IAC DATA POOL (atmos.ethz.ch)

Last Change

2019-10-11

Physical Location

/net/atmos/data/20CRv2c (total size: 262GB)

List of Files

https://data.iac.ethz.ch/atmos/20CRv2c.txt (112 files)

/data/20CRv3

Summary

Reanalyses that span the entire 20th century. Dataset si provided by NOAA. Datasets start in 1901 and is only available until 1980 at the time of writing (01/11/2019). NOAA data has global coverage. Temporal resolution is 3h and spatial resolution varies from 1x1 degrees to ~ 1.875 x 1.875 degrees.

Variables: * 2m temperature * surface solar radiation downwards * total precipitation * 10m winds (u and v component)

Note that only a fraction of the entire datasets was retrieved. 20CRv3 date back further in time. For further reanalyses see also ERA20C, ERA20CM, CERA20C, 20CRv2c.

Contact

Last Change

2019-10-22

Physical Location

/net/atmos/data/20CRv3 (total size: 288GB)

List of Files

https://data.iac.ethz.ch/atmos/20CRv3.txt (82 files)

/data/accmip

Summary

Atmospheric Chemistry and Climate Model Intercomparison Project (ACCMIP). Data was retrieved from the British Centre for Environmental Data Analysis (ftp.ceda.ac.uk/badc/accmip/data)

Contact

Last Change

2018-05-16

Physical Location

/net/co2/c2sm-data/accmip (total size: 3.7TB)

List of Files

https://data.iac.ethz.ch/atmos/accmip.txt (283238 files)

/data/alpine.precip

Summary

Gridded analysis of daily precipitation, extending over the entire Alpine region. The dataset is based on measurements at high-resolution rain-gauge networks, encompassing more than 8500 stations from Austria, Croatia, France, Germany, Italy, Slovenia and Switzerland.

Domain: The European Alps and adjacent flatland regions.
Period: 1971-2008.
Grid: Regular grid in the ETRS89-LAEA coordinate system, grid spacing 5x5 km
Reference: Isotta, F.A. et al. 2014, doi: 10.1002/joc.3794

Contact

Last Change

2014-05-20

Physical Location

/net/atmos/data/alpine.precip (total size: 1.9GB)

List of Files

https://data.iac.ethz.ch/atmos/alpine.precip.txt (458 files)

/data/best

Summary

BEST (Berkeley Earth) gridded monthly surface air temperature datasetfor Land + Ocean Average Temperature with Air Temperatures at Sea Ice (Recommended; 1850 - Recent) Resolution: 1º x 1º Latitude-Longitude Griat

For more information, see README-moreinfo.txt

Contact

Last Change

2018-03-31

Physical Location

/net/atmos/data/best (total size: 414MB)

List of Files

https://data.iac.ethz.ch/atmos/best.txt (3 files)

/data/ccmval

Summary

Chemistry-Climate Model Validation Activity for SPARC (CCMVal). Data was retrieved from the British Centre for Environmental Data Analysis (ftp.ceda.ac.uk/badc/ccmval/data)

Contact

Last Change

2018-05-02

Physical Location

/net/ch4/data/ccmval (total size: 6.3TB)

List of Files

https://data.iac.ethz.ch/atmos/ccmval.txt (28948 files)

/data/CERA20C

Summary

Reanalyses that span the entire 20th century. Dataset is provided by ECMWF. Datasets start in 1901 and end in 2009. ECMWF data has been retrieved for Europe only. Temporal resolution is 3h and spatial resolution varies from 1x1 degrees to ~ 1.875 x 1.875 degrees.

Variables: * surface runoff * total sky direct radiation at the surface * snowmelt * snowfall * 10m winds (u and v component) * 2m temperature * surface solar radiation downwards * total precipitation * 100m wind (u and v component)

Note that only a fraction of the entire datasets was retrieved. ECMWF reanalyses have global coverage and more variables exist. For further reanalyses see also ERA20C, ERA20CM, 20CRv2c, 20CRv3.

Contact

https://ceres.larc.nasa.gov/products.php?product=EBAF-Surface

Last Change

2019-10-16

Physical Location

/net/atmos/data/CERA20C (total size: 121GB)

List of Files

https://data.iac.ethz.ch/atmos/CERA20C.txt (110 files)

/data/CERES

Summary

CERES EBAF monthly radiation data, Ed2.8, 03/2000 - 11/2015. original 1 degree grid and regridded to 2.5x2.5 degrees.

Contact

ruth.lorenz@env.ethz.ch

Links

Last Change

2019-02-21

Physical Location

/net/co2/c2sm-data/Datasets/CERES (total size: 1.4GB)

List of Files

https://data.iac.ethz.ch/atmos/CERES.txt (23 files)

/data/cerra

Summary

European Reanalysis on a 5x5km grid, 3-hourly data. The Copernicus European Regional ReAnalysis (CERRA) datasets provide spatially and temporally consistent historical reconstructions of meteorological variables in the atmosphere and at the surface.

Downloaded data from cds.climate.copernicus.eu via cdsapi as grib, converted to netcdf in "original" folder. "processed" folder contains calculated daily and monthly files.

Variables: 2t: 2 meter temperature skt: skin temperature t: temperature on pressure levels r: relative humidity on pressure levels

Contact

https://cds.climate.copernicus.eu/cdsapp#!/dataset/reanalysis-cerra-single-levels?tab=overview https://cds.climate.copernicus.eu/cdsapp#!/dataset/reanalysis-cerra-pressure-levels?tab=overview

Links

Last Change

2024-12-20

Physical Location

/net/atmos/data/cerra (total size: 38TB)

List of Files

https://data.iac.ethz.ch/atmos/cerra.txt (13151 files)

/data/cerra-land

Summary

European Reanalysis on a 5x5km grid, 3-hourly data. The Copernicus European Regional ReAnalysis Land (CERRA-Land) datasets provide spatially and temporally consistent historical reconstructions of precipitation and surface variables at the surface.

Downloaded data from cds.climate.copernicus.eu via cdsapi as grib, converted to netcdf in "original" folder. "processed" folder contains calculated daily and monthly files.

Variables: snom: snow melt

Contact

https://cds.climate.copernicus.eu/cdsapp#!/dataset/reanalysis-cerra-land?tab=overview

Links

Last Change

2023-07-13

Physical Location

/net/atmos/data/cerra-land (total size: 13TB)

List of Files

https://data.iac.ethz.ch/atmos/cerra-land.txt (1498 files)

/data/CESM-CAM5-BGC-LE

Summary

CESM1 (CAM5) Large Ensemble Community Project: The CESM community is coordinating the production of a large ensemble using a 1-degree version of CESM1(CAM5) (0.9x1.25_gx1v6, IPCC AR5 model). Ensemble members go from 1920 to 2100 using historical forcing (1920-2005) and RCP8.5 forcing (2006-2100). Ensemble spread is generated using round-off differences in the initial atmospheric state.

Contact

erich.fischer@env.ethz.ch

Links

Project homepage: https://www2.cesm.ucar.edu/models/experiments/LENS

Last Change

2021-11-24

Physical Location

/net/ch4/data/CESM-CAM5-BGC-LE (total size: 2.5TB)

List of Files

https://data.iac.ethz.ch/atmos/CESM-CAM5-BGC-LE.txt (5018 files)

/data/CESM2-LE

Summary

CESM2 Large Ensemble (CESM2-LE) consists of 100 members at 1 degree spatial resolution covering the period 1850-2100 under CMIP6 historical and SSP370 future radiative forcing scenarios.

Contact

Last Change

2024-12-18

Physical Location

/net/xenon/climphys/CESM2-LE (total size: 27TB)

List of Files

https://data.iac.ethz.ch/atmos/CESM2-LE.txt (94922 files)

/data/CESM2-SF-LE

Summary

CESM2 Single Forcing Large Ensemble (CESM2-SF-LE): members are initialized from 1850 from the same initial conditions that were used to initialize the "macro" members of the CESM2 Large Ensemble (CESM2-LE) and they extend to 2050, following CMIP6 historical forcings prior to 2015 and SSP3-7.0 forcings, thereafter. Resolution: CESM2 nominal 1° grid

GHG = only greenhouse gases evolving (15 members)
AAER = Only anthropogenic aerosols evolving (20 members)
BMB = Only biomass burning aersols evolving (15 members)
EE = everything else evolving i.e., all forcings other than those that are time evolving in GHG, AAER or BMB are time evolving. Greenhouse gases and anthropogenic and biomass burning aerosols are held fixed (15 members)
xAER = Everything time evolving except anthropogenic aerosols (10 members)

Contact

Jan.Rajczak@meteoswiss.ch Sven.Kotlarski@meteoswiss.ch

Last Change

2024-08-27

Physical Location

/net/ch4/data/CESM2-SF-LE (total size: 3.6TB)

List of Files

https://data.iac.ethz.ch/atmos/CESM2-SF-LE.txt (12817 files)

/data/ch2011

Summary

The Swiss Climate Change Scenarios CH2011 data provides an assessment of how temperature and precipitation may change over the 21st century in Switzerland. The dataset consists of three parts:

Regional scenarios of seasonal means: Climate change scenarios of seasonal mean temperature and precipitation calculated for four seasons, three regions, three scenario periods and three greenhouse gas emission scenarios.

Regional scenarios at daily resolution: Daily scenarios derived from the CH2011 climate scenarios of seasonal means. For each region, each scenario period and each emission scenario, the four seasonal mean changes of the individual projection estimates were transformed into a continuous annual cycle.

Local scenarios at daily resolution: Daily scenarios of temperature and precipitation changes at MeteoSwiss observational station sites for each day of the year, for the three scenario periods and ten individual GCM-RCM model chains. Only the A1B emission scenario is covered

Contact

elias.zubler@env.ethz.ch

Last Change

2011-09-28

Physical Location

/net/atmos/data/ch2011 (total size: 196MB)

List of Files

https://data.iac.ethz.ch/atmos/ch2011.txt (2284 files)

/data/CH2018

Summary

CH2018 climate scenarios. Downscaled datasets (DAILY-GRIDDED and DAILY-LOCAL) from MeteoSwiss.

QMgrid relates to the 2km grid frequently used at MeteoSwiss (climate derpartments gridded obs products).
QMstations relates to a varying (depending on parameter) set of official meteoswiss-stations (bias-corrected climate simulations).

Note: If you do not intend to use the whole model ensemble it is advisable to select a subset of model simulations that makes sense (i.e. covers the whole range of uncertainty provided by the ensemble).

Contact

Last Change

2023-06-08

Physical Location

/net/co2/c2sm-data/CH2018_final (total size: 1022GB)

List of Files

https://data.iac.ethz.ch/atmos/CH2018.txt (1639 files)

/data/CLIVAR_LE

Summary

Daily precipitation datasets with CMIP5-forced large ensembles including models below:

CESM1-CAM5 GFDL-CM3 CanESM2 CSIRO-Mk3-6-0 EC-EARTH

Last Change

2022-04-28

Physical Location

/net/atmos/data/CLIVAR_LE (total size: 1.3TB)

List of Files

https://data.iac.ethz.ch/atmos/CLIVAR_LE.txt (174 files)

/data/cmip2

Summary

Coupled Model Intercomparison Project 2 (CMIP2).

Contact

Links

http://www-pcmdi.llnl.gov/projects/cmip - CMIP project homepage

Last Change

2010-10-25

Physical Location

/net/atmos/data/cmip2 (total size: 3.0GB)

List of Files

https://data.iac.ethz.ch/atmos/cmip2.txt (526 files)

/data/cmip3

Summary

Coupled Model Intercomparison Project 3 (CMIP3) multi-model dataset also known as the "World Climate Research Programme (WCRP) CMIP3 multi-model dataset." Climate model output from simulations of the past, present and future climate. Data was used for Fourth Asssessment Report (AR4) of the Intergovernmental Panel on Climate Change (IPCC).

Contact

Links

http://cmip-pcmdi.llnl.gov/cmip3_overview.html - CMIP3 project homepage

Last Change

2016-12-21

Physical Location

/net/atmos/data/cmip3 (total size: 6.1TB)

List of Files

https://data.iac.ethz.ch/atmos/cmip3.txt (42093 files)

/data/cmip3-ng

Summary

The CMIP3 Next Generation database is an attempt to homogenize some of the original CMIP3 output to be used without bothering about technical issues.

Right now there are several variables which are available:

tas -- surface air temperature
tasmax -- maximum surface air temperature
tasmin -- minimum surface air temperature
pr -- total precipitation
psl -- atmospheric pressure
hfls -- surface upward latent heat flux

For different scenarios:

sresb1
sresa1b
sresa2
picntrl

We provide the data in three different temporal resolutions:

mon -- monthly
ann -- annually
sea -- seasonally, i.e., all possible three-month triplets - DJF,JFM,MAM,...,OND

and in two different spatial resolutions:

native -- in the native grid format the data was provided to the CMIP5 database
g025 -- bilinear interpolation to a 2.5 x 2.5 degree grid

The naming convention is as follow:

Example: tas_ann_cccma-cgcm3-1_sresb1_run1_native.nc

'variable name'_'temporal resolution'_'model'_'scenario'_'ensemble'_'spatial resolution'.nc

Using 'ncdump -h file.nc' provides some additional information:

source_model -- the name of the model
source_ensemble -- the ensemble
source_experiment -- the scenarios used to generate the file
source_institution -- the name of the institute which carried out the original simulations
source_contact -- contact information of the institution which carried out the original simulations
source_files -- name of all the files which where included to generate the concatenated file
source_md5 -- md5 sums of all the files which where included to generate the concatenated file
freq -- temporal resolution
interpolation_grid -- spatial grid
contact -- our contact for questions and reporting mistakes
modifications -- modification done in the homogenization process

Contact

Last Change

2019-03-27

Physical Location

/net/atmos/data/cmip3-ng (total size: 492GB)

List of Files

https://data.iac.ethz.ch/atmos/cmip3-ng.txt (4856 files)

/data/cmip5

Summary

Standardized global simulation with coupled atmosphere-ocean general circulation models (AOGCMs), including simulations for assessment in the IPCC AR5 report. Large range of experiments, including historical, control and future scenario simulations, decadal hind- and forecast etc. A complete list of files can be found in the file filelist.txt

Contact

Last Change

2023-02-26

Physical Location

/net/ch4/data/cmip5 (total size: 130TB)

List of Files

https://data.iac.ethz.ch/atmos/cmip5.txt (693303 files)

/data/cmip5-ar5-wg1

Summary

CMIP5 data used for AR5 WG1 assessment. Snapshot of 2013-03-15. Standardized global simulation with coupled atmosphere-ocean general circulation models (AOGCMs), including simulations for assessment in the IPCC AR5 report. Large range of experiments, including historical, control and future scenario simulations, decadal hind- and forecast etc.

Contact

Jan.Sedlacek@env.ethz.ch cmip5-archive@env.ethz.ch

Last Change

2013-04-09

Physical Location

/net/ch4/data/cmip5-ar5-wg1 (total size: 103TB)

List of Files

https://data.iac.ethz.ch/atmos/cmip5-ar5-wg1.txt (508699 files)

/data/cmip5-ng

Summary

The CMIP5 Next Generation database is an attempt to homogenize some of the original CMIP5 output to be used without bothering about technical issues.

Right now there are several variables which are available:

tas -- surface air temperature
tasmax -- maximum surface air temperature
tasmin -- minimum surface air temperature
clt -- total cloud cover
evspsbl -- evaporation
rsds -- downward shortwave radiation at the surface
rsus -- upward shortwave radiation at the surface
rsut -- upward shortwave radiation at the top of the atmosphere
rtmt -- net radiation at top of the model
rlds -- downward longwave radiation at the surface
rlut -- upward longwave radiation at the top of the atmosphere
rltucs -- outgoing clear-sky longwave radiation at the top of the atmosphere
rlus -- upward longwave radiation at the surface
hfls -- upward latent heat flux at the surface
hfss -- upward sensible heat flux at the surface
pr -- total precipitation
psl -- atmospheric pressure

sos -- ocean surface salinity
tos -- ocean surface temperature

sic -- sea-ice concentration
sit -- sea-ice thickness
snd -- snow depth

mrro -- total runoff
mrros -- surface runoff
mrso -- total soil moisture content
mrsos -- moisture in the upper part of the soil column

gpp -- carbon mass flux out of atmosphere due to gross primary production on land
nbp -- carbon mass flux out of atmosphere due to net biospheric production on land
npp -- carbon mass flux out of atmosphere due to net primary production on land
ra -- carbon mass flux into atmosphere due to autotrophic (plant) respiration on land
rh -- carbon mass flux into atmosphere due to heterotrophic respiration on land
lai -- leaf area index

etc...

For different scenarios:

rcp26
rcp45
rcp60
rcp85
piControl
abrupt4xCO2
historicalNat
historicalGHG
1pctCO2

We provide the data in three different temporal resolutions:

day -- daily
mon -- monthly
ann -- annually
sea -- seasonally, i.e., all possible three-month triplets - DJF,JFM,MAM,...,NDJ

and in two different spatial resolutions:

native -- in the native grid format the data was provided to the CMIP5 database
g025 -- bilinear interpolation to a 2.5 x 2.5 degree grid

The naming convention is as follow:

Example: tas_ann_CanESM2_rcp26_r1i1p1_g025.nc

'variable name'_'temporal resolution'_'model'_'scenario'_'ensemble'_'spatial resolution'.nc

Using 'ncdump -h file.nc' provides some additional information:

source_model -- the name of the model
source_ensemble -- the ensemble
source_experiment -- the scenarios used to generate the file
source_institution -- the name of the institute which carried out the original simulations
source_contact -- contact information of the institution which carried out the original simulations
source_files -- name of all the files which where included to generate the concatenated file
source_md5 -- md5 sums of all the files which where included to generate the concatenated file
freq -- temporal resolution
interpolation_grid -- spatial grid
contact -- our contact for questions and reporting mistakes
modifications -- modification done in the homogenization process

Contact

Last Change

2019-09-09

Physical Location

/net/atmos/data/cmip5-ng (total size: 33TB)

List of Files

https://data.iac.ethz.ch/atmos/cmip5-ng.txt (112883 files)

/data/cmip5_25x25

Summary

In this folder you will find the interpolated fileds of CMIP5. The interpolation is done on a 2.5x2.5 grid with cdo PLEASE NOTE: Last update of this folder was done 2014-08-12. Use instead data provided in folder cmip5-ng !

gridtype = lonlat xsize = 144 ysize = 72 xfirst = 1.25 xinc = 2.5 yfirst = -88.75 yinc = 2.5

Contact

Last Change

2014-08-12

Physical Location

/net/ch4/data/cmip5_25x25 (total size: 7.0TB)

List of Files

https://data.iac.ethz.ch/atmos/cmip5_25x25.txt (46894 files)

/data/cmip5_25x25-ar5-wg1

Summary

Snapshot used for WGI AR5 ! In this folder you will find the interpolated fileds of CMIP5. The interpolation is done on a 2.5x2.5 grid with cdo

gridtype = lonlat xsize = 144 ysize = 72 xfirst = 1.25 xinc = 2.5 yfirst = -88.75 yinc = 2.5

Contact

Last Change

2014-08-12

Physical Location

/net/ch4/data/cmip5_25x25-ar5-wg1 (total size: 6.9TB)

List of Files

https://data.iac.ethz.ch/atmos/cmip5_25x25-ar5-wg1.txt (45858 files)

/data/cmip5_T42

Summary

In this folder you will find the interpolated fileds of CMIP5. The interpolation is done on a T42 grid with cdo

Contact

Last Change

2013-01-07

Physical Location

/net/ch4/data/cmip5_T42 (total size: 3.0TB)

List of Files

https://data.iac.ethz.ch/atmos/cmip5_T42.txt (27764 files)

/data/cmip6

Summary

WCRP Coupled Model Intercomparison Project (Phase 6): Standardized global simulation with coupled GCMs. Large range of experiments, including historical, control and future scenario simulations, etc.

The archive contains:

README.txt and README-rsync.txt
data files in netcdf format (only the latest version is stored)
hidden *.info files (text file containing info (creation date, checksum, version, etc.) for each netcdf file)
filelist.txt (current list of data files)
files_possibly_withdrawn.txt (list of files that are possibly withdrawn, i.e. no longer found in the ESGF catalogue)
files_deleted.txt (list of files that have been removed from the archive)
filelists (folder containing past lists of data files at a specific date)
CMIP6_MIP_tables.xlsx (variables names, description, priority, units, etc.): https://iacweb.ethz.ch/staff/beyerleu/cmip6/CMIP6_MIP_tables.xlsx

Contact

Last Change

2024-12-20

Physical Location

/net/atmos/data/cmip6 (total size: 606TB)

List of Files

https://data.iac.ethz.ch/atmos/cmip6.txt (12223324 files)

/data/cmip6-ESGF

Summary

CMIP6 data downloaded from ESGF. It's not recommended to use this data here. Use /data/cmip6 instead.

Contact

ruth.lorenz@c2sm.ethz.ch cmip6-archive@env.ethz.ch

Last Change

2024-12-20

Physical Location

/net/atmos/data/cmip6-ESGF (total size: 608TB)

List of Files

https://data.iac.ethz.ch/atmos/cmip6-ESGF.txt (8170821 files)

/data/cmip6-ng

Summary

The CMIP6 Next Generation database is an attempt to homogenize some of the original CMIP6 output to be used without bothering about technical issues.

We provide the data in three different temporal resolutions:

day -- daily
mon -- monthly
ann -- annually

and in two different spatial resolutions:

native -- in the native grid format the data was provided to the CMIP6 database
g025 -- conservative remapping to a 2.5 x 2.5 degree grid (cdo remapcon2). Please note the [Additional information] section below

Contact

Last Change

2024-12-14

Physical Location

/net/ch4/data/cmip6-Next_Generation (total size: 202TB)

List of Files

https://data.iac.ethz.ch/atmos/cmip6-ng.txt (665448 files)

/data/cordex

Summary

The Coordinated Regional Climate Downscaling Experiment (CORDEX) comprises a set of coupled GCM-RCM simulations for about 13 regions of the world on a 0.5° grid. Some regions are covered with 0.25° or 0.11° grids. Scenarios include historical runs for the period 1950-2005, RCP4.5 and RCP8.5 scenario runs for the period 2006-2100, and decadal hindcasts for the three periods 1980-2010, 1990-2000, and 2005-2035. Available are daily data and monthly and seasonal means.

tas: Near-Surface Air Temperature
tasmax: Daily-Maximum Near-Surface Air Temperature
tasmin: Daily-Minimum Near-Surface Air Temperature
pr: Precipitation
ps: Surface Pressure
psl: Mean Sea Level Pressure
hurs: Near-Surface Relativ Humidity
clt: Total Cloud Cover
sund: Sunshine Hours (duration when surface solar radiation flux exceeds 120 W/m2)
rsds: Surface Downwelling Shortwave Radiation
rlds: Surface Downwelling Longwave Radiation
hfls: Surface Latent Heat Flux
hfss: Surface Sensible Heat Flux
rsus: Upwelling Surface Shortwave Radiation
rlus: Upwelling Longwave radiation
evspsbl: Surface Evaporation
evspsblpot: Potential Evapotranspiration
mrro: Total Runoff
mrso: Total Soil Moisture Content
snw: Surface Snow Amount
prhmax: Maximum 1-hour Precipitation Rate within 24 hour period
prc: Convective Precipitation
rlut: TOA Outgoing Longwave Radiation
rsdt: TOA Incident Shortwave Radiation
rsut: TOA Outgoing Shortwave Radiation
uas: Eastward Near-Surface Wind
vas: Northward Near-Surface Wind
ts: Surface (Skin) Temperature
ua850: Zonal (eastward) Wind at 850 hPa
va850: Meridional (northward) Wind at 850 hPa
ta850: Temperature at 850 hPa
hus850: Specific Humidity at 850 hPa
ua500: Zonal (eastward) Wind at 500 hPa
va500: Meridional (northward) Wind at 500 hPa
zg500: Geopotential Height at 500 hPa
ta500: Temperature at 500 hPa
ta200: Temperature at 200 hPa
snc: Snow Area Fraction
snd: Snow Depth
prsn: Snowfall Flux
areacella: Atmosphere Grid-Cell Area
orog: Surface Altitude
sftlf: Land Area Fraction

Register to cordex@sympa.ethz.ch mailing list to keep up-to-date, for more info see https://wiki.iac.ethz.ch/IAC/MailingListCordex

Contact

Last Change

2024-09-16

Physical Location

/net/oxygen/data/cordex (total size: 368TB)

List of Files

https://data.iac.ethz.ch/atmos/cordex.txt (798753 files)

/data/cordex-reklies

Summary

CORDEX-ReKliEs: Regionale Klimaprojektionen Ensemble

tas: Near-Surface Air Temperature
tasmax: Daily-Maximum Near-Surface Air Temperature
tasmin: Daily-Minimum Near-Surface Air Temperature
pr: Precipitation
ps: Surface Pressure
psl: Mean Sea Level Pressure
hurs: Near-Surface Relativ Humidity
clt: Total Cloud Cover
sund: Sunshine Hours (duration when surface solar radiation flux exceeds 120 W/m2)
rsds: Surface Downwelling Shortwave Radiation
rlds: Surface Downwelling Longwave Radiation
hfls: Surface Latent Heat Flux
hfss: Surface Sensible Heat Flux
rsus: Upwelling Surface Shortwave Radiation
rlus: Upwelling Longwave radiation
evspsbl: Surface Evaporation
evspsblpot: Potential Evapotranspiration
mrro: Total Runoff
mrso: Total Soil Moisture Content
snw: Surface Snow Amount
prhmax: Maximum 1-hour Precipitation Rate within 24 hour period
prc: Convective Precipitation
rlut: TOA Outgoing Longwave Radiation
rsdt: TOA Incident Shortwave Radiation
rsut: TOA Outgoing Shortwave Radiation
uas: Eastward Near-Surface Wind
vas: Northward Near-Surface Wind
ts: Surface (Skin) Temperature
ua850: Zonal (eastward) Wind at 850 hPa
va850: Meridional (northward) Wind at 850 hPa
ta850: Temperature at 850 hPa
hus850: Specific Humidity at 850 hPa
ua500: Zonal (eastward) Wind at 500 hPa
va500: Meridional (northward) Wind at 500 hPa
zg500: Geopotential Height at 500 hPa
ta500: Temperature at 500 hPa
ta200: Temperature at 200 hPa
snc: Snow Area Fraction
snd: Snow Depth
prsn: Snowfall Flux
areacella: Atmosphere Grid-Cell Area
orog: Surface Altitude
sftlf: Land Area Fraction

Register to cordex@sympa.ethz.ch mailing list to keep up-to-date, for more info see https://wiki.iac.ethz.ch/IAC/MailingListCordex

Contact

Last Change

2024-09-16

Physical Location

/net/oxygen/data/cordex-reklies (total size: 23TB)

List of Files

https://data.iac.ethz.ch/atmos/cordex-reklies.txt (94985 files)

/data/cordex.ch2018-freeze-2.0

Summary

This is the readme file for the CH2018 CORDEX freeze 2.0. This freeze is outdated, the data used for CH2018 are in freeze 2.1.

For the full documentation see the file Modeldataset-freeze-2.0.pdf.

Last Change

2019-03-19

Physical Location

/net/ch4/data/cordex.ch2018-freeze-2.0 (total size: 9.8TB)

List of Files

https://data.iac.ethz.ch/atmos/cordex.ch2018-freeze-2.0.txt (1905 files)

/data/cordex.ch2018-freeze-2.1

Summary

This is the readme file for the CH2018 CORDEX freeze 2.1. Freeze 2.1 is the productive data set used for the CH2018 Technical Report. It is identical to freeze 2.0 except for the removal of the RCM runs driven with the GCM CNRM, which have been excluded from the CH2018 multimodel analysis.

For the full documentation see the file Modeldataset-freeze-2.1.pdf.

Last Change

2019-03-19

Physical Location

/net/ch4/data/cordex.ch2018-freeze-2.1 (total size: 8.0TB)

List of Files

https://data.iac.ethz.ch/atmos/cordex.ch2018-freeze-2.1.txt (1757 files)

/data/cordex.ch2018-freeze-3.0

Summary

This is the readme file for the CH2025 CORDEX data. This is not a freeze, it contains simulations that have not been used for CH2018 and are newer than those in freeze 2.1. Freeze 2.1 contains the data used in CH2018.

The preprocessing for cordex.ch2025 contains 3 steps. 1. Stitching together historical and rcps to continuous time series from 1971-2099 (outcome are files ending with *_CH202X.nc) 2. Regridding to EUR-11/EUR-44 grids for a few models where this is necessary (e.g. CNRM, RMIB, ICTP, MPI-CSC, UHOH-WRF) 3. Forcing the grid definition to be identical (cdo setgrid) adding metadata for MCH (e.g. ncks -A -v lon,lat in ncatted -O -a coordinates,,o,c,"lon lat") (files ending in *_CH202X_grid.nc)

Other things to be aware of: - Inconsistent names of rotated lat,lons either x,y or rlon,rlat - MOHC model named lat,lon latitude,longitude - list with other notes about model runs here: https://www.polybox.ethz.ch/index.php/s/RQQrUnRPlg86Apx

Contact

Last Change

2019-04-03

Physical Location

/net/ch4/data/cordex.ch2018-freeze-3.0 (total size: 11TB)

List of Files

https://data.iac.ethz.ch/atmos/cordex.ch2018-freeze-3.0.txt (1851 files)

/data/cordex.ch2025

Summary

Contact

michael.sprenger@env.ethz.ch

Last Change

2024-12-08

Physical Location

/net/ch4/data/cordex.ch2025 (total size: 108TB)

List of Files

https://data.iac.ethz.ch/atmos/cordex.ch2025.txt (7762 files)

/data/cosmo.analysis

Summary

ring storage with COSMO-1 analysis from MeteoSwiss covering at least 1 monthy of hourly data

Contact

Last Change

2024-09-09

Physical Location

/net/litho/atmosdyn2/cosmo.analysis (total size: 535GB)

List of Files

https://data.iac.ethz.ch/atmos/cosmo.analysis.txt (105 files)

/data/cowtan_way

Summary

Cowtan and Way monthly gridded global surface air temperature anomalies. HadCRUT4 data spatially infilled with the Krieging method.

Contact

Last Change

2018-03-29

Physical Location

/net/atmos/data/cowtan_way (total size: 20MB)

List of Files

https://data.iac.ethz.ch/atmos/cowtan_way.txt (2 files)

/data/cpc

Summary

An hourly precipitation dataset obtained from a formal statistical combination of simultaneous radar and rain-gauge measurements. The archived data is from 2005 on. Aggregation of CPC over one day does not replicate RhiresD.

Contact

martin.hirschi@env.ethz.ch

Last Change

2024-12-09

Physical Location

/net/helium/data/iacmeteo/archive/cpc (total size: 540GB)

List of Files

https://data.iac.ethz.ch/atmos/cpc.txt (289621 files)

/data/dem.mona100

Summary

Digital elevation model MONA100

Contact

Michael Sprenger (michael.sprenger@env.ethz.ch)

Last Change

2017-04-05

Physical Location

/net/tropo/atmosdyn/dyn_soft/datasets/dem.mona100 (total size: 4.9GB)

List of Files

https://data.iac.ethz.ch/atmos/dem.mona100.txt (46 files)

/data/dem.swisstopo25

Summary

Matrix data for SwissTopo 25

Contact

Michael Sprenger (michael.sprenger@env.ethz.ch)

Last Change

2017-05-16

Physical Location

/net/tropo/atmosdyn/dyn_soft/datasets/dem.swisstopo25 (total size: 17GB)

List of Files

https://data.iac.ethz.ch/atmos/dem.swisstopo25.txt (1732 files)

/data/E-OBS

Summary

ENSEMBLES daily gridded observational dataset for precipitation, temperature and sea level pressure in Europe (E-OBS), starting from version 7. Please register on https://www.ecad.eu/download/ensembles/ensembles.php prior to using this dataset!

Contact

Links

https://www.ecad.eu/download/ensembles/ensembles.php https://www.ecad.eu/download/ensembles/Haylock_et_al_2008.pdf https://www.ecad.eu/documents/besselaar_slp.pdf

Last Change

2024-11-09

Physical Location

/net/exo/landclim/data/dataset/E-OBS (total size: 1020GB)

List of Files

https://data.iac.ethz.ch/atmos/E-OBS.txt (1125 files)

/data/E-OBS-ensemble

Summary

ENSEMBLES daily gridded observational dataset for precipitation, temperature and sea level pressure in Europe (E-OBS). This data is the full ensemble (100 members), which is the base of the data found under /data/E-OBS, and contains daily mean temperature TG, daily minimum temperature TN, daily maximum temperature TX, daily precipitation sum RR and daily averaged sea level pressure PP. The original data is on a 0.1 degree regular grid. The data covers the area 25N-71.5N x 25W-45E In addition a regridded CMIP-ng like version on a 2.5 degree grid is available in the folder *_g025. This covers the entire globe, with missing values filled with nan. In addition it re-organises the file structure from annual files with all ensemble members to individual files per member for all time steps. Variable are renamed to the CMIP standard. Please register on https://www.ecad.eu/download/ensembles/ensembles.php prior to using this dataset!

Contact

urs.beyerle@env.ethz.ch lukas.brunner@env.ethz.ch (for regridded CMIP-ng like version)

Links

http://surfobs.climate.copernicus.eu/dataaccess/access_eobs.php#datafiles

Last Change

2020-07-09

Physical Location

/net/ch4/data/E-OBS-ensemble (total size: 2.0TB)

List of Files

https://data.iac.ethz.ch/atmos/E-OBS-ensemble.txt (851 files)

/data/ec.analysis

Summary

operational ECMWF analysis.

Contact

Michael Sprenger (michael.sprenger@env.ethz.ch)

Last Change

2024-12-20

Physical Location

/net/litho/atmosdyn/ec.analysis (total size: 543GB)

List of Files

https://data.iac.ethz.ch/atmos/ec.analysis.txt (5379 files)

/data/emissions_biomassburningCMIP6

Summary

Open biomass burning emissions (forests, grasslands, agricultural waste burning on fields, peatlands) for use in CMIP6 simulations. Monthly mean over the period 1750-2015 in 0.25 deg resolution. The following emission species are available: aerosol (BC,OC) and aerosol precursor and reactive compounds (SO2, N2O, NOx, NH3, CH4, CO, NMVOC, H2) over the period 1750-2015. Depending on the time period, the data are based either on combination of FIRE-MIP model output or visibility records ((1750-1996), or on Global Fire Emissions Database (GFED) version 4s (1997-2015).

Contact

colombe.siegenthaler@env.ethz.ch

Last Change

2017-09-07

Physical Location

/net/co2/echam_data/echam_input_original/emissions/biomass_CMIP6_jens/v12 (total size: 171GB)

List of Files

https://data.iac.ethz.ch/atmos/emissions_biomassburningCMIP6.txt (71 files)

/data/emissions_CEDS

Summary

CEDS (Community Emissions Data System) for historical emissions dataset. Monthly mean global emissions from anthropogenic sectors over the period 1750 to 2014 in 0.5 deg resolution. Data were downloaded from the below linked ftp-server.

Contact

colombe.siegenthaler@env.ethz.ch

Last Change

2019-05-14

Physical Location

/net/co2/echam_data/echam_input_original/emissions/CEDS (total size: 107GB)

List of Files

https://data.iac.ethz.ch/atmos/emissions_CEDS.txt (413 files)

/data/emissions_input_accmip

Summary

ACCMIP (Atmospheric Chemistry and Climate Model Intercomparison Project) and RCP emissions dataset. Monthly mean global emissions from 10 anthropogenic sectors and 2 biomass burning categories over the period 1850 to 2100. Data were downloaded from the below linked ftp-server.

Contact

colombe.siegenthaler@env.ethz.ch

Last Change

2019-11-21

Physical Location

/net/co2/echam_data/echam_input_original/emissions/accmip_zippped (total size: 288GB)

List of Files

https://data.iac.ethz.ch/atmos/emissions_input_accmip.txt (69381 files)

/data/ENSEMBLES-RCM

Summary

Multi-model ensemble regional climate simulations for Europe with 50 km and 25 km resolution. Transient simulations covering the time period 1950 to 2100.

Contact

elias.zubler@env.ethz.ch

Links

http://ensemblesrt3.dmi.dk/ - Dataset homepage

Last Change

2015-06-01

Physical Location

/net/ch4/data/ENSEMBLES-RCM (total size: 3.3TB)

List of Files

https://data.iac.ethz.ch/atmos/ENSEMBLES-RCM.txt (8198 files)

/data/ERA20C

Summary

Note that only a fraction of the entire datasets was retrieved. ECMWF reanalyses have global coverage and more variables exist. For further reanalyses see also ERA20CM, CERA20C, 20CRv2c, 20CRv3.

Contact

Last Change

2019-09-24

Physical Location

/net/atmos/data/ERA20C (total size: 13GB)

List of Files

https://data.iac.ethz.ch/atmos/ERA20C.txt (110 files)

/data/ERA20CM

Summary

Reanalyses that span the entire 20th century. Dataset is provided by ECMWF. Dataset starts in 1901 and end in 2009. ECMWF data has been retrieved for Europe only. Temporal resolution is 3h and spatial resolution varies from 1x1 degrees to ~ 1.875 x 1.875 degrees.

Variables: * surface runoff * surface solar radiation downwards * total precipitation * 10m winds (u and v component) * 2m temperature

Note that only a fraction of the entire datasets was retrieved. ECMWF reanalyses have global coverage and more variables exist. For further reanalyses see also ERA20C, CERA20C, 20CRv2c, 20CRv3.

Contact

michael.sprenger@env.ethz.ch

Last Change

2019-10-24

Physical Location

/net/atmos/data/ERA20CM (total size: 65GB)

List of Files

https://data.iac.ethz.ch/atmos/ERA20CM.txt (108 files)

/data/era5

Summary

ERA5 data set in netCDF format from 1940 until 2023.

B-files: PS, MSL, TCC, U10M, V10M, SSTK
H-files @plev: Z
P-files @lev: LSP, CP, SF, SSHF, SLHF, BLH, Q, T, OMEGA, LWC, IWC, RWC, SWC, U, V, PS
Z-files @plev: Z, T, Q, U, U, V
S-files @lev: TH, PV, RH, THE, PS

Contact

Links

https://www.ecmwf.int/en/forecasts/datasets/reanalysis-datasets/era5

Last Change

2024-09-28

Physical Location

/net/thermo/atmosdyn2/era5/cdf (total size: 407TB)

List of Files

https://data.iac.ethz.ch/atmos/era5.txt (4457665 files)

/data/ERA5-Land

Summary

ERA5-Land reanalysis data downloaded from the Copernicus Climate Data Store.

If using the data, you have to accept to the terms and conditions provided on the following website: http://apps.ecmwf.int/datasets/licences/copernicus/

For the list of variable names see https://confluence.ecmwf.int/display/CKB/ERA5-Land%3A+data+documentation#ERA5-Land:datadocumentation-parameterlistingParameterlistings (note that the short name of 2-m air temperature is "t2m" and not "2t" as indicated in this table)

For an overview on the interpretation and conversions of accumulated variables see https://confluence.ecmwf.int/pages/viewpage.action?pageId=197702790

Contact

Martin Hirschi

Links

Hourly data source url: https://cds.climate.copernicus.eu/cdsapp#!/dataset/reanalysis-era5-land?tab=overview

Monthly data source url: https://cds.climate.copernicus.eu/cdsapp#!/dataset/reanalysis-era5-land-monthly-means?tab=overview

Last Change

2024-12-21

Physical Location

/net/exo/landclim/data/dataset/ERA5-Land (total size: 24TB)

List of Files

https://data.iac.ethz.ch/atmos/ERA5-Land.txt (20989 files)

/data/era5-land_cds

Summary

ERA5-Land hourly data from 1950 to present, ERA5-Land is a reanalysis dataset providing a consistent view of the evolution of land variables over several decades at an enhanced resolution compared to ERA5. ERA5-Land has been produced by replaying the land component of the ECMWF ERA5 climate reanalysis. Native resolution is 0.1° x 0.1 (9km), regular latitude-longitude grid.

Contact

https://cds.climate.copernicus.eu/cdsapp#!/dataset/reanalysis-era5-land?tab=overview

Links

Last Change

2024-03-27

Physical Location

/net/atmos/data/era5-land_cds (total size: 105TB)

List of Files

https://data.iac.ethz.ch/atmos/era5-land_cds.txt (34384 files)

/data/era5_cds

Summary

ERA5 is the fifth generation ECMWF reanalysis for the global climate and weather for the past 8 decades. Data is available from 1940 onwards. ERA5 replaces the ERA-Interim reanalysis.

Reanalysis combines model data with observations from across the world into a globally complete and consistent dataset using the laws of physics. This principle, called data assimilation, is based on the method used by numerical weather prediction centres, where every so many hours (12 hours at ECMWF) a previous forecast is combined with newly available observations in an optimal way to produce a new best estimate of the state of the atmosphere, called analysis, from which an updated, improved forecast is issued. Reanalysis works in the same way, but at reduced resolution to allow for the provision of a dataset spanning back several decades.

There are different versions of processed data: v1 comes from CDS, hourly data were aggregated to daily and monthly averages, sums, maximuma, minima depending on variable. v2 comes from DKRZ (most variables, daily data downloaded directly except geopotential where geopotential height was calculated from hourly values and then averaged to daily) AND CDS (cbh not available at DKRZ, hourly data downloaded, averaged to daily and monthly). In addition variable names and units were standardized to CMIP, some variables which did not exist in ERA5 but in CMIP were calculated. ATTENTION: error in clt, data is in unit fraction (0-1) as originally in ERA5 NOT % and only for 1980-2023 v3 error fixed in clt, now in % as meant to be in CMIP

Contact

https://cds.climate.copernicus.eu/cdsapp#!/dataset/reanalysis-era5-single-levels-monthly-means?tab=overview https://cds.climate.copernicus.eu/cdsapp#!/dataset/reanalysis-era5-single-levels?tab=overview

Links

Last Change

2024-12-18

Physical Location

/net/atmos/data/era5_cds (total size: 91TB)

List of Files

https://data.iac.ethz.ch/atmos/era5_cds.txt (236812 files)

/data/ERA5_deterministic

Summary

ERA5 reanalysis data downloaded from the Copernicus Climate Data Store.

If using the data, you have to accept to the terms and conditions provided on the following website: http://apps.ecmwf.int/datasets/licences/copernicus/

For the list of variable names see https://confluence.ecmwf.int/display/CKB/ERA5%3A+data+documentation#ERA5:datadocumentation-Parameterlistings (note that the short name of 2-m air temperature is "t2m" and not "2t" as indicated in this table)

For an overview on the interpretation and conversions of accumulated variables see https://confluence.ecmwf.int/pages/viewpage.action?pageId=197702790

Contact

Martin Hirschi

Links

Hourly data source url: https://cds.climate.copernicus.eu/cdsapp#!/dataset/reanalysis-era5-single-levels?tab=overview

Monthly data source url: https://cds.climate.copernicus.eu/cdsapp#!/dataset/reanalysis-era5-single-levels-monthly-means?tab=overview

Last Change

2024-12-13

Physical Location

/net/exo/landclim/data/dataset/ERA5_deterministic (total size: 42TB)

List of Files

https://data.iac.ethz.ch/atmos/ERA5_deterministic.txt (36517 files)

/data/erainterim

Summary

ERA-Interim data set in Grib and in netCDF format from 1979 until 2011. Ozone and PBL data can be found in the folders o3 and pbl.

Contact

michael.sprenger@env.ethz.ch

Links

http://www.ecmwf.int/research/era/do/get/era-interim http://onlinelibrary.wiley.com/doi/10.1002/qj.828/full

Last Change

2024-01-22

Physical Location

/net/litho/atmosdyn/erainterim (total size: 12TB)

List of Files

https://data.iac.ethz.ch/atmos/erainterim.txt (5203510 files)

/data/erainterim.monmean

Summary

ERA-interim monthly means for period 1979-01 until 2014-12

Note the following: - monthly means have been computed from 6hourly output - files start with B, G, P, Z and R.nc, where

B U10M, V10M, TD2M, T2M, SKT (note: B201111.nc and B201112.nc only contain SKT for unknown reasons)

G G10M, T2MAX, T2MIN ("extreme" entities)

R LSP, CP, RTOT, SF, SSHF, SLHF (precip quantities)

Z Z, T, Q, U, V (data on pressure levels - 11 levels)

P Q, LWC, IWC, T, U, V, OMEGA, PS, SLP (most data on model levels - 60 levels, except PS and SLP)

The grid is a 1x1 degree regular lat-lon-grid. If you need a climatology from the data, you may use the contact above. Some multi-year mean climatologies have been pre-computed or can be very quickly generated.

Contact

elias.zubler@env.ethz.ch

Last Change

2015-09-03

Physical Location

/net/atmos/data/erainterim.monmean (total size: 52GB)

List of Files

https://data.iac.ethz.ch/atmos/erainterim.monmean.txt (2161 files)

/data/EURO4M-APGD

Summary

Alpine Precipitation Grid Dataset (EURO4M-APGD). The dataset is based on measurements at high-resolution rain-gauge networks, encompassing more than 8500 stations from Austria, Croatia, France, Germany, Italy, Slovenia and Switzerland. Period: Jan.-Dec., 1971-2008, regular grid in the ETRS89-LAEA coordinate system, grid spacing 5x5 km

Contact

Last Change

2021-08-30

Physical Location

/net/atmos/data/EURO4M-APGD (total size: 2.5GB)

List of Files

https://data.iac.ethz.ch/atmos/EURO4M-APGD.txt (462 files)

/data/GeoMIP

Summary

The Geoengineering Model Intercomparison Project: Climate model simulations with various geoengineering scenarios.

Contact

Last Change

2014-09-29

Physical Location

/net/ch4/data/GeoMIP (total size: 1.4TB)

List of Files

https://data.iac.ethz.ch/atmos/GeoMIP.txt (3518 files)

/data/gistemp

Summary

GISTEMP - GISS (Goddard Institute for Space Studies) combined SST/air temperature analysis for the globe that uses NOAA's ERSST V5 on Oct 25 2017.

Temporal Coverage: Monthly anomalies 1880/01 to present (NASA uses 1951-1980 base period). Spatial Coverage (1200 km smoothed): 2.0 degree latitude x 2.0 degree longitude global grid (360x180). 89.0N - 80.0S, 1.0E - 359.5E.

For more information, see README-moreinfo.txt

Contact

Last Change

2018-03-31

Physical Location

/net/atmos/data/gistemp (total size: 133MB)

List of Files

https://data.iac.ethz.ch/atmos/gistemp.txt (3 files)

/data/hadcrut4

Summary

HadCRUT4 (Hadley Centre SSTv3 + Climate Research Unit air temperature v4 over land) gridded monthly surface tempearture anomalies for the globe.

Contact

Last Change

2018-03-29

Physical Location

/net/atmos/data/hadcrut4 (total size: 21MB)

List of Files

https://data.iac.ethz.ch/atmos/hadcrut4.txt (2 files)

/data/HadGHCND

Summary

Met Office Hadley Centre observations dataset containing maximum and minimum daily temperature. Raw data downloaded from link below are in "raw" Daily concatenated Data (and some minor metadata changes such as reference time) in "daily" Monthly means in "monthly"

Contact

ruth.lorenz@env.ethz.ch

Last Change

2016-08-19

Physical Location

/net/co2/c2sm-data/Datasets/HadGHCND (total size: 7.6GB)

List of Files

https://data.iac.ethz.ch/atmos/HadGHCND.txt (35 files)

/data/happi

Summary

Standardized global simulation with coupled atmosphere-ocean general circulation models. Data from the HAPPI MIP project (Half a degree Additional warming, Prognosis and Projected Impacts)

Contact

Last Change

2017-10-10

Physical Location

/net/atmos/data/happi (total size: 4.5TB)

List of Files

https://data.iac.ethz.ch/atmos/happi.txt (29920 files)

/data/input4MIPs

Summary

input4MIPS (input datasets for Model Intercomparison Projects) is an activity to make available via ESGF the boundary condition and forcing datasets needed for CMIP6.

Contact

bernat.jimenez@env.ethz.ch

Last Change

2018-01-18

Physical Location

/net/atmos/data/input4MIPs (total size: 261MB)

List of Files

https://data.iac.ethz.ch/atmos/input4MIPs.txt (3 files)

/data/JRA-55

Summary

The Japanese 55-year (JRA-55) renalaysis. Dowloaded period: 1959-2020 Horizontal resolution: 1.25x1.25deg

3D fields (time, plev, lat, lon): z (geopotential height), u (horizontal winds), v (meridional winds), t (temperature).
2D fields (time, lat, lon): precip (total precipitation, not assimilated), msl (mean sea level pressure).
Computed fields (use at your own risk): q (quasi-geostrophic potential vorticity), vr (vorticity), vt(zonal eddy poleward heat flux)

Daily mean and monthly mean files are located inside each variable folder. Instantaneous 3-hourly values are available for precipitaion and 6-horuly values for z.

Contact

Links

https://rda.ucar.edu/datasets/ds628.0/#!access

Last Change

2021-03-22

Physical Location

/net/cfc/s2s/shared_data/Datasets/JRA-55 (total size: 1.5TB)

List of Files

https://data.iac.ethz.ch/atmos/JRA-55.txt (1261 files)

/data/LANDFLUX

Summary

Merged evapotranspiration synthesis product from the LandFlux-EVAL project: For details, see Mueller et al. 2013, HESS, doi:10.5194/hess-17-3707-2013

The data is available for two time periods, 1989-1995 and 1989-2005 (file name supplements .89-95. and .89-05.), and for the different categories of considered ET data sets (diagnostic, reanalyses, land-surface models LSMs, and for all of these; with according file name supplements .diagnostic., .reanalyses., .LSMs., .all.).

Each of the LandFluxEVAL.merged.* files provides either monthly (.monthly.), yearly (.yearly.) and multi-year (.multiyear.) statistics (i.e., based on the mean monthly, yearly and multi-year values of the considered data sets). Data is in mm/d.

Contact

ETH Zurich Institute for Atmospheric and Climate Science martin.hirschi@env.ethz.ch

Links

http://www.iac.ethz.ch/url/LandFlux-EVAL http://www.hydrol-earth-syst-sci.net/17/3707/2013/hess-17-3707-2013.html

Last Change

2017-12-21

Physical Location

/net/argon/landclim/LANDFLUX/DATA/web (total size: 4.9GB)

List of Files

https://data.iac.ethz.ch/atmos/LANDFLUX.txt (28 files)

/data/LandFlux-EVAL

Summary

Merged evapotranspiration synthesis product from the LandFlux-EVAL project.

Contact

martin.hirschi@env.ethz.ch

Last Change

2019-05-22

Physical Location

/net/exo/landclim/data/dataset/LandFlux-EVAL (total size: 11GB)

List of Files

https://data.iac.ethz.ch/atmos/LandFlux-EVAL.txt (65 files)

/data/MERRA2

Summary

The Modern-Era Retrospective analysis for Research and Applications, Version 2 (MERRA-2) provides reanalyse data (e.g., atmospheric) beginning in 1980.

Contact

http://gmao.gsfc.nasa.gov/reanalysis/MERRA-2

Links

Last Change

2024-11-20

Physical Location

/net/ch4/data/MERRA2 (total size: 16TB)

List of Files

https://data.iac.ethz.ch/atmos/MERRA2.txt (136887 files)

/data/MERRA2.3d

Summary

The Modern-Era Retrospective analysis for Research and Applications, Version 2 (MERRA-2) provides reanalyse data (e.g., atmospheric) beginning in 1980. This folder contains 3D data. * M2I6NPANA: MERRA-2 inst6_3d_ana_Np: 3d,6-Hourly,Instantaneous,Pressure-Level,Analysis,Analyzed Meteorological Fields V5.12.4, https://disc.gsfc.nasa.gov/datasets/M2I6NPANA_5.12.4/summary

Contact

http://gmao.gsfc.nasa.gov/reanalysis/MERRA-2

Links

Last Change

2024-12-21

Physical Location

/net/ch4/data/MERRA2.3d (total size: 8.1TB)

List of Files

https://data.iac.ethz.ch/atmos/MERRA2.3d.txt (16528 files)

/data/MERRA2.timeseries

Summary

MERRA-2 reananysis data beginning in 1980 processed into monthly and daily timeseries for selected variables. Processing scripts used in /home/rlorenz/scripts/postproc_merra2/ Original (hourly) data located in /net/data/atmos/MERRA2 folder.

v? contains processed files which have CMIP variable names and the same filename structure as cmip?-ng files. v0 was the first ad-hoc version using files in daily and monthly folders, changing variable names etc. in the command line and data until 2015. v1 is an update, processed using /home/rlorenz/scripts/postproc_merra2/proc_daily_monthly_avg_MERRA2.sh and contains data until end of 2018. v1 uses conservative2 remapping instead of billinear (in accordance with CMIP6-ng), regridding happens at the very end (after calculating rsus and rlds for instance) and there is a slight difference in rsus compared to v0 (reason?).

Contact

ruth.lorenz@env.ethz.ch

Links

http://gmao.gsfc.nasa.gov/reanalysis/MERRA-2

Last Change

2024-07-22

Physical Location

/net/co2/c2sm-data/Datasets/MERRA2.timeseries (total size: 945GB)

List of Files

https://data.iac.ethz.ch/atmos/MERRA2.timeseries.txt (32572 files)

/data/MeteoCH_gridded

Summary

gridded temperature (Tabs, Tmax, Tmin), precipitation (Rhires), and sunshine (Srel) data from MeteoSwiss. Data is on regular lat/lon grid and covers Switzerland. Time resolutions are daily (D), monthly (M) and yearly (D). For example: TabsD = daily average temperature

28.03.2024: Update to Gridded Data NetCDF V1.8 We have completed the recalculation of our gridded datasets in NetCDF V1.8 and also added some additional metainformation into the NetCDF-files to make them compatible in the LV95/CH1903+ coordinate system wit QGIS (from Version 3.28.10 “Firenze” on. Please note that in some of the older versions of QGIS there was a bug not recognizing NetCDF-files correctly, which was fixed later). This contains all the data since 1961/71 to now.

Note: Older versions can be found in the folder OLD-versions.

Variables: * RhiresD, RhiresM, RhiresY - tägliche (D), monatliche (M), jährliche (Y) Niederschlagssumme * SrelD, SrelM, SrelY - tägliche (D), monatliche (M), jährliche (Y) Sonnenscheindauer * TabsD, TabsM, TabsY - tägliche (D), monatliche (M), jährliche (Y) Mitteltemperatur * TminD, TminM, TminY - tägliche (D), monatliche (M), jährliche (Y) Minimumtemperatur * TmaxD, TmaxM, TmaxY - tägliche (D), monatliche (M), jährliche (Y) Maximumtemperatur

Contact

timo.schmid@usys.ethz.ch killian.brennan@env.ethz.ch leonie.villiger@alumni.ethz.ch

Last Change

2024-12-20

Physical Location

/net/iacmeteo/sma/MeteoCH_gridded (total size: 187GB)

List of Files

https://data.iac.ethz.ch/atmos/MeteoCH_gridded.txt (29917 files)

/data/MeteoCH_hailcast

Summary

Maximum hail diameter (DHAIL_MX) fields (based on the hail growth diagnostic HAILCAST) extracted from MeteoSwiss' (1) operational COSMO-1E and COSMO-2E forecast archive and (2) reforecasts of ICON-CH1-EPS and ICON-CH2-EPS computed for the transition from COSMO to ICON in 2024 (project ICON-22). The fields are available for the period April - September and the years 2021-2023 (COSMO) or 2020-2023 (ICON). The files are provided by MeteoSwiss for the research project scclim. The data has not been validated and should be used with care. Do not use for publications without contacting us (so we can get the agreement of MeteoSwiss beforehand).

Contact

Last Change

2024-11-20

Physical Location

/net/n2o/wcr/scclim (total size: 568GB)

List of Files

https://data.iac.ethz.ch/atmos/MeteoCH_hailcast.txt (21251 files)

/data/MeteoCH_images

Summary

Satellite images and weather forecast products from MeteoSwiss.

Forcast products: * ifs: Deterministic IFS forecast * icon-ctrl: Control COSMO/ICON forecast * icon-ens: COSMO/ICON ensemble

Observations: * radar: radar images * sat: satellite images * temp: soundings * prec-compare: combiprecip data set

Special products: * prs-difference: pressure difference Lugano-Kloten * cloudlab:

Linux Tool: * Run the command 'weather' on any IAC Linux system

Contact

michael.sprenger@env.ethz.ch urs.beyerle@env.ethz.ch

Links

https://wiki.iac.ethz.ch/Intranet/WeatherTool

Last Change

2024-12-21

Physical Location

/net/helium/data/iacmeteo/archive/cloud (total size: 279GB)

List of Files

https://data.iac.ethz.ch/atmos/MeteoCH_images.txt (10008022 files)

/data/ncep

Summary

NCEP/NCAR Reanalysis Monthly Means and Other Derived Variables

Temporal Coverage: * Daily and Monthly Values for 1948/01 - present. * Long term monthly means, derived from data for years 1968 - 1996.

Spatial Coverage: * 2.5 degree latitude x 2.5 degree longitude global grid (144x73). * 90N - 90S, 0E - 357.5E

Levels: * 17 pressure levels (hPa): 1000, 925, 850, 700, 600, 500, 400, 300, 250, 200, 150, 100, 70, 50, 30, 20, 10 * Some variables not defined at all levels

Update Schedule: * Monthly * Data is synced every Sunday 20:00

Contact

Last Change

2024-12-15

Physical Location

/net/atmos/data/ncep (total size: 230GB)

List of Files

https://data.iac.ethz.ch/atmos/ncep.txt (1799 files)

/data/NOAA

Summary

Monthly gridded anomalies of surface air temperature dataset from NOAA Atmospheric data are from GHCN-M and ocean temperature from the NOAA ERSST V4 dataset. Temporal Coverage: Monthly anomalies and statistics from 1880/01 to present Spatial Coverage: 5.0 degree latitude x 5.0 degree longitude global grid (72x36). 87.5S - 87.5N, 2.5E-357.5E.

Contact

cspirig@student.ethz.ch andreas.fischer@meteoswiss.ch kuno.strassmann@env.ethz.ch

Last Change

2018-03-29

Physical Location

/net/atmos/data/NOAA (total size: 16MB)

List of Files

https://data.iac.ethz.ch/atmos/NOAA.txt (3 files)

/data/obs.ch2018-freeze-1

Summary

This directory contains two different observational data sets!

eobs_apgd_mch_1971-2008/

-> is a combination of E-OBS, APGD and MCH (see eobs_apgd_mch_1971-2008/README.txt for more information)

eobs_mch_1971-2015/

-> is a combination of E-OBS and MCH (see eobs_mch_1971-2008/README.txt for more information)

Contact

Last Change

2016-10-25

Physical Location

/net/ch4/data/obs.ch2018-freeze-1 (total size: 87GB)

List of Files

https://data.iac.ethz.ch/atmos/obs.ch2018-freeze-1.txt (42 files)

/data/obs.ch2018-freeze-4.0

Summary

This directory contains two different observational data sets!

eobs_apgd_mch_1971-2008/

-> is a combination of E-OBS, APGD and MCH (see eobs_apgd_mch_1971-2008/README.txt for more information)

eobs_mch_1971-2015/

-> is a combination of E-OBS and MCH (see eobs_mch_1971-2008/README.txt for more information)

Contact

cspirig@student.ethz.ch andreas.fischer@meteoswiss.ch kuno.strassmann@env.ethz.ch

Last Change

2016-10-25

Physical Location

/net/ch4/data/obs.ch2018-freeze-4.0 (total size: 87GB)

List of Files

https://data.iac.ethz.ch/atmos/obs.ch2018-freeze-4.0.txt (42 files)

/data/obs4MIPs

Summary

Obs4MIPs (Observations for Model Intercomparisons Project) is an activity to make observational products more accessible for climate model intercomparisons.

Contact