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Datasets

92 hydrological datasets from 54 providers. Every entry links to the provider's own files and terms.

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Provider
22 datasets
Flow

Global Discharge Stations

Daily and monthly river discharge from more than 10,000 stations

GRDCStation data1806–presentGlobalRequest from provider
Observations

GRACE and GRACE-FO Mascons

Monthly terrestrial water storage anomalies since 2002

NASA JPL0.5° grid2002–presentGlobalDownload with free login
Observations

ASTER Global Water Bodies Database

30 m water body map produced with ASTER GDEM

NASA / METI30 m2000–2013GlobalDownload with free login
Reservoirs

DAHITI Water Levels

Satellite altimetry water levels for lakes, reservoirs and rivers

DGFI-TUMStation data1992–presentGlobalAPI (external)
Observations

ESA CCI Soil Moisture

Daily 0.25° soil moisture from merged satellites since 1978

ESA / TU Wien0.25°1978–presentGlobalDirect download (external)
Observations

FLUXNET2015

Energy, water and carbon fluxes from 212 sites

FLUXNETStation data1991–2014GlobalRegistration with provider
Reservoirs

G-REALM

Altimetry water level variations for large lakes and reservoirs

USDA FAS / NASAStation data1992–presentGlobalDirect download (external)
Observations

GHCN-Daily

Daily station observations from more than 100,000 stations

NOAA NCEIStation data1763–presentGlobalAPI (external)
ET

GLEAM v4

Daily 0.1° evaporation and its components since 1980

Ghent University0.1°1980–near presentGlobalRegistration with provider
Climate

GPM IMERG Final Run

Half-hourly 0.1° precipitation from the GPM constellation

NASA GES DISC0.1°2000–presentGlobalDownload with free login
Flow

GSIM Global Streamflow Indices and Metadata

Streamflow indices and catchment boundaries for 30,959 gauges

PANGAEAStation data and catchment polygons1806–2016GlobalDirect download (external)
Reservoirs

Hydroweb.next

Altimetry water levels for rivers and lakes

CNES / TheiaStation data1992–presentGlobalRegistration with provider
Management

IGRAC Global Groundwater Information System

Groundwater monitoring and transboundary aquifers

IGRACStation data and polygonsVaries by networkGlobalRegistration with provider
Observations

International Soil Moisture Network

Harmonised soil moisture from more than 70 networks

TU WienStation data1952–presentGlobalRegistration with provider
Observations

JRC Global Surface Water

30 m surface water occurrence and change since 1984

JRC / Google30 m1984–2021GlobalDirect download (external)
Observations

Landsat Collection 2 Level-2

30 m imagery since 1982 for long-term change

USGS / NASA30 m1982–presentGlobalDownload with free login
Observations

MODIS Snow Cover (MOD10A1)

Daily 500 m snow cover since 2000

NASA / NSIDC500 m2000–presentGlobalDownload with free login
Reservoirs

ResOpsUS

Daily storage, inflow and release for 679 reservoirs

Steyaert et al. (2022)Station data1930–2020Conterminous United StatesDirect download (external)
Observations

SMAP L3 Soil Moisture

Daily surface soil moisture from L-band radiometry

NASA / NSIDC36 km2015–presentGlobalDownload with free login
Observations

SWOT River and Lake Products

Water surface elevation, width and slope from wide-swath altimetry

NASA / CNESRiver reaches, nodes and lakes2023–presentGlobalDownload with free login
Observations

Sentinel-2 Level-2A

10 m multispectral imagery every 5 days

ESA / Copernicus10, 20 and 60 m2017–presentGlobalDirect download (external)
Flow

USGS Water Data for the Nation

Real-time and historical streamflow for the United States

USGSStation data1889–presentUnited StatesAPI (external)