Datasets

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

GeoDAR

22,560 dams and 21,515 reservoir boundaries

Wang et al. (2022)Points and polygonsStatic (v1.1)GlobalDirect download (external)

Flow

GloFAS River Discharge Reanalysis

Daily modelled river discharge on a 0.05° grid since 1979

Copernicus / ECMWF0.05°1979–presentGlobalAPI (external)

Management

Global Dam Watch Database

A harmonised global database of dams and reservoirs

Global Dam WatchPoints and polygonsStatic (v1.0, 2024)GlobalDirect download (external)

Land Use

Global Forest Change

Annual 30 m tree cover loss since 2000

UMD GLAD / Google30 m2000–2025GlobalDirect download (external)

Agricultural

Global Map of Irrigation Areas (GMIA v5)

Area equipped for irrigation at 5 arc-minutes

FAO / U. Bonn5 arc-minutesAbout 2005GlobalDirect download (external)

Soils

Harmonized World Soil Database v2.0

1 km soil map with attributes for seven depth layers

FAO / IIASA30 arc-secondsStatic (2023)GlobalDirect download (external)

Soils

HiHydroSoil v2.0

250 m soil hydraulic parameters for hydrological models

FutureWater250 mStaticGlobalDirect download (external)

Flow

HydroBASINS

Global watershed boundaries in a Pfafstetter hierarchy

WWF / McGillPolygonsStatic (v1c)GlobalDirect download (external)

Reservoirs

HydroLAKES

1.4 million lake polygons with depth and volume estimates

WWF / McGillPolygonsStatic (v1.0)GlobalDirect download (external)

Flow

HydroRIVERS

8.5 million river reaches with discharge and order

WWF / McGillLinesStatic (v1.0)GlobalDirect download (external)

Flow

HydroSHEDS Core

Conditioned DEM, flow direction and accumulation

WWF / McGill3, 15 and 30 arc-secondsStatic (v1)GlobalDirect 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

DEM

MERIT DEM

90 m DEM with major error sources removed

University of Tokyo90 mStatic (released 2017)GlobalRegistration with provider

Flow

MERIT Hydro

90 m flow direction, upstream area, river width and HAND

University of Tokyo90 mStatic (released 2019)GlobalRegistration with provider

Agricultural

MIRCA2000

Monthly growing areas for 26 crop classes

U. Frankfurt5 arc-minutesAbout 2000GlobalDirect download (external)

Land Use

MODIS Land Cover Type (MCD12Q1)

Annual 500 m land cover with IGBP and other schemes

NASA / USGS500 m2001–presentGlobalDownload with free login

Observations

MODIS Snow Cover (MOD10A1)

Daily 500 m snow cover since 2000

NASA / NSIDC500 m2000–presentGlobalDownload with free login

Climate

MSWEP v2.8

3-hourly 0.1° precipitation merging gauges, satellites and reanalysis

GloH2O0.1°1979–near presentGlobalRegistration with provider