Hydrological Hydrological data discovery portal
Sign in Get started

Datasets

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

Search
Category
Access
Coverage
Provider
92 datasets
Agricultural

MapSPAM 2020

Area, yield and production for 46 crops

IFPRI5 arc-minutes2000, 2005, 2010, 2020GlobalDirect download (external)
Climate

NASA NEX-GDDP-CMIP6

Bias-corrected daily CMIP6 projections at 0.25°

NASA0.25°1950–2100GlobalDirect download (external)
Climate

NASA POWER

Daily weather and solar data through a simple API

NASA LaRC0.5° × 0.625°1981–presentGlobalAPI (external)
DEM

NASADEM

Reprocessed SRTM with ASTER and ICESat corrections

NASA JPL30 m2000GlobalDownload with free login
ET

OpenET

Field-scale ET from an ensemble of six models

OpenET30 m2016–presentWestern United StatesAPI (external)
Soils

OpenLandMap Soil Properties

250 m soil property maps at standard depths

OpenGeoHub250 mStaticGlobalDirect download (external)
Climate

PRISM Climate Data

800 m and 4 km climate for the conterminous United States

PRISM / Oregon State800 m and 4 km1895–presentConterminous United StatesDirect download (external)
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
ET

SSEBop Actual ET

1 km actual evapotranspiration from MODIS thermal data

USGS EROS1 km2003–presentGlobalDirect download (external)
Soils

SSURGO and gSSURGO

Detailed county-level soil surveys for the United States

USDA NRCS1:12,000 to 1:63,360Updated annuallyUnited States and territoriesAPI (external)
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)
Climate

TerraClimate

4 km monthly climate and water balance since 1958

Climatology Lab1/24°1958–presentGlobalAPI (external)
Management

Transboundary Freshwater Dispute Database

310 international river basins with treaties and events

Oregon State UniversityPolygons and tables1820–present (treaties)GlobalDirect download (external)
Agricultural

USDA Cropland Data Layer

Crop-specific 30 m land cover for the United States

USDA NASS30 m2008–presentConterminous United StatesDirect download (external)
DEM

USGS 3DEP Elevation

Lidar-based elevation for the United States, 1 m to 1/3 arc-second

USGS1 mVaries by projectUnited States and territoriesAPI (external)
Flow

USGS Water Data for the Nation

Real-time and historical streamflow for the United States

USGSStation data1889–presentUnited StatesAPI (external)
Management

WHYMAP Groundwater Resources of the World

Global map of groundwater resources and aquifer types

BGR / UNESCO1:25,000,000StaticGlobalDirect download (external)
Climate

WorldClim 2.1

1 km climate normals, monthly weather and CMIP6 projections

WorldClim30 arc-seconds to 10 arc-minutes1970–2000 normals, 1960–2021 monthlyGlobalDirect download (external)