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Terrestrial Hydrosphere Data Access and Tools

NASA data examine many characteristics of the liquid and frozen water and the dynamic processes they are part of across Earth’s landscape. Our datasets and tools help researchers translate these interconnected data points into actionable knowledge.

Terrestrial Hydrosphere Datasets

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Dataset Platforms Instruments Temporal Extent Location Keywords Spatial Extent Data Format
OPERA Dynamic Surface Water Extent from Harmonized Landsat Sentinel-2 product (Version 1) LANDSAT-8, Sentinel-2A, Sentinel-2B, Sentinel-2C OLI, Sentinel-2 MSI 2016-01-01 to Present N: 84 S: -84 E: 180 W: -180 Cloud Optimized GeoTIFF
OPERA Dynamic Surface Water Extent from Sentinel-1 (Version 1) Sentinel-1A, Sentinel-1B SENTINEL-1 C-SAR 2024-08-01 to Present N: 84 S: -84 E: 180 W: -180 Cloud Optimized GeoTIFF
OPERA Dynamic Surface Water Extent from Sentinel-1 CalVal Database (Version 1) Sentinel-1A, Sentinel-1B 2021-09-01 to 2021-10-31 N: 59.2 S: -71 E: 146.3 W: -160.1 zip
PACE-PAX CIRPAS Twin Otter In-Situ Aerosol Retrieval Algorithm (ISARA) Analysis Data TWIN OTTER CIRPAS NPS Computer 2024-09-03 to 2024-09-29 CALIFORNIA, NORTHERN HEMISPHERE, WESTERN HEMISPHERE, TROPOSPHERE N: 38.1 S: 33.62 E: -116.98 W: -124.24 NetCDF-4
Passive Microwave-derived Annual Snowoff Date Maps, 1988-2023 DMSP 5D-3/F16, DMSP 5D-3/F17, DMSP 5D-3/F18, DMSP SSMIS, SSM/I 1988-01-01 to 2023-12-31 RUSSIAN FEDERATION, CANADA, ALASKA N: 90 S: 37.9787 E: 180 W: -180 multiple
PEM Tropics A Merge Data Data Analysis, NASA DC-8, P-3B 1996-08-06 to 1998-10-08 CHRISTMAS ISLAND, PACIFIC OCEAN, HAWAIIAN ISLANDS, FIJI, GALAPAGOS ISLANDS N: 50 S: -79.03 E: 180 W: -180 GTE
PEM Tropics B P-3B In-Situ Aerosol Data P-3B CNC 1999-03-05 to 1999-04-12 PACIFIC OCEAN, HAWAIIAN ISLANDS, FIJI, CHRISTMAS ISLAND, GALAPAGOS ISLANDS N: 40 S: -36.33 E: 180 W: -180 GTE
PnET-BGC: Modeling Biogeochemical Processes in a Northern Hardwood Forest Ecosystem NOT APPLICABLE NOT APPLICABLE 2000-11-05 to 2001-12-31 N: 43.94 S: 43.94 E: -71.751 W: -71.751 multiple
Potential Areas of Gas Seepage Detected by SAR in Lakes near Fairbanks, Alaska COMPUTERS, ALOS Computer, PALSAR 2006-12-04 to 2011-03-17 ALASKA N: 65.1787 S: 64.3313 E: -146.87 W: -148.287 multiple
Pre SWOT Hydrology Global Lake/Reservoir Storage Time Series V2 OSTM/JASON-2 POSEIDON-3 1992-09-25 to 2019-12-23 GLOBAL N: 66 S: -66 E: 180 W: -180 netCDF-4
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Terrestrial Hydrosphere Data Tools

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Tool Description Services
ASF MapReady Terrain-correct, geocode, and apply polarimetric decompositions to multi-pol SAR data Processing
CASEI The Catalog of Archived Suborbital Earth Science Investigations (CASEI) is a comprehensive inventory of contextual information for NASA's Earth Science airborne and field campaigns. Search and Discovery, Cataloging
CyAN File Search The CyAN File Search tool allows users to choose an area over the continental United States and Alaska to retrieve cyanobacteria datasets archived by the Cyanobacteria Assessment Network (CyAN) project. Analysis, Search and Discovery, Visualization
Earthdata Search Earthdata Search enables data discovery, search, comparison, visualization, and access across NASA’s Earth science data holdings. Search and Discovery, Access, Cataloging, Cloud Computing, Downloading
Hydrocron Hydrocron is an API that repackages hydrology datasets from SWOT into formats that make time-series analysis easier. Subsetting, Visualization
Panoply Panoply is a cross-platform application that plots geo-referenced and other arrays from netCDF, HDF, GRIB, and other datasets. Visualization, Customization, Reformatting, Subsetting, Comparison
RTC Stack Processor The radiometric terrain correction (RTC) stack processor tool facilitates time-series analysis of such phenomena as flooding events, deforestation, or glacier retreat. Analysis, Processing, Search and Discovery, Visualization
SeaDAS Sea, earth, atmosphere Data Analysis System (SeaDAS) is a comprehensive image analysis package for the processing, display, analysis, and quality control of ocean color data. Analysis, Visualization, Processing
STREAM STREAM is a rapid water quality monitoring tool that processes satellite imagery to create maps showing chlorophyll-a, Total Suspended Solids, and water clarity at 20-30 meter resolution. Processing
SWOT Swath Visualizer The Surface Water and Ocean Topography (SWOT) Swath Visualizer provides a visualization of two instruments’ coverage of Earth's surface: the Ka-band Radar Interferometer and altimeter. Analysis, Data Curation, Visualization
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