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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
Pre SWOT Hydrology Global Lake/Reservoir Surface Inland Water Area Extent V2 Aqua, TERRA MODIS 2000-02-18 to 2016-10-15 GLOBAL N: 90 S: -90 E: 180 W: -180 netCDF-4
Pre SWOT Hydrology Global Lake/Reservoir Surface Inland Water Height GREALM V.2 OSTM/JASON-2 POSEIDON-3 1992-09-25 to 2019-12-23 GLOBAL N: 66 S: -66 E: 180 W: -180 netCDF-4
Pre SWOT Hydrology GRRATS Daily River Heights and Storage Version 2 OSTM/JASON-2, TOPEX/POSEIDON, ENVISAT, JASON-3, JASON-1, ERS-2 POSEIDON-3, ALT (TOPEX), RA-2, POSEIDON-3B, POSEIDON-2, ALTIMETERS 1992-04-06 to 2018-04-20 GLOBAL N: 90 S: -90 E: 180 W: -180 netCDF-4
Pre SWOT Hydrology GRRATS Virtual Station River Heights Version 2 OSTM/JASON-2, ERS-1, ENVISAT, JASON-3, JASON-1, ERS-2 POSEIDON-3, ALTIMETERS, RA-2, POSEIDON-3B, POSEIDON-2 1992-04-06 to 2018-04-20 GLOBAL N: 90 S: -90 E: 180 W: -180 netCDF-4
Pre-ABoVE: Ground-penetrating Radar Measurements of ALT on the Alaska North Slope FIELD INVESTIGATION GPR, GPS, SOIL DEPTH PROBE 2014-08-10 to 2014-08-15 N: 69.15 S: 68.4 E: -148.7 W: -149.5 CSV
Pre-Delta-X: AVIRIS-derived Total Suspended Solids Maps for MRD, LA, USA, 2015-2016 B-200 AVIRIS-NG 2015-05-06 to 2016-10-18 LOUISIANA N: 29.8749 S: 29.2896 E: -90.7103 W: -91.567 GeoTIFF
Pre-Delta-X: L1 UAVSAR Single Look Complex and Interferograms, MRD, LA, USA, 2016 UAV UAVSAR 2016-10-16 to 2016-10-17 LOUISIANA N: 29.7582 S: 29.3562 E: -91.0577 W: -91.622 multiple
Pre-Delta-X: L2 AirSWOT Water Surface Elevations, Atchafalaya Basin, LA, USA, 2016 King Air AirSWOT 2015-05-08 to 2015-05-11 LOUISIANA N: 29.8653 S: 28.9819 E: -90.4475 W: -91.6022 multiple
Pre-Delta-X: L3 AirSWOT-derived Water Level Profiles, Wax Lake Outlet, LA, USA, 2015 B-200 AirSWOT 2015-05-08 to 2015-05-11 LOUISIANA N: 29.7276 S: 29.45 E: -91.3583 W: -91.5083 CSV
Pre-Delta-X: Lidar-derived Water Level Profiles in the Wax Lake Outlet, LA, USA, 2016 B-200, FIXED OBSERVATION STATIONS Riegl LMS-Q1560, STREAM GAUGES 2016-10-16 to 2016-10-19 LOUISIANA N: 29.743 S: 29.479 E: -91.3571 W: -91.485 CSV
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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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