Pre SWOT Hydrology GRRATS Daily River Heights and Storage Version 2
(PRESWOT_HYDRO_GRRATS_L2_DAILY_VIRTUAL_STATION_HEIGHTS_V2)| Version | 2 |
| Processing Level | 2 |
| Start/Stop Date | 1992-Apr-06 to 2018-Apr-20 |
| Short Name | PRESWOT_HYDRO_GRRATS_L2_DAILY_VIRTUAL_STATION_HEIGHTS_V2 |
| Description | The Global River Radar Altimeter Time Series (GRRATS) 1km/daily interpolations are river heights from ERS-1, ERS-2, TOPEX/Poseidon OSTM/Jason-2 and Envisat that are interpolated and processed to create a continuous heights for the study over the temporal range of the altimeters used. The purpose of these heights are to provide satellite altimetric river height data in a form that is more recognizable to the observational community and as a way to get users use to using satellite data for river hydrology. These pre SWOT data are derived from satellites to provide hydrological measurements. The Surface Water and Ocean Topography (SWOT) mission will have hydrology as one of its objectives. This dataset does not have the same variables as SWOT, but does provide hydrological measurements with typical quality flagging typical of satellite data. Not only does it provide science information, it can also assist hydrological users new to satellite data with the satellite data formats and variables before SWOT launches. |
| DOI | 10.5067/PSGRA-DA2V2 |
| Measurement | TERRESTRIAL HYDROSPHERE > SURFACE WATER > SURFACE WATER FEATURES |
| Swath Width | 5.1 km |
| Platform/Sensor | OSTM/JASON-2 / Platform Name: Joint Altimetry Satellite Oceanography Network - 2 (OSTM/JASON-2) Orbit Period: 112.43 minutes Inclination Angle: 66.04 degrees POSEIDON-3 SENSOR Name: JASON-2 RADAR ALTIMETER (POSEIDON-3) Swath Width: 5.1 kilometers Description: Spacecraft angular distance from orbital plane relative to the Equator. TOPEX/POSEIDON / Platform Name: Ocean Topography Experiment (TOPEX/POSEIDON) Orbit Period: 112.43 minutes Inclination Angle: 66.04 degrees ALT (TOPEX) SENSOR Name: TOPEX Radar Altimeter (ALT (TOPEX)) Swath Width: 5.0 kilometers Description: Spacecraft angular distance from orbital plane relative to the Equator. ENVISAT / Platform Name: Environmental Satellite (ENVISAT) Orbit Period: 100.59 minutes Inclination Angle: 98.55 degrees RA-2 SENSOR Name: Radar Altimeter-2 (RA-2) Swath Width: 5.0 kilometers Description: Spacecraft angular distance from orbital plane relative to the Equator. JASON-3 / Platform Name: Joint Altimetry Satellite Oceanography Network - 3 (JASON-3) Orbit Period: 112.0 minutes Inclination Angle: 66.05 degrees POSEIDON-3B SENSOR Name: Poseidon-3B Altimeter (POSEIDON-3B) Swath Width: 5.1 kilometers Description: Spacecraft angular distance from orbital plane relative to the Equator. JASON-1 / Platform Name: JASON-1 (JASON-1) Orbit Period: 112.43 minutes Inclination Angle: 66.04 degrees POSEIDON-2 SENSOR Name: JASON-1 RADAR ALTIMETER (POSEIDON-2) Show More |
| Project | Making Earth System Data Records for Use in Research Environments (MEaSUREs) |
| Data Provider | Publisher: NASA/JPL/SWOT Creator: Coss, Stephen; Durand, Michael; Lettenmaier, Dennis; Yi, Yuchan; Jia, Yuanyuan; Guo, Qi, Tuozzolo, Stephen; Shun, C.K.; Allen, George H.; Calmant, Stephane; Pavelsky, Tamlin Release Place: NASA/JPL/PODAAC Release Date: 2019-Aug-30 Resource: https://archive.podaac.earthdata.nasa.gov/podaac-ops-cumulus-docs/preswot_hydrology/open/L2/rivers/docs/GRRATS_user_handbookV2.pdf |
| Format | netCDF-4 |
| Keyword(s) | river, area, hydrology, pre-swot, inland, water, osu, water height, swot |
Questions related to this dataset? Contact podaac@podaac.jpl.nasa.gov
Resolution Temporal Resolution: Daily - < Weekly Coverage Region: GLOBAL North Bounding Coordinate: 90 degrees South Bounding Coordinate: -90 degrees West Bounding Coordinate: -180 degrees East Bounding Coordinate: 180 degrees Time Span: 1992-Apr-06 to 2018-Apr-20 Granule Time Span: 1992-Apr-08 to 2018-Apr-20Swath Width: 5.1 km |
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| Available for access in-region with AWS Cloud | |
Region | |
| us-west-2 | |
| podaac-ops-cumulus-protected/PRESWOT_HYDRO_GRRATS_L2_DAILY_VIRTUAL_STATION_HEIGHTS_V2/ | |
| podaac-ops-cumulus-public/PRESWOT_HYDRO_GRRATS_L2_DAILY_VIRTUAL_STATION_HEIGHTS_V2/ | |
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| DATA RECIPE | |
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| DATA CITATION POLICY | |
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Citation is critically important for dataset documentation and discovery. Please cite the data as follows, and cite the reference papers when it is appropriate.
| Citation | Coss, Stephen; Durand, Michael; Lettenmaier, Dennis; Yi, Yuchan; Jia, Yuanyuan; Guo, Qi, Tuozzolo, Stephen; Shun, C.K.; Allen, George H.; Calmant, Stephane; Pavelsky, Tamlin. 2019. PRESWOT_HYDRO_GRRATS_L2_DAILY_VIRTUAL_STATION_HEIGHTS_V2. Ver. 2. PO.DAAC, CA, USA. Dataset accessed [YYYY-MM-DD] at https://doi.org/10.5067/PSGRA-DA2V2
For more information see Data Citations and Acknowledgments.
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