Pre SWOT Hydrology GRRATS Jason-2 Virtual Station Heights Version 1

Pre SWOT Hydrology GRRATS Jason-2 Virtual Station Heights Version 1
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DOI10.5067/PSGRA-SA2V1
Short NamePRESWOT_HYDRO_GRRATS_L2_VIRTUAL_STATION_HEIGHTS_V1
DescriptionThese are simulated river gauge data that are derived from Jason-2 and Envisat altimetric measurements. The purpose of this dataset is to provide hydrological altimetric measurements and to get the hydrology community accustomed to using satellite hydrology data before SWOT launches.
Version1
Dataset TypeOPEN
Measurement
Processing Level2
CoverageRegion: Global
Northernmost Latitude: 90 degrees
Southernmost Latitude: -90 degrees
Westernmost Longitude: -180 degrees
Easternmost Longitude: 180 degrees
Time Span: 2002-Jul-13 to Present
ResolutionSpatial Resolution: 11.2 km (Along) x 5.1 km (Across)
ProjectionType:
Detail:
Ellipsoid:
Latency hours
Swath Width5 km
Sample Frequency-
Temporal Repeat (Nominal)10 Day
Temporal Repeat (Min)3 Day
Temporal Repeat (Max)10 Day
Platform/Sensor
ENVISAT
Platform
Name: Environmental Satellite (ENVISAT)
Orbit Period: 100.59 minutes
Inclination Angle: 98.55 degrees
Ascending Node: 1970-Jan-01 00:00:00
/
RA-2
SENSOR
Name: Radar Altimeter 2 (RA-2)
Swath Width: 5 km
Description: Nadir pointing radar altimeter measuring at 13.575 GHz (Ku band) and 3.2 GHz (S band)

OSTM/JASON-2
Platform
Name: Ocean Surface Topography Mission/Jason-2 (OSTM/JASON-2)
Orbit Period: 112.43 minutes
Inclination Angle: 66.04 degrees
Ascending Node: 1970-Jan-01 00:00:00
/
POSEIDON-3
SENSOR
Name: OSTM/Jason-2 RADAR alitmieter (POSEIDON-3)
Swath Width: 5.1 km
Description: The Poseidon-3 altimeter, operating at 13.575 GHz (Ku band) and 5.3 GHz (C band), is the primary sensor for the OSTM mission. The measurements made at the two frequencies are combined to obtain measurements of the altimeter range, wind speed, significant wave height, and the ionoshperic correction. The Poseidon-3 package consists of dual redundant altimeter units each of which has low mass and low power consumption.

ProjectMaking Earth Science Data Records for Use in Research Environments (MEaSUREs)
Data ProviderCreator: 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: -
Release Date: 2016-Nov-01
Resource: -
Keyword(s)hydrology
Persistent IDPODAAC-PSGRA-SA2V1
Questions related to this dataset? Contact podaac@podaac.jpl.nasa.gov
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. 2016. Pre SWOT Hydrology GRRATS Jason-2 Virtual Station Heights Version 1. Ver. 1. PO.DAAC, CA, USA. Dataset accessed [YYYY-MM-DD] at https://doi.org/10.5067/PSGRA-SA2V1.

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