SWOT Level 2 Lake Single-Pass Vector Data Product, Version C
(SWOT_L2_HR_LakeSP_2.0)Version | 2.0 |
Processing Level | 2 |
Start/Stop Date | 2022-Dec-16 to Present |
Short Name | SWOT_L2_HR_LakeSP_2.0 |
Description | The SWOT Level 2 Lake Single-Pass Vector Data Product from the Surface Water Ocean Topography (SWOT) mission provides water surface elevation, area, storage change derived from the high rate (HR) data stream from the Ka-band Radar Interferometer (KaRIn). SWOT launched on December 16, 2022 from Vandenberg Air Force Base in California into a 1-day repeat orbit for the "calibration" or "fast-sampling" phase of the mission, which completed in early July 2023. After the calibration phase, SWOT entered a 21-day repeat orbit in August 2023 to start the "science" phase of the mission, which is expected to continue through 2025. Water surface elevation, area, and storage change are provided in three feature datasets covering the full swath for each continent-pass: 1) an observation-oriented feature dataset of lakes identified in the prior lake database (PLD), 2) a PLD-oriented feature dataset of lakes identified in the PLD, and 3) a feature dataset containing unassigned features (i.e., not identified in PLD nor prior river database (PRD)). These data are generally produced for inland and coastal hydrology surfaces, as controlled by the reloadable KaRIn HR mask. The dataset is distributed in ESRI Shapefile format. Please note that this collection contains SWOT Version C science data products. This dataset is the parent collection to the following sub-collections: https://podaac.jpl.nasa.gov/dataset/SWOT_L2_HR_LakeSP_obs_2.0 https://podaac.jpl.nasa.gov/dataset/SWOT_L2_HR_LakeSP_prior_2.0 https://podaac.jpl.nasa.gov/dataset/SWOT_L2_HR_LakeSP_unassigned_2.0 |
DOI | 10.5067/SWOT-LAKESP-2.0 |
Measurement | TERRESTRIAL HYDROSPHERE > SURFACE WATER > SURFACE WATER PROCESSES/MEASUREMENTS TERRESTRIAL HYDROSPHERE > SURFACE WATER > SURFACE WATER FEATURES |
Swath Width | 120 km |
Platform/Sensor | SWOT / Platform Name: Surface Water Ocean Topography (SWOT) KaRIn SENSOR Name: Ka-band Radar Interferometer (KaRIn) SWOT / Platform Name: Surface Water Ocean Topography (SWOT) Jason-class Altimeter SENSOR Name: Jason-class Altimeter (Jason-class Altimeter) SWOT / Platform Name: Surface Water Ocean Topography (SWOT) AMR SENSOR Name: Advanced Microwave Radiometer (AMR) Swath Width: 18.7 ghz Description: The operating frequency which is aimed towards recovery of atmospheric attenuation due to sigma0 Swath Width: 23.8 ghz Description: The operating frequency which is aimed towards recovery of atmospheric attenuation due to water vapor Swath Width: 34.0 ghz Description: The operating frequency which is aimed towards recovery of atmospheric attenuation due to cloud liquid water. SWOT / Platform Name: Surface Water Ocean Topography (SWOT) DORIS SENSOR Name: Doppler Orbitography and Radiopositioning Integrated by Satellite (DORIS) SWOT / Platform Name: Surface Water Ocean Topography (SWOT) GPSP SENSOR Name: Global Positioning System Payload (GPSP) Show More |
Project | Surface Water Ocean Topography (SWOT) |
Data Provider | Publisher: JPL NASA Creator: Surface Water Ocean Topography (SWOT) Release Place: Jet Propulsion Laboratory Release Date: 2024-Feb-01 Resource: https://swot.jpl.nasa.gov/ |
Format | Shapefile |
Questions related to this dataset? Contact podaac@podaac.jpl.nasa.gov
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: 2022-Dec-16 to PresentSwath Width: 120 km |
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DATA CITATION POLICY | |
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ALGORITHM THEORETICAL BASIS DOCUMENT (ATBD) | |
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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 | Surface Water Ocean Topography (SWOT). 2024. SWOT Level 2 Lake Single-Pass Vector Data Product, Version C. Ver. C. PO.DAAC, CA, USA. Dataset accessed [YYYY-MM-DD] at https://doi.org/10.5067/SWOT-LAKESP-2.0
For more information see Data Citations and Acknowledgments.
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Journal Reference | JPL Internal Document. 2018. Surface Water and Ocean Topography Mission (SWOT) Project: Science Requirements Document, JPL D-61923, Rev. B, Jet Propulsion Laboratory. |