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Platforms > Space-based Platforms > Earth Observation Satellites > NASA Decadal Survey > SWOT

Preferred term

SWOT  

Definition

  • Ocean and surface water levels are measured over a 120-km (75-mi) wide swath with a ~20 km (~12 mi) gap along nadir using a Ka-band radar interferometer. KaRIn (Ka-band Radar Interferometer) has two antennas separated by a 10-meter boom. Radar pulses are transmitted by one antenna and received by both for interferometry, creating two parallel swaths of data. More information: https://swot.jpl.nasa.gov/mission/flight-systems/ (en)

Broader concept

Change note

  • 2017-11-30 11:14:04.0 [sritz] update Definition (The Surface Water & Ocean Topography (SWOT) mission brings together two communities focused on a better understanding of the world's oceans and its terrestrial surface waters. U.S. and French oceanographers and hydrologists and international partners have joined forces to develop this new space mission to make the first global survey of Earth's surface water, observe the fine details of the ocean's surface topography, and measure how water bodies change over time. SWOT was one of 15 missions listed in the 2007 National Research Council Decadal Survey of Earth science as missions that NASA should implement in the coming decade.); update Definition (https://swot.jpl.nasa.gov/); update Resource (image); update Resource (https://swot.jpl.nasa.gov/images/swot/swot_v4_lowres_cropped_200.jpg);
  • 2018-03-12 12:33:34.0 [sritz] update Definition (The Surface Water & Ocean Topography (SWOT) mission brings together two communities focused on a better understanding of the world's oceans and its terrestrial surface waters. U.S. and French oceanographers and hydrologists and international partners have joined forces to develop this new space mission to make the first global survey of Earth's surface water, observe the fine details of the ocean's surface topography, and measure how water bodies change over time. SWOT was one of 15 missions listed in the 2007 National Research Council Decadal Survey of Earth science as missions that NASA should implement in the coming decade. More information: https://swot.jpl.nasa.gov/);
  • 2019-05-10 16:42:50.0 [sritz] delete Resource (null);
  • 2019-05-10 16:54:18.0 [sritz] insert WeightedRelation (id: null related concept uuid: e5c4d64f-fb76-40e1-84f0-d3019b70642d relationship type: null relationship value: null generated by: null);
  • 2019-05-10 17:13:35.0 [sritz] insert WeightedRelation (id: null related concept uuid: 3f392e56-af78-451b-a1ba-c577aa728a4c relationship type: null relationship value: null generated by: null);
  • 2022-03-15 12:00:58.0 [sritz] update Definition (TOcean and surface water levels are measured over a 120-km (75-mi) wide swath with a ~20 km (~12 mi) gap along nadir using a Ka-band radar interferometer. KaRIn (Ka-band Radar Interferometer) has two antennas separated by a 10-meter boom. Radar pulses are transmitted by one antenna and received by both for interferometry, creating two parallel swaths of data. More information: https://swot.jpl.nasa.gov/mission/flight-systems/); update Definition (Reference: https://swot.jpl.nasa.gov/);
  • 2022-03-15 12:01:22.0 [sritz] update Definition (Ocean and surface water levels are measured over a 120-km (75-mi) wide swath with a ~20 km (~12 mi) gap along nadir using a Ka-band radar interferometer. KaRIn (Ka-band Radar Interferometer) has two antennas separated by a 10-meter boom. Radar pulses are transmitted by one antenna and received by both for interferometry, creating two parallel swaths of data. More information: https://swot.jpl.nasa.gov/mission/flight-systems/);

URI

https://gcmd.earthdata.nasa.gov/kms/concept/63b6f3d6-3e9a-40c9-ae91-13f580c7b6c3

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