SASSIE Arctic Field Campaign PALS Data Fall 2022

The Salinity and Stratification at the Sea Ice Edge (SASSIE) project is a NASA experiment that aims to understand how salinity anomalies in the upper ocean generated by melting sea ice affect sea surface temperature (SST), stratification, and subsequent sea-ice growth. SASSIE involved a field campaign that sampled the transition from summer melt to autumn ice advance in the Beaufort Sea during August-October 2022, making intensive in situ and remote sensing observations within ~200km of the sea ice edge. The Passive-Active L-Band System (PALS) is an airborne microwave radiometer that senses ocean temperature and surface wind speed. The brightness temperature data is obtained at 1.4GHz using the PALS conical scanner, with the raw data sampled at 1ms and gridded over an approximate 2x2km grid. Several quality control steps were done to remove any scan dependent biases, radio frequency interference, wind-speed dependencies. Calibration of the sensor was done with respect to special aircraft maneuvers as well as in-situ samples. Brightness temperature were converted to salinity via the Klein-Swift salinity retrieval model. Data is available in netCDF format.

Data and Resources

Additional Info

Field Value
Maintainer Earthdata Forum
Last Updated June 23, 2026, 02:15 (UTC)
Created April 1, 2025, 18:44 (UTC)
accessLevel public
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harvest_source_id b99e41c6-fe79-4c19-bbc3-9b6c8111bfac
harvest_source_title Science Discovery Engine
identifier 10.5067/SASSIE-PALS2
license https://www.usa.gov/government-works
modified 2026-06-15T22:16:02Z
programCode {026:000}
publisher NASA/JPL/PODAAC
resource-type Dataset
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source_hash 91f4d9bb6ee9c8884c2c71abd24be9255e383976e47aeb2cbe10ee2fb12f3999
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spatial ["GEODETIC", [{"NorthBoundingCoordinate": 75.75, "WestBoundingCoordinate": -170.5, "EastBoundingCoordinate": -138.0, "SouthBoundingCoordinate": 67.46}]]
temporal 2022-09-14/2022-09-20
theme {"Earth Science"}