Back to Search
Start Over
New Geophysical Model Function for Ocean Emissivity at 89 GHz Over Arctic Waters
- Source :
- IEEE Geoscience and Remote Sensing Letters. 16:573-577
- Publication Year :
- 2019
- Publisher :
- Institute of Electrical and Electronics Engineers (IEEE), 2019.
-
Abstract
- New empirical geophysical model functions (GMFs) have been developed to interpret 89-GHz brightness temperature measurements over cold Arctic seas. Careful data screening is applied to the Advanced Microwave Scanning Radiometer 2 (AMSR2) multifrequency measurements to exclude atmospheric scattering and large absorption impacts, to estimate the 89-GHz sea surface emissivity and its relative changes with surface wind speed (SWS). Matched-up wind speeds are directly derived from the AMSR2 low-frequency measurements. The GMFs are obtained from the AMSR2 level 1R 89 GHz measurements corrected for the atmospheric impact with physical models and atmospheric parameters derived from the AMSR2 data. A carefully selected database encompasses mostly cold sea conditions (
- Subjects :
- Radiometer
0211 other engineering and technologies
02 engineering and technology
Atmospheric model
Geophysics
Geotechnical Engineering and Engineering Geology
Wind speed
Sea surface temperature
Arctic
Brightness temperature
Emissivity
Environmental science
Electrical and Electronic Engineering
Polar low
021101 geological & geomatics engineering
Subjects
Details
- ISSN :
- 15580571 and 1545598X
- Volume :
- 16
- Database :
- OpenAIRE
- Journal :
- IEEE Geoscience and Remote Sensing Letters
- Accession number :
- edsair.doi...........0985a6287f1ac3124b0db0d4112a427a