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- Title
The Effect of Aerosols and Clouds on the Retrieval of Infrared Sea Surface Temperatures.
- Authors
Vá;zquez-Cuervo, Jorge; Armstrong, Edward M.; Harris, Andy
- Abstract
Comparisons are performed between spatially averaged sea surface temperatures (ASST2) as derived from the second Along-Track Scanning Radiometer (ATSR-2) on board the second European Remote Sensing Satellite (ERS-2) and the NOAA–NASA Advanced Very High Resolution Radiometer (AVHRR) Oceans Pathfinder dataset (MPFSST). Difference maps, MPFSST - ASST2, along with the application of a simple statistical regression model to aerosol and cloud data from the Total Ozone Mapping Spectrometer (TOMS), are used to examine the impact of possible aerosol and cloud contamination. Differences varied regionally, but the largest biases were seen off western Africa. Nighttime and daytime differences off western Africa were reduced from -0.5° to -0.2°C and from -0.1° to 0°C, respectively. Significant cloud flagging, based on the model, occurred in the Indian Ocean, the equatorial Pacific, and in the vicinity of the Gulf Stream. Comparisons of the MPFSST and the ASST2 with in situ data from the 2002 version of the World Oceanic Database (WOD02) off western Africa show larger mean differences for the MPFSST. The smallest mean differences occurred for nighttime ASST2 - WOD02 with a value of 0.0° ± 0.4°C.
- Subjects
OCEAN temperature; WATER temperature; OCEAN; OCEANOGRAPHY; METEOROLOGY; CLIMATOLOGY
- Publication
Journal of Climate, 2004, Vol 17, Issue 20, p3921
- ISSN
0894-8755
- Publication type
Article
- DOI
10.1175/1520-0442(2004)017<3921:TEOAAC>2.0.CO;2