Title

An Improved C-Band Ocean Surface Emissivity Model at Hurricane-Force Wind Speeds Over a Wide Range of Earth Incidence Angles

Authors

Authors

S. F. El-Nimri; W. L. Jones; E. Uhlhorn; C. Ruf; J. Johnson;P. Black

Comments

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Abbreviated Journal Title

IEEE Geosci. Remote Sens. Lett.

Keywords

Hurricane Imaging Radiometer (HIRAD); hurricane winds; ocean surface; emissivity; radiometry; Stepped-Frequency Microwave Radiometer (SFMR); TEMPERATURE; Geochemistry & Geophysics; Engineering, Electrical & Electronic; Remote; Sensing; Imaging Science & Photographic Technology

Abstract

An improved microwave radiometric ocean surface emissivity model has been developed to support forward radiative transfer modeling of brightness temperature and geophysical retrieval algorithms for the next-generation airborne Hurricane Imaging Radiometer instrument. This physically based C-band emissivity model extends current model capabilities to hurricane-force wind speeds over a wide range of incidence angles. It was primarily developed using brightness temperature observations during hurricanes with coincident high-quality surface-truth wind speeds, which were obtained using the airborne Stepped-Frequency Microwave Radiometer. Also, other ocean emissivity models available through the published literature and the spaceborne WindSat radiometer measurements were used.

Journal Title

Ieee Geoscience and Remote Sensing Letters

Volume

7

Issue/Number

4

Publication Date

1-1-2010

Document Type

Article

Language

English

First Page

641

Last Page

645

WOS Identifier

WOS:000283446700005

ISSN

1545-598X

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