Passive Microwave Measurements of Oceanographic Phenomena, Ice, and Sediments.

Airborne measurements were conducted off the Northern California coast to investigate microwave emission as a function of wave conditions. The measurements were performed at observational wavelengths of 21 and 0.81 cm. A series of rosette patterns centered near the San Francisco Light Ship were flow...

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Bibliographic Details
Main Authors: Edgerton,A. T., Trexler,D. T., Poe,G. A., Stogryn,A., Sakamoto,S.
Other Authors: AEROJET-GENERAL CORP EL MONTE CALIF MICROWAVE DIV
Format: Text
Language:English
Published: 1970
Subjects:
Physical and Dynamic Oceanography
(*MICROWAVES
MEASUREMENT)
(*OCEAN WAVES
REFLECTIVITY)
(*OCEANOGRAPHY
AERIAL RECONNAISSANCE)
BRIGHTNESS
TEMPERATURE
POWER SPECTRA
SEDIMENTATION
SEA ICE
CALIFORNIA
*REMOTE SENSING
Sea ice
Online Access:http://www.dtic.mil/docs/citations/AD0715645
http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=AD0715645
Description
Summary:Airborne measurements were conducted off the Northern California coast to investigate microwave emission as a function of wave conditions. The measurements were performed at observational wavelengths of 21 and 0.81 cm. A series of rosette patterns centered near the San Francisco Light Ship were flown to acquire data parallel and perpendicular to the swell line. Sea surface and meteorological conditions were monitored by the light ship. The data have been analyzed in terms of changes in the average brightness temperature due to variations in the surface roughness and direction of propagation of the swell line relative to the aircraft flight path. Power spectral density analyses have been performed to determine if periodic variations in the microwave emission can be related to the period of the predominant wave structure. Measurements were taken at various altitudes and of a variety of sea states. (Author)

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