Considerations for Microwave Remote Sensing of Ocean-Surface Salinity

Parametric calculations of the microwave emission from the ocean surface are presented to determine the optimum electromagnetic wavelength for measuring salinity. At 800 MHz, a target accuracy of 240 parts per million is within the state of the art provided that emission due to surface roughness is...

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Bibliographic Details
Published inIEEE transactions on geoscience and remote sensing Vol. GE-21; no. 4; pp. 480 - 491
Main Authors Swift, Calvin T., Mcintosh, Robert E.
Format Journal Article
LanguageEnglish
Published New York, NY IEEE 01.10.1983
Institute of Electrical and Electronics Engineers
Subjects
Antenna measurements
Earth, ocean, space
Electromagnetic radiation
Electromagnetic scattering
electromagnetic waves
Exact sciences and technology
External geophysics
Marine
microwaves
oceanography
Oceans
Physical and chemical properties of sea water
Physics of the oceans
Remote sensing
Rough surfaces
salinity measurement
Sea measurements
Sea surface
Surface roughness
Surface waves
wavelengths
Microwave
Surface film
Measurement method
Remote sensing
Seawater
Salinity
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Summary:Parametric calculations of the microwave emission from the ocean surface are presented to determine the optimum electromagnetic wavelength for measuring salinity. At 800 MHz, a target accuracy of 240 parts per million is within the state of the art provided that emission due to surface roughness is negligible, or correctable, and that the error resulting from galactic radiation can be removed using an upward-looking antenna. Examples of salinity measurements relevant to physical oceanography are presented, and a possible spacecraft University of Massachusetts, Amherst, MA 01003.system is discussed.
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ISSN:0196-2892
1558-0644
DOI:10.1109/TGRS.1983.350511