Polarimetric and interferometric features of oyster farming structures in coastal area

Seung Kuk Lee, Joong Sun Won

Research output: Contribution to journalConference article

Abstract

Oyster farms are well detected by SAR. Characteristics of polarimetric features of the oyster farming structures are presented in this paper. The results of AIRSAR L-band POLSAR data and experiments in laboratory are discussed. HH- and VV-polarized signals showed strongly returns from the target area in the AIRSAR image. The ratio of single bounce to double bounce scattering depends of vertical pole height, direction of horizontal pole to azimuth pass, and incidence angle as well as sea surface conditions. Radar returns from vertical poles are stronger than those from horizontal poles by 10.5 dB. Single bounce components are as strong as double bounce components and more sensitive to antenna look direction. Double bounce shows linear relation with height of vertical poles, which implies double bounced components are more useful to determine water level than total power. L-band HH-polarization generally produces strong radar returns among the three polarizations. Double bounce is main scattering mechanism in oyster farms standing above seawater, while single bounce is stronger than double bounce when bottom surface is exposed to air.

Original languageEnglish
Pages (from-to)165-171
Number of pages7
JournalEuropean Space Agency, (Special Publication) ESA SP
Issue number586
Publication statusPublished - 2005 Aug 29

Fingerprint

Poles
poles
polarization
scattering
radar
farm
azimuth
antenna
ultrahigh frequencies
sea surface
synthetic aperture radar
water level
Farms
seawater
Radar
Scattering
Polarization
air
Water levels
Seawater

All Science Journal Classification (ASJC) codes

  • Aerospace Engineering
  • Space and Planetary Science

Cite this

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title = "Polarimetric and interferometric features of oyster farming structures in coastal area",
abstract = "Oyster farms are well detected by SAR. Characteristics of polarimetric features of the oyster farming structures are presented in this paper. The results of AIRSAR L-band POLSAR data and experiments in laboratory are discussed. HH- and VV-polarized signals showed strongly returns from the target area in the AIRSAR image. The ratio of single bounce to double bounce scattering depends of vertical pole height, direction of horizontal pole to azimuth pass, and incidence angle as well as sea surface conditions. Radar returns from vertical poles are stronger than those from horizontal poles by 10.5 dB. Single bounce components are as strong as double bounce components and more sensitive to antenna look direction. Double bounce shows linear relation with height of vertical poles, which implies double bounced components are more useful to determine water level than total power. L-band HH-polarization generally produces strong radar returns among the three polarizations. Double bounce is main scattering mechanism in oyster farms standing above seawater, while single bounce is stronger than double bounce when bottom surface is exposed to air.",
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Polarimetric and interferometric features of oyster farming structures in coastal area. / Lee, Seung Kuk; Won, Joong Sun.

In: European Space Agency, (Special Publication) ESA SP, No. 586, 29.08.2005, p. 165-171.

Research output: Contribution to journalConference article

TY - JOUR

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AU - Lee, Seung Kuk

AU - Won, Joong Sun

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AB - Oyster farms are well detected by SAR. Characteristics of polarimetric features of the oyster farming structures are presented in this paper. The results of AIRSAR L-band POLSAR data and experiments in laboratory are discussed. HH- and VV-polarized signals showed strongly returns from the target area in the AIRSAR image. The ratio of single bounce to double bounce scattering depends of vertical pole height, direction of horizontal pole to azimuth pass, and incidence angle as well as sea surface conditions. Radar returns from vertical poles are stronger than those from horizontal poles by 10.5 dB. Single bounce components are as strong as double bounce components and more sensitive to antenna look direction. Double bounce shows linear relation with height of vertical poles, which implies double bounced components are more useful to determine water level than total power. L-band HH-polarization generally produces strong radar returns among the three polarizations. Double bounce is main scattering mechanism in oyster farms standing above seawater, while single bounce is stronger than double bounce when bottom surface is exposed to air.

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