Active and Passive Remote Sensing of Ice.
During the period August 1, 1986 to January 31, 1987, we have studied the volume scattering effects of snow-covered sea ice with a three-layer random medium model for microwave remote sensing. The strong fluctuation theory and the bilocal approximation are applied to calculate the effective permitti...
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ftdtic:ADA179461 2023-05-15T16:37:10+02:00 Active and Passive Remote Sensing of Ice. Kong, Jin A MASSACHUSETTS INST OF TECH CAMBRIDGE RESEARCH LAB OF ELECTRONICS 1987-01-31 text/html http://www.dtic.mil/docs/citations/ADA179461 http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA179461 en eng http://www.dtic.mil/docs/citations/ADA179461 APPROVED FOR PUBLIC RELEASE DTIC AND NTIS Snow Ice and Permafrost Active & Passive Radar Detection & Equipment *BACKSCATTERING *ICE *RADAR CROSS SECTIONS *REMOTE DETECTORS *SEA ICE *BISTATIC DETECTION VOLUME SCATTERING LAYERS THEORY SCATTERING CROSS SECTIONS PASSIVE SYSTEMS MICROWAVES VARIATIONS SNOW COVER COEFFICIENTS EMISSIVITY BISTATIC RADAR Text 1987 ftdtic 2016-02-21T03:21:04Z During the period August 1, 1986 to January 31, 1987, we have studied the volume scattering effects of snow-covered sea ice with a three-layer random medium model for microwave remote sensing. The strong fluctuation theory and the bilocal approximation are applied to calculate the effective permittivities for snow and sea ice. The wave scattering theory in conjunction with the distorted Born approximation is then used to compute bistatic coefficients and backscattering cross sections. Theoretical results are illustrated by matching experimental data for dry snow-covered thick first-year sea ice at Point Barrow. The radar backscattering cross sections are seen to increase with snow cover for snow-covered sear ice, due to the increased scattering effects in the snow layer. The results derived can also be applied to the passive remote sensing by calculating the emissivity from the bistatic scattering coefficients. Text Ice permafrost Point Barrow Sea ice Defense Technical Information Center: DTIC Technical Reports database |
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Open Polar |
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Defense Technical Information Center: DTIC Technical Reports database |
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ftdtic |
language |
English |
topic |
Snow Ice and Permafrost Active & Passive Radar Detection & Equipment *BACKSCATTERING *ICE *RADAR CROSS SECTIONS *REMOTE DETECTORS *SEA ICE *BISTATIC DETECTION VOLUME SCATTERING LAYERS THEORY SCATTERING CROSS SECTIONS PASSIVE SYSTEMS MICROWAVES VARIATIONS SNOW COVER COEFFICIENTS EMISSIVITY BISTATIC RADAR |
spellingShingle |
Snow Ice and Permafrost Active & Passive Radar Detection & Equipment *BACKSCATTERING *ICE *RADAR CROSS SECTIONS *REMOTE DETECTORS *SEA ICE *BISTATIC DETECTION VOLUME SCATTERING LAYERS THEORY SCATTERING CROSS SECTIONS PASSIVE SYSTEMS MICROWAVES VARIATIONS SNOW COVER COEFFICIENTS EMISSIVITY BISTATIC RADAR Kong, Jin A Active and Passive Remote Sensing of Ice. |
topic_facet |
Snow Ice and Permafrost Active & Passive Radar Detection & Equipment *BACKSCATTERING *ICE *RADAR CROSS SECTIONS *REMOTE DETECTORS *SEA ICE *BISTATIC DETECTION VOLUME SCATTERING LAYERS THEORY SCATTERING CROSS SECTIONS PASSIVE SYSTEMS MICROWAVES VARIATIONS SNOW COVER COEFFICIENTS EMISSIVITY BISTATIC RADAR |
description |
During the period August 1, 1986 to January 31, 1987, we have studied the volume scattering effects of snow-covered sea ice with a three-layer random medium model for microwave remote sensing. The strong fluctuation theory and the bilocal approximation are applied to calculate the effective permittivities for snow and sea ice. The wave scattering theory in conjunction with the distorted Born approximation is then used to compute bistatic coefficients and backscattering cross sections. Theoretical results are illustrated by matching experimental data for dry snow-covered thick first-year sea ice at Point Barrow. The radar backscattering cross sections are seen to increase with snow cover for snow-covered sear ice, due to the increased scattering effects in the snow layer. The results derived can also be applied to the passive remote sensing by calculating the emissivity from the bistatic scattering coefficients. |
author2 |
MASSACHUSETTS INST OF TECH CAMBRIDGE RESEARCH LAB OF ELECTRONICS |
format |
Text |
author |
Kong, Jin A |
author_facet |
Kong, Jin A |
author_sort |
Kong, Jin A |
title |
Active and Passive Remote Sensing of Ice. |
title_short |
Active and Passive Remote Sensing of Ice. |
title_full |
Active and Passive Remote Sensing of Ice. |
title_fullStr |
Active and Passive Remote Sensing of Ice. |
title_full_unstemmed |
Active and Passive Remote Sensing of Ice. |
title_sort |
active and passive remote sensing of ice. |
publishDate |
1987 |
url |
http://www.dtic.mil/docs/citations/ADA179461 http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA179461 |
genre |
Ice permafrost Point Barrow Sea ice |
genre_facet |
Ice permafrost Point Barrow Sea ice |
op_source |
DTIC AND NTIS |
op_relation |
http://www.dtic.mil/docs/citations/ADA179461 |
op_rights |
APPROVED FOR PUBLIC RELEASE |
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1766027462919061504 |