Iceberg size and orientation estimation using SeaWinds

From 1999 to 2009, the SeaWinds scatterometer has been used to detect and track large Antarctic icebergs on a daily basis. Here, we develop an automated estimation algorithm to supplement iceberg position reports with estimates of the iceberg's major axis length, minor axis length, and angle of...

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Published in2010 IEEE International Geoscience and Remote Sensing Symposium pp. 2394 - 2397
Main Authors Stuart, K M, Long, D G
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.07.2010
Subjects
Backscatter
estimation
Ice
Maximum likelihood estimation
Radar measurements
radar scattering
Sea measurements
Shape
Online AccessGet full text
ISBN1424495652
9781424495658
ISSN2153-6996
DOI10.1109/IGARSS.2010.5652882

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Abstract From 1999 to 2009, the SeaWinds scatterometer has been used to detect and track large Antarctic icebergs on a daily basis. Here, we develop an automated estimation algorithm to supplement iceberg position reports with estimates of the iceberg's major axis length, minor axis length, and angle of orientation. A maximum-likelihood objective function that relates measured backscatter to model-based simulated backscatter is developed. The utility of the estimation approach is analyzed in simulation and via a case study of iceberg A22a. Subsequent results agree with and supplement reports compiled by the United States National Ice Center.
AbstractList From 1999 to 2009, the SeaWinds scatterometer has been used to detect and track large Antarctic icebergs on a daily basis. Here, we develop an automated estimation algorithm to supplement iceberg position reports with estimates of the iceberg's major axis length, minor axis length, and angle of orientation. A maximum-likelihood objective function that relates measured backscatter to model-based simulated backscatter is developed. The utility of the estimation approach is analyzed in simulation and via a case study of iceberg A22a. Subsequent results agree with and supplement reports compiled by the United States National Ice Center.
Author Long, D G
Stuart, K M
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  organization: MERS Lab., Brigham Young Univ., Provo, UT, USA
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Snippet From 1999 to 2009, the SeaWinds scatterometer has been used to detect and track large Antarctic icebergs on a daily basis. Here, we develop an automated...
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StartPage 2394
SubjectTerms Backscatter
estimation
Ice
Maximum likelihood estimation
Radar measurements
radar scattering
Sea measurements
Shape
Title Iceberg size and orientation estimation using SeaWinds
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