Microwave Remote Sensing of Sea Ice

Gray, Alistair

doi:10.1007/978-1-4613-3315-9_92

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Altimeter Parameters Over East Greenland Pack Ice1

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1987

1991

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“…This is because often image brightness or grey-level alone is an insufficient classifier, since a single ice type may have surface roughness variations which can cause a wide range in radar backscatter. The addition of spatial variability characteristics of image brightness, or texture, improves classification accuracy (Gray 1981).…”

Section: Altimeter Parameters Over East Greenland Pack Icementioning

confidence: 99%

A comparison of Geosat altimeter and synthetic aperture radar measurements over east Greenland pack ice

Fetterer

Laxon

Johnson

1991

International Journal of Remote Sensing

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Altimetry over sea ice has attracted attention as a possible source of geophysical information. However, the interpretation of altimeter data records over ice has been hampered by a lack of high-resolution imagery for comparison. In this paper we compare Geosat altimeter data along a track over pack iceeast of Greenland with coincident synthetic aperture radar data obtained as part of the marginal ice zone experiment (MIZEX-87). Fuzzy-cluster analysis of altimeter pulse echo parameters delineates the marginal ice zone, pack ice and fast ice. Results demonstrate the possibilityof operational altimetry products for monitoring large-scale pack ice structure.

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Section: Altimeter Parameters Over East Greenland Pack Icementioning

confidence: 99%