Computer analysis of ERS-1 and RADARSAT ScanSAR narrow images of Great Lakes ice cover using a supervised classification technique indicates that different ice types in the ice cover can be identified and mapped and that wind speed and direction can have a strong influence on the backscatter from open water.

Algorithm↗

NASA NTRS1998

Polarimetric C-band SAR Observations of Sea Ice in the Greenland Sea

The fully polarimetric EMISAR acquired C-band radar signatures of sea ice in the Greenland Sea during a campaign in March 1995. We present maps of polarimetric signatures over an area containing various kinds of ice and discuss the use of polarimetric SAR for identification of ice types and their geophysical characteristics.

Polarimetry↗

NASA NTRS1998

C-Band Polarimetric Backscatter Observations of Great Lakes Ice

Two experiments were carried out during the 1997 winter season across the Straits of Mackinac and Lake Superior. C-band radar backscatter signatures of various ice types and open water were measured.

Great↗

NASA NTRS1998

Change Monitoring of Antarctic Sea Ice Using NSCAT Dual-Polarized Backscatter Measurements

Polar sea ice characteristics and the timing of seasonal transitions are important parameters in the study of polar processes and climate changes.

antarctic↗

NASA NTRS1998

Remote Sensing of Sea Ice Surface Thermal States Under Cloud Cover

It is necessary to know sea ice surface thermal states under cloud cover to evaluate cloud effects in the overall climatic feedback mechanisms in polar regions.

remote↗

NASA NTRS1998

Algorithm Development for Satellite Synthetic Aperture Radar (SAR) Classification and Mapping of Great Lakes Ice Cover

UNKNOWN

Algorithm↗

NASA NTRS1998

Polarimetric C-band SAR Observations of Sea Ice in the Greenland Sea

UNKNOWN

polarimetric↗

NASA NTRS1998

Variablility of Fram Strait Ice Flux

We estimate the winter sea ice export through the Fram Strait using ice motion from satellite passive microwave data. Sea ice motion (October through May)is obtained by tracking the displacement of common features in sequential 85 GHz and 37 GHz brightness temperature fields.

Fram Strait Ice Flux North Atlantic Oscillation↗

NASA NTRS1998

Inverse Electromagnetic Scattering Models for Sea Ice

Inverse scattering algorithms for reconstructing the physical properties of sea ice from scattered electromagnetic field data are developed.

Electromagnetic↗

NASA NTRS1998

Arctic Sea Ice Extent and Melt Onset from NSCAT Observations

Arctic sea ice extent and the timing of melt onset are important parameters in the study of polar processes and climate changes. NSCAT Ku-band active microwave observations of the Arctic sea ice cover are described in this article with emphasis on their potential use for estimating ice extent and detection of spring melt.

Arctic↗

NASA NTRS1998

Ice Flow in the Humboldt, Petermann, and Ryder Glaciers, North Greenland

Radar Interferometry, ice-penetrating radar profiles, and an elevation model are used to determine the catchment area, rates of ice discharge, and approximate states of balance for three large outlet glaciers in northeast Greenland.

interferometry↗

NASA NTRS1997

Laboratory Measurements of Sea Ice: Connections to Microwave Remote Sensing

The connections between laboratory measurements and remote sensing observations of sea ice are explored. The focus of this paper is on thin ice which is more easily simulated in a laboratory environment. We summarize results of C-band scatterometer measurements and discuss how they may help in the interpretation of remote sensing data.

remote↗

NASA NTRS1997

Ice Flux through Fram Strait from Passive Microwave Ice Motion

Explore the source record for details and available documents.

flux gate Greenland Svalbard west coast ULS datase↗

NASA NTRS1997

Weddell Sea Ice Motion from Passive Microwave Observations

Explore the source record for details and available documents.

Weddell Sea Ice microwave↗