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Ron Kwok
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RADARSAT-1 has provided over eleven years of near-uninterrupted 3-day snapshots of the Arctic Ocean ice cover. In this project the SAR imagery from RADARSAT-1 is used to track the sea ice on a high-resolution grid to produce a data set of small-scale kinematics and deformation. This data set has contributed significantly to sea ice science in: the development of new approaches for modeling the mechanical behavior of sea ice and the validation of these models; the characterization of the sub-daily ice motion; a description of the seasonal and regional variability of sea ice deformation; the validation of ICESat freeboard algorithms; and, the estimates of sea ice exchange between the Arctic Ocean and the peripheral seas.

We are processing the data stream:
1) to construct a near decadal record of small-scale ice motion of the Arctic Ocean
2) to produce a record of ice motion of the northern Bering Sea
3) to assemble bi-weekly high-resolution image mosaics of the Arctic Ocean

 

This work is supported by the MEaSUREs Projects | Earthdata. MEaSUREs (Making Earth Science Data Records for Use in Research Environments) supports the NASA Earth Science research community in providing Earth science data products and services driven by NASA’s Earth Science goals. MEaSUREs projects focus on the creation of Earth System Data Records (ESDRs), including Climate Data Records. An ESDR is defined as a unified and coherent set of observations of a given parameter of the Earth system, which is optimized to meet specific requirements in addressing science questions. These records are critical to understanding Earth System processes, to assessing variability, long-term trends, and change in the Earth System, and to provide input and validation means to modeling efforts.



Mail to: Ronald Kwok