Abstract
Freeze/Thaw (F/T) surface state detection and imaging has been demonstrated as a capability of NASA's Cyclone Global Navigation Satellite System (CYGNSS) mission. The objective of the research presented here is the application of an existing F/T retrieval algorithm to multiple target areas over several years in order to demonstrate the ability to provide long term trending of F/T behavior. Metrics are developed and evaluated to characterize F/T trends related to global warming. They include the annual fraction of time spent frozen and thawed as a function of location and year, and the earliest Fall freeze and earliest Spring thaw as a function of location and year. The results demonstrate the capability of Global Navigation Satellite Systems Reflectometry (GNSS-R) to provide long term trending of F/T behavior relevant to studies of climate change.
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Schedule a callMore From: IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
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