Assessment of AMSR2 Ice Extent and Ice Edge in the Arctic Using IMS

This work assesses the AMSR2 (the Advanced Microwave Scanning Radiometer 2) ice extent and ice edge in the Arctic using the ice extent products of NOAA’s Interactive Multisensor Snow and Ice Mapping System (IMS) from the period of July 2015 to July 2019. Daily values and monthly means of four statis...

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Bibliographic Details
Published in:Remote Sensing
Main Authors: Yinghui Liu, Sean Helfrich, Walter N. Meier, Richard Dworak
Format: Text
Language:English
Published: Multidisciplinary Digital Publishing Institute 2020
Subjects:
sea ice
sea ice extent
sea ice edge
AMSR2
IMS
Arctic
Arctic Ocean
Hanssen
Chukchi
Sea ice
Online Access:https://doi.org/10.3390/rs12101582
Description
Summary:This work assesses the AMSR2 (the Advanced Microwave Scanning Radiometer 2) ice extent and ice edge in the Arctic using the ice extent products of NOAA’s Interactive Multisensor Snow and Ice Mapping System (IMS) from the period of July 2015 to July 2019. Daily values and monthly means of four statistical scores (hit rate, false alarm ratio, false alarm rate, and Hanssen-Kuiper Skill Score) over the Arctic Ocean show distinct annual cycles. IMS ice edges often extend further south compared to those from AMSR2, with up to 100 km differences over the Beaufort, Chukchi, and East Siberian Seas in August and September.

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