Sea Ice Detection Using GNSS-R Data From TechDemoSat-1

Cartwright, Jessica, Banks, Christopher J ORCID: 0000-0003-4457-0876 and Srokosz, Meric (2019) Sea Ice Detection Using GNSS-R Data From TechDemoSat-1. JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS, 124 (8). pp. 5801-5810.

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Official URL: http://dx.doi.org/10.1029/2019jc015327

Abstract

<jats:title>Abstract</jats:title><jats:p>A new method for the detection of sea ice using GNSS‐R (Global Navigation Satellite Systems Reflectometry) is presented and applied to 33 months of data from the U.K. TechDemoSat‐1 mission. This method of sea ice detection shows the potential for a future GNSS‐R polar mission, attaining an agreement of over 98% and 96% in the Antarctic and Arctic, respectively, when compared to the European Space Agency's Climate Change Initiative sea ice concentration product. The algorithm uses a combination of two parameters derived from the delay‐Doppler Maps to quantify the spread of power in delay and Doppler. Application of thresholds then allows sea ice to be distinguished from open water. Differences between the TechDemoSat‐1 sea ice detection and comparison data sets are explored. The results provide information on the seasonal and multiyear changes in sea ice distribution of the Arctic and Antarctic. Future potential and applications of this technique are discussed.</jats:p>

Item Type:	Article
Uncontrolled Keywords:	Global Navigation Satellite Systems Reflectometry (GNSS-R), sea ice, sea ice detection, delay-Doppler map, TechDemoSat-1, remote sensing
Depositing User:	Symplectic Admin
Date Deposited:	04 Dec 2019 14:06
Last Modified:	18 Sep 2023 14:51
DOI:	10.1029/2019JC015327
Open Access URL:	https://doi.org/10.1029/2019JC015327
Related URLs:	Author Publisher
URI:	https://livrepository.liverpool.ac.uk/id/eprint/3064787