The Cryosphere
The Cryosphere
TC
Articles | Volume 15, issue 6
Articles | Volume 15, issue 6
https://doi.org/10.5194/tc-15-2511-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/tc-15-2511-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 15, issue 6
Research article
 | 
02 Jun 2021
Research article |  | 02 Jun 2021

Estimation of degree of sea ice ridging in the Bay of Bothnia based on geolocated photon heights from ICESat-2

Renée Mie Fredensborg Hansen, Eero Rinne, Sinéad Louise Farrell, and Henriette Skourup

Data sets

ATLAS/ICESat-2 L2A Global Geolocated Photon Data, Version 2 T. Neumann, A. Brenner, D. Hancock, S. Lutchke, J. Lee, J. Robbins, K. Harbeck, J. Saba, K. Brunt, A. Gibbons, J. Saba, K. Brunt and ICESat-2 Science Team https://doi.org/10.5067/ATLAS/ATL03.002

ASF Data Search NASA EarthData https://search.asf.alaska.edu/#/

HELCOM Map And Data Service HELCOM http://maps.helcom.fi/website/mapservice/

reneefredensborg/DIR-from-IS2: Estimating elevation anomalies (ridge sails) and degree of ice ridging (DIR) from ICESat-2 (IS2) (Version v1.1) R. M. Fredensborg Hansen https://doi.org/10.5281/zenodo.4636435

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Short summary
Ice navigators rely on timely information about ice conditions to ensure safe passage through ice-covered waters, and one parameter, the degree of ice ridging (DIR), is particularly useful. We have investigated the possibility of estimating DIR from the geolocated photons of ICESat-2 (IS2) in the Bay of Bothnia, show that IS2 retrievals from different DIR areas differ significantly, and present some of the first steps in creating sea ice applications beyond e.g. thickness retrieval.
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