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

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Revised manuscript accepted for TC
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Cited articles

Abdalati, W., Zwally, H. J., Bindschadler, R., Csatho, B., Farrell, S. L., Fricker, H. A., Harding, D., Kwok, R., Lefsky, M., Markus, T., Marshak, A., Neumann, T., Palm, S., Schutz, B., Smith, B., Spinhirne, J., and Webb, C.: The ICESat-2 Laser Altimetry Mission, P. IEEE, 98, 735–751,, 2010. a
Berglund, R. and Eriksson, P. B.: National ice service operations and products around the world, chap. 5.2, in: Cold Regions Science and Marine Technology, edited by: Shen, H., Encyclopedia of Life Support Systems, 2015. a
BIM: Baltic Sea Icebreaking Report 2018–2019, Tech. rep., Baltic Icebreaking Management (BIM), available at: Final Report 2019.pdf (last access: 1 April 2020), 2019. a, b, c, d
Brown, M. E., Arias, S. D., Neumann, T., Jasinksi, M. F., Posey, P., Babonis, G., Glenn, N. F., Birkett, C. M., Escobar, V. M., and Markus, T.: Applications for ICESat-2 Data, IEEE Geosci. Remote Sens. Magazine, 24–37,, 2016. a, b
Brunt, K. M., Neumann, T. A., and Smith, B. E.: Assessment of ICESat-2 Ice Sheet Surface Heights, Based on Comparisons Over the Interior of the Antarctic Ice Sheet, Geophys. Res. Lett., 46, 13072–13078,, 2019. a, b
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.