Articles | Volume 15, issue 3
Ocean Sci., 15, 615–630, 2019
https://doi.org/10.5194/os-15-615-2019

Special issue: The Copernicus Marine Environment Monitoring Service (CMEMS):...

Ocean Sci., 15, 615–630, 2019
https://doi.org/10.5194/os-15-615-2019

Research article 29 May 2019

Research article | 29 May 2019

Validation metrics for ice edge position forecasts

Arne Melsom et al.

Data sets

Copernicus – Marine environment monitoring service E.U. Copernicus Marine Service Information/Norwegian Ice Service – MET Norway http://marine.copernicus.eu/services-portfolio/access-to-products/?option=com_csw&view=details&product_id=SEAICE_ARC_SEAICE_L4_NRT_OBSERVATIONS_011_002

Copernicus – Marine environment monitoring service E.U. Copernicus Marine Service Information/EUMETSAT http://marine.copernicus.eu/services-portfolio/access-to-products/?option=com_csw&view=details&product_id=SEAICE_GLO_SEAICE_L4_NRT_OBSERVATIONS_011_001

TOPAZ4 Ocean Physical Fields Norwegian Meteorological Institute http://thredds.met.no/thredds/myocean/ARC-MFC/myoceanv2-class1-arctic.html

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Short summary
Retreating sea ice in the Arctic Ocean gives rise to increased naval traffic with shorter navigation distances. Hence, information about the position of the sea ice edge is crucial for safe navigation. In the present study we explore methods for examining the quality of sea ice edge forecasts. We conclude that the forecast quality can be monitored with results from a set of four quantities. We also recommend the use of maps which display discrepancies in the positions of the sea ice edge.