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CryosphereComputing

by Nico Sun

NEW: Melt Freeze Dates over the decades

The Website is dedicated to monitoring and analysing changes in the polar regions. Current products include sea ice area & thickness, snow cover, high Arctic temperature data, ice sheet bedrock elevation and a quantification of ocean warming from reduced sea ice.

Arctic Sea Ice

Extent & Compaction Regional Area Regional Extent
lowests minimum: 2.241 (2012), 2.477 (2016)
lowests maximum = 12.668 (2016), 12.761 (2017)
Past Day(s): 1

Antarctic Sea Ice

Icebergs
lowest minimum = 1.246 (1993), 1.494 (2017)
lowests maximum = 14.162 (1986), 14.195 (2017)
highest minimum = 2.438 (2015)
highest maximum = 16.324 (2014)
Past Day(s): 1

Northern Hemisphere Snow Cover

Highest Anomaly = +6.57 (2002-10-15), +6.54 (2009-02-14)
Lowest Anomaly = -6.86 (2005-11-13), -5.73 (2001-11-23)
Animations & Statistics

Freezing Degree Days

FDD calculator
The graphs show the Freezing Degree days over the whole freezing season.
The sea ice thickness can be estimated based on the following formula (Lebedev 1938)
Thickness (cm) = 1.33 * FDD (°C)^0.58

Data used

Cavalieri, D. J., C. L. Parkinson, P. Gloersen, and H. J. Zwally. 1996, updated yearly. Sea Ice Concentrations from Nimbus-7 SMMR and DMSP SSM/I-SSMIS Passive Microwave Data, Version 1.1 Boulder, Colorado USA. NASA National Snow and Ice Data Center Distributed Active Archive Center. doi: https://doi.org/10.5067/8GQ8LZQVL0VL.

National Ice Center. 2008, updated daily. IMS Daily Northern Hemisphere Snow and Ice Analysis at 1 km, 4 km, and 24 km Resolutions, Version 1.1-1.3. Boulder, Colorado USA. NSIDC: National Snow and Ice Data Center. doi: https://doi.org/10.7265/N52R3PMC.

Daily Mean Temperatures in the Arctic 1958 - 202X. http://ocean.dmi.dk/arctic/meant80n.uk.php


CONTACT

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Email: cryocomputing@gmail.com