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Documentation

CryosphereComputing

by Nico Sun

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

Full Year & Sea Ice Compaction Graphs Data download
lowests minimum: 2.241 (2012), 2.477 (2016)
lowests maximum = 12.668 (2016), 12.761 (2017)

Antarctic Sea Ice

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)

Northern Hemisphere Snow Cover

last 10 day animation

Freezing Degree Days

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 - 201. http://ocean.dmi.dk/arctic/meant80n.uk.php

CONTACT

Any questions? Drop a note!

Email: cryocomputing@gmail.com