Duplicating previous announced material. Thought it may be interesting to know NSIDC is working to keep us happy.
It's offical now.
Received a new E-Mail "alert" from NSIDC User Services: nsidc( a- t )kryos.colorado.edu
Announcing a NEW Daily Extent Archive in .CSV format, can be used in a SpreadSheet,
which Neven had already placed on Daily Graphs Page at
After following links at http://nsidc.org/data/seaice_index/ eventually get to
Sea Ice Index Update Tue, Aug 14, 2012 4:02 pm
From NSIDC User Services: nsidc( a-t )kryos.colorado.edu
NSIDC is pleased to announce that the Sea Ice Index data archive now has daily
as well as monthly sea ice extent values for the Northern and Southern
Hemispheres. The product documentation has also been updated to include an
explanation of how these are derived and to give a clearer and complete
description of all Sea Ice Index products. The documentation now includes the
-Flow charts to facilitate understanding of the data processing steps.
-Explanation on how the median edge position is determined and why it is used.
The median edge is the pink line on the monthly extent images and the orange
line on the daily extent images.
-Clearer explanation of coverage and resolution.
-More information on data accuracy.
-Explanation on how to use the Browse Image Spreadsheet Tool (BIST) to quickly
compare images from past years.
-A short section on how the product has evolved, from 2002 to 2012.
To access the data and the new documentation, see the Sea Ice Index Web site at:
If you have questions, please contact NSIDC's User Services Office at
nsidc( a-t ) nsidc.org.
NSIDC User Services --
NSIDC User Services Phone: +1 303-492-6199
CIRES, 449 UCB Fax: +1 303-492-2468
University of Colorado Email: nsidc( a-t )nsidc.org
Boulder, CO 80309-0449, USA WWW URL: http://nsidc.org
National Snow and Ice Data Center * Distributed Active Archive Center
* World Data Center for Glaciology, Boulder *