Derksen, C.

Kim, Youngwook

Kimball, John S

Robinson, David A.

English

University of Montana

University of Montana ScholarWorks at University of Montana Numerical Terradynamic Simulation Group Publications Numerical Terradynamic Simulation Group 2015 New F/T ESDR Summary Quad Chart: Integrated Satellite Data Records Reveal Strong Coupling Between Recent Pan-Arctic Frozen Season and Snow Cover Changes Youngwook Kim John S. Kimball University of Montana - Missoula David A. Robinson State University of New Jersey C. Derksen Follow this and additional works at: https://scholarworks.umt.edu/ntsg_pubs Let us know how access to this document benefits you. Recommended Citation Kim, Youngwook; Kimball, John S.; Robinson, David A.; and Derksen, C., "New F/T ESDR Summary Quad Chart: Integrated Satellite Data Records Reveal Strong Coupling Between Recent Pan-Arctic Frozen Season and Snow Cover Changes" (2015). Numerical Terradynamic Simulation Group Publications. 368. https://scholarworks.umt.edu/ntsg_pubs/368 This Poster is brought to you for free and open access by the Numerical Terradynamic Simulation Group at ScholarWorks at University of Montana. It has been accepted for inclusion in Numerical Terradynamic Simulation Group Publications by an authorized administrator of ScholarWorks at University of Montana. For more information, please contact scholarworks@mso.umt.edu. MEaSUREs Making Earth Science Data Records for Use in Research Environments Integrated Satellite Data Records Reveal Strong Coupling Between Recent Pan-Arctic Frozen Season & Snow Cover Changes Project: Continuity & Enhancement of the Freeze/Thaw ESDR Satellite data used: Freeze/Thaw ESDR from NOAA DMSP SSM/I & SMMR; NOAA snow chart CDR from combined visible band sensors including NASA EOS MODIS, NOAA AVHRR; Method: Integrated analysis of satellite environmental data records documenting frozen (FR) season & snow cover extent (SCE) changes from 1979 to 2011 over the pan-Arctic;  Findings: 1) Longer annual snowmelt season from 1.3 to 3.3 days decade-1 (p<0.01) is occurring largely in autumn & coinciding with regional warming; 2) duration of frozen ground in the absence of insulating snow cover is declining up to 1.3 days decade-1 & occurring primarily at lower latitudes; 3) results indicate widespread changes to northern ecosystems from continued climate warming, including changes to snow, soil & permafrost. Snowmelt trend Frozen ground trend Youngwook Kim, J. S. Kimball, D. A. Robinson, and C. Derksen, 2015. ERL 10, 084004 Mean frozen ground duration (weeks) Mean annual snowmelt season (weeks) weeks/decade 

New F/T ESDR Summary Quad Chart: Integrated Satellite Data Records Reveal Strong Coupling Between Recent Pan-Arctic Frozen Season and Snow Cover Changes

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New F/T ESDR Summary Quad Chart: Integrated Satellite Data Records Reveal Strong Coupling Between Recent Pan-Arctic Frozen Season and Snow Cover Changes

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