[Keyword='Active Layer Depth']
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Time Series of Active Layer Thickness in the Russian Arctic, 1930-1990
Entry ID:
ARCSS160
Summary
Abstract:
This data set consists of active layer thickness (ALT) measurements based on soil temperatures in the Russian Arctic. The active layer is the top layer of ground that freezes in the winter and thaws in the summer over permafrost. Changes in ALT over northern high-latitude permafrost regions have important impacts on the surface energy balance, hydrologic cycle, carbon exchange between the atmosphere and the land surface, plant growth, and ecosystem as a whole. Warming may thicken the active layer and induce permafrost thaw. Investigators collected data from 31 ground-based stations. Derived from monthly averages, the record includes annual maximum active layer depths from 1930 to 1990. Data are in tab-delimited ASCII text format and are available via FTP.
Geographic Coverage
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Spatial coordinates
Data Set Citation
Dataset Originator/Creator:
Tingjun Zhang
Dataset Title:
Time Series of Active Layer Thickness in the Russian Arctic, 1930-1990
Dataset Release Date:
2006-02-15
Dataset Release Place:
Boulder, CO, USA
Dataset Publisher:
National Snow and Ice Data Center (NSIDC)
Online Resource:
http://nsidc.org/data/arcss160.html
Temporal Coverage
Start Date:
1930-01-01
Stop Date:
1990-12-31
Location Keywords
Science Keywords
ISO Topic Category
Project
Quality
The data are provisional and subject to change as model improvements are implemented and new input data sets become available.
Access Constraints
None
Use Constraints
None
Ancillary Keywords
Data Set Progress
IN WORK
Data Center
Distribution
Distribution Media:
Online (HTTP)
Distribution Format:
GRIB
Fees:
No Fee
Personnel
Role:
TECHNICAL CONTACT
Phone:
301-614-5224
Fax:
301-614-5268
Email:
gsfc-help-disc at lists.nasa.gov
Contact Address:
Goddard Earth Sciences Data and Information Services Center
Code 610.2
NASA Goddard Space Flight Center
City:
Greenbelt
Province or State:
MD
Postal Code:
20771
Country:
USA
Publications/References
Xia, Y., K. Mitchell, M. Ek, J. Sheffield, B. Cosgrove, E. Wood, L. Luo, C. Alonge, H. Wei, J. Meng, B. Livneh, D. Lettenmaier, V. Koren, Q. Duan, K. Mo, Y. Fan, and D. Mocko, (2012), Continental-scale water and energy flux analysis and validation for the North American Land Data Assimilation System project phase 2 (NLDAS-2): 1. Intercomparison and application of model products, J. Geophys. Res., 117, D03109, doi:10.1029/2011JD016048.
Koster, R., and M. Suarez (1994), The components of the SVAT scheme and their effects on a GCM's hydrological cycle, Adv. Water Resour., 17, 61-78, doi:10.1016/0309-1708(94)90024-8. Koster, R., and M. Suarez (1996), Energy and water balance calculations in the Mosaic LSM, NASA Tech. Memo., NASA TM-104606, vol. 9, 60 pp. Extended Metadata Properties
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Creation and Review Dates
DIF Creation Date:
2012-09-07
Last DIF Revision Date:
2012-11-01
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