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VEMAP 1: U.S. SOIL

Entry ID: VEMAP_1_SOIL

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Summary

Abstract: The Vegetation/Ecosystem Modeling and Analysis Project (VEMAP) is an ongoing multiinstitutional, international effort addressing the response of biogeography and biogeochemistry to environmental variability in climate and other drivers in both space and time domains. The objectives of VEMAP are the intercomparison of biogeochemistry models and vegetationtype distribution models (biogeography ... models) and determination of their sensitivity to changing climate, elevated atmospheric carbon dioxide concentrations, and other sources of altered forcing. Soil properties were based on a 10-km gridded EPA soil database developed by Kern (1994, 1995). Two soil coverages are provided in the Kern data set: one from the USDA Soil Conservation Service (SCS) national soil database (NATSGO) and the other from the United Nations Food and Agriculture Organization soil database (FAO 1974- 78). Only the SCS NATSGO soils are included in the VEMAP set. Physical consistency in soils data was incorporated by representing a grid cell's soil by a set of dominant (modal) soil profiles, rather than by a simple average of soil properties. Because soil processes, such as soil organic matter turnover and water balance, are non-linearly related to soil texture and other soil parameters, simulations based on dominant soil profiles and their frequency distribution can account for soil dynamics that would be lost if averaged soil properties were used. To spatially aggregate Kern data to the 0.5 degree grid, we used cluster analysis to group the subgrid 10-km elements into up to 4 modal soil catagories (Kittel et al. 1995). In this statistical approach, cell soil properties are represented by the set of modal soils, rather than by an "average soil." We also provide cell- averaged soil data. Please see the associated Data Set Revision page for an explanation of recent changes made to this data set. A complete users guide to the VEMAP Phase I database which includes more information about this data set can be found at ftp://daac.ornl.gov/data/vemap-1/comp/Phase_1_User_Guide.pdf. ORNL DAAC maintains additional information associated with the VEMAP Project. Data Citation: This data set should be cited as follows: Kittel, T. G. F., N. A. Rosenbloom, T. H. Painter, D. S. Schimel, H. H. Fisher, A. Grimsdell, VEMAP Participants, C. Daly, and E. R. Hunt, Jr. 2002. VEMAP Phase I Database, revised. Available on-line from Oak Ridge National Laboratory Distributed Active Archive Center, Oak Ridge, Tennessee, U.S.A.

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Description: VEMAP 1: U.S. SOIL

Geographic Coverage

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Spatial coordinates

N: 49.0

S: 25.0

E: -67.0

W: -124.5

Data Set Citation

Dataset Originator/Creator: DALY, C.FISHER, H.H.GRIMSDELL, A.HUNT, E.R.KITTEL, T.G.F.PAINTER, T.H.ROSENBLOOM, N.A.SCHIMEL, D.S.VEMAP PARTICIPANTS

Dataset Title: VEMAP 1: U.S. SOIL

Dataset Release Date: 2002

Dataset Release Place: Oak Ridge, Tennessee, U.S.A.

Dataset Publisher: Oak Ridge National Laboratory Distributed Active Archive Center

Data Presentation Form: Online Files

Dataset DOI: doi:10.3334/ORNLDAAC/227

Online Resource: http://mercury.ornl.gov/ornldaac/send/query?term2=227&term2attribut...

Temporal Coverage

Start Date: 1961-01-01

Stop Date: 1990-12-31

Location Keywords

CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA

Science Keywords

BIOSPHERE > VEGETATION > CANOPY CHARACTERISTICS

CRYOSPHERE > SNOW/ICE > SNOW COVER

ISO Topic Category

BIOTA

ELEVATION

GEOSCIENTIFIC INFORMATION

INLAND WATERS

Project

EOSDIS > Earth Observing System Data Information System

ESIP > Earth Science Information Partners Program

CLPX > Cold Land Processes Field Experiment

Quality Data has undergone a full QC.

Access Constraints Accessible only by CLPX approved investigators until April 2004.

Ancillary Keywords

Snow

Snow Accumulation

Data Set Progress

COMPLETE

Data Center

NSIDC Distributed Active Archive Center

Data Center URL: http://nsidc.org/daac/index.html
Dataset ID: NSIDC-0175

Data Center Personnel
Name: NSIDC USER SERVICES Phone: +1 (303) 492-6199 Fax: +1 (303) 492-2468 Email: nsidc at nsidc.org Contact Address: National Snow and Ice Data Center CIRES, 449 UCB University of Colorado City: Boulder Province or State: CO Postal Code: 80309-0449 Country: USA

National Snow and Ice Data Center

Data Center URL: http://nsidc.org
Dataset ID: NSIDC-0175

Data Center Personnel
Name: NSIDC USER SERVICES Phone: +1 (303) 492-6199 Fax: +1 (303) 492-2468 Email: nsidc at nsidc.org Contact Address: National Snow and Ice Data Center CIRES, 449 UCB University of Colorado City: Boulder Province or State: CO Postal Code: 80309-0449 Country: USA

Distribution

Distribution Media: FTP

Distribution Format: ASCII

Personnel

KELLY ELDER

Role: INVESTIGATOR

Phone: 970 498 1233

Fax: 970 498 1212

Email: kelder at fs.fed.us

Contact Address:

USFS RMRS

Rocky Mountain Research Station

USDA Forest Service

240 West Prospect Road

City: Fort Collins

Province or State: CO

Postal Code: 80526

DON CLINE

Role: INVESTIGATOR

Phone: 952 361 6610 x252

Fax: 952 361 6634

Email: cline at nohrsc.nws.gov

Contact Address:

National Weather Service

National Operational Hydrologic Remote Sensing Center

1735 Lake Drive W.

City: Chanhassen

Province or State: MN

Postal Code: 55317

NSIDC USER SERVICES

Role: TECHNICAL CONTACT

Phone: +1 (303) 492-6199

Fax: +1 (303) 492-2468

Email: nsidc at nsidc.org

Contact Address:

National Snow and Ice Data Center

CIRES, 449 UCB

University of Colorado

City: Boulder

Province or State: CO

Postal Code: 80309-0449

Country: USA

Extended Metadata Properties

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Creation and Review Dates

DIF Creation Date: 2003-08-12

Last DIF Revision Date: 2012-05-14

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