CLPX-Ground: Sub-Canopy Energetics at the Local Scale Observation Site (LSOS)Entry ID: NSIDC-0170
Abstract: This data set consists of solar and longwave radiation data from beneath two pine canopies (one uniform, one discontinuous) at the Local Scale Observation Site (LSOS) of the Cold Land Processes Field Experiment (CLPX) in northern Colorado. The LSOS is a 100 x 100-m study site located within the Fraser Intensive Study Area (ISA). The study area has flat topography with both a dense pine stand and ... an open pine stand. Data were collected during February and March 2002 and 2003. This work addresses two of the overall CLPX questions: (1) How do the extent and evolution of snow and frozen landscapes affect fluxes, storage, and transformations of water, energy, and carbon? (2) At what scales does spatial variability of key state variables in the cryosphere (including snow characteristics, soil moisture, the extent of frozen soils, and the transition between frozen and thawed conditions) control fluxes and transformations of water, energy, and carbon, and can remote sensing resolve this variability at these scales? The NASA CLPX is a multi-sensor, multi-scale experiment that focuses on extending a local-scale understanding of water fluxes, storage, and transformations to regional and global scales. Within a framework of nested study areas in the central Rocky Mountains of the western United States, ranging from 1-ha to 160,000 km2, intensive ground, airborne, and spaceborne observations are collected. Data collection focuses on two seasons: mid-winter, when conditions are generally frozen and dry, and early spring, a transitional period when both frozen and thawed, dry and wet conditions are widespread.
Data Set Citation
Dataset Originator/Creator: Hardy, J., G. Koenig, D. Cline, K. Elder, R. Davis
Dataset Title: CLPX-Ground: Sub-Canopy Energetics at the Local Scale Observation Site (LSOS)
Dataset Release Date: 2002-11-01
Dataset Release Place: Boulder, CO
Dataset Publisher: National Snow and Ice Data Center (NSIDC)Online Resource: http://nsidc.org/data/nsidc-0170.html
Start Date: 2001-11-01Stop Date: 2003-03-31
ISO Topic Category
Distribution Media: ftp
Distribution Size: 18 to 209 KB (6.5 MB total)
Distribution Format: Tab-delimited ASCII text, JPEG, and GIF
Phone: (603) 646-4306
Fax: (603) 646-4278
Email: jhardy at crrel.usace.army.mil
U.S. Army CRREL 72 Lyme Road
Province or State: NH
Postal Code: 03755-1290
Role: TECHNICAL CONTACT
Phone: +1 (303) 492-6199
Fax: +1 (303) 492-2468
Email: nsidc at nsidc.org
National Snow and Ice Data Center CIRES, 449 UCB University of Colorado
Province or State: CO
Postal Code: 80309-0449
Hardy, J., D. Cline, K. Elder, R. Davis, R. Armstrong, G. Castres Saint-Martin, R. DeRoo, T. Graf, Y. Koh, T. Koike, H-P. Marshall, K. McDonald, T. Painter, and K. Sarabandi (submitted). An Overview of Data from the Local Scale Observation Site of the Cold Land Processes Experiment (CLPX). Submitted to the Journal of Hydrometeorology.
Hardy, JP, R. Melloh, G. Koenig, J. Pomeroy, D. ... Marks and T. Link (2003). Solar variability beneath open and dense conifer canopies. Invited paper in Proceedings 2003 IUGG Meeting, June 30-July 11, 2003, (Sapporo, Japan), pp. C30-003.
Hardy, JP, R. Melloh, D. Marks, G. Koenig, J. Pomeroy, and T. Link (submitted). Solar Radiation Transmission Through Conifer Canopies. Submitted to Agricultural and Forest Meteorology.
Melloh R, J. Ballard, J. Hardy, C. Woodcock, J. Liu, J. Smith, G. Koenig, R. Davis (2003). Spatial distribution of canopy gaps in lodgepole pine forest. In Proceedings 60th Eastern Snow Conference, June 4-6, Sherbr
ooke, Quebec, Canada.
Extended Metadata Properties
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Creation and Review Dates
DIF Creation Date: 2004-08-02
Last DIF Revision Date: 2010-03-04