Thaw Depth and Vegetation Radiance Measurements, Happy Valley, AK, 1994  View Catalog Page Entry ID
ARCSS103
Summary
This data set contains measurements for permafrost active layer thaw depth and vegetation reflectance (red and near-infrared bandwidths) at the Happy Valley Flux Study Site in northern Alaska during the summer of 1994. Sampling was conducted in a 1000-m square grid pattern, with sample points spaced 100 m apart. Median values for thaw depths were determined from five replicate measurements using a thaw probe. Vegetation radiance values are averages of five measurements collected from an area approximately 5 square meters at each grid point. Radiometric measurements were collected with Exotech-100BX, 4-channel radiometers fit with spectral filters corresponding to the SPOT/HRV-XS satellite bandwidths.
Geographic Coverage
Spatial Coordinates:
N: 69.149°
S: 69.141°
E: -148.84°
W: -148.863°
Min Depth: 1 centimeters
Max Depth: 64 centimeters
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Data Set Citation
Dataset Creator: Walter C. Oechel
Dataset Title: Thaw Depth and Vegetation Radiance Measurements, Happy Valley, AK, 1994
Dataset Release Date: 2003-01-01
Dataset Release Place: Boulder, Colorado USA
Dataset Publisher: NSIDC: National Snow and Ice Data Center
Online Resource: http://nsidc.org/data/arcss103.html
Temporal Coverage
Start Date: 1994-06-06
Stop Date: 1994-07-17
Data Resolution
Vertical Resolution: 1 cm
Location Keywords
- CONTINENT NORTH AMERICA UNITED STATES OF AMERICA ALASKA
- GEOGRAPHIC REGION ARCTIC
- GEOGRAPHIC REGION POLAR
- VERTICAL LOCATION LAND SURFACE
Science Keywords
- Biosphere Terrestrial Ecosystems Alpine/Tundra
- Biosphere Vegetation Canopy Characteristics
- Biosphere Vegetation Carbon
- Biosphere Vegetation Vegetation Index
- Cryosphere Frozen Ground Active Layer
- Cryosphere Frozen Ground Seasonally Frozen Ground
- Land Surface Frozen Ground Active Layer
- Land Surface Frozen Ground Seasonally Frozen Ground
- Land Surface Soils Carbon
- Spectral/Engineering Infrared Wavelengths Infrared Radiance
- Spectral/Engineering Visible Wavelengths Visible Radiance
- Terrestrial Hydrosphere Snow/Ice Permafrost Active Layer
Ancillary Keywords
- ADCC
- Alaska
- ARCSS103
- Arctic System Science Data Coordination Center
- Carbon Flux
- CO2 Flux
- Happy Valley
- LAII
- National Science Foundation
- NSF
- NSIDC
- OPP9216109
- OPP-9216109
- OPP9318527
- OPP-9318527
- REFLECTANCE
- spectral vegetation index
Platform
- GROUND-BASED OBSERVATIONS
Instrument
Project
- ARCSS/LAII/FLUX Arctic System Science/Land-Atmosphere-Ice Interaction/fluxes
Data Set Progress
complete
Originating Center
ARCSS/ADCC
Data Center
National Snow and Ice Data Center
Data Center URL: http://nsidc.org
Data Center Personnel
Name: NSIDC User Services
Phone: 1 303 492-6199
Fax: 1 303 492-2468
Email: nsidc@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
NSIDC Arctic System Science Data Coordination Center
Data Center URL: http://nsidc.org/arcss/
Data Center Personnel
Name: NSIDC ARCSS User Services
Phone: 1 303 492-6199
Fax: 1 303 492-2468
Email: nsidc@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
NSIDC Frozen Ground Data Center
Data Center URL: http://nsidc.org/fgdc/
Data Center Personnel
Name: NSIDC FGDC User Services
Phone: 1 303 492-6199
Fax: 1 303 492-2468
Email: nsidc@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 Size: 2.5 - 4 KB
Distribution Format: ASCII Text
Personnel
Walter C. Oechel
Role: INVESTIGATOR
Phone: 1 619 594-4818 x6613
Email: oechel@sunstroke.sdsu.edu
Contact Address:
- San Diego State University, Department of Biology
- Global Change Research Group
- San Diego State University
- 5500 Campanile Drive
City: San Diego
Province or State: CA
Postal Code: 92182-0001
Country: USA
Allen S. Hope
Role: INVESTIGATOR
Phone: 1 619 594-2777
Email: hope1@mail.sdsu.edu
Contact Address:
- San Diego State University
- Department of Geography
- San Diego State University
- 5500 Campanile Drive
City: San Diego
Province or State: CA
Postal Code: 92182-4493
Country: USA
Douglas A. Stow
Role: INVESTIGATOR
Phone: 1 619 594-5498
Fax: 1 619 594-4938
Email: stow@mail.sdsu.edu
Contact Address:
- San Diego State University
- Department of Geography
- San Diego State University
- 5500 Campanile Drive
City: San Diego
Province or State: CA
Postal Code: 92182-4493
Country: USA
J. B. Fleming
Role: INVESTIGATOR
NSIDC User Services
Role: TECHNICAL CONTACT
Phone: 1 303 492-6199 x
Fax: 1 303 492-2468 x
Email: nsidc@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
Reference
Hope A.S., Fleming J.B., Vourlitis G.L., Stow D.A., Oechel W.C., and T. Hack. 1995. Relating CO2 fluxes to spectral vegetation indices in tundra landscapes: Importance of footprint definition. Polar Record 31: 245-250.
Hope A.S., McMichael C.E., Stow D.A., Fleming J.B., Vourlitis G., Oechel W.C., and S. Hastings. 1995. Direct estimates of CO2 flux in arctic environments using a spectral vegetation index. Proceedings IGARSS'97 Conference, Florence Italy. McMichael C.E., Hope A.S., Stow D.A., and J.B. Fleming. 1997. The relationship between active layer depth and a spectral vegetation index in arctic tundra landscapes of the North Slope of Alaska. International Journal of Remote Sensing 18(11): 2371-2382.
McMichael C.E., Hope A.S., Stow D.A., Fleming J.B., Vourlitis G.L., and W.C. Oechel. 1999. Estimating CO2 exchange at two sites in Arctic tundra ecosystems during the growing season using a spectral vegetation index. International Journal of Remote Sensing 20(4): 683-698.
Metadata Name and Version
Metadata Name: CEOS IDN DIF
Metadata Version: 9.7
Creation and Review Dates
DIF Creation Date: 2003-01-01
Last DIF Revision Date: 2012-09-18
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