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Thaw Depth and Vegetation Radiance Measurements, Happy Valley, AK, 1994 Entry ID: ARCSS103 |
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Summary
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Abstract:
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.
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Related URL
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Link:
GET DATA
Description: data ftp site Link: GET DATA Description: access to data and documentation |
Geographic Coverage
| N: 69.149 | S: 69.141 | E: -148.84 | W: -148.863 |
| Min Depth: 1 CM | Max Depth: 64 CM |
Data Set Citation
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Dataset Originator/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, CO, U.S.A. Dataset Publisher: National Snow and Ice Data Center (NSIDC) Data Presentation Form: tables Online Resource: http://nsidc.org/data/arcss103.html |
Temporal Coverage
| Start Date: 1994-06-06 |
| Stop Date: 1994-07-17 |
Location Keywords
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CONTINENT
> NORTH AMERICA
> UNITED STATES OF AMERICA
> ALASKA
GEOGRAPHIC REGION > ARCTIC GEOGRAPHIC REGION > POLAR VERTICAL LOCATION > LAND SURFACE |
Data Resolution
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Vertical Resolution:
1 cm
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Science Keywords
| BIOSPHERE >TERRESTRIAL ECOSYSTEMS >ALPINE/TUNDRA [Definition] |
| BIOSPHERE >VEGETATION >CANOPY CHARACTERISTICS [Definition] |
| BIOSPHERE >VEGETATION >CARBON [Definition] |
| BIOSPHERE >VEGETATION >VEGETATION INDEX [Definition] |
| TERRESTRIAL HYDROSPHERE >SNOW/ICE >PERMAFROST >ACTIVE LAYER [Definition] |
| LAND SURFACE >SOILS >CARBON [Definition] |
| SPECTRAL/ENGINEERING >INFRARED WAVELENGTHS >INFRARED RADIANCE [Definition] |
| SPECTRAL/ENGINEERING >VISIBLE WAVELENGTHS >VISIBLE RADIANCE [Definition] |
| CRYOSPHERE >FROZEN GROUND >ACTIVE LAYER [Definition] |
| CRYOSPHERE >FROZEN GROUND >SEASONALLY FROZEN GROUND [Definition] |
| LAND SURFACE >FROZEN GROUND >ACTIVE LAYER [Definition] |
| LAND SURFACE >FROZEN GROUND >SEASONALLY FROZEN GROUND [Definition] |
ISO Topic Category
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BIOTA
GEOSCIENTIFIC INFORMATION IMAGERY/BASE MAPS/EARTH COVER INLAND WATERS |
Platform
| GROUND-BASED OBSERVATIONS [Information] |
Instrument
| PROBES [Information] |
| RADIOMETERS [Information] |
Project
| ARCSS >Arctic System Science [Information] |
| ARCSS/LAII/FLUX >Arctic System Science/Land-Atmosphere-Ice Interaction/fluxes [Information] |
| NSF/OPP >Office of Polar Programs, National Science Foundation [Information] |
Keywords
| ADCC |
| Alaska |
| ARCSS103 |
| Arctic System Science Data Coordination Center |
| Carbon Flux |
| CO2 Flux |
| Happy Valley |
| LAII |
| National Science Foundation |
| NSF |
| NSIDC |
| OPP-9216109 |
| OPP-9318527 |
| OPP9216109 |
| OPP9318527 |
| reflectance |
| spectral vegetation index |
Data Set Progress
| COMPLETE |
Originating Center
| ADCC |
Data Center
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National Snow and Ice Data Center
[Information]
Data Center URL: http://nsidc.org Dataset ID: ARCSS103
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Arctic System Science Data Coordination Center
[Information]
Data Center URL: http://nsidc.org/arcss/ Dataset ID: ARCSS103
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Frozen Ground Data Center
[Information]
Data Center URL: http://nsidc.org/fgdc/ Dataset ID: ARCSS103
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Distribution
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Distribution_Media:
ftp
Distribution_Size: 2.5 - 4 KB Distribution_Format: comma-delimited text files |
Personnel
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WALTER
C.
OECHEL Role: INVESTIGATOR Phone: (619) 594-4818 x6613 Email: oechel at sunstroke.sdsu.edu Contact Address: San Diego State University Department of Biology Global Change Research Group 5500 Campanile Drive City: San Diego Province or State: CA Postal Code: 92182-0001 Country: USA |
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ALLEN
S.
HOPE Role: INVESTIGATOR Phone: (619) 594-2777 Email: hope1 at mail.sdsu.edu Contact Address: San Diego State University 5500 Campanile Drive City: San Diego Province or State: CA Postal Code: 92182-4493 Country: USA |
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DOUGLAS
A.
STOW Role: INVESTIGATOR Phone: (619) 594-5498 Fax: (619) 594-4938 Email: stow at mail.sdsu.edu Contact Address: San Diego State University Department of Geography 5500 Campanile Drive City: San Diego Province or State: CA Postal Code: 92182-4493 Country: USA |
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J.
B.
FLEMING Role: INVESTIGATOR |
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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 |
Publications/References
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.
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.
Creation and Review Dates
DIF Creation Date:
2002-10-30
Last DIF Revision Date:
2012-05-11
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