Focus

Greenland: Thule

Latitude: 76.550000
Longitude: -68.566667

Network: Unaffiliated
Principal investigator: Heidi Steltzer
PI-affiliated institution: Fort Lewis College
Primary IGBP ecosystem type: Snow and Ice
Dominant plant functional type: Snow and Ice
Recent and historic disturbance and management events that may affect this site:
- Temperature extreme: Heat wave or freeze
Flux data collection:
- Start date: July 1999
- End date: September 1999
Flux methods:
- Chambers
- Eddy covariance
Optical data collection:
- Start date: June 2004
- End date: September 2004
Data collection period: Various: Continuous operation: Variable collected continuously with the reported method; Intermittent: Variable collected intermittently with the reported method; Periodic operation: Variable collected part of the year with the reported method
Data scale: Stand
Collection methods: Tower
Types of data collected: NDVI, PAR, PYR, Optical sampling
Publications

- Horwath, J. L., and R. S. Sletten. "Large and small scale mapping of High Arctic vegetation by NDVI: Thule, Greenland." AGU Fall Meeting Abstracts. Vol. 1. 2004.
- Shaver, G. R., et al. "Functional convergence in regulation of net CO2 flux in heterogeneous tundra landscapes in Alaska and Sweden." Journal of Ecology 95.4 (2007): 802-817.
- Steltzer, Heidi, and Jeffrey M. Welker. "Modeling the effect of photosynthetic vegetation properties on the NDVI-LAI relationship." Ecology 87.11 (2006): 2765-2772.
- Sullivan, Patrick F., et al. "Temperature and microtopography interact to control carbon cycling in a high arctic fen." Ecosystems 11.1 (2008): 61-76.