NSF – Global Fiducial Site Survey
Site Number/Name:
GFL No.:
Name: Arctic LTER
State, Country: Alaska, USA
Priority: 1
Site designation(s): LTER, Bureau of Land Management Area of Critical Environmental Concern/Research Natural Area (BLM ACEC/RNA)
Other sponsoring/interested agencies, if any: NSF, BLM
Core Area: Area surrounding Toolik Lake, Alaska
Location and size:
USGS Quad: Philip Smith Mountains, Alaska
Center: 68° 37’ 42" N, 149° 35’ 46" W
NE corner: 68° 48’ N, 149° 5’ W
SE corner: 68° 30’ N, 149° 5’ W
SW corner: 68° 30’ N, 149° 45’ W
NW corner: 68° 48’ N, 149° 45’ W
Center elevation: 760 meters
Size (N-S x E-W): 35 km x 29 km
Secondary Study Area: Kuparuk River Basin
Location and size:
USGS Quad: Philip Smith Mountains, Chandler Lake, Sagavanirktok, Umiat, Beechey Point, and Harrison Bay, Alaska
Center: 68° 37’ 42" N, 149° 35’ 46" W
NE corner: 70° 33’ N, 148° 18’ W
SE corner: 68° 30’ N, 148° 18’ W
SW corner: 68° 30’ N, 151° 11’ W
NW corner: 70° 33’ N, 151° 11’ W
Size (N-S x E-W): 227 km x 89 km
Resource to be monitored: Vegetation composition, chlorophyll and biomass amount. Snow distribution, soil moisture, snow and ice cover duration.
[Environmental change]
Detailed description, management issues (e.g. ecosystem represented):
Arctic tundra, lakes, streams. Tussock tundra; heath tundra; wet sedge tundra, riverine willows; oligotrophic lakes; headwater streams
Frequency and time(s) of collection: [six-week window]
Yearly: All scenes May - September
Resolution/scale: 10 meters
Special characteristics (spectral values, thermal anomalies, underwater/ground, etc.): none
Existing maps of area (digital?):
See http://www.mbl.edu/html/ECOSYSTEMS/lterhtml/datbase1.html under the section called GIS/Maps
MEDEA sponsor (active/passive):
Sponsoring agency: National Science Foundation (NSF)
NSF agency point of contact: [Alan M. Gaines, Scott L. Collins]
NSF site point of contact (current security clearance, if any):
[John Vande Castle, Security Clearance YES