Space Station Photography of LTER Sites John Vande Castle at the LTER Network Office and Will Stefanov (formerly with CAP) at the NASA Johnson Space Center are working on  the potential use of Space Station photography for LTER Sites.  A rough search shows that many sites have already been captured during various missions of the International Space Station.  JSC staff gave a positive response to adding LTER sites as specific targets in future missions and this was included in the science plan beginning with the ISS 011 crew.
Image resolution depends on the camera  and lens used.  High latitude LTER sites are not within the orbital plane of the International Space Station.   ISS imagery is freely available online at http://eol.jsc.nasa.gov/
Earth Sciences and Image Analysis, NASA-Johnson Space Center. 25 Mar. 2005. "Astronaut Photography of Earth - Display Record." 
International Space Station – Mission 10
http://eol.jsc.nasa.gov/scripts/sseop/photo.pl?mission=ISS010&roll=E&frame=17590&QueryResultsFile=111229797223601.tsv
 (31 Mar. 2005). NASA-Johnson Space Center.
 Last Update: 02 June. 2005
Identification
Mission: ISS010 Roll: E Frame: 17590 Mission ID on the Film or image: ISS010
Country or Geographic Name: USA-FLORIDA
Features: SOUTH FLORIDA, FLORIDA KEYS
Center Point Latitude: 25.5 Center Point Longitude: -81.5 (Negative numbers indicate south for latitude and west for longitude)
Stereo: (Yes indicates there is an adjacent picture of the same area)
ONC Map ID: JNC Map ID: Camera Camera Tilt: 51
Camera Focal Length: 50mm
Camera: E4: Kodak DCS760C Electronic Still Camera
Film: 3060E : 3060 x 2036 pixel CCD, RGBG array. Quality Film Exposure:
Percentage of Cloud Cover: 10 (0-10) Nadir Date: 20050211 (YYYYMMDD)GMT Time: 183608 (HHMMSS)
Nadir Point Latitude: 23.1, Longitude: -78.4 (Negative numbers indicate south for latitude and west for longitude)
Nadir to Photo Center Direction: Northwest
Sun Azimuth: 206 (Clockwise angle in degrees from north to the sun measured at the nadir point)
Spacecraft Altitude: 190 nautical miles (352 km)
Sun Elevation Angle: 50 (Angle in degrees between the horizon and the sun, measured at the nadir point)
Orbit Number: 3596