GMD Site Description: SHM

Location

  • Country: United States Country Flag
  • Latitude: 52.7112° North
  • Longitude: 174.1260° East
  • Elevation: 23.00 masl
  • Time Zone: Local Time + 10.0 hour(s) = UTC

Data

Cooperating Agencies

  • Chugach McKinley

GMD Projects at Shemya Island, Alaska

Carbon Cycle Surface Flasks

Parameter Formula First Sample Date Status
Carbon Dioxide CO2 1985-09-11 Ongoing
Methane CH4 1985-09-04 Ongoing
Carbon Monoxide CO 1992-04-12 Ongoing
Molecular Hydrogen H2 1992-03-22 Ongoing
Nitrous Oxide N2O 1997-07-27 Ongoing
Sulfur Hexafluoride SF6 1997-07-27 Ongoing
Carbon-13/Carbon-12 in Carbon Dioxide d13C (CO2) 1992-04-05 Ongoing
Oxygen-18/Oxygen-16 in Carbon Dioxide d18O (CO2) 1992-04-05 Ongoing
Methyl Chloride CH3Cl 2005-04-17 Ongoing
Benzene C6H6 2007-01-07 Ongoing
toluene C7H8 2007-01-07 Ongoing
ethane C2H6 2005-04-17 Ongoing
ethene C2H4 2005-04-17 Ongoing
propane C3H8 2005-04-24 Ongoing
propene C3H6 2005-04-24 Ongoing
i-butane i-C4H10 2005-05-02 Ongoing
n-butane n-C4H10 2005-04-17 Ongoing
i-pentane i-C5H12 2005-04-17 Ongoing
n-pentane n-C5H12 2005-04-17 Ongoing
n-hexane n-C6H14 2005-04-17 Ongoing
Wind Speed ws 1992-07-19 Ongoing
Wind Direction wd 1992-07-19 Ongoing
Temperature 2004-08-01 Terminated - 2004-09-05
isoprene C5H8 2007-01-07 Ongoing