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Shemya Island, Alaska, United States [SHM]

site location map

Location

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

Data

Cooperating Agencies

  • Chugach McKinley
GML Projects at Shemya Island, Alaska

Carbon Cycle Surface Flasks

Parameter Formula First Sample Date Status
Carbon Dioxide CO2 1985-09-04 Ongoing
Methane CH4 1985-09-04 Ongoing
Carbon Monoxide CO 1990-10-29 Ongoing
Molecular Hydrogen H2 1990-10-29 Ongoing
Nitrous Oxide N2O 1997-07-27 Ongoing
Sulfur Hexafluoride SF6 1997-07-27 Ongoing
Carbon-13/Carbon-12 in Carbon Dioxide d13C (CO2) 1992-03-22 Ongoing
Oxygen-18/Oxygen-16 in Carbon Dioxide d18O (CO2) 1992-03-22 Ongoing
Methyl Chloride CH3Cl 2004-02-08 Terminated - 2018-05-30
Benzene C6H6 2004-02-08 Terminated - 2018-05-30
Toluene C7H8 2004-02-08 Terminated - 2018-05-30
Ethane C2H6 2004-02-08 Terminated - 2018-05-30
Ethene C2H4 2004-02-08 Terminated - 2018-05-30
Propane C3H8 2004-02-08 Terminated - 2018-05-30
Propene C3H6 2004-02-08 Terminated - 2018-05-30
i-Butane i-C4H10 2004-02-08 Terminated - 2018-05-30
n-Butane n-C4H10 2004-02-08 Terminated - 2018-05-30
i-Pentane i-C5H12 2004-02-08 Terminated - 2018-05-30
n-Pentane n-C5H12 2004-02-08 Terminated - 2018-05-30
n-Hexane n-C6H14 2004-02-08 Terminated - 2018-05-30
isoprene C5H8 2004-02-08 Terminated - 2018-05-30
Acetylene C2H2 2004-02-08 Terminated - 2018-05-30