Shemya Island, Alaska, United States [SHM]
Location
- Country: United States
- 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
| 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 |
| Methylbenzene | C7H8 | 2004-02-08 | Terminated - 2018-05-30 |
| Ethane | C2H6 | 2004-02-08 | Terminated - 2018-05-30 |
| Ethylene | C2H4 | 2004-02-08 | Terminated - 2018-05-30 |
| Propane | C3H8 | 2004-02-08 | Terminated - 2018-05-30 |
| Propylene | C3H6 | 2004-02-08 | Terminated - 2018-05-30 |
| Isobutane | i-C4H10 | 2004-02-08 | Terminated - 2018-05-30 |
| n-Butane | n-C4H10 | 2004-02-08 | Terminated - 2018-05-30 |
| isopentane | 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 |