Observation Sites
Yellow markers indicate discontinued sites
Halocarbons and Trace Gases
58 sites in 11 countries
Click on heading title to sort on that column.| Code | Name | Country | Latitude | Longitude | Elevation (meters) | Time from GMT | Project |
|---|---|---|---|---|---|---|---|
| AAO* | Airborne Aerosol Observatory, Bondville, Illinois | United States | 40.050 | -88.370 | 230.0 | -6 hours |
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| ACG | Alaska Coast Guard | United States | 57.737 | -152.504 | 6.0 | -8 hours |
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| ALT | Alert, Nunavut | Canada | 82.451 | -62.507 | 185.0 | -5 hours |
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| AMT | Argyle, Maine | United States | 45.035 | -68.682 | 52.4 | -5 hours |
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| BAO* | Boulder Atmospheric Observatory, Colorado | United States | 40.050 | -105.004 | 1578.7 | -7 hours |
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| BGI* | Bradgate, Iowa | United States | 42.820 | -94.410 | 355.1 | -6 hours |
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| BNE* | Beaver Crossing, Nebraska | United States | 40.800 | -97.180 | 465.9 | -6 hours |
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| BRW | Barrow Atmospheric Baseline Observatory | United States | 71.323 | -156.611 | 11.0 | -9 hours |
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| BWD | Brentwood, Maryland | United States | 38.934 | -76.956 | 16.8 | -5 hours |
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| CAR | Briggsdale, Colorado | United States | 40.635 | -104.327 | 1488.0 | -7 hours |
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| CGO | Cape Grim, Tasmania | Australia | -40.683 | 144.690 | 94.0 | +10 hours |
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| CMA | Offshore Cape May, New Jersey | United States | 38.830 | -74.320 | 0.0 | -5 hours |
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| CRV | Carbon in Arctic Reservoirs Vulnerability Experiment (CARVE) | United States | 64.986 | -147.598 | 611.4 | -8 hours |
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| DND* | Dahlen, North Dakota | United States | 47.500 | -99.240 | 472.4 | -6 hours |
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| ESP | Estevan Point, British Columbia | Canada | 49.383 | -126.544 | 7.0 | -8 hours |
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| ETL | East Trout Lake, Saskatchewan | Canada | 54.354 | -104.987 | 493.0 | -6 hours |
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| FWI* | Fairchild, Wisconsin | United States | 44.660 | -90.960 | 334.3 | -6 hours |
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| HAA* | Molokai Island, Hawaii | United States | 21.230 | -158.950 | 3.0 | -10 hours |
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| HFM | Harvard Forest, Massachusetts | United States | 42.538 | -72.171 | 340.0 | -5 hours |
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| HIL | Homer, Illinois | United States | 40.070 | -87.910 | 201.5 | -6 hours |
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| INX | INFLUX (Indianapolis Flux Experiment) | United States | 39.581 | -86.421 | -5 hours |
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| KUM | Cape Kumukahi, Hawaii | United States | 19.561 | -154.888 | 8.0 | -10 hours |
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| LAC* | LA Megacities | United States | 34.000 | -118.200 | 100.0 | -8 hours |
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| LEF | Park Falls, Wisconsin | United States | 45.945 | -90.273 | 472.0 | -6 hours |
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| LEW | Lewisburg, Pennsylvania | United States | 40.945 | -76.879 | 166.0 | -5 hours |
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| MBO | Mt. Bachelor Observatory | United States | 43.977 | -121.686 | 2731.0 | -8 hours |
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| MHD | Mace Head, County Galway | Ireland | 53.326 | -9.899 | 5.0 | +0 hours |
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| MLO | Mauna Loa, Hawaii | United States | 19.536 | -155.576 | 3397.0 | -10 hours |
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| MRC | Marcellus Pennsylvania | United States | 41.466 | -76.419 | 592.0 | -5 hours |
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| MSH | Mashpee, Massachusetts | United States | 41.657 | -70.498 | 32.0 | -5 hours |
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| MVY* | Marthas Vineyard, Massachusetts | United States | 41.325 | -70.567 | 0.0 | -5 hours |
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| MWO | Mt. Wilson Observatory | United States | 34.225 | -118.059 | 1729.3 | -8 hours |
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| NEB | NE Baltimore, Maryland | United States | 39.315 | -76.583 | 44.0 | -5 hours |
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| NHA | Offshore Portsmouth, New Hampshire (Isles of Shoals) | United States | 42.950 | -70.630 | 0.0 | -5 hours |
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| NWB | NW Baltimore | United States | 39.344 | -76.685 | 135.0 | -5 hours |
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| NWF* | Niwot Ridge Forest, Colorado | United States | 40.030 | -105.550 | 3050.0 | -7 hours |
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| NWR | Niwot Ridge, Colorado | United States | 40.053 | -105.586 | 3523.0 | -7 hours |
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| OIL* | Oglesby, Illinois | United States | 41.280 | -88.940 | 192.6 | -6 hours |
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| PFA | Poker Flat, Alaska | United States | 64.900 | -148.760 | 210.0 | -9 hours |
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| PSA | Palmer Station, Antarctica | United States | -64.774 | -64.053 | 10.0 | -3 hours |
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| RTA | Rarotonga | Cook Islands | -21.250 | -159.830 | 3.0 | -10 hours |
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| SCA | Offshore Charleston, South Carolina | United States | 32.770 | -79.550 | 0.0 | -5 hours |
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| SCT | Beech Island, South Carolina | United States | 33.406 | -81.833 | 115.2 | -5 hours |
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| SGP | Southern Great Plains, Oklahoma | United States | 36.607 | -97.489 | 314.0 | -6 hours |
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| SMO | Tutuila | American Samoa | -14.247 | -170.564 | 42.0 | -11 hours |
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| SPO | South Pole, Antarctica | United States | -89.980 | -24.800 | 2810.0 | +12 hours |
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| STR | Sutro Tower, San Francisco, California | United States | 37.755 | -122.453 | 254.0 | -8 hours |
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| SUM | Summit | Greenland | 72.596 | -38.422 | 3209.5 | -2 hours |
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| TGC | Offshore Corpus Christi, Texas | United States | 27.730 | -96.860 | 0.0 | -6 hours |
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| THD | Trinidad Head, California | United States | 41.054 | -124.151 | 107.0 | -8 hours |
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| TMD | Thurmont, Maryland | United States | 39.577 | -77.488 | 561.0 | -5 hours |
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| ULB* | Ulaanbaatar | Mongolia | 47.400 | 106.000 | 1350.0 | +8 hours |
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| USH* | Ushuaia | Argentina | -54.848 | -68.311 | 12.0 | -3 hours |
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| WBI | West Branch, Iowa | United States | 41.725 | -91.353 | 241.7 | -6 hours |
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| WGC | Walnut Grove, California | United States | 38.264 | -121.490 | 2.0 | -8 hours |
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| WIS | Weizmann Institute of Science at the Arava Institute, Ketura | Israel | 29.965 | 35.060 | 151.0 | +2 hours |
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| WKT | Moody, Texas | United States | 31.315 | -97.327 | 251.0 | -6 hours |
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| WLG* | Mt. Waliguan | Peoples Republic of China | 36.288 | 100.896 | 3810.0 | +8 hours |
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