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Observation Sites





Carbon Cycle Gases
88 active sites in 38 countries
Click on heading title to sort on that column.Code | Name | Country | Latitude | Longitude | Elevation (meters) | Time from GMT | Project |
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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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AMY | Anmyeon-do | Republic of Korea | 36.539 | 126.329 | 47.0 | +9 hours |
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ASC | Ascension Island | United Kingdom | -7.967 | -14.400 | 85.0 | -1 hours |
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ASK | Assekrem | Algeria | 23.262 | 5.632 | 2710.0 | +1 hours |
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AZR | Terceira Island, Azores | Portugal | 38.766 | -27.375 | 19.0 | -1 hours |
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BHD | Baring Head Station | New Zealand | -41.408 | 174.871 | 85.0 | +12 hours |
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BKT | Bukit Kototabang | Indonesia | -0.202 | 100.318 | 845.0 | +7 hours |
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BMW | Tudor Hill, Bermuda | United Kingdom | 32.265 | -64.879 | 30.0 | -4 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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CAO | Colorado Atmospheric Observatory | USA | 39.923 | -103.972 | 1508.2 | -7 hours |
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CAR | Briggsdale, Colorado | United States | 40.635 | -104.327 | 1488.0 | -7 hours |
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CBA | Cold Bay, Alaska | United States | 55.210 | -162.720 | 21.3 | -9 hours |
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CGO | Cape Grim, Tasmania | Australia | -40.683 | 144.690 | 94.0 | +10 hours |
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CHR | Christmas Island | Republic of Kiribati | 1.700 | -157.152 | 0.0 | -10 hours |
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CIB | Centro de Investigacion de la Baja Atmosfera (CIBA) | Spain | 41.810 | -4.930 | 845.0 | +1 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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CPT | Cape Point | South Africa | -34.352 | 18.489 | 230.0 | +2 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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CRZ | Crozet Island | France | -46.434 | 51.848 | 197.0 | +5 hours |
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DRP | Drake Passage | N/A | -59.000 | -64.690 | 0.0 | -4 hours |
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DSI | Dongsha Island | Taiwan | 20.699 | 116.730 | 3.0 | +8 hours |
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EIC | Easter Island | Chile | -27.160 | -109.428 | 47.0 | -7 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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GMI | Mariana Islands | Guam | 13.386 | 144.656 | 0.0 | +10 hours |
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HBA | Halley Station, Antarctica | United Kingdom | -75.550 | -25.630 | 30.0 | -3 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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HPB | Hohenpeissenberg | Germany | 47.801 | 11.024 | 985.0 | +1 hours |
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HUN | Hegyhatsal | Hungary | 46.956 | 16.652 | 248.0 | +1 hours |
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ICE | Storhofdi, Vestmannaeyjar | Iceland | 63.400 | -20.288 | 118.0 | +0 hours |
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INX | INFLUX (Indianapolis Flux Experiment) | United States | 39.581 | -86.421 | -5 hours |
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IZO | Izana, Tenerife, Canary Islands | Spain | 28.309 | -16.499 | 2372.9 | +0 hours |
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KEY | Key Biscayne, Florida | United States | 25.665 | -80.158 | 1.0 | -5 hours |
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KUM | Cape Kumukahi, Hawaii | United States | 19.561 | -154.888 | 8.0 | -10 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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LLN | Lulin | Taiwan | 23.470 | 120.870 | 2862.0 | +8 hours |
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LMP | Lampedusa | Italy | 35.518 | 12.632 | 45.0 | +1 hours |
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MBO | Mt. Bachelor Observatory | United States | 43.977 | -121.686 | 2731.0 | -8 hours |
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MEX | High Altitude Global Climate Observation Center | Mexico | 18.984 | -97.311 | 4464.0 | -6 hours |
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MHD | Mace Head, County Galway | Ireland | 53.326 | -9.899 | 5.0 | +0 hours |
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MID | Sand Island, Midway | United States | 28.219 | -177.368 | 4.6 | -11 hours |
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MKO | Mauna Kea, Hawaii | United States | 19.823 | -155.469 | 4199.0 | -10 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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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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NMB | Gobabeb | Namibia | -23.580 | 15.030 | 456.0 | +1 hours |
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NWB | NW Baltimore | United States | 39.344 | -76.685 | 135.0 | -5 hours |
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NWR | Niwot Ridge, Colorado | United States | 40.053 | -105.586 | 3523.0 | -7 hours |
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OXK | Ochsenkopf | Germany | 50.030 | 11.808 | 1022.0 | +1 hours |
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PAL | Pallas-Sammaltunturi, GAW Station | Finland | 67.973 | 24.116 | 565.0 | +2 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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RPB | Ragged Point | Barbados | 13.165 | -59.432 | 15.0 | -4 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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SEY | Mahe Island | Seychelles | -4.682 | 55.532 | 2.0 | +4 hours |
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SGP | Southern Great Plains, Oklahoma | United States | 36.607 | -97.489 | 314.0 | -6 hours |
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SHM | Shemya Island, Alaska | United States | 52.711 | 174.126 | 23.0 | -10 hours |
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SMO | Tutuila | American Samoa | -14.247 | -170.564 | 42.0 | -11 hours |
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SNP | Shenandoah National Park | United States | 38.617 | -78.350 | 1008.0 | -5 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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SYO | Syowa Station, Antarctica | Japan | -69.013 | 39.590 | 14.0 | +3 hours |
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TAP | Tae-ahn Peninsula | Republic of Korea | 36.738 | 126.133 | 16.0 | +9 hours |
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TBP | Tambopata | Peru | -12.820 | -69.292 | 200.0 | -5 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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TPI | Taiping Island | Taiwan | 10.379 | 114.371 | 4.0 | +8 hours |
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USH | Ushuaia | Argentina | -54.848 | -68.311 | 12.0 | -3 hours |
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UTA | Wendover, Utah | United States | 39.902 | -113.718 | 1327.0 | -7 hours |
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UUM | Ulaan Uul | Mongolia | 44.452 | 111.096 | 1007.0 | +8 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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ZEP | Ny-Alesund, Svalbard | Norway and Sweden | 78.907 | 11.888 | 474.0 | +1 hours |
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