Part A

Introduction DATA Policy Data Documentation Contact Us

- CH4 - Station Country/ Index Contributor Method Data Period Territory Number REGION I (Africa) Amsterdam Island France AMS137S10 NOAA/GMD GC-FID 1983/1 1990/12 Ascension Island United Kingdom ASC107S10 NOAA/GMD GC-FID 1983/5 2005/12 Assekrem Algeria ASK123N10 NOAA/GMD GC-FID 1995/9 2005/12 Cape Point South Africa CPO134S00 SAWS GC-FID 1983/1 2005/12 Crozet France CRZ146S10 NOAA/GMD GC-FID 1991/3 2005/12 Izaña Spain IZA128N00 INM GC-FID 1984/1 2004/12 Tenerife Spain IZO128N10 NOAA/GMD GC-FID 1991/11 2005/12 Gobabeb Namibia NMB123S10 NOAA/GMD GC-FID 1997/1 2001/2 Mahe Island Seychelles SEY104S10 NOAA/GMD GC-FID 1983/5 2005/12 REGION II (Asia) Anmyeon-do Rep. of Korea AMY236N00 KMA GC-ECD 2000/1 2005/12 Cape Ochi-ishi Japan COI243N00 NIES GC-FID 1995/7 2002/12 Hateruma Japan HAT224N00 NIES GC-FID 1996/1 2002/12 Issyk-Kul Kyrgyzstan ISK242N00 KSNU Infrared Spectrophotometry 2004/8 2005/11 Kaashidhoo Maldives KCO204N10 NOAA/GMD GC-FID 1998/3 1999/7 Gosan Rep. of Korea KSN233N00 METRI GC-FID 1995/1 1997/12 Sary Taukum Kazakhstan KZD244N10 NOAA/GMD GC-FID 1997/10 2005/12 Plateau Assy Kazakhstan KZM243N10 NOAA/GMD GC-FID 1997/10 2005/12 Minamitorishima Japan MNM224N00 JMA NDIR 1994/1 2006/8 Ryori Japan RYO239N00 JMA NDIR 1991/1 2006/9 Tae-ahn Peninsula Rep. of Korea TAP236N10 NOAA/GMD GC-FID 1990/11 2005/12 Tsukuba Japan TKB236N00 MRI GC-FID 1985/6 2002/6 Ulaan Uul Mongolia UUM244N10 NOAA/GMD GC-FID 1992/1 2005/12 Mt. Waliguan China WLG236N10 NOAA/GMD GC-FID 1990/8 2005/12 Yonagunijima Japan YON224N00 JMA NDIR 1998/1 2006/9 REGION III (South America) Easter Island Chile EIC329S10 NOAA/GMD GC-FID 1994/1 2005/12 Bird Island United Kingdom SGI354S10 NOAA/GMD GC-FID 1989/2 1992/8 Tierra del Fuego Argentina TDF354S10 NOAA/GMD GC-FID 1994/9 2005/12 REGION IV (North and Centrail America) Alert Canada ALT482N00 EC GC-FID 1999/10 2005/12 Alert Canada ALT482N10 NOAA/GMD GC-FID 1985/6 2005/12 Alert Canada ALT482N30 CSIRO GC-FID 1991/4 2005/12 Alert Canada ALT482N40 EC GC-FID 1988/1 2005/12 St. Croix U. S. A. AVI417N10 NOAA/GMD GC-FID 1983/5 1990/9 St. David's Head United Kingdom BME432N10 NOAA/GMD GC-FID 1989/2 2005/12 Tudor Hill United Kingdom BMW432N10 NOAA/GMD GC-FID 1989/5 2005/12 Barrow U. S. A. BRW471N00 NOAA/GMD GC-FID 1986/1 2005/12 Barrow U. S. A. BRW471N10 NOAA/GMD GC-FID 1983/4 2005/12 Cold Bay U. S. A. CBA455N10 NOAA/GMD GC-FID 1983/5 2005/12 Candle Lake Canada CDL454N00 EC GC-FID 2002/1 2005/12 Cape Meares U. S. A. CME445NB0 The AGAGE Science Team GC-FID 1983/9 1989/6 Cape Meares U. S. A. CMO445N10 NOAA/GMD GC-FID 1983/5 1998/3 Estevan Point Canada EPC449N10 EC GC-FID 1999/12 2005/8 Estevan Point Canada EPC449N30 CSIRO GC-FID 1993/6 2002/1 Frasedale Canada FSD449N00 EC GC-FID 1990/1 2005/12 Grifton U. S. A. ITN435N10 NOAA/GMD GC-FID 1992/7 1999/6 Key Biscayne U. S. A. KEY425N10 NOAA/GMD GC-FID 1983/10 2005/12 Kitt Peak U. S. A. KPA432N10 NOAA/GMD GC-FID 1983/4 1989/10 Park Falls U. S. A. LEF445N10 NOAA/GMD GC-FID 1994/11 2002/12 Mould Bay Canada MBC476N10 NOAA/GMD GC-FID 1983/4 1997/5 Niwot Ridge U. S. A. NWR440N10 NOAA/GMD GC-FID 1983/5 2005/12 Olympic Peninsula U. S. A. OPW448N10 NOAA/GMD GC-FID 1984/11 1990/5 Point Arena U. S. A. PTA438N10 NOAA/GMD GC-FID 1999/1 2005/12 Ragged Point Barbados RGP413N00 The AGAGE Science Team GC-FID 1985/8 2005/9 Ragged Point Barbados RGP413NB0 The AGAGE Science Team GC-FID 1985/8 2005/9 Ragged Point Barbados RPB413N10 NOAA/GMD GC-FID 1987/11 2005/12 Sable Island Canada SBL443N00 EC GC-FID 1999/11 2006/8 Sable Island Canada SBL443N10 EC GC-FID 2003/1 2005/12 Southern Great Plains U. S. A. SGP436N10 NOAA/GMD GC-FID 2002/4 2005/12 Shemya Island U. S. A. SHM452N10 NOAA/GMD GC-FID 1985/9 2005/12 La Jolla U. S. A. SIO432N10 NOAA/GMD GC-FID 1984/2 1986/9 Trinidad Head U. S. A. TRH441N00 NOAA/GMD GC-FID 1995/10 2005/9 Trinidad Head U. S. A. TRH441N10 NOAA/GMD GC-FID 2002/4 2002/10 Wendover U. S. A. UTA439N10 NOAA/GMD GC-FID 1993/5 2005/12 Moody U. S. A. WKT431N10 NOAA/GMD GC-FID 2001/2 2004/12 REGION V (South-West Pacific) Baring Head New Zealand BAR541S00 NIWA GC-FID 1989/8 2004/12 Bukit Koto Tabang Indonesia BKT500S10 NOAA/GMD GC-FID 2004/1 2005/12 Cape Ferguson Australia CFA519S30 CSIRO GC-FID 1991/6 2005/12 Cape Grim Australia CGO540S10 NOAA/GMD GC-FID 1984/4 2005/12 Cape Grim Australia CGR540S30 CSIRO GC-FID 1984/8 2005/12 Cape Grim Australia CGR540SB0 The AGAGE Science Team GC-FID 1981/12 2005/9 Cape Grim Australia CGR540SD0 The AGAGE Science Team GC-FID 1981/12 2005/9 Christmas Island Kiribati CHR501N10 NOAA/GMD GC-FID 1984/3 2005/12 Guam U. S. A. GMI513N10 NOAA/GMD GC-FID 1983/5 2005/12 Cape Kumukahi U. S. A. KUM519N10 NOAA/GMD GC-FID 1983/4 2005/12 Cape Matatula U. S. A. MAT514SA0 The AGAGE Science Team GC-FID 1985/7 2005/9 Cape Matatula U. S. A. MAT514SC0 The AGAGE Science Team GC-FID 1985/7 2005/9 Sand Island U. S. A. MID528N10 NOAA/GMD GC-FID 1985/5 2005/12 Mauna Loa U. S. A. MLO519N00 NOAA/GMD GC-FID 1987/1 2005/12 Mauna Loa U. S. A. MLO519N10 NOAA/GMD GC-FID 1983/5 2005/12 Mauna Loa U. S. A. MLO519N30 CSIRO GC-FID 1991/5 2005/12 Macquarie Island Australia MQA554S30 CSIRO GC-FID 1990/4 2005/12 Kaitorete Spit New Zealand NZL543S10 NOAA/GMD GC-FID 1983/6 1985/4 Tutuila U. S. A. SMO514S10 NOAA/GMD GC-FID 1983/4 2005/12 REGION VI (Europe) Terceira Island Portugal AZR638N10 NOAA/GMD GC-FID 1983/5 2005/10 Baltic Sea Poland BAL655N10 NOAA/GMD GC-FID 1992/8 2005/12 Black Sea Romania BSC644N10 NOAA/GMD GC-FID 1994/10 2005/12 Deuselbach Germany DEU649N00 UBA GC-FID 1994/1 2004/12 Dwejra Point Malta GOZ636N10 NOAA/GMD GC-FID 1993/10 1999/2 Site J Denmark GRL666N00 NIPR GC-FID 1598/1 1951/1 Hegyhatsal Hungary HUN646N10 NOAA/GMD GC-FID 1993/3 2005/12 Heimaey Iceland ICE663N10 NOAA/GMD GC-FID 1992/10 2005/12 Kollumerwaard Netherlands KMW653N00 RIVM GC-FID 1991/7 2001/12 Kosetice Czech Republic KOS649N00 CHMI GC-FID 1995/7 2005/12 Lampedusa Italy LMP635N00 ENEA GC-FID 1992/5 2005/12 Mace Head Ireland MCH653NB0 The AGAGE Science Team GC-FID 1987/1 2005/9 Mace Head Ireland MCH653ND0 The AGAGE Science Team GC-FID 1987/1 2005/9 Mace Head Ireland MHD653N10 NOAA/GMD GC-FID 1991/6 2005/12 Neuglobsow Germany NGL653N00 UBA GC-FID 1994/1 2005/12 Pallas-Sammaltunturi Finland PAL667N10 NOAA/GMD GC-FID 2001/12 2005/12 Plateau Rosà Italy PLR645N00 CESI RICERCA GC-FID 1991/5 2005/6 Zugspitze/Schneefernerhaus Germany SFH647NA0 UBA GC-FID 2002/1 2005/12 Shetland United Kingdom SIS660N30 CSIRO GC-FID 1992/11 2004/1 Schauinsland Germany SSL647N00 UBA GC-FID 1992/1 2005/12 Ocean Station "M" Norway STM666N10 NOAA/GMD GC-FID 1983/4 2005/12 Summit Denmark SUM672N10 NOAA/GMD GC-FID 1997/6 2005/12 Teriberka Russian Federation TER669N00 MGO GC-FID 1999/1 2005/12 Sede Boker Israel WIS631N10 NOAA/GMD GC-FID 1995/11 2005/12 Ny-Alesund Norway ZEP678N10 NOAA/GMD GC-FID 1994/2 2005/12 Zugspitze Germany ZGP647N00 UBA GC 1995/1 2001/12 Zingst Germany ZGT654N00 UBA GC-FID 1994/1 2003/12 Antarctica Arrival Heights Antarctica / New Zealand ARH778S00 NIWA GC-FID 1989/11 2004/9 Halley Bay United Kingdom / Antarctica HBA775S10 NOAA/GMD GC-FID 1983/1 2005/12 Mawson Australia / Antarctica MAA767S30 CSIRO GC-FID 1984/4 2005/12 McMurdo Station U. S. A. / Antarctica MCM777S10 NOAA/GMD GC-FID 1985/12 1987/10 Mizuho Japan / Antarctica MZH770S00 Tohoku University GC-FID 1310/1 1940/1 Palmer Station U. S. A. / Antarctica PSA764S10 NOAA/GMD GC-FID 1983/1 2005/12 South Pole U. S. A. / Antarctica SPO789S10 NOAA/GMD GC-FID 1983/2 2005/12 South Pole U. S. A. / Antarctica SPO789S30 CSIRO GC-FID 1991/3 2005/12 Syowa Station Japan / Antarctica SYO769S10 NOAA/GMD GC-FID 1986/1 2005/12 Mobile Aircraft (over Bass Strait and Cape Grim) Australia AIA999930 CSIRO GC-FID 1991/6 2000/9 Akademik Korolev, R/V U. S. A. AKD999910 NOAA/GMD GC-FID 1983/10 1983/11 Atlantic Ocean U. S. A. AOC900010 NOAA/GMD GC-FID 1986/12 2005/2 Atlantic Ocean U. S. A. AOC905N10 NOAA/GMD GC-FID 1986/12 2005/2 Atlantic Ocean U. S. A. AOC905S10 NOAA/GMD GC-FID 1986/12 2005/2 Atlantic Ocean U. S. A. AOC910N10 NOAA/GMD GC-FID 1986/12 2005/2 Atlantic Ocean U. S. A. AOC910S10 NOAA/GMD GC-FID 1986/12 2005/2 Atlantic Ocean U. S. A. AOC915N10 NOAA/GMD GC-FID 1986/12 2005/2 Atlantic Ocean U. S. A. AOC915S10 NOAA/GMD GC-FID 1986/12 2005/2 Atlantic Ocean U. S. A. AOC920N10 NOAA/GMD GC-FID 1986/12 2005/2 Atlantic Ocean U. S. A. AOC920S10 NOAA/GMD GC-FID 1986/12 2005/2 Atlantic Ocean U. S. A. AOC925N10 NOAA/GMD GC-FID 1986/12 2005/2 Atlantic Ocean U. S. A. AOC925S10 NOAA/GMD GC-FID 1986/12 2005/2 Atlantic Ocean U. S. A. AOC930N10 NOAA/GMD GC-FID 1986/12 2005/2 Atlantic Ocean U. S. A. AOC930S10 NOAA/GMD GC-FID 1986/12 2005/2 Discoverer 1983 & 1984, R/V U. S. A. DIS999910 NOAA/GMD GC-FID 1983/3 1984/4 Discoverer 1985, R/V U. S. A. DSC999910 NOAA/GMD GC-FID 1985/2 1985/9 Environmental observation and monitoring project Japan EOM999900 MRI GC-FID 1993/4 1993/12 INSTAC-I (International Strato/Tropospheric Air Chemistry Project) Japan INS9999A0 MRI GC-FID 1989/3 1989/3 John Biscoe, R/V U. S. A. JBS999910 NOAA/GMD GC-FID 1985/1 1985/3 Korolev, R/V U. S. A. KOR999910 NOAA/GMD GC-FID 1987/5 1987/7 Long Lines Expedition, R/V U. S. A. LLE999910 NOAA/GMD GC-FID 1983/10 1984/2 MRI Research, 1978-1986, R/V Japan MRI9999A0 MRI GC-FID 1978/1 1986/1 Mexico Naval H-02, R/V U. S. A. MXN999910 NOAA/GMD GC-FID 1986/7 1986/8 The Observation of Atmospheric Methane Over Japan Japan OAM999900 MRI GC-FID 1986/2 2000/2 Oceanographer, R/V U. S. A. OCE999910 NOAA/GMD GC-FID 1986/4 1986/7 Polar Star, R/V U. S. A. PLS999910 NOAA/GMD GC-FID 1986/10 1986/10 Pacific Ocean U. S. A. POC900010 NOAA/GMD GC-FID 1986/12 2005/12 Pacific Ocean U. S. A. POC905N10 NOAA/GMD GC-FID 1986/12 2005/12 Pacific Ocean U. S. A. POC905S10 NOAA/GMD GC-FID 1986/12 2005/12 Pacific Ocean U. S. A. POC910N10 NOAA/GMD GC-FID 1986/12 2005/12 Pacific Ocean U. S. A. POC910S10 NOAA/GMD GC-FID 1986/12 2005/12 Pacific Ocean U. S. A. POC915N10 NOAA/GMD GC-FID 1986/12 2005/12 Pacific Ocean U. S. A. POC915S10 NOAA/GMD GC-FID 1986/12 2005/12 Pacific Ocean U. S. A. POC920N10 NOAA/GMD GC-FID 1986/12 2005/12 Pacific Ocean U. S. A. POC920S10 NOAA/GMD GC-FID 1986/12 2005/12 Pacific Ocean U. S. A. POC925N10 NOAA/GMD GC-FID 1986/12 2005/12 Pacific Ocean U. S. A. POC925S10 NOAA/GMD GC-FID 1986/12 2005/12 Pacific Ocean U. S. A. POC930N10 NOAA/GMD GC-FID 1986/12 2005/12 Pacific Ocean U. S. A. POC930S10 NOAA/GMD GC-FID 1986/12 2005/12 Pacific Ocean U. S. A. POC935N10 NOAA/GMD GC-FID 1986/12 2005/12 Pacific Ocean U. S. A. POC935S10 NOAA/GMD GC-FID 1986/12 2005/12 Pacific Ocean U. S. A. POC940N10 NOAA/GMD GC-FID 1986/12 2005/12 Pacific Ocean U. S. A. POC945N10 NOAA/GMD GC-FID 1986/12 2005/12 Ryofu Maru, R/V Japan RYF999900 JMA GC-FID 1989/11 2003/11 Ryofu Maru, R/V Japan RYF9999A0 JMA GC-FID 1992/1 2001/11 South China Sea U. S. A. SCS903N10 NOAA/GMD GC-FID 1991/7 1998/10 South China Sea U. S. A. SCS906N10 NOAA/GMD GC-FID 1991/7 1998/10 South China Sea U. S. A. SCS909N10 NOAA/GMD GC-FID 1991/7 1998/10 South China Sea U. S. A. SCS912N10 NOAA/GMD GC-FID 1991/7 1998/10 South China Sea U. S. A. SCS915N10 NOAA/GMD GC-FID 1991/7 1998/10 South China Sea U. S. A. SCS918N10 NOAA/GMD GC-FID 1991/7 1998/10 South China Sea U. S. A. SCS921N10 NOAA/GMD GC-FID 1991/7 1998/10 Surveyor, R/V U. S. A. SUR999910 NOAA/GMD GC-FID 1986/9 1989/1 Western Pacific U. S. A. WPC900010 NOAA/GMD GC-FID 1986/12 2005/12 Western Pacific U. S. A. WPC905N10 NOAA/GMD GC-FID 1986/12 2005/12 Western Pacific U. S. A. WPC905S10 NOAA/GMD GC-FID 1986/12 2005/12 Western Pacific U. S. A. WPC910N10 NOAA/GMD GC-FID 1986/12 2005/12 Western Pacific U. S. A. WPC910S10 NOAA/GMD GC-FID 1986/12 2005/12 Western Pacific U. S. A. WPC915N10 NOAA/GMD GC-FID 1986/12 2005/12 Western Pacific U. S. A. WPC915S10 NOAA/GMD GC-FID 1986/12 2005/12 Western Pacific U. S. A. WPC920N10 NOAA/GMD GC-FID 1986/12 2005/12 Western Pacific U. S. A. WPC920S10 NOAA/GMD GC-FID 1986/12 2005/12 Western Pacific U. S. A. WPC925N10 NOAA/GMD GC-FID 1986/12 2005/12 Western Pacific U. S. A. WPC925S10 NOAA/GMD GC-FID 1986/12 2005/12 Western Pacific U. S. A. WPC930N10 NOAA/GMD GC-FID 1986/12 2005/12 Western Pacific U. S. A. WPC930S10 NOAA/GMD GC-FID 1986/12 2005/12

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