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Mace Head, County Galway, Ireland [MHD]


  • Country: Ireland Country Flag
  • Latitude: 53.3260° North
  • Longitude: 9.899° West
  • Elevation: 5.00 masl
  • Time Zone: Local Standard Time + 0.0 hour(s) = UTC


Cooperating Agencies

  • National University of Ireland, Galway

Mace Head Research Station is located on the west coast of Ireland, County Galway. The site offers excellent exposure to the North Atlantic (clean air sector, 180° through west to 300°). The nearest major conurbation approximately 90 km to the east of Mace Head is Galway, a city with a population of approximately 65000 inhabitants. The hilly area around Mace Head is wet and boggy with a lot of exposed rock and vegetation which consists mainly of grasses and sedges. There are three small uninhabited islands offshore which are within the clean air sector. The facilities at the site consist of three laboratory buildings, two aluminium walk-up towers, (20m and 10m) and a converted 20 ft cargo container office. The two shore laboratories, ca. 90m from the shore, house gas and aerosol measurement equipment. The cottage laboratory, ca. 300m from the shore primarily houses equipment for measurement of meteorlogical and solar radiation parameters.

GML Projects at Mace Head, County Galway

Carbon Cycle Surface Flasks

Parameter Formula First Sample Date Status
Carbon Dioxide CO2 1991-06-03 Ongoing
Methane CH4 1991-06-03 Ongoing
Carbon Monoxide CO 1991-06-03 Ongoing
Molecular Hydrogen H2 1991-06-03 Ongoing
Nitrous Oxide N2O 1995-12-14 Ongoing
Sulfur Hexafluoride SF6 1995-12-14 Ongoing
Carbon-13/Carbon-12 in Carbon Dioxide d13C (CO2) 1991-06-03 Ongoing
Oxygen-18/Oxygen-16 in Carbon Dioxide d18O (CO2) 1991-06-03 Ongoing
Carbon-13/Carbon-12 in Methane d13C (CH4) 1999-01-01 Ongoing
Carbon-14/Carbon in Carbon Dioxide D14C (CO2) 2014-05-12 Terminated - 2016-03-23
D/H in Methane dD (CH4) 2005-03-15 Terminated - 2009-08-04
Methyl Chloride CH3Cl 2005-03-15 Terminated - 2018-05-21
Benzene C6H6 2006-11-20 Terminated - 2018-05-21
Methylbenzene C7H8 2006-11-20 Terminated - 2018-05-21
Ethane C2H6 2005-03-15 Terminated - 2018-05-21
Ethylene C2H4 2005-03-15 Terminated - 2018-05-21
Propane C3H8 2005-03-15 Terminated - 2018-05-21
Propylene C3H6 2005-03-15 Terminated - 2018-05-21
Isobutane i-C4H10 2005-03-15 Terminated - 2018-05-21
n-Butane n-C4H10 2005-03-15 Terminated - 2018-05-21
isopentane i-C5H12 2005-03-15 Terminated - 2018-05-21
n-Pentane n-C5H12 2005-03-15 Terminated - 2018-05-21
n-Hexane n-C6H14 2005-03-15 Terminated - 2018-05-21
isoprene C5H8 2006-11-20 Terminated - 2018-05-21
Acetylene C2H2 2006-12-04 Terminated - 2018-05-21

HATS Flask Sampling

Parameter Formula First Sample Date Status
HFC-134a CH2FCF3 1998-10-12 Ongoing
HCFC-22 CHF2Cl 1998-10-12 Ongoing
CFC-12 CCl2F2 2010-01-07 Ongoing
Methyl Chloride CH3Cl 1998-10-12 Ongoing
HCFC-142b CH3CF2Cl 1998-10-12 Ongoing
Halon-1211 CBrClF2 1998-10-12 Ongoing
Methyl Bromide CH3Br 1998-10-12 Ongoing
HCFC-141b CH3CCl2F 1998-10-12 Ongoing
CFC-113 CCl2FCClF2 1998-10-12 Ongoing
Dichloromethane CH2Cl2 1998-11-25 Ongoing
Perchloroethylene (PCE) C2Cl4 1998-10-12 Ongoing
Carbonyl Sulfide COS 2001-05-18 Ongoing
HFC-152a CH3CHF2 2001-05-18 Ongoing
Halon-2402 CBrF2CBrF2 2009-08-04 Ongoing
HFC-227ea CF3CHFCF3 2011-06-21 Ongoing
HFC-365mfc CH3CF2CH2CF3 2009-08-04 Ongoing
Methyl Chloroform CH3CCl3 1998-10-12 Ongoing
CFC-11 CCl3F 2010-01-07 Ongoing