GMD Site Description:
CountryCountry Flag
United States
Latitude:41.7250° North
Longitude:91.353° West
Elevation: 241.70 masl
Time Zone: Local Time + 6 hour(s) = UTC


GMD Projects at West Branch, Iowa

Carbon Cycle Surface Flasks

Pfp flasks at WBI tower
Parameter Formula First Sample Date Most Recent Sample Date
Carbon Dioxide CO2 2007-06-28 2008-08-04
Methane CH4 2007-06-28 2008-08-04
Carbon Monoxide CO 2007-06-28 2008-08-04
Molecular Hydrogen H2 2007-06-28 2008-08-04
Nitrous Oxide N2O 2007-06-28 2008-08-04
Sulfur Hexafluoride SF6 2007-06-28 2008-08-04
Carbon-13/Carbon-12 in Carbon Dioxide d13C (CO2) 2007-06-28 2008-07-07
Oxygen-18/Oxygen-16 in Carbon Dioxide d18O (CO2) 2007-06-28 2008-07-07
HFC-134a CH2FCF3 2007-06-28 2008-03-31
HCFC-22 CHF2Cl 2007-06-28 2008-03-31
CFC-12 CCl2F2 2007-06-28 2008-03-31
methyl chloride CH3Cl 2007-06-28 2008-03-31
CFC-114 and CFC-114a (combined) CFC-114 and CFC-114a (combined) 2007-06-28 2008-03-31
HCFC-142b CH3CF2Cl 2007-06-28 2008-03-31
Halon-1211 CBrClF2 2007-06-28 2008-03-31
methyl bromide CH3Br 2007-06-28 2008-03-31
CFC-11 (ion 101) CCl3F (ion 101) 2007-06-28 2008-03-31
CFC-11 (ion 103) CCl3F (ion 103) 2007-07-06 2007-10-21
HCFC-141b CH3CCl2F 2007-06-28 2008-03-31
methyl iodide CH3I 2007-06-28 2008-03-31
CFC-113 CCl2FCClF2 2007-06-28 2008-03-31
dichloromethane CH2Cl2 2007-06-28 2008-03-31
chloroform CHCl3 2007-06-28 2008-03-31
methyl chloroform (ion 97) CH3CCl3 2007-06-28 2008-03-31
methyl chloroform (ion 99) CH3CCl3 2007-07-06 2007-10-21
carbon tetrachloride CCl4 2007-06-28 2008-03-31
dibromomethane CH2Br2 2007-06-28 2008-03-31
tetrachloroethylene C2Cl4 2007-06-28 2008-03-31
bromoform CHBr3 2007-06-28 2008-03-31
Benzene C6H6 2007-06-28 2008-03-31
carbonyl sulfide COS 2007-06-28 2008-03-31
HCFC-21 CHCl2F 2007-07-06 2007-10-21
HFC-152a CH3CHF2 2007-06-28 2008-03-31
HCFC-124 CHClFCF3 2007-06-28 2008-03-31
toluene C7H8 2007-07-06 2007-10-21
carbonyl disulfide CS2 2007-06-28 2008-03-31
Sample Pressure press 2007-06-28 2008-03-31
propane C3H8 2007-06-28 2008-03-31
n-butane n-C4H10 2007-06-28 2008-03-31
i-pentane i-C5H12 2007-06-28 2008-03-31
n-pentane n-C5H12 2007-06-28 2008-03-31
Halon 2402 CBrF2CBrF2 2007-06-28 2008-03-31
Halon 1301 CF3Br 2007-06-28 2008-03-31
HFC-143a CH3CF3 2007-06-28 2008-03-31
HCFC-227ea CF3CHFCF3 2007-07-18 2008-03-31
HFC-365mfc CH3CF2CH2CF3 2007-06-28 2008-03-31
CFC-115 CClF2CF3 2007-06-28 2008-03-31
HFC-125 CHF2CF3 2007-06-28 2008-03-31
CFC-13 CClF3 2007-06-28 2008-03-31
Chloroethane CH3CH2Cl 2007-06-28 2008-03-31
HFC-23 CHF3 2007-06-28 2008-03-31
Perfluoropropane C3F8 2008-01-30 2008-03-31
Acetylene C2H2 2008-01-30 2008-03-31

Carbon Cycle Airborne Flasks

Aircraft flask package at WBI
Parameter Formula First Sample Date Most Recent Sample Date
Carbon Dioxide CO2 2004-09-14 2008-08-01
Methane CH4 2004-09-14 2008-08-01
Carbon Monoxide CO 2004-09-14 2008-08-01
Molecular Hydrogen H2 2004-09-14 2008-08-01
Nitrous Oxide N2O 2004-09-14 2008-08-01
Sulfur Hexafluoride SF6 2004-09-14 2008-08-01
Carbon-13/Carbon-12 in Carbon Dioxide d13C (CO2) 2007-05-27 2008-07-15
Oxygen-18/Oxygen-16 in Carbon Dioxide d18O (CO2) 2007-06-08 2008-07-15
HFC-134a CH2FCF3 2004-09-14 2008-03-29
HCFC-22 CHF2Cl 2004-09-14 2008-03-29
CFC-12 CCl2F2 2004-09-14 2008-03-29
methyl chloride CH3Cl 2004-09-14 2008-03-29
CFC-114 and CFC-114a (combined) CFC-114 and CFC-114a (combined) 2004-09-14 2008-03-29
HCFC-142b CH3CF2Cl 2004-09-14 2008-03-29
Halon-1211 CBrClF2 2004-09-14 2008-03-29
methyl bromide CH3Br 2004-09-14 2008-03-29
CFC-11 (ion 101) CCl3F (ion 101) 2004-09-14 2008-03-29
CFC-11 (ion 103) CCl3F (ion 103) 2004-09-14 2008-03-29
HCFC-141b CH3CCl2F 2004-09-14 2008-03-29
methyl iodide CH3I 2004-09-14 2008-03-29
CFC-113 CCl2FCClF2 2004-09-14 2008-03-29
dichloromethane CH2Cl2 2004-09-14 2008-03-29
chloroform CHCl3 2004-09-14 2008-03-29
methyl chloroform (ion 97) CH3CCl3 2004-09-14 2008-03-29
methyl chloroform (ion 99) CH3CCl3 2004-09-14 2007-12-30
carbon tetrachloride CCl4 2004-09-14 2008-03-29
dibromomethane CH2Br2 2004-09-14 2008-03-29
tetrachloroethylene C2Cl4 2004-09-14 2008-03-29
bromoform CHBr3 2004-09-14 2008-03-29
Benzene C6H6 2004-09-14 2008-03-29
carbonyl sulfide COS 2004-09-14 2008-03-29
HCFC-21 CHCl2F 2004-09-14 2008-03-29
HFC-152a CH3CHF2 2004-09-14 2008-03-29
HCFC-124 CHClFCF3 2004-09-14 2008-03-29
toluene C7H8 2005-05-31 2008-03-29
carbonyl disulfide CS2 2004-11-07 2008-03-29
Sample Pressure press 2004-09-14 2008-03-29
ethane C2H6 2005-09-21 2005-09-21
ethene C2H4 2005-09-21 2005-09-21
propane C3H8 2007-06-08 2008-03-08
propene C3H6 2005-09-21 2005-09-21
n-butane n-C4H10 2007-06-08 2008-03-08
i-pentane i-C5H12 2007-06-08 2008-03-08
n-pentane n-C5H12 2005-09-21 2008-03-08
wind speed 2004-09-14 2004-09-14
wind direction 2004-09-14 2004-09-14
ambient temperature 2007-11-08 2008-08-01
ambient pressure 2007-11-08 2008-08-01
relative humidity 2007-11-08 2008-08-01
Halon 2402 CBrF2CBrF2 2007-06-08 2008-03-08
Halon 1301 CF3Br 2007-06-08 2008-03-08
HFC-143a CH3CF3 2007-06-08 2008-03-08
HCFC-227ea CF3CHFCF3 2007-06-08 2008-03-08
HFC-365mfc CH3CF2CH2CF3 2007-06-08 2008-03-08
CFC-115 CClF2CF3 2007-06-08 2008-03-08
HFC-125 CHF2CF3 2007-06-08 2008-03-08
CFC-13 CClF3 2007-06-08 2008-03-08
Chloroethane CH3CH2Cl 2007-06-08 2008-03-08
HFC-23 CHF3 2007-06-08 2008-03-08
Perfluoropropane C3F8 2008-03-08 2008-03-08
Acetylene C2H2 2008-03-08 2008-03-08

Carbon Cycle In Situ Tall Tower

Parameter Formula First Sample Date Most Recent Sample Date
Carbon Dioxide CO2 2007-07-01 2008-08-12
Carbon Monoxide CO 2007-07-01 2008-08-12