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

Cooperating Agencies
Hap's Air Service, Inc.
University of Iowa



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 2009-10-20
Methane CH4 2007-06-28 2009-10-20
Carbon Monoxide CO 2007-06-28 2009-10-20
Molecular Hydrogen H2 2007-06-28 2009-10-20
Nitrous Oxide N2O 2007-06-28 2009-10-20
Sulfur Hexafluoride SF6 2007-06-28 2009-10-20
Carbon-13/Carbon-12 in Carbon Dioxide d13C (CO2) 2007-06-28 2009-09-18
Oxygen-18/Oxygen-16 in Carbon Dioxide d18O (CO2) 2007-06-28 2009-09-18
HFC-134a CH2FCF3 2007-06-28 2009-09-18
HCFC-22 CHF2Cl 2007-06-28 2009-09-18
CFC-12 CCl2F2 2007-06-28 2009-09-18
Methyl Chloride CH3Cl 2007-06-28 2009-09-18
CFC-114 and CFC-114a (combined) CFC-114 and CFC-114a (combined) 2007-06-28 2009-09-18
HCFC-142b CH3CF2Cl 2007-06-28 2009-09-18
Halon-1211 CBrClF2 2007-06-28 2009-09-18
methyl bromide CH3Br 2007-06-28 2009-09-18
CFC-11 (ion 101) CCl3F (ion 101) 2007-06-28 2009-09-18
CFC-11 (ion 103) CCl3F (ion 103) 2007-07-06 2009-02-01
HCFC-141b CH3CCl2F 2007-06-28 2009-09-18
methyl iodide CH3I 2007-06-28 2009-09-18
CFC-113 CCl2FCClF2 2007-06-28 2009-09-18
dichloromethane CH2Cl2 2007-06-28 2009-09-18
chloroform CHCl3 2007-06-28 2009-09-18
methyl chloroform (ion 97) CH3CCl3 2007-07-06 2009-02-01
methyl chloroform (ion 99) CH3CCl3 2007-07-06 2008-01-13
carbon tetrachloride CCl4 2007-06-28 2009-09-18
dibromomethane CH2Br2 2007-06-28 2009-09-18
tetrachloroethylene C2Cl4 2007-06-28 2009-09-18
bromoform CHBr3 2007-06-28 2009-09-18
Benzene C6H6 2007-06-28 2009-09-18
carbonyl sulfide COS 2007-06-28 2009-09-18
HCFC-21 CHCl2F 2007-07-06 2009-02-01
HFC-152a CH3CHF2 2007-06-28 2009-09-18
HCFC-124 CHClFCF3 2007-06-28 2009-09-18
toluene C7H8 2007-07-06 2007-10-21
carbonyl disulfide CS2 2007-06-28 2009-09-18
Sample Pressure press 2007-06-28 2009-09-18
propane C3H8 2007-06-28 2009-09-18
n-butane n-C4H10 2007-06-28 2009-09-18
i-pentane i-C5H12 2007-06-28 2009-09-18
n-pentane n-C5H12 2007-06-28 2009-09-18
n-hexane n-C6H14 2008-08-05 2009-02-01
Halon 1301 CF3Br 2007-06-28 2009-09-18
Halon 2402 CBrF2CBrF2 2007-06-28 2009-09-18
HFC-143a CH3CF3 2007-06-28 2009-09-18
HCFC-227ea CF3CHFCF3 2007-07-18 2009-09-18
HFC-365mfc CH3CF2CH2CF3 2007-06-28 2009-09-18
CFC-115 CClF2CF3 2007-06-28 2009-09-18
HFC-125 CHF2CF3 2007-06-28 2009-09-18
CFC-13 CClF3 2007-06-28 2009-09-18
Chloroethane CH3CH2Cl 2007-06-28 2009-09-18
HFC-23 CHF3 2007-06-28 2009-09-18
Perfluoropropane C3F8 2008-01-22 2009-09-18
Acetylene C2H2 2008-01-22 2009-09-18
HFC-32 CH2F2 2009-03-26 2009-09-18
HFC-134 CHF2CHF2 2009-03-26 2009-09-18

Carbon Cycle Airborne Flasks

Aircraft flask package at WBI
Parameter Formula First Sample Date Most Recent Sample Date
Carbon Dioxide CO2 2004-09-14 2009-10-11
Methane CH4 2004-09-14 2009-10-11
Carbon Monoxide CO 2004-09-14 2009-10-11
Molecular Hydrogen H2 2004-09-14 2009-10-11
Nitrous Oxide N2O 2004-09-14 2009-10-11
Sulfur Hexafluoride SF6 2004-09-14 2009-10-11
Carbon-13/Carbon-12 in Carbon Dioxide d13C (CO2) 2007-05-27 2009-09-16
Oxygen-18/Oxygen-16 in Carbon Dioxide d18O (CO2) 2007-06-08 2009-09-16
HFC-134a CH2FCF3 2004-09-14 2009-09-16
HCFC-22 CHF2Cl 2004-09-14 2009-09-16
CFC-12 CCl2F2 2004-09-14 2009-09-16
Methyl Chloride CH3Cl 2004-09-14 2009-09-16
CFC-114 and CFC-114a (combined) CFC-114 and CFC-114a (combined) 2004-09-14 2009-09-16
HCFC-142b CH3CF2Cl 2004-09-14 2009-09-16
Halon-1211 CBrClF2 2004-09-14 2009-09-16
methyl bromide CH3Br 2004-09-14 2009-09-16
CFC-11 (ion 101) CCl3F (ion 101) 2004-09-14 2009-09-16
CFC-11 (ion 103) CCl3F (ion 103) 2004-09-14 2009-03-25
HCFC-141b CH3CCl2F 2004-09-14 2009-09-16
methyl iodide CH3I 2004-09-14 2009-09-16
CFC-113 CCl2FCClF2 2004-09-14 2009-09-16
dichloromethane CH2Cl2 2004-09-14 2009-09-16
chloroform CHCl3 2004-09-14 2009-09-16
methyl chloroform (ion 97) CH3CCl3 2004-09-14 2009-04-21
methyl chloroform (ion 99) CH3CCl3 2004-09-14 2007-12-30
carbon tetrachloride CCl4 2004-09-14 2009-09-16
dibromomethane CH2Br2 2004-09-14 2009-09-16
tetrachloroethylene C2Cl4 2004-09-14 2009-09-16
bromoform CHBr3 2004-09-14 2009-09-16
Benzene C6H6 2004-09-14 2009-09-16
carbonyl sulfide COS 2004-09-14 2009-09-16
HCFC-21 CHCl2F 2004-09-14 2008-07-04
HFC-152a CH3CHF2 2004-09-14 2009-09-16
HCFC-124 CHClFCF3 2004-09-14 2009-09-16
toluene C7H8 2005-05-31 2008-07-04
carbonyl disulfide CS2 2004-11-07 2009-09-16
Sample Pressure press 2004-09-14 2009-09-16
ethane C2H6 2005-09-21 2005-09-21
ethene C2H4 2005-09-21 2005-09-21
propane C3H8 2005-09-21 2009-09-16
propene C3H6 2005-09-21 2005-09-21
i-butane i-C4H10 2005-09-21 2005-09-21
n-butane n-C4H10 2005-09-21 2009-09-16
i-pentane i-C5H12 2005-09-21 2009-09-16
n-pentane n-C5H12 2005-09-21 2009-09-16
n-hexane n-C6H14 2009-03-25 2009-03-25
wind speed 2004-09-14 2004-09-14
wind direction 2004-09-14 2004-09-14
ambient temperature 2007-11-08 2009-10-11
ambient pressure 2007-11-08 2009-10-11
relative humidity 2007-11-08 2009-10-11
Halon 1301 CF3Br 2007-06-08 2009-09-16
Halon 2402 CBrF2CBrF2 2007-06-08 2009-09-16
HFC-143a CH3CF3 2007-06-08 2009-09-16
HCFC-227ea CF3CHFCF3 2007-06-08 2009-09-16
HFC-365mfc CH3CF2CH2CF3 2007-06-08 2009-09-16
CFC-115 CClF2CF3 2007-06-08 2009-09-16
HFC-125 CHF2CF3 2007-06-08 2009-09-16
CFC-13 CClF3 2007-06-08 2009-09-16
Chloroethane CH3CH2Cl 2007-06-08 2009-09-16
HFC-23 CHF3 2007-06-08 2009-09-16
Perfluoropropane C3F8 2008-02-15 2009-09-16
Acetylene C2H2 2008-02-15 2009-09-16
HFC-32 CH2F2 2009-04-21 2009-09-16
HFC-134 CHF2CHF2 2009-04-21 2009-09-16

Carbon Cycle In Situ Tall Tower

Parameter Formula First Sample Date Most Recent Sample Date
Carbon Dioxide CO2 2007-07-01 2009-10-29
Carbon Monoxide CO 2007-07-01 2009-10-29

Ozone Airborne