Walnut Grove, California, United States [WGC]
![](https://webarchive.library.unt.edu/web/20170121114201im_/https://www.esrl.noaa.gov/gmd/dv/site/maps/WGC.png)
Location
- Country: United States
- Latitude: 38.2650° North
- Longitude: 121.4911° West
- Elevation: 0.00 masl
- Time Zone: Local Time + 8.0 hour(s) = UTC
Data
Cooperating Agencies
GMD Projects at Walnut Grove, California
Parameter | Formula | First Sample Date | Status |
---|---|---|---|
Carbon Dioxide | CO2 | 2007-09-20 | Ongoing |
Methane | CH4 | 2007-09-20 | Ongoing |
Carbon Monoxide | CO | 2007-09-20 | Ongoing |
Molecular Hydrogen | H2 | 2007-09-20 | Ongoing |
Nitrous Oxide | N2O | 2007-09-20 | Ongoing |
Sulfur Hexafluoride | SF6 | 2015-01-26 | Ongoing |
Sulfur Hexafluoride | SF6 | 2007-09-20 | Ongoing |
Carbon-13/Carbon-12 in Carbon Dioxide | d13C (CO2) | 2007-09-20 | Ongoing |
Oxygen-18/Oxygen-16 in Carbon Dioxide | d18O (CO2) | 2007-09-20 | Ongoing |
Carbon-13/Carbon-12 in Methane | d13C (CH4) | 2008-01-08 | Terminated - 2009-02-24 |
Carbon-14/Carbon in Carbon Dioxide | D14C (CO2) | 2009-02-24 | Ongoing |
HFC-134a | CH2FCF3 | 2007-09-20 | Ongoing |
HCFC-22 | CHF2Cl | 2007-09-20 | Ongoing |
CFC-12 | CCl2F2 | 2007-09-20 | Ongoing |
Methyl Chloride | CH3Cl | 2007-09-20 | Ongoing |
CFC-114 and CFC-114a (combined) | CFC-114 and CFC-114a (combined) | 2007-09-20 | Ongoing |
HCFC-142b | CH3CF2Cl | 2007-09-20 | Ongoing |
Halon-1211 | CBrClF2 | 2007-09-20 | Ongoing |
methyl bromide | CH3Br | 2007-09-20 | Ongoing |
CFC-11 (ion 101) | CCl3F (ion 101) | 2007-09-20 | Ongoing |
CFC-11 (ion 103) | CCl3F (ion 103) | 2010-08-27 | Ongoing |
HCFC-141b | CH3CCl2F | 2007-09-20 | Ongoing |
methyl iodide | CH3I | 2007-09-20 | Ongoing |
CFC-113 | CCl2FCClF2 | 2007-09-20 | Ongoing |
dichloromethane | CH2Cl2 | 2007-09-20 | Ongoing |
chloroform | CHCl3 | 2007-09-20 | Ongoing |
methyl chloroform (ion 97) | CH3CCl3 | 2007-09-20 | Ongoing |
methyl chloroform (ion 99) | CH3CCl3 | 2010-08-27 | Terminated - 2010-11-21 |
carbon tetrachloride | CCl4 | 2007-09-20 | Ongoing |
dibromomethane | CH2Br2 | 2007-09-20 | Ongoing |
tetrachloroethylene | C2Cl4 | 2007-09-20 | Ongoing |
bromoform | CHBr3 | 2007-09-20 | Ongoing |
Benzene | C6H6 | 2007-09-20 | Ongoing |
carbonyl sulfide | COS | 2007-09-20 | Ongoing |
HCFC-21 | CHCl2F | 2015-09-16 | Ongoing |
HFC-152a | CH3CHF2 | 2007-09-20 | Ongoing |
HCFC-124 | CHClFCF3 | 2007-09-20 | Ongoing |
toluene | C7H8 | 2015-01-26 | Ongoing |
carbonyl disulfide | CS2 | 2007-09-20 | Ongoing |
Sample Pressure | press | 2007-09-20 | Terminated - 2010-07-10 |
ethane | C2H6 | 2015-01-26 | Ongoing |
ethene | C2H4 | 2015-01-26 | Ongoing |
propane | C3H8 | 2007-09-20 | Ongoing |
propene | C3H6 | 2015-01-26 | Ongoing |
i-butane | i-C4H10 | 2015-01-26 | Ongoing |
n-butane | n-C4H10 | 2007-09-20 | Ongoing |
i-pentane | i-C5H12 | 2007-09-20 | Ongoing |
n-pentane | n-C5H12 | 2007-09-20 | Ongoing |
n-hexane | n-C6H14 | 2015-01-26 | Ongoing |
Halon 1301 | CF3Br | 2007-09-20 | Ongoing |
Halon 2402 | CBrF2CBrF2 | 2007-09-20 | Ongoing |
HFC-143a | CH3CF3 | 2007-09-20 | Ongoing |
HFC-227ea | CF3CHFCF3 | 2007-09-20 | Ongoing |
HFC-365mfc | CH3CF2CH2CF3 | 2007-09-20 | Ongoing |
CFC-115 | CClF2CF3 | 2007-09-20 | Ongoing |
HFC-125 | CHF2CF3 | 2007-09-20 | Ongoing |
CFC-13 | CClF3 | 2007-09-20 | Ongoing |
Chloroethane | CH3CH2Cl | 2007-09-20 | Ongoing |
HFC-23 | CHF3 | 2007-09-20 | Ongoing |
Perfluoropropane | C3F8 | 2007-09-20 | Ongoing |
Acetylene | C2H2 | 2007-09-20 | Ongoing |
HFC-32 | CH2F2 | 2009-03-19 | Ongoing |
HFC-134 | CHF2CHF2 | 2009-03-19 | Ongoing |
CH2BrCl | CH2BrCl | 2015-01-26 | Ongoing |
methyl chloroform (ion 61) | CH3CCl3 | 2013-12-09 | Ongoing |
tetrafluoromethane | CF4 | 2015-01-26 | Ongoing |
hexafluoroethane | CF3CF3 | 2015-01-26 | Ongoing |
nitrogen trifluoride | NF3 | 2015-09-16 | Ongoing |
sulfuryl fluoride | SO2F2 | 2015-09-16 | Ongoing |
HFC-236fa | CF3CH2CF3 | 2015-01-26 | Ongoing |
HCFC-133a | CH2ClCF3 | 2015-01-26 | Ongoing |
CFC-112 | CCl3CClF2 | 2015-01-26 | Ongoing |
C2HCl3 | C2HCl3 | 2015-01-26 | Ongoing |
HFO-1234yf | CH2=CFCF3 | 2016-09-13 | Ongoing |
HFO-1234ze | CHF=CHCF3 | 2016-09-13 | Ongoing |
Parameter | Formula | First Sample Date | Status |
---|---|---|---|
Carbon Dioxide | CO2 | 2008-05-23 | Terminated - 2009-03-08 |
Methane | CH4 | 2008-05-23 | Terminated - 2009-03-08 |
Carbon Monoxide | CO | 2008-05-23 | Terminated - 2009-03-08 |
Molecular Hydrogen | H2 | 2008-05-23 | Terminated - 2009-03-08 |
Nitrous Oxide | N2O | 2008-05-23 | Terminated - 2009-03-08 |
Sulfur Hexafluoride | SF6 | 2008-05-23 | Terminated - 2009-03-08 |
Carbon-13/Carbon-12 in Carbon Dioxide | d13C (CO2) | 2008-06-18 | Terminated - 2009-03-08 |
Oxygen-18/Oxygen-16 in Carbon Dioxide | d18O (CO2) | 2008-06-18 | Terminated - 2009-03-08 |
Carbon-14/Carbon in Carbon Dioxide | D14C (CO2) | 2009-02-25 | Terminated - 2009-03-07 |
HFC-134a | CH2FCF3 | 2008-05-23 | Terminated - 2009-03-08 |
HCFC-22 | CHF2Cl | 2008-05-23 | Terminated - 2009-03-08 |
CFC-12 | CCl2F2 | 2008-05-23 | Terminated - 2009-03-08 |
Methyl Chloride | CH3Cl | 2008-05-23 | Terminated - 2009-03-08 |
CFC-114 and CFC-114a (combined) | CFC-114 and CFC-114a (combined) | 2008-05-23 | Terminated - 2009-03-08 |
HCFC-142b | CH3CF2Cl | 2008-05-23 | Terminated - 2009-03-08 |
Halon-1211 | CBrClF2 | 2008-05-23 | Terminated - 2009-03-08 |
methyl bromide | CH3Br | 2008-05-23 | Terminated - 2009-03-08 |
CFC-11 (ion 101) | CCl3F (ion 101) | 2008-05-23 | Terminated - 2009-03-08 |
HCFC-141b | CH3CCl2F | 2008-05-23 | Terminated - 2009-03-08 |
methyl iodide | CH3I | 2008-05-23 | Terminated - 2009-03-08 |
CFC-113 | CCl2FCClF2 | 2008-05-23 | Terminated - 2009-03-08 |
dichloromethane | CH2Cl2 | 2008-05-23 | Terminated - 2009-03-08 |
chloroform | CHCl3 | 2008-05-23 | Terminated - 2009-03-08 |
methyl chloroform (ion 97) | CH3CCl3 | 2008-05-23 | Terminated - 2009-03-08 |
carbon tetrachloride | CCl4 | 2008-05-23 | Terminated - 2009-03-08 |
dibromomethane | CH2Br2 | 2008-05-23 | Terminated - 2009-03-08 |
tetrachloroethylene | C2Cl4 | 2008-05-23 | Terminated - 2009-03-08 |
bromoform | CHBr3 | 2008-05-23 | Terminated - 2009-03-08 |
Benzene | C6H6 | 2008-05-23 | Terminated - 2009-03-08 |
carbonyl sulfide | COS | 2008-05-23 | Terminated - 2009-03-08 |
HFC-152a | CH3CHF2 | 2008-05-23 | Terminated - 2009-03-08 |
HCFC-124 | CHClFCF3 | 2008-05-23 | Terminated - 2009-03-08 |
toluene | C7H8 | 2008-05-23 | Terminated - 2008-06-23 |
carbonyl disulfide | CS2 | 2008-05-23 | Terminated - 2009-03-08 |
Sample Pressure | press | 2008-05-23 | Terminated - 2009-03-08 |
propane | C3H8 | 2008-05-23 | Terminated - 2009-03-08 |
n-butane | n-C4H10 | 2008-05-23 | Terminated - 2009-03-08 |
i-pentane | i-C5H12 | 2008-05-23 | Terminated - 2009-03-08 |
n-pentane | n-C5H12 | 2008-05-23 | Terminated - 2009-03-08 |
Temperature | temp | 2008-05-23 | Terminated - 2009-03-08 |
Ambient Pressure | press | 2008-05-23 | Terminated - 2009-03-08 |
Relative Humidity | rh | 2008-05-23 | Terminated - 2009-03-08 |
Halon 1301 | CF3Br | 2008-05-23 | Terminated - 2009-03-08 |
Halon 2402 | CBrF2CBrF2 | 2008-05-23 | Terminated - 2009-03-08 |
HFC-143a | CH3CF3 | 2008-05-23 | Terminated - 2009-03-08 |
HFC-227ea | CF3CHFCF3 | 2008-05-23 | Terminated - 2009-03-08 |
HFC-365mfc | CH3CF2CH2CF3 | 2008-05-23 | Terminated - 2009-03-08 |
CFC-115 | CClF2CF3 | 2008-05-23 | Terminated - 2009-03-08 |
HFC-125 | CHF2CF3 | 2008-05-23 | Terminated - 2009-03-08 |
CFC-13 | CClF3 | 2008-05-23 | Terminated - 2009-03-08 |
Chloroethane | CH3CH2Cl | 2008-05-23 | Terminated - 2009-03-08 |
HFC-23 | CHF3 | 2008-05-23 | Terminated - 2009-03-08 |
Perfluoropropane | C3F8 | 2008-05-23 | Terminated - 2009-03-08 |
Acetylene | C2H2 | 2008-05-23 | Terminated - 2009-03-08 |
Carbon Cycle In Situ Tall Tower
Parameter | Formula | First Sample Date | Status |
---|---|---|---|
Carbon Dioxide | CO2 | 2007-09-20 | Ongoing |
Methane | CH4 | 2007-09-24 | Ongoing |
Carbon Monoxide | CO | 2007-09-23 | Ongoing |
Trace gases Airborne Flasks
Trace gases from GGGRN Flasks