Use this web page to find specific data files available from the public ftp file archive of the ESRL Global Monitoring Division.
Alternatively, you can browse the GMD ftp server.
Click on the icons (
or
)
under the 'Data' table heading in the dataset description boxes to either download the data file desired, or take you
to the appropriate directory on the ftp server, where you can make selections based on date.
Select from the following lists to narrow your search.
Datasets filtered from 3367 originally.
|
|
Site |
Category |
Name |
Type |
Frequency |
Year |
Data |
|
1
|
Alert, Nunavut, Canada (ALT)
Air samples collected in glass flasks.
|
Greenhouse Gases |
C13/C12 in Methane (d13C (CH4)) |
Flask |
Monthly Averages |
Multiple |
|
|
2
|
Ascension Island, United Kingdom (ASC)
Air samples collected in glass flasks.
|
Greenhouse Gases |
C13/C12 in Methane (d13C (CH4)) |
Flask |
Monthly Averages |
Multiple |
|
|
3
|
Terceira Island, Azores, Portugal (AZR)
Air samples collected in glass flasks.
|
Greenhouse Gases |
C13/C12 in Methane (d13C (CH4)) |
Flask |
Monthly Averages |
Multiple |
|
|
4
|
Barrow, Alaska, United States (BRW)
Air samples collected in glass flasks.
|
Greenhouse Gases |
C13/C12 in Methane (d13C (CH4)) |
Flask |
Monthly Averages |
Multiple |
|
|
5
|
Cold Bay, Alaska, United States (CBA)
Air samples collected in glass flasks.
|
Greenhouse Gases |
C13/C12 in Methane (d13C (CH4)) |
Flask |
Monthly Averages |
Multiple |
|
|
6
|
Cape Grim, Tasmania, Australia (CGO)
Air samples collected in glass flasks.
|
Greenhouse Gases |
C13/C12 in Methane (d13C (CH4)) |
Flask |
Monthly Averages |
Multiple |
|
|
7
|
Cape Kumukahi, Hawaii, United States (KUM)
Air samples collected in glass flasks.
|
Greenhouse Gases |
C13/C12 in Methane (d13C (CH4)) |
Flask |
Monthly Averages |
Multiple |
|
|
8
|
Lac La Biche, Alberta, Canada (LLB)
Air samples collected in glass flasks.
|
Greenhouse Gases |
C13/C12 in Methane (d13C (CH4)) |
Flask |
Monthly Averages |
Multiple |
|
|
9
|
Mace Head, County Galway, Ireland (MHD)
Air samples collected in glass flasks.
|
Greenhouse Gases |
C13/C12 in Methane (d13C (CH4)) |
Flask |
Monthly Averages |
Multiple |
|
|
10
|
Mauna Loa, Hawaii, United States (MLO)
Air samples collected in glass flasks.
|
Greenhouse Gases |
C13/C12 in Methane (d13C (CH4)) |
Flask |
Monthly Averages |
Multiple |
|
|
11
|
Niwot Ridge, Colorado, United States (NWR)
Air samples collected in glass flasks.
|
Greenhouse Gases |
C13/C12 in Methane (d13C (CH4)) |
Flask |
Monthly Averages |
Multiple |
|
|
12
|
Tutuila, American Samoa (SMO)
Air samples collected in glass flasks.
|
Greenhouse Gases |
C13/C12 in Methane (d13C (CH4)) |
Flask |
Monthly Averages |
Multiple |
|
|
13
|
South Pole, Antarctica, United States (SPO)
Air samples collected in glass flasks.
|
Greenhouse Gases |
C13/C12 in Methane (d13C (CH4)) |
Flask |
Monthly Averages |
Multiple |
|
|
14
|
Tae-ahn Peninsula, Republic of Korea (TAP)
Air samples collected in glass flasks.
|
Greenhouse Gases |
C13/C12 in Methane (d13C (CH4)) |
Flask |
Monthly Averages |
Multiple |
|
|
15
|
Mt. Waliguan, Peoples Republic of China (WLG)
Air samples collected in glass flasks.
|
Greenhouse Gases |
C13/C12 in Methane (d13C (CH4)) |
Flask |
Monthly Averages |
Multiple |
|
|
16
|
Western Pacific Cruise, (WPC)
Air samples collected in glass flasks.
|
Greenhouse Gases |
C13/C12 in Methane (d13C (CH4)) |
Flask |
Monthly Averages |
Multiple |
|
|
17
|
Ny-Alesund, Svalbard, Norway and Sweden (ZEP)
Air samples collected in glass flasks.
|
Greenhouse Gases |
C13/C12 in Methane (d13C (CH4)) |
Flask |
Monthly Averages |
Multiple |
|
|