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.

Category Aerosols (123) Meteorology (73) Halocompounds (39) Greenhouse Gases (27) Non-Methane Hydrocarbons (6) Ozone (2) Radiation (1)

Parameter name Aerosols (123) Meteorology (73) CFC-11 (6) CFC-12 (6) Carbon Tetrachloride (6) Methyl Chloroform (6) Nitrous Oxide (6) Carbon Dioxide (5) CFC-113 (3) HCFC-142b (3) HCFC-22 (3) Halon-1211 (3) Methane (3) Methyl Chloride (3) Sulfur Hexafluoride (3) C13/C12 in Carbon Dioxide (2) C13/C12 in Methane (2) Carbon Monoxide (2) Molecular Hydrogen (2) O18/O16 in Carbon Dioxide (2) Ozone (2) Surface Radiation (1) ethane (1) i-butane (1) i-pentane (1) n-butane (1) n-pentane (1) propane (1)

Type Insitu (250) Flask (20) Remote Sensing (1)

Frequency Hourly Averages (103) Monthly Averages (65) Daily Averages (59) Minute Averages (30) Discrete (14)

Site BRW (271)

Information about site codes can be found here.

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	Site	Category	Name	Type	Frequency	Year	Data
1	Barrow, Alaska, United States (BRW) Continuous in-situ CATS GC measurements.	Halocompounds	Carbon Tetrachloride (CCl4)	Insitu	Daily Averages	Multiple
2	Barrow, Alaska, United States (BRW) Continuous in-situ CATS GC measurements.	Halocompounds	Methyl Chloroform (CH3CCl3)	Insitu	Daily Averages	Multiple
3	Barrow, Alaska, United States (BRW) Continuous in-situ CATS GC measurements.	Halocompounds	CFC-11 (cfc11)	Insitu	Daily Averages	Multiple
4	Barrow, Alaska, United States (BRW) Continuous in-situ CATS GC measurements.	Halocompounds	CFC-113 (cfc113)	Insitu	Daily Averages	Multiple
5	Barrow, Alaska, United States (BRW) Continuous in-situ CATS GC measurements.	Halocompounds	CFC-12 (cfc12)	Insitu	Daily Averages	Multiple
6	Barrow, Alaska, United States (BRW) Continuous in-situ CATS GC measurements.	Halocompounds	Methyl Chloride (ch3cl)	Insitu	Daily Averages	Multiple
7	Barrow, Alaska, United States (BRW) Continuous in-situ CATS GC measurements.	Halocompounds	Halon-1211 (h1211)	Insitu	Daily Averages	Multiple
8	Barrow, Alaska, United States (BRW) Continuous in-situ CATS GC measurements.	Halocompounds	HCFC-142b (hcfc142b)	Insitu	Daily Averages	Multiple
9	Barrow, Alaska, United States (BRW) Continuous in-situ CATS GC measurements.	Halocompounds	HCFC-22 (hcfc22)	Insitu	Daily Averages	Multiple
10	Barrow, Alaska, United States (BRW) Continuous in-situ CATS GC measurements.	Greenhouse Gases	Nitrous Oxide (n2o)	Insitu	Daily Averages	Multiple
11	Barrow, Alaska, United States (BRW) Continuous in-situ CATS GC measurements.	Greenhouse Gases	Sulfur Hexafluoride (sf6)	Insitu	Daily Averages	Multiple
12	Barrow, Alaska, United States (BRW) Continuous in-situ CATS GC measurements.	Halocompounds	Carbon Tetrachloride (CCl4)	Insitu	Hourly Averages	Multiple
13	Barrow, Alaska, United States (BRW) Continuous in-situ CATS GC measurements.	Halocompounds	Methyl Chloroform (CH3CCl3)	Insitu	Hourly Averages	Multiple
14	Barrow, Alaska, United States (BRW) Continuous in-situ CATS GC measurements.	Halocompounds	CFC-11 (cfc11)	Insitu	Hourly Averages	Multiple
15	Barrow, Alaska, United States (BRW) Continuous in-situ CATS GC measurements.	Halocompounds	CFC-113 (cfc113)	Insitu	Hourly Averages	Multiple
16	Barrow, Alaska, United States (BRW) Continuous in-situ CATS GC measurements.	Halocompounds	CFC-12 (cfc12)	Insitu	Hourly Averages	Multiple
17	Barrow, Alaska, United States (BRW) Continuous in-situ CATS GC measurements.	Halocompounds	Methyl Chloride (ch3cl)	Insitu	Hourly Averages	Multiple
18	Barrow, Alaska, United States (BRW) Continuous in-situ CATS GC measurements.	Halocompounds	Halon-1211 (h1211)	Insitu	Hourly Averages	Multiple
19	Barrow, Alaska, United States (BRW) Continuous in-situ CATS GC measurements.	Halocompounds	HCFC-142b (hcfc142b)	Insitu	Hourly Averages	Multiple
20	Barrow, Alaska, United States (BRW) Continuous in-situ CATS GC measurements.	Halocompounds	HCFC-22 (hcfc22)	Insitu	Hourly Averages	Multiple
21	Barrow, Alaska, United States (BRW) Continuous in-situ CATS GC measurements.	Greenhouse Gases	Nitrous Oxide (n2o)	Insitu	Hourly Averages	Multiple
22	Barrow, Alaska, United States (BRW) Continuous in-situ CATS GC measurements.	Greenhouse Gases	Sulfur Hexafluoride (sf6)	Insitu	Hourly Averages	Multiple
23	Barrow, Alaska, United States (BRW) Continuous in-situ CATS GC measurements.	Halocompounds	Carbon Tetrachloride (CCl4)	Insitu	Monthly Averages	Multiple
24	Barrow, Alaska, United States (BRW) Continuous in-situ CATS GC measurements.	Halocompounds	Methyl Chloroform (CH3CCl3)	Insitu	Monthly Averages	Multiple
25	Barrow, Alaska, United States (BRW) Continuous in-situ CATS GC measurements.	Halocompounds	CFC-11 (cfc11)	Insitu	Monthly Averages	Multiple
26	Barrow, Alaska, United States (BRW) Continuous in-situ CATS GC measurements.	Halocompounds	CFC-113 (cfc113)	Insitu	Monthly Averages	Multiple
27	Barrow, Alaska, United States (BRW) Continuous in-situ CATS GC measurements.	Halocompounds	CFC-12 (cfc12)	Insitu	Monthly Averages	Multiple
28	Barrow, Alaska, United States (BRW) Continuous in-situ CATS GC measurements.	Halocompounds	Methyl Chloride (ch3cl)	Insitu	Monthly Averages	Multiple
29	Barrow, Alaska, United States (BRW) Continuous in-situ CATS GC measurements.	Halocompounds	Halon-1211 (h1211)	Insitu	Monthly Averages	Multiple
30	Barrow, Alaska, United States (BRW) Continuous in-situ CATS GC measurements.	Halocompounds	HCFC-142b (hcfc142b)	Insitu	Monthly Averages	Multiple
31	Barrow, Alaska, United States (BRW) Continuous in-situ CATS GC measurements.	Halocompounds	HCFC-22 (hcfc22)	Insitu	Monthly Averages	Multiple
32	Barrow, Alaska, United States (BRW) Continuous in-situ CATS GC measurements.	Greenhouse Gases	Nitrous Oxide (n2o)	Insitu	Monthly Averages	Multiple
33	Barrow, Alaska, United States (BRW) Continuous in-situ CATS GC measurements.	Greenhouse Gases	Sulfur Hexafluoride (sf6)	Insitu	Monthly Averages	Multiple
34	Barrow, Alaska, United States (BRW) Continuous in-situ RITS GC measurements.	Halocompounds	Carbon Tetrachloride (CCl4)	Insitu	Daily Averages	Multiple
35	Barrow, Alaska, United States (BRW) Continuous in-situ RITS GC measurements.	Halocompounds	Methyl Chloroform (CH3CCl3)	Insitu	Daily Averages	Multiple
36	Barrow, Alaska, United States (BRW) Continuous in-situ RITS GC measurements.	Halocompounds	CFC-11 (cfc11)	Insitu	Daily Averages	Multiple
37	Barrow, Alaska, United States (BRW) Continuous in-situ RITS GC measurements.	Halocompounds	CFC-12 (cfc12)	Insitu	Daily Averages	Multiple
38	Barrow, Alaska, United States (BRW) Continuous in-situ RITS GC measurements.	Greenhouse Gases	Nitrous Oxide (n2o)	Insitu	Daily Averages	Multiple
39	Barrow, Alaska, United States (BRW) Continuous in-situ RITS GC measurements.	Halocompounds	Carbon Tetrachloride (CCl4)	Insitu	Hourly Averages	Multiple
40	Barrow, Alaska, United States (BRW) Continuous in-situ RITS GC measurements.	Halocompounds	Methyl Chloroform (CH3CCl3)	Insitu	Hourly Averages	Multiple
41	Barrow, Alaska, United States (BRW) Continuous in-situ RITS GC measurements.	Halocompounds	CFC-11 (cfc11)	Insitu	Hourly Averages	Multiple
42	Barrow, Alaska, United States (BRW) Continuous in-situ RITS GC measurements.	Halocompounds	CFC-12 (cfc12)	Insitu	Hourly Averages	Multiple
43	Barrow, Alaska, United States (BRW) Continuous in-situ RITS GC measurements.	Greenhouse Gases	Nitrous Oxide (n2o)	Insitu	Hourly Averages	Multiple
44	Barrow, Alaska, United States (BRW) Continuous in-situ RITS GC measurements.	Halocompounds	Carbon Tetrachloride (CCl4)	Insitu	Monthly Averages	Multiple
45	Barrow, Alaska, United States (BRW) Continuous in-situ RITS GC measurements.	Halocompounds	Methyl Chloroform (CH3CCl3)	Insitu	Monthly Averages	Multiple
46	Barrow, Alaska, United States (BRW) Continuous in-situ RITS GC measurements.	Halocompounds	CFC-11 (cfc11)	Insitu	Monthly Averages	Multiple
47	Barrow, Alaska, United States (BRW) Continuous in-situ RITS GC measurements.	Halocompounds	CFC-12 (cfc12)	Insitu	Monthly Averages	Multiple
48	Barrow, Alaska, United States (BRW) Continuous in-situ RITS GC measurements.	Greenhouse Gases	Nitrous Oxide (n2o)	Insitu	Monthly Averages	Multiple
49	Barrow, Alaska, United States (BRW) Dobson measurements of total ozone.	Ozone	Ozone (o3)	Remote Sensing	Discrete	Multiple
50	Barrow, Alaska, United States (BRW) Continuous In-situ measurements of meteorology	Meteorology	Meteorology (met)	Insitu	Hourly Averages	1973