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Mauna Loa Observatory, Hawaii


Station Name Station Code Latitude Longitude Elevation (m)
Mauna Loa Observatory, Hawaii MLO 19.5 °N 155.6 °W 3397

Description

In-situ CO2, flask CO2, and isotopic data sets taken at Mauna Loa, Observatory, Hawaii: Latitude 19.5°N Longitude 155.6°W Elevation 3397m.

These data are subject to revision based on recalibration of standard gases.

Download all Mauna Loa Observatory, Hawaii data sets

Download

Individual Data sets


In-situ CO2 Data

Measurement Frequency Data File Dates
CO2 weekly weekly_in_situ_co2_mlo.csv 1958 - present
CO2 monthly monthly_in_situ_co2_mlo.csv 1958 - present
CO2 daily daily_in_situ_co2_mlo.csv 1958 - present
CO2 ten minute ten_minute_in_situ_co2_mlo.zip 1958 - 2004

Flask CO2 Data

Measurement Frequency Data File Dates
CO2 daily daily_flask_co2_mlo.csv 1960 - present
CO2 monthly monthly_flask_co2_mlo.csv 1960 - present

Flask Isotopic Data

Measurement Frequency Data File Dates
13C/12C daily daily_flask_c13_mlo.csv 1978 - present
13C/12C monthly monthly_flask_c13_mlo.csv 1980 - present
14C/C intermittent intermittent_flask_c14_mlo.csv 2001 - 2007
18O/16O daily daily_flask_o18_mlo.csv 1978 - present
18O/16O monthly monthly_flask_o18_mlo.csv 1980 - present

Combined Data sets


Flask CO2 and Isotopic Data

Measurement Frequency Data File Dates
CO2 and Isotopes daily daily_flask_co2_isotopes_mlo.csv 1958 - present

Supplemental Material

For daily and ten minute Mauna Loa CO2 data from 1958 - 2006

Citation

Please cite as:

C. D. Keeling, S. C. Piper, R. B. Bacastow, M. Wahlen, T. P. Whorf, M. Heimann, and H. A. Meijer, Exchanges of atmospheric CO2 and 13CO2 with the terrestrial biosphere and oceans from 1978 to 2000. I. Global aspects, SIO Reference Series, No. 01-06, Scripps Institution of Oceanography, San Diego, 88 pages, 2001.

If it is necessary to cite a peer-reviewed article, please cite as:

C. D. Keeling, S. C. Piper, R. B. Bacastow, M. Wahlen, T. P. Whorf, M. Heimann, and H. A. Meijer, Atmospheric CO2 and 13CO2 exchange with the terrestrial biosphere and oceans from 1978 to 2000: observations and carbon cycle implications, pages 83-113, in "A History of Atmospheric CO2 and its effects on Plants, Animals, and Ecosystems", editors, Ehleringer, J.R., T. E. Cerling, M. D. Dearing, Springer Verlag, New York, 2005.


Usage Restrictions

Scripps CO2 program data and graphics on scrippsco2.ucsd.edu are licensed under a CC BY license, Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which clarifies appropriate uses and requirements, including that credit be given to the Scripps Institution of Oceanography at UC San Diego. Some products from this site incorporate data from sources external to the Scripps CO2 program, as indicated. Additional credit must be given for these products, as appropriate for that source.

Ethical usage may also require disclosing intentions at early stages to avoid duplicating ongoing studies at Scripps or elsewhere. For applications supporting peer-reviewed scientific publications, coauthorship may sometimes be appropriate. An example would be if an important result or conclusion depends on this product, such as the first account of a previously unreported phenomenon.

Please direct queries to Ralph Keeling (rkeeling@ucsd.edu)