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Title: Comparison of airborne CO/sub 2/ flask samples and measurements from the Mauna Loa Observatory during the HAMEC project (June 1980)

Abstract

During June 1980, the Hawaii Mesoscale Energy and Climate Project (HAMEC) field program was conducted in the vicinity of the island of Hawaii. The objective of the program was to use the NOAA P3 aircraft to measure meteorological variables upwind and downwind of the island to provide data to evaluate mesoscale models of airflow and cloud physics. One specific objective was to obtain flask samples upwind of the island to confirm that the CO/sub 2/ values observed at the Mauna Loa Observatory (MLO) are representative of the free air at comparable altitudes. On 2 days, carbon dioxide flask samples were exposed aboard the aircraft at the altitude of the observatory and immediately above the trade inversion. Flask pairs in reasonable agreement were obtained on both occasions. During the same period the sampling conditions at MLO were free of obvious local contamination. The average difference between the aircraft measurements at the altitude of the observatory and the continuous CO/sub 2/ record from the observatory over the same period of time was 0.8 mole fraction in ppM. Differences in the individual measurements are discussed with respect to prevailing meteorological conditions. 11 references, 2 figures, 2 tables.

Authors:
; ;
Publication Date:
Research Org.:
NOAA, Boulder, CO
OSTI Identifier:
5938886
Alternate Identifier(s):
OSTI ID: 5938886
Report Number(s):
CONF-8109270-
Journal ID: CODEN: JGREA
Resource Type:
Conference
Journal Name:
J. Geophys. Res.; (United States)
Additional Journal Information:
Journal Volume: 88:C11; Conference: Carbon dioxide symposium, Bern, Switzerland, 14 Sep 1981
Country of Publication:
United States
Language:
English
Subject:
54 ENVIRONMENTAL SCIENCES; CARBON DIOXIDE; SAMPLING; AERIAL MONITORING; COMPARATIVE EVALUATIONS; HAWAII; CARBON COMPOUNDS; CARBON OXIDES; CHALCOGENIDES; FEDERAL REGION IX; MONITORING; NORTH AMERICA; OXIDES; OXYGEN COMPOUNDS; USA 500200* -- Environment, Atmospheric-- Chemicals Monitoring & Transport-- (-1989)

Citation Formats

Herbert, G.A., Harris, T.B., and Chin, J.F.S. Comparison of airborne CO/sub 2/ flask samples and measurements from the Mauna Loa Observatory during the HAMEC project (June 1980). United States: N. p., 1983. Web.
Herbert, G.A., Harris, T.B., & Chin, J.F.S. Comparison of airborne CO/sub 2/ flask samples and measurements from the Mauna Loa Observatory during the HAMEC project (June 1980). United States.
Herbert, G.A., Harris, T.B., and Chin, J.F.S. Sat . "Comparison of airborne CO/sub 2/ flask samples and measurements from the Mauna Loa Observatory during the HAMEC project (June 1980)". United States.
@article{osti_5938886,
title = {Comparison of airborne CO/sub 2/ flask samples and measurements from the Mauna Loa Observatory during the HAMEC project (June 1980)},
author = {Herbert, G.A. and Harris, T.B. and Chin, J.F.S.},
abstractNote = {During June 1980, the Hawaii Mesoscale Energy and Climate Project (HAMEC) field program was conducted in the vicinity of the island of Hawaii. The objective of the program was to use the NOAA P3 aircraft to measure meteorological variables upwind and downwind of the island to provide data to evaluate mesoscale models of airflow and cloud physics. One specific objective was to obtain flask samples upwind of the island to confirm that the CO/sub 2/ values observed at the Mauna Loa Observatory (MLO) are representative of the free air at comparable altitudes. On 2 days, carbon dioxide flask samples were exposed aboard the aircraft at the altitude of the observatory and immediately above the trade inversion. Flask pairs in reasonable agreement were obtained on both occasions. During the same period the sampling conditions at MLO were free of obvious local contamination. The average difference between the aircraft measurements at the altitude of the observatory and the continuous CO/sub 2/ record from the observatory over the same period of time was 0.8 mole fraction in ppM. Differences in the individual measurements are discussed with respect to prevailing meteorological conditions. 11 references, 2 figures, 2 tables.},
doi = {},
journal = {J. Geophys. Res.; (United States)},
number = ,
volume = 88:C11,
place = {United States},
year = {1983},
month = {8}
}

Conference:
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