A model study of atmospheric temperatures and the concentrations of ozone, hydroxyl, and some other photochemically active gases during the glacial, the pre-industrial holocene and the present

Journal Article · Mon Jun 07 00:00:00 EDT 1993 · Geophysical Research Letters (American Geophysical Union); (United States)

DOI:https://doi.org/10.1029/93GL01423· OSTI ID:6145646

Crutzen, P J; Bruehl, C ^[1]

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1. Max-Planck-Institute for Chemistry, Mainz (Germany)

This paper presents a one and one half D calculation of the atmospheric content of CO[sub 2], CH[sub 4], and N[sub 2]O, along with temperature changes, from the glacial, pre-industrial holocene, to the industrial era. The question is what the changes in these gases have done to the atmospheric abundance of ozone and hydroxyl radical. There have been large increases in the first three gases over this time span, and yet the column abundance of ozone has remained relatively constant. Todays heterogeneous reactions with halogen compounds are decreasing ozone abundance, particularly in certain seasons and regions. The atmospheric loss rates of CH[sub 4] have varied considerably over this period.

• OSTI ID: 6145646
• Journal Information: Geophysical Research Letters (American Geophysical Union); (United States), Vol. 20:11; ISSN 0094-8276
• Country of Publication: United States
• Language: English

Related Subjects

54 ENVIRONMENTAL SCIENCES
CARBON DIOXIDE
ECOLOGICAL CONCENTRATION
EARTH ATMOSPHERE
PALEOCLIMATOLOGY
HYDROXYL RADICALS
METHANE
NITROUS OXIDE
OZONE
AMBIENT TEMPERATURE
COMPUTERIZED SIMULATION
HALOGEN COMPOUNDS
QUATERNARY PERIOD
ALKANES
CARBON COMPOUNDS
CARBON OXIDES
CENOZOIC ERA
CHALCOGENIDES
GEOLOGIC AGES
HYDROCARBONS
NITROGEN COMPOUNDS
NITROGEN OXIDES
ORGANIC COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
PALEONTOLOGY
RADICALS
SIMULATION
540120* - Environment
Atmospheric- Chemicals Monitoring & Transport- (1990-)