On the atmospheric photochemistry of nitric acid

Measurements of the temporal and spatial variations in HNO3, particularly those from the Nimbus 7 limb IR monitor of the stratosphere (LIMS) satellite experiment, are compared to both a two-dimensional chemical/dynamical model and to chemistry/parcel trajectory analyses. Significant discrepancies ar...

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Bibliographic Details
Main Authors: Austin, J., Garcia, R. R., Russell, J. M., III, Solomon, S., Tuck, A. F.
Format: Other/Unknown Material
Language:unknown
Published: 1986
Subjects:
46
polar night
Online Access:http://ntrs.nasa.gov/search.jsp?R=19860052101
Description
Summary:Measurements of the temporal and spatial variations in HNO3, particularly those from the Nimbus 7 limb IR monitor of the stratosphere (LIMS) satellite experiment, are compared to both a two-dimensional chemical/dynamical model and to chemistry/parcel trajectory analyses. Significant discrepancies are found between the observed and modeled variations in the winter season, especially in the polar night region. The study of the evolution of HNO3 suggests that an important source exists for this species in the high-latitude winter stratosphere that is not included in presently accepted photochemical schemes. Possible reactions to account for this discrepancy are explored.

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