Chemistry Faculty Publications
 

Source Publication

Geophysical Research Letters

Document Type

Article

Publication Date

6-15-2001

Volume

28

Issue

12

First Page

2405

Last Page

2408

DOI

10.1029/2000GL012615

Abstract

In situ measurements of NO, NO2, O3, HO2, C1O, pressure, and temperature have been made at high solar zenith angles (SZA, 70° - 93°) in the lower stratosphere. These measurements are used to derive the photolysis rate of NO2, JNO2, using a time-dependent method. The resultant JNO2 values and the results of a multiple-scattering actinic flux model show a linear relationship throughout the SZA range. The difference of the two sets of JNO2 values of about 11% suggests that the model scattering calculation is very accurate at high SZA conditions near sunrise and sunset.

Comments

This article was originally published in Geophysical Research Letters.

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