Modeling and Diagnostics
Breakout Session Summary
DOE Atmospheric Chemistry Program Annual Meeting, February 1999
Reported by
Wei-Chyung Wang
State University of New York at Albany
The session addressed primarily the "interaction between the modeling
and measurement activities." One consensus is that there is a need for
active interaction between the modeling and measurement groups. In this
regard, the difference in temporal and spatial scales between large-scale
model simulations and field experiments is a major issue. Given this consideration,
the following are suggested from a hierarchy model perspective covering
large-, regional-, and small-scales:
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To conduct Lagrangian experiments over the continental United States so
that the measurement data at several sites can be used collectively to
examine the temporal evolution as well as the spatial pattern;
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To work with measurement groups to test chemical "hypothesis" based on
theoretical understanding;
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To provide ideas and diagnostics so that the field experiments can be designed
for testing the anticipated species distribution;
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To examine specific ratios of species as determined from the field measurements
as part of model validation;
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To encourage the field programs to measure OH, HO2,
and actinic flux;
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To study the longer-term issues such as the effect on atmospheric chemistry
associated with future scenarios for climate changes;
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To investigate the subgrid-scale parameterization for chemistry and boundary
layer.