Ratios of peroxyacetyl nitrate to active nitrogen observed during aircraft flights over the eastern Pacific Oceans and continental United States. Ridley, B., A., Shetter, J., D., Gandrud, B., W., Salas, L., J., Singh, H., B., Carroll, M., A., Hubler, G., Albritton, D., L., Hastie, D., R., Schiff, H., I., Mackay, G., I., Karechi, D., R., Davis, D., D., Bradshaw, J., D., Rodgers, M., O., Sandholm, S., T., Torres, A., L., Condon, E., P., Gregory, G., L., & Beck, S., M. Journal of Geophysical Research, 95(D7):10179-10192, 1990. abstract bibtex During August and September 1986, 11 aircraft flights were made over the eastern Pacific Ocean and continental United States. The observations included simultaneous measurements of peroxyacetyl nitrate (PAN) and active nitrogen (NO/sub x/=NO+NO/sub 2/). At altitudes of 4.5-6.1 km in the middle free troposphere, PAN was usually 5-6 times NO/sub x/ in maritime air masses and 2-4 times NO/sub x/ in continental air masses. The observations show that PAN can be a major component of the odd nitrogen budget in the middle free troposphere and confirm that the abundance is mainly governed by long-range transport processes including formation during transport and continental boundary layer to free tropospheric exchange of PAN and its precursors. PAN can be transformed to active nitrogen and peroxy radicals by a variety of physical atmospheric processes that lead to air mass warming. The large ratios of reservoir PAN to active NO/sub x/ imply an important role for PAN in the eastern Pacific remote free troposphere.
@article{
title = {Ratios of peroxyacetyl nitrate to active nitrogen observed during aircraft flights over the eastern Pacific Oceans and continental United States},
type = {article},
year = {1990},
keywords = {0 to 6 km,4.5 to 6.1 km,AD 1986 08 11 to 09 05,Active NO/sub x/,Air mass warming,Air pollution,Aircraft flights,Atmospheric chemistry,Atmospheric composition,Atmospheric movements,Continental United States,Continental air masses,Continental boundary layer to free tropospheric ex,Eastern Pacific Ocean,Long-range transport processes,Lower free troposphere,Marine boundary layer,Maritime air masses,Middle free troposphere,NASA GTE/CITE 2 mission,NO/sub 2/,Organic compounds,PAN formation,PAN transformation,Peroxy radicals,Peroxyacetyl nitrate/NO/sub x/ ratios,Peroxyacetyl radicals,Physical atmospheric processes,Reservoir PAN,September 1986,Transport processes,Troposphere,Troposphere odd N budget,no,usa},
pages = {10179-10192},
volume = {95},
id = {3ee2b9bf-a686-3010-a56a-5f5a0191617d},
created = {2015-02-12T14:34:16.000Z},
file_attached = {false},
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group_id = {63e349d6-2c70-3938-9e67-2f6483f6cbab},
last_modified = {2015-02-12T20:19:38.000Z},
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confirmed = {true},
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source_type = {Journal Article},
notes = {<m:note>Article</m:note>},
abstract = {During August and September 1986, 11 aircraft flights were made over the eastern Pacific Ocean and continental United States. The observations included simultaneous measurements of peroxyacetyl nitrate (PAN) and active nitrogen (NO/sub x/=NO+NO/sub 2/). At altitudes of 4.5-6.1 km in the middle free troposphere, PAN was usually 5-6 times NO/sub x/ in maritime air masses and 2-4 times NO/sub x/ in continental air masses. The observations show that PAN can be a major component of the odd nitrogen budget in the middle free troposphere and confirm that the abundance is mainly governed by long-range transport processes including formation during transport and continental boundary layer to free tropospheric exchange of PAN and its precursors. PAN can be transformed to active nitrogen and peroxy radicals by a variety of physical atmospheric processes that lead to air mass warming. The large ratios of reservoir PAN to active NO/sub x/ imply an important role for PAN in the eastern Pacific remote free troposphere.},
bibtype = {article},
author = {Ridley, B A and Shetter, J D and Gandrud, B W and Salas, L J and Singh, H B and Carroll, M A and Hubler, G and Albritton, D L and Hastie, D R and Schiff, H I and Mackay, G I and Karechi, D R and Davis, D D and Bradshaw, J D and Rodgers, M O and Sandholm, S T and Torres, A L and Condon, E P and Gregory, G L and Beck, S M},
journal = {Journal of Geophysical Research},
number = {D7}
}
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The observations included simultaneous measurements of peroxyacetyl nitrate (PAN) and active nitrogen (NO/sub x/=NO+NO/sub 2/). At altitudes of 4.5-6.1 km in the middle free troposphere, PAN was usually 5-6 times NO/sub x/ in maritime air masses and 2-4 times NO/sub x/ in continental air masses. The observations show that PAN can be a major component of the odd nitrogen budget in the middle free troposphere and confirm that the abundance is mainly governed by long-range transport processes including formation during transport and continental boundary layer to free tropospheric exchange of PAN and its precursors. PAN can be transformed to active nitrogen and peroxy radicals by a variety of physical atmospheric processes that lead to air mass warming. 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The observations included simultaneous measurements of peroxyacetyl nitrate (PAN) and active nitrogen (NO/sub x/=NO+NO/sub 2/). At altitudes of 4.5-6.1 km in the middle free troposphere, PAN was usually 5-6 times NO/sub x/ in maritime air masses and 2-4 times NO/sub x/ in continental air masses. The observations show that PAN can be a major component of the odd nitrogen budget in the middle free troposphere and confirm that the abundance is mainly governed by long-range transport processes including formation during transport and continental boundary layer to free tropospheric exchange of PAN and its precursors. PAN can be transformed to active nitrogen and peroxy radicals by a variety of physical atmospheric processes that lead to air mass warming. 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