The influence of size-dependent droplet composition on pollutant processing by fogs. Fahey, K., M., Pandis, S., N., Collett, J., L., & Herckes, P. Atmos. Environ., 39:4561-4574, 2005. abstract bibtex The effects of size-dependent fog chemistry and
physics on the pre-fog aerosol size/composition distribution are
examined for a San Joaquin Valley fog. In this paper, we compare
the results of a size-resolved fog model with measurements from
Colorado State University's five-stage and bulk cloud collectors.
The model reproduces the amounts and trends of the observed bulk
fog water concentrations and size-dependent composition of the
major species (sulfate, ammonium, nitrate, sodium, chloride,
calcium). We examine the size-dependent evolution of the measured
species and compare sulfate concentrations predicted by the highly
size-resolved fog model with the variable size resolution model
(VSRM) [Fahey and Pandis, 2001. Atmospheric Environment 35,
4471-4478]. It is shown that for lengthy fog events in relatively
clean environments deposition of fog droplets is the most important
process for the evolution of the size/composition distribution of
aerosols over the course of fog processing. The results indicate a
need for a larger number of measurements of deposition fluxes for
individual species and the need for aqueous-phase concentration
measurements from the early formation stage of fogs. (c) 2005
Elsevier Ltd. All rights reserved. C1 Carnegie Mellon Univ, Dept
Chem Engn, Pittsburgh, PA 15213 USA. Colorado State Univ, Dept
Atmospher Sci, Ft Collins, CO 80523 USA.
@article{
title = {The influence of size-dependent droplet composition on pollutant processing by fogs},
type = {article},
year = {2005},
pages = {4561-4574},
volume = {39},
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last_modified = {2017-03-14T17:32:24.802Z},
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abstract = {The effects of size-dependent fog chemistry and
physics on the pre-fog aerosol size/composition distribution are
examined for a San Joaquin Valley fog. In this paper, we compare
the results of a size-resolved fog model with measurements from
Colorado State University's five-stage and bulk cloud collectors.
The model reproduces the amounts and trends of the observed bulk
fog water concentrations and size-dependent composition of the
major species (sulfate, ammonium, nitrate, sodium, chloride,
calcium). We examine the size-dependent evolution of the measured
species and compare sulfate concentrations predicted by the highly
size-resolved fog model with the variable size resolution model
(VSRM) [Fahey and Pandis, 2001. Atmospheric Environment 35,
4471-4478]. It is shown that for lengthy fog events in relatively
clean environments deposition of fog droplets is the most important
process for the evolution of the size/composition distribution of
aerosols over the course of fog processing. The results indicate a
need for a larger number of measurements of deposition fluxes for
individual species and the need for aqueous-phase concentration
measurements from the early formation stage of fogs. (c) 2005
Elsevier Ltd. All rights reserved. C1 Carnegie Mellon Univ, Dept
Chem Engn, Pittsburgh, PA 15213 USA. Colorado State Univ, Dept
Atmospher Sci, Ft Collins, CO 80523 USA.},
bibtype = {article},
author = {Fahey, K M and Pandis, S N and Collett, J L and Herckes, P},
journal = {Atmos. Environ.}
}
Downloads: 0
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In this paper, we compare\nthe results of a size-resolved fog model with measurements from\nColorado State University's five-stage and bulk cloud collectors.\nThe model reproduces the amounts and trends of the observed bulk\nfog water concentrations and size-dependent composition of the\nmajor species (sulfate, ammonium, nitrate, sodium, chloride,\ncalcium). We examine the size-dependent evolution of the measured\nspecies and compare sulfate concentrations predicted by the highly\nsize-resolved fog model with the variable size resolution model\n(VSRM) [Fahey and Pandis, 2001. Atmospheric Environment 35,\n4471-4478]. It is shown that for lengthy fog events in relatively\nclean environments deposition of fog droplets is the most important\nprocess for the evolution of the size/composition distribution of\naerosols over the course of fog processing. The results indicate a\nneed for a larger number of measurements of deposition fluxes for\nindividual species and the need for aqueous-phase concentration\nmeasurements from the early formation stage of fogs. (c) 2005\nElsevier Ltd. All rights reserved. C1 Carnegie Mellon Univ, Dept\nChem Engn, Pittsburgh, PA 15213 USA. Colorado State Univ, Dept\nAtmospher Sci, Ft Collins, CO 80523 USA.","bibtype":"article","author":"Fahey, K M and Pandis, S N and Collett, J L and Herckes, P","journal":"Atmos. 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In this paper, we compare\nthe results of a size-resolved fog model with measurements from\nColorado State University's five-stage and bulk cloud collectors.\nThe model reproduces the amounts and trends of the observed bulk\nfog water concentrations and size-dependent composition of the\nmajor species (sulfate, ammonium, nitrate, sodium, chloride,\ncalcium). We examine the size-dependent evolution of the measured\nspecies and compare sulfate concentrations predicted by the highly\nsize-resolved fog model with the variable size resolution model\n(VSRM) [Fahey and Pandis, 2001. Atmospheric Environment 35,\n4471-4478]. It is shown that for lengthy fog events in relatively\nclean environments deposition of fog droplets is the most important\nprocess for the evolution of the size/composition distribution of\naerosols over the course of fog processing. The results indicate a\nneed for a larger number of measurements of deposition fluxes for\nindividual species and the need for aqueous-phase concentration\nmeasurements from the early formation stage of fogs. (c) 2005\nElsevier Ltd. All rights reserved. C1 Carnegie Mellon Univ, Dept\nChem Engn, Pittsburgh, PA 15213 USA. Colorado State Univ, Dept\nAtmospher Sci, Ft Collins, CO 80523 USA.},\n bibtype = {article},\n author = {Fahey, K M and Pandis, S N and Collett, J L and Herckes, P},\n journal = {Atmos. 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