Influence of transport over a mountain ridge on the chemical composition of marine aerosols during the ACE-2 Hillcloud Experiment

Andrew Allen; BM Davison; Jonathan James; L Robertson; Roy Harrison; CN Hewitt

doi:10.1023/A:1013868729960

Influence of transport over a mountain ridge on the chemical composition of marine aerosols during the ACE-2 Hillcloud Experiment

Andrew Allen, BM Davison, Jonathan James, L Robertson, Roy Harrison, CN Hewitt

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Abstract

Aerosol chemical composition and trace gas measurements were made at two locations on the northeastern peninsula of Tenerife during the ACE-2 HILLCLOUD experiment, between 28 June and 23 July 1997. Measurements were made of coarse (>2.5 mum aerodynamic diameter) and fine (10.0 mum (NSSS and NH4+), and 0.3, 1.5 and 4.0 mum (MSA). No significant production of other aerosol species was observed, with the exception of ammonium, which was formed at variable rates dependent on neutralisation of the aerosol with ammonia released from spatially non-uniform surface sources. Seasalt components were mainly present in coarse particles, although sub-micrometre chloride was also measured. Losses by deposition exceeded calculated expectations for all species, and were highest for the seasalt fraction and nitrate.

Original language	English
Pages (from-to)	83-107
Number of pages	25
Journal	Journal of Atmospheric Chemistry
Volume	41
DOIs	https://doi.org/10.1023/A:1013868729960
Publication status	Published - 1 Jan 2002

Keywords

sulphate
dimethylsulphide
marine aerosols
deposition
ACE-2
methanesulphonate

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1023/A:1013868729960

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title = "Influence of transport over a mountain ridge on the chemical composition of marine aerosols during the ACE-2 Hillcloud Experiment",

abstract = "Aerosol chemical composition and trace gas measurements were made at two locations on the northeastern peninsula of Tenerife during the ACE-2 HILLCLOUD experiment, between 28 June and 23 July 1997. Measurements were made of coarse (>2.5 mum aerodynamic diameter) and fine (10.0 mum (NSSS and NH4+), and 0.3, 1.5 and 4.0 mum (MSA). No significant production of other aerosol species was observed, with the exception of ammonium, which was formed at variable rates dependent on neutralisation of the aerosol with ammonia released from spatially non-uniform surface sources. Seasalt components were mainly present in coarse particles, although sub-micrometre chloride was also measured. Losses by deposition exceeded calculated expectations for all species, and were highest for the seasalt fraction and nitrate.",

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T1 - Influence of transport over a mountain ridge on the chemical composition of marine aerosols during the ACE-2 Hillcloud Experiment

AU - Allen, Andrew

AU - Davison, BM

AU - James, Jonathan

AU - Robertson, L

AU - Harrison, Roy

AU - Hewitt, CN

PY - 2002/1/1

Y1 - 2002/1/1

N2 - Aerosol chemical composition and trace gas measurements were made at two locations on the northeastern peninsula of Tenerife during the ACE-2 HILLCLOUD experiment, between 28 June and 23 July 1997. Measurements were made of coarse (>2.5 mum aerodynamic diameter) and fine (10.0 mum (NSSS and NH4+), and 0.3, 1.5 and 4.0 mum (MSA). No significant production of other aerosol species was observed, with the exception of ammonium, which was formed at variable rates dependent on neutralisation of the aerosol with ammonia released from spatially non-uniform surface sources. Seasalt components were mainly present in coarse particles, although sub-micrometre chloride was also measured. Losses by deposition exceeded calculated expectations for all species, and were highest for the seasalt fraction and nitrate.

AB - Aerosol chemical composition and trace gas measurements were made at two locations on the northeastern peninsula of Tenerife during the ACE-2 HILLCLOUD experiment, between 28 June and 23 July 1997. Measurements were made of coarse (>2.5 mum aerodynamic diameter) and fine (10.0 mum (NSSS and NH4+), and 0.3, 1.5 and 4.0 mum (MSA). No significant production of other aerosol species was observed, with the exception of ammonium, which was formed at variable rates dependent on neutralisation of the aerosol with ammonia released from spatially non-uniform surface sources. Seasalt components were mainly present in coarse particles, although sub-micrometre chloride was also measured. Losses by deposition exceeded calculated expectations for all species, and were highest for the seasalt fraction and nitrate.

KW - sulphate

KW - dimethylsulphide

KW - marine aerosols

KW - deposition

KW - ACE-2

KW - methanesulphonate

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U2 - 10.1023/A:1013868729960

DO - 10.1023/A:1013868729960

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VL - 41

SP - 83

EP - 107

JO - Journal of Atmospheric Chemistry

JF - Journal of Atmospheric Chemistry

ER -

Influence of transport over a mountain ridge on the chemical composition of marine aerosols during the ACE-2 Hillcloud Experiment

Abstract

Keywords

UN SDGs

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