Progress in the determination of the sea spray source function using satellite data

被引：6

作者：

Albert, Monique F. M. A. ^{[1
]}

Schaap, Martijn ^{[1
]}

de Leeuw, Gerrit ^{[1
,2
,3
]}

Builtjes, Peter J. H. ^{[1
]}

机构：

[1] TNO, Business Unit Environm Hlth & Safety, Utrecht, Netherlands

[2] Finnish Meteorol Inst, Climate Change Unit, FIN-00101 Helsinki, Finland

[3] Univ Helsinki, Dept Phys, Helsinki, Finland

来源：

JOURNAL OF INTEGRATIVE ENVIRONMENTAL SCIENCES | 2010年 / 7卷

关键词：

marine aerosol; remote sensing; climate;

D O I：

10.1080/19438151003621466

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Sea spray aerosol influences climate considerably through both direct and indirect aerosol effects. Climate models contain a sea spray source function, i.e. the emission rate of sea spray aerosol droplets per unit area of the sea surface, currently parameterised in terms of wind speed and sea surface temperature (SST). The uncertainty between different formulations of the sea spray source function, and thus associated with the calculated emission fluxes for sea spray aerosol, is more than a factor of 2. In addition, the fraction of organic material in sub-micrometer sea spray droplets is highly uncertain. It is expected that improved estimates can be obtained by inclusion of factors, such as wave conditions, whitecap fraction, improved SST, salinity, and chlorophyll concentration. We aim to incorporate these factors in a new sea spray emission model constrained by the use of satellite observations. Here, we present a methodology for estimating the global primary marine sub-micron organic matter emission. As a first estimate we found an annual global emission of about 20 TgC.

引用

页码：159 / 166

页数：8

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