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首页> 外文期刊>Tellus, Series B. Chemical and Physical Meteorology >Overview of the biosphere-aerosol-cloud-climate interactions (BACCI) studies
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Overview of the biosphere-aerosol-cloud-climate interactions (BACCI) studies

机译:生物圈-气溶胶-云-气候相互作用(BACCI)研究概述

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摘要

Here we present research methods and results obtained by the Nordic Centre of Excellence Biosphere-Aerosol-Cloud-Climate Interactions (BACCI) between 1 January 2003 and 31 December 2007. The centre formed an integrated attempt to understand multiple, but interlinked, biosphere-atmosphere interactions applying inter and multidisciplinary approaches in a coherent manner. The main objective was to study the life cycle of aerosol particles and their importance on climate change. The foundation in BACCI was a thorough understanding of physical, meteorological, chemical and ecophysiological processes, providing a unique possibility to study biosphere-aerosol-cloud-climate interactions. Continuous measurements of atmospheric concentrations and fluxes of aerosol particles and precursors and, CO2/aerosol trace gas interactions in different field stations (e.g. SMEAR) were supported by models of particle thermodynamics, transport and dynamics, atmospheric chemistry, boundary layer meteorology and forest growth. The main progress was related to atmospheric new particle formation, existence of clusters, composition of nucleation mode aerosol particles, chemical precursors of fresh aerosol particles, the contribution of biogenic aerosol particles on the global aerosol load, transport, transformation and deposition of aerosol particles, thermodynamics related to aerosol particles and cloud droplets, and the microphysics and chemistry of cloud droplet formation.
机译:在这里,我们介绍了2003年1月1日至2007年12月31日期间,北欧卓越生物圈-气溶胶-云-气候相互作用中心(BACCI)所获得的研究方法和结果。该中心形成了一种综合的尝试,以理解多个但相互联系的生物圈-大气。相互作用以连贯的方式应用跨学科和跨学科的方法。主要目的是研究气溶胶颗粒的生命周期及其对气候变化的重要性。 BACCI的基础是对物理,气象,化学和生态生理过程的透彻了解,为研究生物圈-气溶胶-云-气候相互作用提供了独特的可能性。颗粒物热力学,运移和动力学,大气化学,边界层气象学和森林生长模型支持连续测量大气浓度和气溶胶颗粒及其前体的通量,以及不同现场站(例如SMEAR)中的CO2 /气溶胶痕量气体相互作用。主要进展涉及大气新颗粒形成,团簇的存在,成核模式气溶胶颗粒的组成,新鲜气溶胶颗粒的化学前体,生物气溶胶颗粒对全球气溶胶负荷的贡献,气溶胶颗粒的运输,转化和沉积,与气溶胶颗粒和云滴有关的热力学,以及云滴形成的微观物理学和化学性质。

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