globalchange  > 气候减缓与适应
DOI: 10.1038/ngeo2599
论文题名:
Sub-micrometre particulate matter is primarily in liquid form over Amazon rainforest
作者: Bateman A.P.; Gong Z.; Liu P.; Sato B.; Cirino G.; Zhang Y.; Artaxo P.; Bertram A.K.; Manzi A.O.; Rizzo L.V.; Souza R.A.F.; Zaveri R.A.; Martin S.T.
刊名: Nature Geoscience
ISSN: 17520894
出版年: 2016
卷: 9, 期:1
起始页码: 34
结束页码: 37
语种: 英语
Scopus关键词: atmospheric particle ; boreal forest ; cloud cover ; energy balance ; liquid ; particle size ; rainforest ; relative humidity ; solar radiation ; temperature profile ; Amazonia ; Northern Europe
英文摘要: Atmospheric particulate matter influences the Earth's energy balance directly, by altering or absorbing solar radiation, and indirectly by influencing cloud formation. Whether organic particulate matter exists in a liquid, semi-solid, or solid state can affect particle growth and reactivity, and hence particle number, size and composition. The properties and abundance of particles, in turn, influence their direct and indirect effects on energy balance. Non-liquid particulate matter was identified over a boreal forest of Northern Europe, but laboratory studies suggest that, at higher relative humidity levels, particles can be liquid. Here we measure the physical state of particulate matter with diameters smaller than 1 Î 1/4m over the tropical rainforest of central Amazonia in 2013. A real-time particle rebound technique shows that the particulate matter was liquid for relative humidity greater than 80% for temperatures between 296 and 300 K during both the wet and dry seasons. Combining these findings with the distributions of relative humidity and temperature in Amazonia, we conclude that near-surface sub-micrometre particulate matter in Amazonia is liquid most of the time during both the wet and the dry seasons. © 2015 Macmillan Publishers Limited. All rights reserved.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/106105
Appears in Collections:气候减缓与适应
科学计划与规划

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作者单位: School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, United States; Federal University of Saõ Carlos, Saõ Paulo, Brazil; National Institute of Amazonian Research, Manaus, Amazonas, Brazil; University of Saõ Paulo, Saõ Paulo, Brazil; Department of Chemistry, University of British Columbia, Vancouver, BC, Canada; Department of Earth and Exact Sciences, Federal University of Saõ Paulo, Saõ Paulo, Brazil; Amazonas State University, Amazonas, Brazil; Pacific Northwest National Laboratory, Richland, WA, United States; Department of Earth and Planetary Sciences, Harvard University, Cambridge, MA, United States

Recommended Citation:
Bateman A.P.,Gong Z.,Liu P.,et al. Sub-micrometre particulate matter is primarily in liquid form over Amazon rainforest[J]. Nature Geoscience,2016-01-01,9(1)
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