DOI: 10.1175/JCLI-D-17-0439.1
Scopus记录号: 2-s2.0-85047101698
论文题名: A PDRMIP Multimodel study on the impacts of regional aerosol forcings on global and regional precipitation
作者: Liu L. ; Shawki D. ; Voulgarakis A. ; Kasoar M. ; Samset B.H. ; Myhre G. ; Forster P.M. ; Hodnebrog Ø. ; Sillmann J. ; Aalbergsjø S.G. ; Boucher O. ; Faluvegi G. ; Iversen T. ; Kirkevåg A. ; Lamarque J.-F. ; Olivié D. ; Richardson T. ; Shindell D. ; Takemura T.
刊名: Journal of Climate
ISSN: 8948755
出版年: 2018
卷: 31, 期: 11 起始页码: 4429
结束页码: 4447
语种: 英语
英文关键词: Aerosols
; Atmosphere
; Climate models
; Energy budget/balance
; Precipitation
; Radiative forcing
Scopus关键词: Aerosols
; Atmospheric radiation
; Budget control
; Climate models
; Earth atmosphere
; Greenhouse gases
; Precipitation (chemical)
; Sulfur compounds
; Atmospheric absorption
; Atmospheric dynamics
; Energy budget/balance
; Global surface temperature
; Global temperatures
; Hydrological changes
; Precipitation change
; Radiative forcings
; Atmospheric aerosols
; aerosol
; air temperature
; atmospheric circulation
; atmospheric dynamics
; climate modeling
; energy budget
; precipitation (climatology)
; radiative forcing
英文摘要: Atmospheric aerosols such as sulfate and black carbon (BC) generate inhomogeneous radiative forcing and can affect precipitation in distinct ways compared to greenhouse gases (GHGs). Their regional effects on the atmospheric energy budget and circulation can be important for understanding and predicting global and regional precipitation changes, which act on top of the background GHG-induced hydrological changes. Under the framework of the Precipitation Driver Response Model Intercomparison Project (PDRMIP), multiple models were used for the first time to simulate the influence of regional (Asian and European) sulfate and BC forcing on global and regional precipitation. The results show that, as in the case of global aerosol forcing, the global fast precipitation response to regional aerosol forcing scales with global atmospheric absorption, and the slow precipitation response scales with global surface temperature response. Asian sulfate aerosols appear to be a stronger driver of global temperature and precipitation change compared to European aerosols, but when the responses are normalized by unit radiative forcing or by aerosol burden change, the picture reverses, with European aerosols being more efficient in driving global change. The global apparent hydrological sensitivities of these regional forcing experiments are again consistent with those for corresponding global aerosol forcings found in the literature. However, the regional responses and regional apparent hydrological sensitivities do not align with the corresponding global values. Through a holistic approach involving analysis of the energy budget combined with exploring changes in atmospheric dynamics, we provide a framework for explaining the global and regional precipitation responses to regional aerosol forcing. © 2018 American Meteorological Society. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/111540
Appears in Collections: 气候减缓与适应
There are no files associated with this item.
作者单位: Department of Physics, Imperial College London, London, United Kingdom; Northwest Institute of Nuclear Technology, Xi'an, China; Center for International Climate and Environmental Research, Oslo, Norway; University of Leeds, Leeds, United Kingdom; Institut Pierre-Simon Laplace, Université Pierre et Marie Curie/CNRS, Paris, France; NASA Goddard Institute for Space Studies, Columbia University, New York, NY, United States; Norwegian Meteorological Institute, Oslo, Norway; NCAR/University Center for Atmospheric Research, Boulder, CO, United States; Duke University, Durham, NC, United States; Kyushu University, Fukuoka, Japan
Recommended Citation:
Liu L.,Shawki D.,Voulgarakis A.,et al. A PDRMIP Multimodel study on the impacts of regional aerosol forcings on global and regional precipitation[J]. Journal of Climate,2018-01-01,31(11)