Evaluation of the direct and indirect radiative and climate effects of aerosols over the western Arctic
作者： R‐M Hu , J‐P Blanchet , Eric Girard
DOI: 10.1029/2004JD005043
关键词: Climate model 、 Radiative forcing 、 Arctic geoengineering 、 Surface Heat Budget of the Arctic Ocean 、 Atmospheric sciences 、 Arctic 、 Climatology 、 Climate change 、 Environmental science 、 Sea salt aerosol 、 Arctic haze 、 Earth-Surface Processes 、 Ecology (disciplines) 、 Earth and Planetary Sciences (miscellaneous) 、 Space and Planetary Science 、 Palaeontology 、 Forestry 、 Aquatic science 、 Atmospheric Science 、 Soil science 、 Geochemistry and Petrology 、 Geophysics 、 Oceanography 、 Water Science and Technology
摘要: From the observations of recent years, there is still not enough evidence to verify Arctic warming as most global circulation models (GCMs) suggested. This study dedicated quantifying aerosol effect on climate change by Northern Aerosol Regional Climate Model (NARCM). The direct and indirect radiative effects aerosols such haze sulfate, black carbon, sea salt, organics, dust have been evaluated from our NARCM simulations. Within Intercomparison Project (ARCMIP) model simulations directly compared with enhanced observation data sets Surface Heat Budget Ocean (SHEBA) Atmospheric Radiation Measurement (ARM) in time period October 1997 September 1998. Results show that strongly depend composition. surface forcing pure sulfate which includes components reaches up −7.2 W/m2 annual mean. responses five kinds together are amazingly different. impacts present strong seasonal cycle. In comparison we find simulation can better represent temperature observation. microphysical must be taken into account order simulate predict energy water cycle occurring polar system.
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