搜索结果: 1-11 共查到“大气科学 reduction”相关记录11条 . 查询时间(0.093 秒)
Aerosol exposure versus aerosol cooling of climate: what is the optimal emission reduction strategy for human health?
Aerosol exposure aerosol climate the optimal emission reduction strategy human health
2010/10/11
Particles, climate change, and health have thought-provoking interactions. Air pollution is one of the largest environmental problems concerning human health. On the other hand, aerosol particles can ...
Reduction in biomass burning aerosol light absorption upon humidification: roles of inorganically-induced hygroscopicity, particle collapse, and photoacoustic heat and mass transfer
biomass burning aerosol light absorption humidification photoacoustic heat
2009/12/3
Smoke particle emissions from the combustion of biomass fuels typical for the western and southeastern United States were studied and compared under high humidity and ambient conditions in the laborat...
Nonlinear dimensionality reduction in climate data
Nonlinear dimensionality reduction climate data
2009/11/11
Linear methods of dimensionality reduction are useful tools for handling and interpreting high dimensional data. However, the cumulative variance explained by each of the subspaces in which the data s...
Extensive reduction of surface UV radiation since 1750 in world's populated regions
Extensive reduction surface UV radiation world's populated regions
2009/11/9
Human activity influences a wide range of components that affect the surface UV radiation levels, among them ozone at high latitudes. We calculate the effect of human-induced changes in the surface er...
Mechanism reduction for the formation of secondary organic aerosol for integration into a 3-dimensional regional air quality model: α-pinene oxidation system
Mechanism reduction secondary organic aerosol α-pinene oxidation system
2009/7/15
A detailed α-pinene oxidation mechanism was reduced systematically through the successive application of five mechanism reduction techniques. The resulting reduced mechanism preserves the ozone- and o...
Gap filling and noise reduction of unevenly sampled data by means of the Lomb-Scargle periodogram
Gap filling noise reduction Lomb-Scargle periodogram
2009/7/1
The Lomb-Scargle periodogram is widely used for the estimation of the power spectral density of unevenly sampled data. A small extension of the algorithm of the Lomb-Scargle periodogram permits the es...
Systematic reduction of complex tropospheric chemical mechanisms, Part II: Lumping using a time-scale based approach
complex tropospheric chemical mechanisms Lumping time-scale
2009/3/6
This paper presents a formal method of species lumping that can be applied automatically to intermediate compounds within detailed and complex tropospheric chemical reaction schemes. The method is bas...
Systematic reduction of complex tropospheric chemical mechanisms, Part I: sensitivity and time-scale analyses
complex tropospheric chemical mechanisms sensitivity time-scale
2009/3/6
Explicit mechanisms describing the complex degradation pathways of atmospheric volatile organic compounds (VOCs) are important, since they allow the study of the contribution of individual VOCS to sec...
Assessment of the reduction methods used to develop chemical schemes: building of a new chemical scheme for VOC oxidation suited to three-dimensional multiscale HOx-NOx-VOC chemistry simulations
chemical schemes VOC oxidation three-dimensional multiscale HOx-NOx-VOC chemistry simulations
2009/2/17
The objective of this work was to develop and assess an automatic procedure to generate reduced chemical schemes for the atmospheric photooxidation of volatile organic carbon (VOC) compounds. The proc...
Twenty-five years of continuous sulphur dioxide emission reduction in Europe
sulphur dioxide Europe
2008/11/12
During the last twenty-five years European emission data have been compiled and reported under the Cooperative Programme for Monitoring and Evaluation of the Long-range Transmission of Air Pollutants ...
Arizona State University commits to greenhouse gas reduction
carbon dioxide greenhouse gas climate change
2007/3/5
March 1, 2007，Pledging to significantly reduce and eventually neutralize carbon dioxide emissions that contribute to global warming, ASU President Michael Crow has announced his signing of the America...