搜索结果: 1-15 共查到“大气科学 Methods”相关记录20条 . 查询时间(0.27 秒)
The impact of periodization methods on the kinetic energy spectra for limited-area numerical weather prediction models
kinetic energy spectra impact of periodization methods
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2015/3/5
The paper deals with the comparison of the most
common periodization methods used to obtain spectral fields
of limited-area models for numerical weather prediction.
Global analysis of cloud field coverage and radiative properties, using morphological methods and MODIS observations
cloud field coverage radiative properties morphological methods MODIS observations
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2011/1/19
The recently recognized continuous transition zone between detectable clouds and cloud-free atmosphere ("the twilight zone") is affected by undetectable clouds and humidified aerosol. In this study, w...
Preface "Methods and strategies to evaluate landslide hazard and risk"
Methods strategies evaluate landslide hazard risk
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2011/1/19
Preface "Methods and strategies to evaluate landslide hazard and risk".
Improved measurement of carbonaceous aerosol: evaluation of the sampling artifacts and inter-comparison of the thermal-optical analysis methods
carbonaceous aerosol the sampling artifacts the thermal-optical analysis methods
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2010/9/21
The sampling artifacts (both positive and negative) and the influence of thermal-optical methods (both charring correction method and the peak inert mode temperature) on the split of organic carbon (O...
Technical Note: Vapor pressure estimation methods applied to secondary organic aerosol constituents from α-pinene oxidation: an intercomparison study
Vapor pressure estimation methods secondary organic aerosol constituents α-pinene oxidation
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2010/8/16
We applied and compared seven vapor pressure estimation methods to the condensable compounds generated in the oxidation of α-pinene, as described by the state-of-the-art mechanism of the BOREAM model ...
The RISKMED project: philosophy, methods and products
project philosophy methods products
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2010/10/21
This paper presents RISKMED, a project targeted to create an Early Warning System (EWS) in case of severe or extreme weather events in the central and eastern Mediterranean and specifically in souther...
Intercomparison methods for satellite measurements of atmospheric composition: application to tropospheric ozone from TES and OMI
satellite measurements atmospheric composition tropospheric ozone TES OMI
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2010/8/13
We analyze the theoretical basis of three different methods to validate and intercompare satellite measurements of atmospheric composition, and apply them to tropospheric ozone retrievals from the Tro...
The critical assessment of vapour pressure estimation methods for use in modelling the formation of atmospheric organic aerosol
vapour pressure estimation methods atmospheric organic aerosol critical assessment
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2010/2/1
A selection of models for estimating vapour pressures have been tested against experimental data for a set of compounds selected for their particular relevance to the formation of atmospheric aerosol ...
A reexamination of methods for evaluating the predictability of the atmosphere
methods for evaluating predictability of the atmosphere
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2009/11/13
Pioneering work by Lorenz (1965, 1968, 1969) developed a number of methods for exploring the limits of predictability of the atmosphere. One method uses an integration of a realistic numerical model a...
Testing the performance of three nonlinear methods of time seriesanalysis for prediction and downscaling of European daily temperatures
nonlinear methods time seriesanalysis European daily temperatures
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2009/11/11
We investigated the usability of the method of local linear models (LLM), multilayer perceptron neural network (MLP NN) and radial basis function neural network (RBF NN) for the construction of tempor...
Inverse modelling of atmospheric tracers:non-Gaussian methods and second-order sensitivity analysis
Inverse modelling atmospheric tracers non-Gaussian methods second-order sensitivity analysis
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2009/10/30
For a start, recent techniques devoted to the reconstruction of sources of an atmospheric tracer at continental scale are introduced. A first method is based on the principle of maximum entropy on the...
Hygroscopic growth of urban aerosol particles in Beijing (China) during wintertime: a comparison of three experimental methods
Hygroscopic growth urban aerosol particles experimental method
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2009/9/23
The hygroscopic properties of atmospheric aerosols are highly relevant for the quantification of radiative effects in the atmosphere, but also of interest for the assessment of particle health effects...
Comparison of analytical methods for Humic Like Substances (HULIS) measurements in atmospheric particles
Humic Like Substances HULIS atmospheric particles
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2009/8/25
Humic-Like Substances (HULIS) are a major contributor to the organic carbon in atmospheric aerosol. It would be necessary to standardize an analytical method that could be easily and routinely used fo...
A Comparative Study of Air Quality Index Based on Factor Analysis and US-EPA Methods for an Urban Environment
Eclipsing effect Maximum operator concept (MOC) Principal component analysis (PCA) Variance, Ranking
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2016/3/29
There are many different air quality indexes, which represent the global urban air pollution situation.
Although the index proposed by USEPA gives an overall assessment of air quality, it does not in...
The use of disjunct eddy sampling methods for the determination of ecosystem level fluxes of trace gases
disjunct eddy sampling methods ecosystem level fluxes trace gases
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2009/3/13
The concept of disjunct eddy sampling (DES) for use in measuring ecosystem-level micrometeorological fluxes is re-examined. The governing equations are discussed as well as other practical considerati...