搜索结果: 1-14 共查到“理学 a modelling study”相关记录14条 . 查询时间(0.173 秒)
THEORETICAL MODELLING STUDY ON THE RELATIONSHIP BETWEEN MULTI-FREQUENCY MICROWAVE VEGETATION INDEX AND VEGETATION PROPERTIES (OPTICAL DEPTH AND SINGLE SCATTERING ALBEDO)
Microwave Vegetation Index Matrix Doubling Model Optical Depth Single Scattering Albedo Soil Moisture Roughness
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2018/5/15
This paper presents a theoretical study of derivation Microwave Vegetation Indices (MVIs) in different pairs of frequencies using two methods. In the first method calculating MVI in different frequenc...
Attribution of stratospheric ozone trends to chemistry and transport: a modelling study
stratospheric ozone chemistry transport a modelling study
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2010/12/28
The decrease of the concentration of ozone depleting substances (ODSs) in the stratosphere over the past decade raises the question to what extent observed changes in stratospheric ozone over this per...
A modelling study of photochemical regimes over Europe: robustness and variability
photochemical regimes Europe robustness and variability
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2010/11/3
The variability of the relative sensitivity of photochemical ozone formation to volatile organic compounds (VOC) and NOx emissions, the chemical regime, over Europe during summers 2001 to 2003 is simu...
Stratospheric water vapour budget and convection overshooting the tropopause: modelling study from SCOUT-AMMA
Stratospheric water vapour the tropopause SCOUT-AMMA
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2010/9/14
The aim of this paper is to study the impacts of overshooting convection at a local scale on the water distribution in the tropical UTLS. Overshooting convection is assumed to be one of the processes ...
Water and nitrogen processes along a typical water flowpath and streamwater exports from a forested catchment and changes after clear-cutting：a modelling study
nitrogen water flowpath
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2009/5/18
A two dimensional model, FEMMA, to describe water and nitrogen (N) fluxes within and from a forested first-order catchment (Kangasvaara in Eastern Finland) was constructed by linking the most signifi...
The contribution of anthropogenic bromine emissions to past stratospheric ozone trends: a modelling study
anthropogenic bromine emissions stratospheric ozone trends modelling study
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2009/5/6
Bromine compounds play an important role in the depletion of stratospheric ozone. We have calculated the changes in stratospheric ozone in response to changes in the halogen loading over the past deca...
A numerical modelling study on regional mercury budget for eastern North America
numerical modelling regional mercury budget eastern North America
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2009/3/10
In this study, we have integrated an up-to-date physio-chemical transformation mechanism of Hg into the framework of US EPA's CMAQ model system. In addition, the model adapted detailed calculations of...
Volatile particles formation during PartEmis: a modelling study
Volatile particles formation PartEmis modelling
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2009/2/24
A modelling study of the formation of volatile particles in a combustor exhaust has been carried out in the frame of the PartEmis European project. A kinetic model has been used in order to investigat...
Columnar modelling of nucleation burst evolution in the convective boundary layer – first results from a feasibility study Part IV: A compilation of previous observations for valuation of simulation results from a columnar modelling study
nucleation burst convective boundarylayer feasibility study
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2009/1/15
In the preceding Papers I, II and III a revised columnar high-order modelling approach to model gas-aerosol-turbulence interactions in the convective boundary layer (CBL) was proposed, and simulation...
Modelling study of the impact of deep convection on the UTLS air composition – Part 2: Ozone budget in the TTL
deep convection UTLS air composition Ozone budget TTL
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2009/1/7
In this second part of a series of two papers which aim to study the local impact of deep convection on the chemical composition of the Upper Troposphere and Lower Stratosphere (UTLS), we focus on ozo...
Modelling study of the impact of deep convection on the utls air composition - Part I: Analysis of ozone precursors
deep convection utls air composition ozone precursors
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2009/1/7
The present paper (part I) is devoted to the analysis of the ozone precursors (CO, NOx and non-methane volatile organic compounds) and HOx in the UTLS. The simulation results show that the distributio...
A modelling study of the impact of cirrus clouds on the moisture budget of the upper roposphere
cirrus clouds moisture budget upper roposphere
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2009/1/6
We present a modelling study of the effect of cirrus clouds on the moisture budget of the layer wherein the cloud formed. Our framework simplifies many aspects of cloud microphysics and collapses the ...
Biogenic nitrogen oxide emissions from soils – impact on NOx and ozone over West Africa during AMMA (African Monsoon Multidisciplinary Experiment): modelling study
nitrogen oxide ozone West Africa AMMA
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2008/11/6
Nitrogen oxide biogenic emissions from soils are driven by soil and environmental parameters. The relationship between these parameters and NO fluxes is highly non linear. A new algorithm, based on a ...
Carbon dynamics and CO2 air-sea exchanges in the eutrophied coastal waters of the Southern Bight of the North Sea:a modelling study
Carbon dynamics CO2 air-sea exchanges eutrophied coastal waters modelling study
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2010/1/7
A description of the carbonate system has been incorporated in the MIRO biogeochemical model to investigate the contribution of diatom and Phaeocystis blooms to the seasonal dynamics of air-sea CO2 ex...