搜索结果: 121-135 共查到“理学 atmosphere”相关记录284条 . 查询时间(0.056 秒)
Mountain birch – potentially large source of sesquiterpenes into high latitude atmosphere
Mountain birch large source sesquiterpenes high latitude atmosphere
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2010/1/21
Emissions of volatile organic compounds (VOCs) from mountain birches were measured in Abisko, northern Sweden. Mountain birches make up the majority of the tree biomass in Scandinavian high latitudes,...
Photolysis imprint in the nitrate stable isotope signal in snow and atmosphere of East Antarctica and implications for reactive nitrogen cycling
nitrate stable isotope signal snow atmosphere East Antarctica reactive nitrogen cycling
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2009/11/19
The nitrogen (δ15N) and triple oxygen (δ17O and δ18O) isotopic composition of nitrate (NO3−) was measured year-round in the atmosphere and snow pits at Dome C, Antarctica (DC, 75.1° S, 123.3° E)...
The comprehensive model system COSMO-ART – Radiative impact of aerosol on the state of the atmosphere on the regional scale
COSMO-ART aerosol atmosphere regional scale
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2009/11/19
A new fully online coupled model system developed for the evaluation of the interaction of aerosol particles with the atmosphere on the regional scale is described. The model system is based on the op...
Response of an ocean-atmosphere climate model to Milankovic forcing
ocean-atmosphere climate model Milankovic forcing
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2009/11/16
There is considerable evidence in support of Milankovic's theory that variations in high-latitude summer insolation caused by Earth orbital variations are the cause of the Pleistocene ice cycles. The ...
Analysis of the atmosphere behaviour in the proximities of an orographic obstacle
atmosphere behaviour proximities of an orographic obstacle
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2009/11/16
The atmospheric behaviour near an orographic obstacle has been thoroughly studied in the last decades. The first papers in this field were mainly theoretical, being more recent the laboratory experime...
Nonlinear interaction between acoustic gravity waves in a rotating atmosphere
Nonlinear interaction acoustic gravity waves rotating atmosphere
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2009/11/16
The influence of the Earth's rotation on the resonant interaction of atmospheric waves is investigated. The explicit expressions for the coupling coefficients are presented. They are derived by means ...
A simple nonlinear model of low frequency (interseasonal) oscillations in the tropical atmosphere
nonlinear model low frequency oscillations tropical atmosphere
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2009/11/16
In this paper, for a prescribed normalized vertical convective heating profile, nonlinear Kelvin wave equations with wave-CISK heating over equatorial region is reduced to a sixth-order nonlinear ordi...
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...
The nonlinear evolution of unstable coupled equatorial ocean-atmosphere modes
nonlinear evolution equatorial ocean-atmosphere modes
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2009/11/13
In this paper we investigate whether observed intraseasonal variability in the equatorial Pacific can be attributed to finite amplitude waves resulting from unstable air-sea interactions. Within a Zeb...
Statistics of locally coupled ocean and atmosphere intraseasonal anomalies in Reanalysis and AMIP data
locally coupled ocean atmosphere intraseasonal anomalies Reanalysis AMIP data
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2009/11/12
We apply a simple dynamical rule to determine the dominant forcing direction in locally coupled ocean-atmosphere anomalies in the National Centers for Environmental Prediction/National Center for Atmo...
Nonlinear instability of baroclinic atmosphere with reference to planetary scale disturbances
Nonlinear instability baroclinic atmosphere planetary scale disturbances
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2009/11/11
In this paper we investigate the stability of zonal flow in a baroclinic atmosphere with respect to finite-amplitude planetary-scale disturbances by applying Arnold's method. Specifically, we examine ...
Generation of zonal flows by Rossby waves in the atmosphere
zonal flows Rossby waves in the atmosphere
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2009/11/11
A novel mechanism for the short-scale Rossby waves interacting with long-scale zonal flows in the Earth's atmosphere is studied. The model is based on the parametric excitation of convective cells by ...
A simplified model of the Martian atmosphere-Part 1:a diagnostic analysis
simplified model Martian atmosphere POD-Galerkin analysis
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2009/11/11
In this paper we derive a reduced-order approximation to the vertical and horizontal structure of a simplified model of the baroclinically unstable Martian atmosphere. The original model uses the full...
A simplified model of the Martian atmosphere-Part 2:a POD-Galerkin analysis
simplified model Martian atmosphere POD-Galerkin analysis
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2009/11/11
In Part I of this study Whitehouse et al. (2005) performed a diagnostic analysis of a simplied model of the Martian atmosphere, in which topography was absent and in which heating was modelled as Newt...
Venus atmosphere profile from a maximum entropy principle
Venus atmosphere profile maximum entropy principle
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2009/11/3
The variational method with constraints recently developed by Verkley and Gerkema to describe maximum-entropy atmospheric profiles is generalized to ideal gases but with temperature-dependent specific...