搜索结果: 1-15 共查到“理学 tracer transport”相关记录17条 . 查询时间(0.071 秒)
Comparison of the ensemble Kalman filter and 4D-Var assimilation methods using a stratospheric tracer transport model
the ensemble Kalman filter 4D-Var assimilation methods stratospheric tracer transport model
2014/12/19
An ensemble Kalman filter (EnKF) assimilation method is applied to the tracer transport using the same stratospheric transport model as in the four-dimensional variational (4D-Var) assimilation system...
Global mass fixer algorithms for conservative tracer transport in the ECMWF model
Global mass fi xer algorithms conservative tracer transport
2014/12/18
Various mass fixer algorithms (MFAs) have been
implemented in the Integrated Forecasting System (IFS) of
the European Centre for Medium-Range Weather Forecasts
(ECMWF) to ensure mass conserva...
Downscale cascades in tracer transport test cases: an intercomparison of the dynamical cores in the Community Atmosphere Model CAM5
tracer transport test cases the dynamical cores Community Atmosphere Model CAM5
2014/12/10
The accurate modeling of cascades to unresolved scales is an important part of the tracer transport component of dynamical cores of weather and climate models. This paper aims to investigate the abili...
Mass-conserving tracer transport modelling on a reduced latitude-longitude grid with NIES-TM
Mass-conserving tracer transport modelling a reduced latitude-longitude grid NIES-TM
2014/12/9
The need to perform long-term simulations with reasonable accuracy has led to the development of mass-conservative and efficient numerical methods for solving the transport equation in forward and inv...
The Coupled Aerosol and Tracer Transport model to the Brazilian developments on the Regional Atmospheric Modeling System (CATT-BRAMS) – Part 2: Model sensitivity to the biomass burning inventories
the biomass burning inventories the Brazilian developments the Regional Atmospheric Modeling System
2010/8/13
We describe an estimation technique for biomass burning emissions in South America based on a combination of remote-sensing fire products and field observations, the Brazilian Biomass Burning Emission...
Sensitivity of tracer transport to model resolution, prescribed meteorology and tracer lifetime in the general circulation model ECHAM5
model resolution prescribed meteorology tracer lifetime the general circulation model ECHAM5
2010/8/12
Atmospheric transport of traces gases and aerosols plays an important role in the distribution of air pollutants and radiatively active compounds. For model simulations of chemistry-climate interactio...
Regional modelling of tracer transport by tropical convection – Part 2: Sensitivity to model resolutions
tracer transport tropical convection model resolutions
2009/9/27
The general objective of this series of two papers is to evaluate long duration limited-area simulations with idealised tracers as a possible tool to assess the tracer transport in chemistry-transport...
Regional modelling of tracer transport by tropical convection – Part 1: Sensitivity to convection parameterization
tracer transport tropical convection convection parameterization
2009/9/27
The general objective of this series of papers is to evaluate long duration limited area simulations with idealised tracers as a tool to assess tracer transport in chemistry-transport models (CTMs). I...
Turbulence characteristics in grassland canopies and implications for tracer transport
Turbulence characteristics grassland canopies implications tracer transport
2010/1/20
In-canopy turbulence is a required input to study pollutant cycling and chemistry within plant canopies and to link concentrations and sources. Despite the importance of grasslands worldwide, most pre...
The Coupled Aerosol and Tracer Transport model to the Brazilian developments on the Regional Atmospheric Modeling System（CATT-BRAMS）– Part 1: Model description and evaluation
Coupled Aerosol and Tracer Transport model Brazilian developments Regional Atmospheric Modeling System CATT-BRAMS
2009/5/6
We introduce the Coupled Aerosol and Tracer Transport model to the Brazilian developments on the Regional Atmospheric Modeling System (CATT-BRAMS). CATT-BRAMS is an on-line transport model fully consi...
The impact of model grid zooming on tracer transport in the 1999/2000 Arctic polar vortex
model grid zooming tracer transport Arctic polar vortex
2009/3/11
We have used a 3D chemistry transport model to evaluate the transport of HF and CH4 in the stratosphere during the Arctic winter of 1999/2000. Several model experiments were carried out with the use o...
Modelling tracer transport by a cumulus ensemble: lateral boundary conditions and large-scale ascent
Modelling tracer transport by a cumulus ensemble: lateral boundary conditions and large-scale ascent
2009/3/5
The vertical transport of tracers by a cumulus ensemble at the TOGA-COARE site is modelled during a 7 day episode using 2-D and 3-D cloud-resolving setups of the Weather Research and Forecast (WRF) mo...
On interpreting studies of tracer transport by deep cumulus convection and its effects on atmospheric chemistry
tracer transport deep cumulus convection atmospheric chemistry
2008/11/24
Global chemistry-transport models (CTMs) and chemistry-GCMs (CGCMs) generally simulate vertical tracer transport by deep convection separately from the advective transport by the mean winds, even thou...
Vertical mixing in atmospheric tracer transport models: error characterization and propagation
atmospheric tracer transport models error characterization propagation
2008/10/28
Imperfect representation of vertical mixing near the surface in atmospheric transport models leads to uncertainties in modelled tracer mixing ratios. When using the atmosphere as an integrator to deri...
The Influence of Eddies on Tracer Transport in the Abyssal Ocean
Tracer Transport Abyssal Ocean Influence of Eddies
2008/10/27
Tracer transport mechanisms in a deep western boundary current (DWBC) are explored using a three-layer, eddy-resolving quasigeostrophic model. The model is forced with a steady, sinusoidal wind stress...