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lagrangian model

Numerical uncertainty at mesoscale in a Lagrangian model in complex terrain

Numerical uncertainty at mesoscale in a Lagrangian model in complex terrain

... rian model coordinate and the Lagrangian model coordinate can be responsible for additional ...in Lagrangian trajectories in com- plex terrain where errors in vertical coordinate transforma- ...

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Dynamics and chemistry of vortex remnants in late Arctic spring 1997 and 2000: Simulations with the Chemical Lagrangian Model of the Stratosphere (CLaMS)

Dynamics and chemistry of vortex remnants in late Arctic spring 1997 and 2000: Simulations with the Chemical Lagrangian Model of the Stratosphere (CLaMS)

... To study the impact of transport on the spatial distribution, the lifetime, and the ozone chemistry in the vortex remnants in spring/summer 1997 and 2000, we use the high-resolution, isentropic (2-D) version of the ...

11

A Lagrangian model for soil water dynamics during rainfall-driven conditions

A Lagrangian model for soil water dynamics during rainfall-driven conditions

... The model concept builds on es- tablished soil physics by estimating the drift velocity and the diffusion term based on the soil water ...particle model and a Richards solver performed highly similarly dur- ...

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A stochastic, Lagrangian model of sinking biogenic aggregates in the ocean (SLAMS 1.0): model formulation, validation and sensitivity

A stochastic, Lagrangian model of sinking biogenic aggregates in the ocean (SLAMS 1.0): model formulation, validation and sensitivity

... Cumulative flux of organic carbon reaching the seafloor (4 km) as a function of aggregate radius and velocity for varying sea surface temperatures (a, b), primary production (c, d) and b[r] ...

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New trajectory-driven aerosol and chemical process model Chemical and Aerosol Lagrangian Model (CALM)

New trajectory-driven aerosol and chemical process model Chemical and Aerosol Lagrangian Model (CALM)

... basic model design consists of a trajectory driven box model. The model is fed with back trajectories along which the process model simulates the evolution of both aerosol and gas ...current ...

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A pseudo-Lagrangian model study of the size distribution properties over Scandinavia: transport from Aspvreten to Värriö

A pseudo-Lagrangian model study of the size distribution properties over Scandinavia: transport from Aspvreten to Värriö

... accumulation mode, obviously different from observational data. The test clearly dis- plays the sensitivity of the model to the estimated aerosol yield. Base case conditions capture the appearance of the observed ...

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Rev. bras. meteorol.  vol.22 número1

Rev. bras. meteorol. vol.22 número1

... dispersion model, focusing the ability to correctly reproduce WKH FRQFHQWUDWLRQ ¿HOG RI SROOXWDQWV HPLWWHG IURP ORZ DQG high ...the Lagrangian model gives more accurate results meanwhile the ...

11

Atmospheric rivers moisture sources from a Lagrangian perspective

Atmospheric rivers moisture sources from a Lagrangian perspective

... of Lagrangian models such as FLEXPART (FLEX- ible PARTicle dispersion model; Stohl et ...This Lagrangian model allows us to follow the moisture that reaches a specific region, more ...

14

Modelling transport and deposition of caesium and iodine from the Chernobyl accident using the DREAM model

Modelling transport and deposition of caesium and iodine from the Chernobyl accident using the DREAM model

... tracer model is based on a combination of a La- grangian meso-scale model (the Risø Meso-scale PUFF model, RIMPUFF) and an Eulerian long-range transport ...tracer model is called the DREAM ...

21

Rev. Bras. Geof.  vol.20 número2

Rev. Bras. Geof. vol.20 número2

... Eulerian model and a Lagrangian particle model are used to study the dispersion of a contaminant released from a low height source in the Stable Boundary Layer ...Eulerian model is based on ...

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Rev. bras. meteorol.  vol.22 número1

Rev. bras. meteorol. vol.22 número1

... between lagrangian and eulerian modelling of the turbulent transport of pollutants within the Planetary Boundary layer ...the lagrangian model is based on a three-dimensional form of the langevin ...

9

A COMPARISON OF TWO TURBULENT DISPERSION PARAMETERISATIONS IN THE STABLE BOUNDARY LAYER USING LAGRANGIAN AND EULERIAN MODELS

A COMPARISON OF TWO TURBULENT DISPERSION PARAMETERISATIONS IN THE STABLE BOUNDARY LAYER USING LAGRANGIAN AND EULERIAN MODELS

... Eulerian model and a Lagrangian particle model are used to study the dispersion of a contaminant released from a low height source in the Stable Boundary Layer ...Eulerian model is based on ...

10

Dimethylsulphide (DMS) emissions from the western Pacific Ocean: a potential marine source for stratospheric sulphur?

Dimethylsulphide (DMS) emissions from the western Pacific Ocean: a potential marine source for stratospheric sulphur?

... the Lagrangian dispersion model FLEX- PART, which was set up with actual meteorological fields from ERA-Interim data and different chemical lifetimes of ...the model projected that up to 30 g S per ...

11

On Active Current Selection for Lagrangian Profilers

On Active Current Selection for Lagrangian Profilers

... Autonomous Lagrangian profilers are now widely used as measurement and monitoring platforms, notably in observation programs as Argo. In a typical mode of operation, the profilers drift passively at their parking ...

10

Variability of the Lagrangian turbulent diffusion in the lower stratosphere

Variability of the Lagrangian turbulent diffusion in the lower stratosphere

... Our results indicate that the state-of-the-art in off-line transport studies, which is mainly based on 6-hourly anal- ysed winds, is far from being satisfactory. A significant im- provement is provided by interleaving ...

18

Determinantes do endividamento autárquico: evidência empírica para os Municípios Portugueses utilizando modelo de dados de painel

Determinantes do endividamento autárquico: evidência empírica para os Municípios Portugueses utilizando modelo de dados de painel

... Para testar os efeitos individuais não observáveis, é utilizado o teste Lagrangian Mutiplier (LM). Neste teste são aferidas duas hipóteses: a hipótese nula que pre[r] ...

76

A general lagrangian approach for non-concave moral hazard problems

A general lagrangian approach for non-concave moral hazard problems

... Rogerson (1985) shows that, in the presence of MRLP and CDFP, the agent's utility function is a concave function of the action at the optimal contract and therefore the f[r] ...

28

MEDSLIK-II, a Lagrangian marine oil spill model for short-term forecasting – Part 2: Numerical simulations and validations

MEDSLIK-II, a Lagrangian marine oil spill model for short-term forecasting – Part 2: Numerical simulations and validations

... several model parameterizations is analyzed and the results are validated using surface drifters and SAR (Synthetic Aperture Radar) images in different regions of the Mediterranean ...

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Custodial symmetry and extensions of the standard model

Custodial symmetry and extensions of the standard model

... The condition under which isospin partners like proton and neutron have the same mass was put forward by Weinberg in the early seventies in the context of an SU 2 L  SU2 R  U1 model [ 8]. This is ...

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