搜索结果: 106-120 共查到“理学 scale”相关记录706条 . 查询时间(0.077 秒)
A reduced-order modeling approach to represent subgrid-scale hydrological dynamics for land-surface simulations: application in a polygonal tundra landscape
reduced-order modeling represent subgrid-scale hydrological dynamics
2014/12/19
Existing land surface models (LSMs) describe
physical and biological processes that occur over a wide
range of spatial and temporal scales. For example, biogeochemical and hydrological processes res...
Air quality forecast of PM10 in Beijing with Community Multi-scale Air Quality Modeling (CMAQ) system: emission and improvement
Air quality forecast Community Multi-scale Air Quality Modeling
2014/12/19
A scale-dependent blending scheme for WRFDA: impact on regional weather forecasting
A scale-dependent blending scheme WRFDA regional weather forecasting
2014/12/19
Due to limitation of the domain size and limited observations used in regional data assimilation and forecasting systems, regional forecasts suffer a general deficiency in effectively representing lar...
Air quality forecasts on a kilometer-scale grid over complex Spanish terrains
complex Spanish terrains kilometer-scale
2014/12/19
The CALIOPE Air Quality Forecast System
(CALIOPE-AQFS) represents the current state of the art in
air quality forecasting systems of high-resolution running on
high-performance computing platforms....
Regional scale ozone data assimilation using an ensemble Kalman filter and the CHIMERE chemical transport model
Regional scale ozone data ensemble Kalman fi lter
2014/12/18
An ensemble Kalman filter (EnKF) has been coupled to the CHIMERE chemical transport model in order to
assimilate ozone ground-based measurements on a regional
scale. The number of ensembles is...
Modeling sugarcane yield with a process-based model from site to continental scale: uncertainties arising from model structure and parameter values
Modeling sugarcane yield continental scale
2014/12/18
Agro-land surface models (agro-LSM) have been
developed from the integration of specific crop processes into
large-scale generic land surface models that allow calculating
the spatial distrib...
A new mixed-mode fracture criterion for large-scale lattice models
mixed-mode fracture criterion large-scale lattice models
2014/12/18
Reasonable fracture criteria are crucial for the
modeling of dynamic failure in computational lattice models.
Successful criteria exist for experiments on the micro- and
on the mesoscale, which are...
Using multi-model averaging to improve the reliability of catchment scale nitrogen predictions
multi-model averaging catchment scale nitrogen predictions
2014/12/17
Hydro-biogeochemical models are used to foresee the impact of mitigation measures on water quality. Usually, scenario-based studies rely on single model applications. This is done in spite of the wide...
Evaluation of roadway Gaussian plume models with large-scale measurement campaigns
roadway Gaussian plume models large-scale measurement campaigns
2014/12/16
Gaussian models are commonly used to simulate atmospheric pollutant dispersion near sources because they provide an efficient compromise between reasonable accuracy and manageable computational time. ...
Evaluating the capability of regional-scale air quality models to capture the vertical distribution of pollutants
regional-scale air quality models capture the vertical distribution pollutants
2014/12/12
This study is conducted in the framework of the Air Quality Modelling Evaluation International Initiative (AQMEII) and aims at the operational evaluation of an ensemble of 12 regional-scale chemical t...
GAPPARD: a computationally efficient method of approximating gap-scale disturbance in vegetation models
GAPPARD computationally efficient method approximating gap-scale disturbance vegetation models
2014/12/12
Models of vegetation dynamics that are designed for application at spatial scales larger than individual forest gaps suffer from several limitations. Typically, either a population average approximati...
The North American Carbon Program Multi-Scale Synthesis and Terrestrial Model Intercomparison Project – Part 1: Overview and experimental design
North American Carbon Program Multi-Scale Synthesis Terrestrial Model Intercomparison
2014/12/12
Terrestrial biosphere models (TBMs) have become
an integral tool for extrapolating local observations and understanding of land–atmosphere carbon exchange to larger
regions.
Mass-flux subgrid-scale parameterization in analogy with multi-component flows: a formulation towards scale independence
Mass-flux subgrid-scale multicomponent flows a formulation towards scale independence
2014/12/10
A generalized mass-flux formulation is presented, which no longer takes a limit of vanishing fractional areas for subgrid-scale components. The presented formulation is applicable to a~situation in wh...
Multiwavelength study of parsec scale outflows associated with low mass young stellar objects
Arrow flow Low quality of the original star formation Optical observation star
2014/12/9
A multi-wavelength, multi-telescope observational study of recently discovered parsec-scale Herbig-Haro flows associated with the earliest stages of low mass protostellar formation is presented. Impro...
High-resolution Ultraviolet Spectroscopy of Gas in Galaxy Halos and Large-scale Structures
galaxy intergalactic medium
2014/12/9
This dissertation presents spectroscopic studies of gas in galaxy halos and large-scale structures through high-resolution quasar absorption lines. The broad goal of this effort is to learn how galaxi...