搜索结果: 1-15 共查到“工学 assimilation”相关记录24条 . 查询时间(0.118 秒)
南华大学核科学技术学院2021年第一期创新论坛——核动力院龚禾林博士：Data Assimilation in Nuclear Reactor Science: Theories, Applications and Challenges（图）
核动力；龚禾林；第一期；创新论坛
2021/10/9
2021年4月8日，应南华大学核科学技术学院邀请，中国核动力研究设计院龚禾林博士来我校参加“核科学与技术学院2021创新论坛—第一期”学术交流，并为师生带来“Data Assimilation in Nuclear Reactor Science: Theories, Applications and Challenges”的学术报告。
A THREE-DIMENSIONAL AEROSOL VARIATIONAL DATA ASSIMILATION SYSTEM FOR AIRCRAFT AND SURFACE OBSERVATIONS
Data assimilation WRF/Chem Aerosol Aircraft
2018/5/16
A three-dimensional variational data assimilation system is implemented within the Weather Research and Forecasting/Chemistry model, and the control variables consist of eight species of the Model for...
A THTEE-DIMENSIONAL VARIATIONAL ASSIMILATION SCHEME FOR SATELLITE AOD
AOD, Aerosol, Data assimilation, Chemical species, WRF/Chem
2018/5/15
A three-dimensional variational data assimilation scheme is designed for satellite AOD based on the IMPROVE (Interagency Monitoring of Protected Visual Environments) equation. The observation operator...
Hydrological Modelling and data assimilation of Satellite Snow Cover Area using a Land Surface Model,VIC
Snowmelt Runoff Beas VIC model MODIS SCA Data Assimilation Direct Insertion Ensemble kalman filter (EnKF)
2016/11/30
The snow cover plays an important role in Himalayan region as it contributes a useful amount to the river discharge. So, besides estimating rainfall runoff, proper assessment of snowmelt runoff for ef...
STUDY ON ENVISAT ASAR DATA ASSIMILATION IN RICE GROWTH MODEL FOR YIELD ESTIMATION
Rice Yield Map Crop Model Radar Model Data Assimilation Optimization Algorithm Classification
2015/12/28
In this paper, a practical scheme for assimilation of multi-temporal and multi-polarization ENVISAT ASAR data in rice crop model to map rice yield has been presented. To achieve this, rice distributio...
CROP MODEL DATA ASSIMILATION WITH THE ENSEMBLE KALMAN FILTER FOR IMPROVING REGIONAL CROP YIELD FORECASTS
Crop model data assimilation Ensemble Kalman filter
2015/9/8
Uncertainty in spatial and temporal distribution of rainfall in regional crop yield
simulations comprises a major fraction of the error on crop model simulation results. In
this paper we used an Ens...
OPERATIONAL ASSIMILATION OF SNOW DEPTH MAPS FOR IMPROVED REAL TIME RUNOFF NOWCASTING WITH SPATIALLY DISTRIBUTED HYDROLOGICAL MODELS
Operational assimilation snow depth maps
2015/9/8
Representative real time information on snow depth and snow water equivalent is needed for several
practical purposes, above all avalanche warning and flood forecast and control in spring. This study...
ASSIMILATION OF MODIS SNOW DATA IN A DETAILED MODEL OF ALPINE SNOW DYNAMICS AND SNOW HYDROLOGY
Alpine snow dynamics snow hydrology
2015/9/8
Snow as a water resource in mountains becomes more and more important as dryer and hotter conditions
prevail in many continental areas worldwide. Even maritime or temperate zones such as western and
...
PREPARING FOR THE ASSIMILATION OF REMOTE SENSING PRODUCTS BY LARGE-SCALE MODELS WITH UPDATED LAND SURFACE PROCESS SCHEMES
Data assimilation integration
2015/9/8
We present a computer efficient inversion software procedure enabling us to retrieve optimally, from
operational Terra broadband surface albedo products, a series of key vegetation characteristics su...
A FRAMEWORK OF A REMOTE SENSING DATA ASSIMILATION SYSTEM
Estimating environmental variables satellite observation
2015/9/8
Estimating environmental variables from satellite observation is often an ill-posed
inversion problem. There are currently multiple satellite sensors available for monitoring
land surface environmen...
The Impact of Multi-Sensor Data Assimilation on Plant Parameter Retrieval and Yield Estimation for Sugar Beet
yield modelling crop growth model PROMET
2015/5/6
Yield Maps are a basic information source for site-specific farming. For sugar beet they are not available as in-situ measurements. This gap of information can be filled with Earth Observation (EO) ...
Data assimilation techniques and modelling uncertainty in geosciences
Data assimilation (DA) Uncertainty 4D-VAR Minimization Cost function Kalman filter
2014/12/1
"You cannot step into the same river twice". Perhaps this ancient quote is the best phrase to describe the dynamic nature of the earth system. If we regard the earth as a several mixed systems, we wan...
Preliminary Results of a Data Assimilation System
Meteorological Analysis Forecasting Systems
2013/2/27
A data assimilation system combines all available information on the atmospheric state in a given time-window to produce an estimate of atmospheric conditions valid at a prescribed analysis time. Nowa...
Multivariate and Multiscale Data Assimilation in Terrestrial Systems: A Review
data assimilation multiscale multivariate modeling Ensemble Kalman Filter Particle Filter variational methods
2013/9/2
More and more terrestrial observational networks are being established to monitor climatic, hydrological and land-use changes in different regions of the World. In these networks, time series of state...
ASSIMILATION OF MODIS SNOW COVER FRACTION FOR IMPROVING SNOW VARIABLES ES TIMATION IN WEST CHINA
MODIS SCA Data Assimilation Ensemble Kalman Filter Common Land Model Snow Depth Snow Hydrology
2013/9/2
Accurate estimation of snow properties is important for effective water resources management especially in mountainous areas. In this work, we develop a snow data assimilation scheme based on ensemble...