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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
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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
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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...
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)
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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
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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
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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...
A FRAMEWORK OF A REMOTE SENSING DATA ASSIMILATION SYSTEM
Estimating environmental variables satellite observation
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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
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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
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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
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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
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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...
MULTIPLE HUMAN TRACKING IN COMPLEX SITUATION BY DATA ASSIMILATION WITH PEDESTRIAN BEHAVIOR MODEL
Observations Simulation Integration Image Sequences Tracking System Modelling
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2014/4/28
A new method of multiple human tracking is proposed. The key concept is that to assume a tracking process as a data assimilation process. Despite the importance of understanding pedestrian behavior in...
USER FRIENDLY OPEN GIS TOOL FOR LARGE SCALE DATA ASSIMILATION – A CASE STUDY OF HYDROLOGICAL MODELLING
Open systems GIS Software
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2014/4/28
Open source software (OSS) coding has tremendous advantages over proprietary software. These are primarily fuelled by high level
programming languages (JAVA, C++, Python etc...) and open source geos...
Spatial horizontal correlation characteristics in the land data assimilation of soil moisture
Spatial horizontal correlation characteristics land data assimilation soil moisture
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2013/9/2
Remote sensing images deliver important information about soil moisture, but often cover only part of an area, for example due to the presence of clouds or vegetation. This paper examines the potentia...
Preliminary Meteorological Results of a Four-Dimensional Data Assimilation Technique in Southern Italy
Data Assimilation Short Term Forecast Mesoscale Model Performance
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2013/2/26
A four-dimensional data assimilation (FDDA) scheme based on a Newtonian relaxation (or “nudging”) was tested using observational asynoptic data collected at a coastal site in the Central Mediterranean...