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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
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。
Data assimilation method offers improved hurricane forecasting（图）
Data assimilation method hurricane forecasting
2019/10/21
In 2017, operational models predicted that Hurricane Harvey would become a Category 1 hurricane. Instead, it became a massive Category 4 storm just before it made landfall, and tied Hurricane Katrina ...
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...
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...
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...
Global sensitivity analysis,probabilistic calibration,and predictive assessment for the data assimilation linked ecosystem carbon model
Global sensitivity analysis probabilistic calibration predictive assessment data assimilation linked ecosystem carbon model
2015/8/6
In this paper we propose a probabilistic framework for an uncertainty quantification (UQ) study of a carbon cycle model and focus on the comparison between steady-state and transient simulation setups...
Data assimilation is the process of combining our knowledge of a system, including both observations and dynamics, to produce estimates of the state of a system. The state of a system, or state variab...
The modular ocean data assimilation system (MODAS) was designed to meet the U.S. Navy's need to produce rapid estimates of present and near-term ocean conditions, often in situations where little or n...
Progress and Prospects of U.S. Data Assimilation in Ocean Research
Ocean Research Progress and Prospects
2015/7/23
This report summarizes goals, activities, and recommendations of a workshop on data assimilation held in Williamsburg, Virginia on September 9–11, 2003, and sponsored by the U.S. Office of Naval Resea...
Eastern US Continental Shelf Carbon Budget:Integrating Models,Data Assimilation,and Analysis
Eastern US Continental Shelf Carbon Budget Integrating Models Data Assimilation Analysis
2015/7/20
The past two decades have seen the development of large multidisciplinary oceanographic programs that focus on understanding carbon cycling processes in coastal and oceanic environments. Synthesis and...
A Forecasting Procedure for Plate Boundary Earthquakes Based on Sequential Data Assimilation
Plate Boundary Earthquakes Sequential Data Assimilation
2015/7/17
A forecasting procedure is proposed for plate boundary earthquakes in subduction zones. It is based on spatio-temporal variation in slip velocity on the plate interface, which causes interplate earthq...
Integrating Biogeochemistry and Ecology Into Ocean Data Assimilation Systems
Integrating Biogeochemistry Ecology Ocean Data Assimilation Systems
2015/7/6
Monitoring and predicting the biogeochemical state of the ocean and marine ecosystems is an important application of operational oceanography that needs to be expanded. The accurate depiction of the o...
GODAE: The Global Ocean Data Assimilation Experiment
GODAE Global Ocean Data Assimilation Experiment
2015/7/6
During 1996 and 1997, Neville Smith and Michel Lefèbvre developed the Global Ocean Data Assimilation Experiment (GODAE) concept (Smith and Lefèbvre, 1997). Its central idea was to conduct a 10-year in...