Error estimation issues regarding observing and/or modeling are thought to be a bottleneck for improving the performance of data assimilation (DA) systems. The main purpose of this chapter is to review the error-related problems for land DA systems and to expose the basic ingredients of practical...
A satellite Land Data Assimilation System (LDAS-WRF) was developed by coupling the Weather Research and Forecasting Model (WRF), as an atmospheric driver, to physically introduce the soil moisture observations and improve the representation of land surface and lower boundary conditions in Numerical Wea...
Data assimilation (DA) techniques are powerful means of dynamic natural system modeling that allow for the use of data as soon as it appears to improve model predictions and reduce prediction uncertainty by correcting state variables, model parameters, and boundary and initial conditions. The objectiv...
This review provides an overview of coupled data assimilation, introduces examples of its use in research on sea ice-ocean interactions and the land, and discusses its future outlook. Assimilation of coupled data constitutes an effective method for monitoring cold regions for which observational data ...
Here, we present an overview of physical models that can capture landslide processes during centrifuge modelling. This review focuses on (i) the experimental principles and considerations, (ii) landslide models subjected to various triggering factors, including centrifugal acceleration, rainfall, ...
A Aksoy,DC Dowell,C Snyder - 《Monthly Weather Review》 被引量: 250发表: 1917年 A Real-Time Weather-Adaptive 3DVAR Analysis System for Severe Weather Detections and Warnings A real-time, weather-adaptive three-dimensional variational data assimilation (3DVAR) system has been adapted for the NO...
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A Land Data Assimilation System (LDAS) able to ingest surface soil moisture (SSM) and Leaf Area Index (LAI) observations is tested at local scale to increase prediction accuracy for water and carbon fluxes. The ISBA-A-gs Land Surface Model (LSM) is used together with LAI and the soil wat...
Plastic usage increases year by year, and the growing trend is projected to continue. However as of 2017, only 9% of the 9 billion tons of plastic ever pro
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