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A Stochastic Covariance Shrinkage Approach in Ensemble Transform Kalman Filtering

期刊: TELLUS SERIES A-DYNAMIC METEOROLOGY AND OCEANOGRAPHY, 2023; 75 (1)

The Ensemble Kalman Filters (EnKF) employ a Monte-Carlo approach to represent covariance information, and are affected by sampling errors in operation......

Preliminary Assimilation of Satellite Derived Land Surface Temperature from SEVIRI in the Surface Scheme of the AROME- France Model

期刊: TELLUS SERIES A-DYNAMIC METEOROLOGY AND OCEANOGRAPHY, 2023; 75 (1)

The goal of this study is to examine the impact of assimilating satellite derived surface temperature over land (LST) in the surface scheme of AROME-F......

The Anomalous Regional Hadley Circulation in the ENSO Cycle

期刊: TELLUS SERIES A-DYNAMIC METEOROLOGY AND OCEANOGRAPHY, 2023; 75 (1)

Based on our previous work on El Nino-Southern Oscillation (ENSO) theory, this article investigated the relationship between regional Hadley circulati......

Influence of Phase Variations of Madden-Julian Oscillation on Wintertime Large-Scale Cold Events in China

期刊: TELLUS SERIES A-DYNAMIC METEOROLOGY AND OCEANOGRAPHY, 2023; 75 (1)

The station observations and reanalysis dataset are utilized to explore the effects of Madden-Julian Oscillation (MJO) on the cold extremes over the w......

High-Resolution Reanalysis of Daily Precipitation using AROME Model Over France

期刊: TELLUS SERIES A-DYNAMIC METEOROLOGY AND OCEANOGRAPHY, 2023; 75 (1)

Among the various meteorological variables, precipitation is one of significant interest, especially for hydrological studies. However, obtaining a re......

In Memoriam Gosta Walin 1938-2022

期刊: TELLUS SERIES A-DYNAMIC METEOROLOGY AND OCEANOGRAPHY, 2023; 75 (1)

Gosta Walin passed away in September 2022 at an age of 84. He was a highly original thinker, who has been influential on oceanographic research in Swe......

A Novel Machine Learning Based Bias Correction Method and Its Application to Sea Level in an Ensemble of Downscaled Climate Projections

期刊: TELLUS SERIES A-DYNAMIC METEOROLOGY AND OCEANOGRAPHY, 2023; 75 (1)

A new machine learning based bias correction method is presented and applied to sea level in a regional climate model. The bias corrections derived us......

Two-Dimensional Dynamics of Ice Crystal Parcels in a Cirrus Uncinus

期刊: TELLUS SERIES A-DYNAMIC METEOROLOGY AND OCEANOGRAPHY, 2023; 75 (1)

A simple 2D non-stationary parcel model has been elaborated by coupling kinematics and microphysics of ice crystals, for the purpose of retrieving rea......

Effect of the Quadric Shear Zonal Flows and Beta on the Downstream Development of Certain Unstable Baroclinic Waves

期刊: TELLUS SERIES A-DYNAMIC METEOROLOGY AND OCEANOGRAPHY, 2023; 75 (1)

Many factors are affecting the downstream development of baroclinic waves, among which zonal shear flow is one of the factors that need to be consider......

Two Methods for Data Assimilation of Wind Direction

期刊: TELLUS SERIES A-DYNAMIC METEOROLOGY AND OCEANOGRAPHY, 2023; 75 (1)

Wind direction observations are instrumental weather records that hold promise for improving historical weather reanalyses and extending them deeper i......

Using the (Iterative) Ensemble Kalman Smoother to Estimate the Time Correlation in Model Error

期刊: TELLUS SERIES A-DYNAMIC METEOROLOGY AND OCEANOGRAPHY, 2023; 75 (1)

Numerical weather prediction systems contain model errors related to missing and simplified physical processes, and limited model resolution. While it......

The Merits of Ocean Prediction for the Prediction of 2010, 2016, and 2021 Summer Heavy Rainfall Events in Japan

期刊: TELLUS SERIES A-DYNAMIC METEOROLOGY AND OCEANOGRAPHY, 2023; 75 (1)

The merits of ocean prediction for heavy rainfall prediction were examined using hindcast experiments for three summer heavy rainfall events in 2010, ......

A Comparison of Sea Surface Temperature Perturbation Methods for a Convection Permitting Ensemble Prediction System Over the European Arctic

期刊: TELLUS SERIES A-DYNAMIC METEOROLOGY AND OCEANOGRAPHY, 2023; 75 (1)

This article investigates two different methods for perturbing sea surface temperature (SST) in a convection permitting ensemble prediction system bas......

A Feasibility Study of Three-Dimensional Empirical Orthogonal Functions From the NASA JPL Ocean General Circulation Model: Computing, Visualization and Interpretation

期刊: TELLUS SERIES A-DYNAMIC METEOROLOGY AND OCEANOGRAPHY, 2023; 75 (1)

Existing oceanic studies on either data reconstruction or dynamics often used 2-dimensional empirical orthogonal functions (EOF) for sea surface tempe......

Fourth Order Partitioned Methods Designed for the Time Integration of Atmospheric Models

期刊: TELLUS SERIES A-DYNAMIC METEOROLOGY AND OCEANOGRAPHY, 2023; 75 (1)

In this paper we derive a fourth order two step Runge-Kutta method with four stages, for additively partitioned systems of ordinary differential equat......

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