云南高校图书馆联盟文献共享服务平台- 3D-VAR

3D-VAR: 作品数：18被引量：133H指数：5; 导出分析报告; 相关领域：天文地球更多>>; 相关作者：杨毅庄世宇陈子通万齐林丁伟钰更多>>; 相关机构：兰州大学中国气象科学研究院南京信息工程大学中国气象局广州热带海洋气象研究所更多>>; 相关期刊：《Journal of Meteorological Research》《Open Journal of Marine Science》《应用气象学报》《Acta Oceanologica Sinica》更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划公益性行业(气象)科研专项国家科技基础条件平台建设计划更多>>

Implementation of CMA-GFS 3D-Var System on the Yin-Yang Grid被引量：1: 《Journal of Tropical Meteorology》2021年第4期346-354,共9页ZHUANG Zhao-rong XUE Ji-shan SHEN Xue-shun LI Xing-liang; National Key R&D Program of China(2017YFC1501901,2017YFA0603901)。; The global three-dimensional variational(3D-Var)data assimilation is implemented on a new quasi-uniform overset(Yin-Yang)grid on sphere.As a quasi-uniform spherical grid,it covers the sphere by overlapping two perpend...; 关键词：Yin-Yang grid latitude-longitude grid CMA-GFS regional 3D-Var global 3D-Var

China Ocean ReAnalysis(CORA)version 1.0 products and validation for 2009-18被引量：2: 《Atmospheric and Oceanic Science Letters》2021年第5期37-41,共5页Guofang Chao Xinrong Wu Lianxin Zhang Hongli Fu Kexiu Liu Guijun Han; supported by grants from the National Key Research and Development Program of China [grant numbers 2016YFC1401800,2017YFC1404103,2016YFC1401701,and 2019YFC1510000];the National Natural Science Foundation of China [grant number 41976019];the Tianjin Natural Science Foundation [grant number 18JCQNJC01200]。; China Ocean ReAnalysis(CORA) version 1.0 products for the period 2009-18 have been developed and validated.The model configuration and assimilation algorithm have both been updated compared to those of the 51-year(195...; 关键词：China Ocean ReAnalysis(CORA) VALIDATION Multigrid 3D-Var assimilation

A New Multigrid 3D-VAR Optimization Method for Bottom Friction Using HF Radar Current Observation: 《Journal of Ocean University of China》2019年第6期1247-1255,共9页ZHANG Xiaoshuang WU Xinrong LI Wei WANG Bin ZHU Xiande LIU Kexiu SHAO Caixia SUN Chunjian CHAO Guofang ZHANG Tiecheng; supported by the National Natural Science Foundation of China (Nos. 41506039, 41776004, 41775100 and 41606039);the National Key Research and Development Program of China (No. 2016YFC1401800);the Fundamental Research Funds for the Central Universities (No. 2016B12514);the National Programme on Global Change and Air-Sea Interaction of China (No. GASI-IPO VAI-04); This paper proposes a new method for data assimilation of the surface radial current observed by High Frequency ground wave radar and optimization of the bottom friction coefficient.In this method,the shallow water wa...; 关键词：MULTIGRID 3D-VAR optimization RADIAL current VELOCITY BOTTOM FRICTION

变分数据同化方法中背景误差协方差矩阵的统计特性研究被引量：3: 《西北师范大学学报（自然科学版）》2019年第1期50-54,共5页摆玉龙孟若玉马真东柴乾隆; 国家自然科学基金资助项目(41861047;41461078);西北师范大学科研能力提升团队资助项目(NWNU-LKQN-1706); 变分数据同化方法中,背景误差协方差矩阵(简称B矩阵)作为反映模型不同状态变量间关系的重要数学量,对保证解的唯一性和分析值的平滑性具有重要意义.文中简述了B矩阵的结构特征和相关性质.针对难以获得真实B矩阵的情况,采用National mete...; 关键词：背景误差协方差 3D-VAR NMC方法统计分析

Recent Advances in Japanese Fisheries Science in the Kuroshio-Oyashio Region through Development of the FRA-ROMS Ocean Forecast System: Overview of the Reproducibility of Reanalysis Products: 《Open Journal of Marine Science》2017年第1期62-90,共29页Hiroshi Kuroda Takashi Setou Shigeho Kakehi Shin-ichi Ito Takeshi Taneda Tomonori Azumaya Denzo Inagake Yutaka Hiroe Kenji Morinaga Makoto Okazaki Takashi Yokota Takeshi Okunishi Kazuhiro Aoki Yugo Shimizu Daisuke Hasegawa Tomowo Watanabe; To address various fisheries science problems around Japan, the Japan Fisheries Research and Education Agency (FRA) has developed an ocean forecast system by combining an ocean circulation model based on the Regional ...; 关键词：ROMS 3D-VAR Objective Analysis REANALYSIS Data FISHERIES SCIENCE Particle-Tracking Experiment

利用WRF 3D-Var同化多普勒雷达反演风场试验研究被引量：3: 《冰川冻土》2016年第1期107-114,共8页杨丽丽王莹杨毅; 国家重点基础研究发展计划(973计划)项目(2013CB430102);公益性行业(气象)科研专项(GYHY201306006);国家自然科学基金项目(41175092)资助; 为了将C波段雷达风场资料更好地应用于数值预报模式中,利用两步变分法反演多普勒雷达风场资料,并处理成标准的常规探空资料,以WRF模式及其三维变分同化系统为平台,针对2013年6月19日发生在天水的一次强暴雨过程进行同化雷达反演风的试...; 关键词：同化雷达反演风 WRF 3D-VAR

Notes and correspondence on ensemble-based three-dimensional variational filters: 《Journal of Zhejiang University-Science C(Computers and Electronics)》2013年第8期634-641,共8页Hong-ze LENG Jun-qiang SONG Fu-kang YIN Xiao-qun CAO; Project supported by the National Natural Science Foundation of China (No. 41105063);the Special Fund for Meteorological Scientific Research in the Public Interest (No. GYHY20100615); Several ensemble-based three-dimensional variational (3D-Var) filters are compared. These schemes replace the static background error covariance of the traditional 3D-Var with the ensemble forecast error covariance, b...; 关键词：3D-VAR Ensemble Kalman filter (EnKF) Ensemble transformation Kalman filter (ETKF) Physical space analysis system (PSAS) Ensemble data assimilation

FY-3A卫星MWHS资料同化及四川盆地暴雨数值模拟分析被引量：5: 《成都信息工程学院学报》2013年第3期258-266,共9页张旭煜朱克云张杰苏捷; 科技部公益性行业(气象)科研专项资助项目(GYHY200906006); 为研究中国FY-3A(风云三号A卫星)资料在数值模式中对暴雨模拟的作用,以2012年07月03日发生在四川盆地的一次暴雨过程为个例。利用WRF(V3.3)模式和三维变分同化系统WRF-3DVAR,对FY-3A的MWHS(微波湿度计)资料进行同化试验研究。研究结果表...; 关键词：气象学 MWHS资料FY-3A 3D-VAR同化暴雨数值模拟

一种基于进化策略的3D-Var代价函数优化方法被引量：2: 《气象科技》2013年第2期294-299,共6页耿焕同张建孙义杰黄艳红; 国家自然科学基金(61103235);灾害天气国家重点实验室基金(2010LASW-A02)资助; 数值天气预报准确性直接取决于好的预报模式和初始场;资料同化方法就是一种有效的求解初始场方法。鉴于进化算法在求解这些数值问题方面的优越性,将进化策略算法应用到变分同化方法中,即将三维变分方法中的代价函数作为进化策略算法优...; 关键词：Lorenz模式资料同化三维变分方法进化策略

TAMDAR Observation Assimilation in WRF 3D-Var and Its Impact on Hurricane Ike (2008) Forecast被引量：2: 《Atmospheric and Oceanic Science Letters》2012年第3期206-211,共6页Hong-Li WANG Xiang-Yu HUANG; funded by the Air Dat project;The National Center for Atmospheric Research is sponsored by the National Science Foundation; This study evaluates the impact of atmospheric observations from the Tropospheric Airborne Meteorological Data Reporting (TAMDAR) observing system on numerical weather prediction of hurricane Ike (2008) using three-di...; 关键词：data assimilation TAMDAR numerical weather prediction HURRICANE WRF

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