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  • 收录类型=SCI-EXPANDEDx
  • 人物=张宇x
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25 条 记 录,以下是 1-25

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Increase in tropical cyclone rain rate with translation speed
NATURE COMMUNICATIONSTu, Shifei Chan, Johnny C. L. Xu, Jianjun Zhong, Quanjia Zhou, Wen Zhang, Yu  出版年:2022
Using satellite observations, the authors show that the average tropical cyclone (TC) rain rate increases significantly with translation speed. On average, the rain rate of a fast-moving TC is about 24% higher than that ...
The Relationship between Polar Vortex and Ozone Depletion in the Antarctic Stratosphere during the Period 1979-2016
ADVANCES IN METEOROLOGYZhang, Yu Li, Jing Zhou, Libo  出版年:2017
As the most prominent feature of the polar stratosphere, polar vortex results in widespread changes in the climate system, especially in the ozone variation. In this study, the linkage between polar vortex and ozone depl...
Impact of two typhoons on the marine environment in the Yellow Sea and East China Sea
CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGYFu Dongyang Luan Hong Pan Delu Zhang Ying Wang Li'an Liu Dazhao Ding Youzhuan Li Xue  出版年:2016
This study investigated the effects of two typhoons (Nari and Wipha) on sea surface temperature (SST) and chlorophyll-a (Chl-a) concentration. Typhoons Nari and Wipha passed through the Yellow Sea on September 13, 2007 a...
关键词:typhoon  Yellow Sea  East China Sea  chlorophyll-α concentration  sea surface temperature  被引量:17
Data assimilation of adaptive observation and application for typhoon forecasts over the Western North Pacific
ATMOSPHERIC RESEARCHChen, Siqi Zhang, Yu Xu, Jianjun Shen, Wenqi Ye, Guiling Lu, Zebin  出版年:2022
In this study, we added the post-processing module of the Ensemble Transform Sensitivity (ETS) to identify regions sensitive to adaptive observations of different variables at different levels for typhoon forecasts. We s...
Exploring the Impact of Planetary Boundary Layer Schemes on Rainfall Forecasts for Typhoon Mujigae, 2015
ATMOSPHEREShen, Wenqi Lu, Zebin Ye, Guilin Zhang, Yu Chen, Siqi Xu, Jianjun  出版年:2022
Sensitivity experiments were conducted on Typhoon Mujigae, which occurred in 2015, wherein the Weather Research and Forecasting Advanced Research (WRF-ARW) model was used to select two local and two nonlocal planetary bo...
Parameter selection and model research on remote sensing evaluation for nearshore water quality
ACTA OCEANOLOGICA SINICALei Guibin Zhang Ying Pan Delu Wang Difeng Fu Dongyang  出版年:2016
Using remote sensing technology for water quality evaluation is an inevitable trend in marine environmental monitoring. However, fewer categories of water quality parameters can be monitored by remote sensing technology ...
关键词:main water quality parameters   water quality parameter selection   comprehensive water qualityevaluation model   Leizhou Peninsula nearshore waters  被引量:6
Large-scale dynamic, heat and moisture structures of monsoon-influenced precipitation in the East Asian monsoon rainy area
QUARTERLY JOURNAL OF THE ROYAL METEOROLOGICAL SOCIETYZhang, Chunyan Wang, Donghai Pang, Zihao Zhang, Yu Jiang, Xiaoling Zeng, Zhilin Wu, Zhenzhen  出版年:2021
This study investigated large-scale dynamic structures along with heat and moisture budgets associated with monsoon-influenced precipitation over a typical rainy domain in the East Asian monsoon region. Large-scale dynam...
Factors affecting spring bloom in the South of Cheju Island in the East China Sea
ACTA OCEANOLOGICA SINICAFu Dongyang Huang Zhaojun Zhang Yuanzhi Pan Delu Ding Youzhua Liu Dazhao Zhang Ying Mao Zhihua Chen Jianfang  出版年:2015
A soil circulation occurs in the south of Cheju Island in the spring. Nutrients and its influence on chlorophyll a (Chl a) around the circulations were studied from April 9 to May 6, 2007. Spring bloom with elevated conc...
关键词:phosphate   nitrate   silicate   phytoplankton   circulation  被引量:4
Analysis of the Severe Dust Process and Its Impact on Air Quality in Northern China
ATMOSPHERELiu, Xiaoyu Zhang, Yu Yao, Hailan Lian, Qinlai Xu, Jianjun  出版年:2023
Extreme meteorological events can influence air quality. In March 2021, northern China experienced a severe dust event, leading to widespread air quality deterioration. Using reanalysis datasets and station data, we inve...
Statistical Characteristics and Composite Environmental Conditions of Explosive Cyclones over the Japan Sea and Kuroshio/Kuroshio Extension
ATMOSPHEREZhang, Shuqin Fu, Gang Zhang, Yu Xu, Jianjun Xue, Yufeng Tang, Ruoying Gao, Xiaoyu Liu, Chunlei Long, Jingchao  出版年:2022
Statistical characteristics and composite synoptic-scale environmental conditions of explosive cyclones (ECs) over the Japan Sea and Kuroshio/Kuroshio Extension are examined and compared using ERA5 atmospheric reanalysis...
Comparison between Multi-Physics and Stochastic Approaches for the 20 July 2021 Henan Heavy Rainfall Case
ATMOSPHEREShao, Duanzhou Zhang, Yu Xu, Jianjun Zhang, Hanbin Chen, Siqi Tu, Shifei  出版年:2022
In this study, three model perturbation schemes, the stochastically perturbed parameter scheme (SPP), stochastically perturbed physics tendency (SPPT), and multi-physics process parameterization (MP), were used to repres...
Impact of GPS radio occultation assimilation on the 18-21 July 2021 heavy rainfall event in Henan
ATMOSPHERIC RESEARCHChen, Siqi Xu, Jianjun Zhang, Yu Shen, Wenqi Guan, Zhaoyong Dong, Changming  出版年:2023
The Gridpoint Statistical Interpolation (GSI) assimilation system and Weather Research & Forecasting (WRF) mesoscale regional model were used to investigate the sensitivity of assimilating Global Positioning System radio...
Sensitivity of Typhoon Lingling (2019) simulations to horizontal mixing length and planetary boundary layer parameterizations
FRONTIERS OF EARTH SCIENCEChen, Siqi Xu, Feng Zhang, Yu Ye, Guiling Xu, Jianjun Liu, Chunlei  出版年:2022
Forecasting the intensity of typhoons is a difficult problem in numerical weather prediction. It is subject to many factors, among which the selection of physical parameterization schemes for the model is a hot topic of ...
Relationship between the Tibetan Plateau-tropical Indian Ocean thermal contrast and the South Asian summer monsoon
FRONTIERS OF EARTH SCIENCELuo, Xiaoqing Xu, Jianjun Zhang, Yu Li, Kai  出版年:2021
The impact of land-sea thermal contrast on the South Asian summer monsoon (SASM) was investigated by calculating the atmospheric heat sources (AHS) and baroclinic component with ERA5 data for the period 1979-2019. Using ...
Enhancing Extreme Precipitation Forecasts through Machine Learning Quality Control of Precipitable Water Data from Satellite FengYun-2E: A Comparative Study of Minimum Covariance Determinant and Isolation Forest Methods
REMOTE SENSINGShen, Wenqi Chen, Siqi Xu, Jianjun Zhang, Yu Liang, Xudong Zhang, Yong  出版年:2024
Variational data assimilation theoretically assumes Gaussian-distributed observational errors, yet actual data often deviate from this assumption. Traditional quality control methods have limitations when dealing with no...
Quantifying the impact of assimilating sensitive observations on heavy precipitation forecast with ensemble-based forecast sensitivity to observations technique
ATMOSPHERIC RESEARCHHuang, Lingdong Zhang, Yu Wang, Donghai Zeng, Zhilin  出版年:2024
In this study, the Ensemble-based Forecast Sensitivity to Observations (EFSO) technique was used to examine the impact of assimilated sensitive observations on the forecast of heavy rainfall through three data assimilati...
Characteristics of Atmospheric Heat Sources in the Tibetan Plateau-Tropical Indian Ocean Region
JOURNAL OF TROPICAL METEOROLOGYLuo Xiao-qing Xu Jian-jun Liu Chun-lei Zhang Yu Li Kai Wu Lang-qi  出版年:2021
Investigating the temporal and spatial distributions of the atmospheric heat sources (AHS) over the Tibetan Plateau-Tropical Indian Ocean (TP-TIO) region is of great importance for the understanding of the evolution and ...
关键词:atmospheric heat sources  Tibetan Plateau  Tropical Indian Ocean  land-sea thermal contrast  被引量:1
Comparing Quality Control Procedures Based on Minimum Covariance Determinant and One-Class Support Vector Machine Methods of Aircraft Meteorological Data Relay Data Assimilation in a Binary Typhoon Forecasting Case
ATMOSPHERELi, Jiajing Zhang, Yu Chen, Siqi Shao, Duanzhou Hu, Jiazheng Feng, Junjie Tan, Qichang Wu, Deping Kang, Jiaqi  出版年:2023
This study investigates the impact of assimilating Aircraft Meteorological Data Relay (AMDAR) observations on the prediction of two typhoons, Nesat and Haitang (2017), using the Gridpoint Statistical Interpolation (GSI) ...
Comparison of Adaptive Simulation Observation Experiments of the Heavy Rainfall in South China and Sichuan Basin
ADVANCES IN ATMOSPHERIC SCIENCESHe, Linbin Peng, Weiyi Zhang, Yu Miao, Shiguang Chen, Siqi Li, Jiajing Shao, Duanzhou Zhang, Xutao  出版年:2024
This study examines the effectiveness of adaptive observation experiments using the ensemble transformation sensitivity (ETS) method to improve precipitation forecasts during heavy rainfall events in South China and the ...
The impact of WRF vertical resolution on the simulated thermal-dynamic structures and intensity of Typhoon Lekima
FRONTIERS IN EARTH SCIENCELian, Qinlai Zhang, Yu Liu, Xiaoyu Xu, Jianjun  出版年:2024
This study utilizes the Weather Research and Forecasting (WRF) to comparatively analyze the impact of three vertical grid resolution (VGR) enhancement schemes on the simulation of super typhoon Lekima under two different...
Sichuan Rainfall Prediction Using an Analog Ensemble
ATMOSPHERELai, Pengyou Yang, Jingtao Liu, Lexi Zhang, Yu Sun, Zhaoxuan Huang, Zhefan Shao, Duanzhou He, Linbin Rigo, Tomeu Havemann, Stephan  出版年:2023
This study aimed to address the significant bias in 0-44-day precipitation forecasts under numerical weather conditions. To achieve this, we utilized observational data obtained from 156 surface stations in the Sichuan r...
Impact of Multiphysics Ensemble on Typhoon Mujigae(2015)Simulation in WRF Model
JOURNAL OF TROPICAL METEOROLOGYLian, Qin-lai Zhang, Yu Xu, Jian-jun Liu, Xiao-yu  出版年:2024
Typhoons, characterized by their high destructive potential, significantly impact coastal residents' lives and property safety. To optimize numerical models' typhoon simulation, carefully selecting appropriate physical p...
关键词:WRF  typhoon simulation  cumulus parameterization  microphysics parameterization  deep convection  被引量:0
Sensitive Areas' Observation Simulation Experiments of Typhoon "Chaba" Based on Ensemble Transform Sensitivity Method
ATMOSPHEREAo, Yanlong Zhang, Yu Shao, Duanzhou Zhang, Yinhui Tang, Yuan Hu, Jiazheng Zhang, Zhifei Sun, Yuhan Lyu, Peining Yu, Qing He, Ziyan  出版年:2024
High-impact weather (HIW) events, such as typhoons, usually have sensitive regions where additional observations can be deployed and sensitive observations assimilated, which can improve forecasting accuracy. The ensembl...
The Month-to-Year Precursory and Synchronous Inherent Connections between Global Oceanic Modes and Extreme Precipitation over China
ADVANCES IN ATMOSPHERIC SCIENCESLiu, Xiaoyu Zhang, Yu He, Bian Liu, Yimin Wu, Guoxiong Xu, Jianjun Bao, Qing Hu, Wenting Mao, Jiangyu  出版年:2025
The multiscale variability in summer extreme persistent precipitation (SEPP) in China from 1961 to 2020 was investigated via three extreme precipitation indices: consecutive wet days, total precipitation amount, and dail...
Study of Quality Control Methods Utilizing IRMCD for HY-2B Data Assimilation Application
ATMOSPHEREHu, Jiazheng Zhang, Yu Xu, Jianjun Li, Jiajing Shao, Duanzhou Tan, Qichang Feng, Junjie  出版年:2024
Quality control (QC) of HaiYang-2B (HY-2B) satellite data is mainly based on the observation process, which remains uncertain for data assimilation (DA). The data in operation have not been widely used in numerical weath...
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