Results 41 to 50 of about 576 (96)

Characteristics of lightning signals over the Tibetan Plateau and the capability of FY-4A LMI lightning detection in the Plateau

International Journal of Remote Sensing, 2020
ABSTRACTBecause of its topographic features, lightning flashes are unique over the Tibetan Plateau.
Wen Hui, Fuxiang Huang, Ruixia Liu
semanticscholar   +3 more sources

A Downscaling Method for FY-4A LMI Lightning Density Based on Integrated Multi-Scale Spatial Attention

International Conference on Virtual Reality and Visualization
To improve the spatial resolution of lightning monitoring data and enhance its structural detail representation, a downscaling method for FY-4A LMI lightning density is proposed, which integrates multi-scale spatial attention.
Gang Li, Jianan Xie, Xiaodong Liu, Ling Zhang, Wenjin Pan   +4 more
semanticscholar   +2 more sources

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Preliminary characteristics of measurements from Fengyun-4A Lightning Mapping Imager

, 2021
The geostationary satellite-borne lightning measurements provide new and more effective way for lightning detection from space. In December 2016, Lightning Mapping Imager (LMI) onboard the Fengyun-4A (FY-4A) geostationary satellite was launched, which ...
W. Hui, Q. Guo
semanticscholar   +1 more source

Quality Assessment of FY-4A Lightning Data in Inland China

, 2020
The Lightning Mapping Imager (LMI) equipped on the FY-4A (FengYun-4A) geostationary satellite achieves lightning positioning through optical imaging and has the advantages of high temporal resolution, high stability, and continuous observation.
Liu Rui-xiao, Lu Qi-feng, Chen Min, Z. Yong, Hui Wen, Li Xiao-qing   +5 more
semanticscholar   +1 more source

A Method to Update Model Kinematic States by Assimilating Satellite‐Observed Total Lightning Data to Improve Convective Analysis and Forecasting

Journal of Geophysical Research: Atmospheres, 2020
This study assesses the benefit of convective‐scale data assimilation (DA) for model initialization using well‐known functional relationships between lightning flash rate and vertical velocity.
Zhixiong Chen, Juanzhen Sun, X. Qie, Ying Zhang, Zhuming Ying, Xian Xiao, Dongjie Cao   +6 more
semanticscholar   +1 more source

Comparison and Analysis of Lightning Occurrence Characteristics Based on Data Obtained by Fengyun-4A Satellite and ADTD Three-Dimensional Lightning Monitoring Network in Jiangsu Province

2019 11th Asia-Pacific International Conference on Lightning (APL), 2019
Lightning monitoring data provide foundation for the study of lightning discharge characteristics and activities, which mainly came from two ways: one was satellite monitoring based on optical imaging principle and the other was ground monitoring based ...
Liu Yan, Li Zheng, Wang Hongbing
semanticscholar   +1 more source

Characteristics of Lightning Activity in Southeast China and its Relation to the Atmospheric Background

热带气象学报(英文版)
: Based on the lightning observation data from the Fengyun-4A (FY-4A) Lightning Mapping Imager (FY-4A/ LMI) and the Lightning Imaging Sensor (LIS) on the International Space Station (ISS), we extract the “event” type data as the lightning detection ...
Shulin Zhi, Jie Zhu, Yan Liu, Mengni Mao
semanticscholar   +1 more source

Analysis of Lightning Characteristics in Severe Convective Weather Using Integrated Satellite–Ground Lightning Data

Sensors and materials
In this study, the integrated data from the Fengyun-4A (FY-4A) satellite lightning mapping imager (LMI), advanced time of arrival and direction system (ADTD), world wide lightning location network (WWLLN), black body temperature ( TBB ...
Ning Kang, Xiangke Liu, Chang Liu, Yuwei Li, Huaizheng Yu, Jian Qiao   +5 more
semanticscholar   +1 more source

Exploring the Assimilation of All-Sky FY-4A GIIRS Radiances and Its Forecasts for Binary Typhoons

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
Cloud interference significantly affects infrared (IR) satellite observations, posing substantial challenges in data assimilation. The geostationary interferometric infrared sounder (GIIRS) onboard Fengyun-4A (FY-4A), the first IR hyperspectral ...
Qian Xie, Deqin Li, Yi Yang, Yonghong Zhao, Hong Li, Shengjie Zhu, Xiao Pan   +6 more
semanticscholar   +1 more source

Retrieving the Atmospheric Water Vapor Profile Combining FY-4A/GIIRS and Ground-Based GNSS PWV in Hong Kong Region

IEEE Transactions on Geoscience and Remote Sensing
Rapid and accurate retrieval of vertical water vapor distributions is important for numerical weather forecasting, climate research, and disaster management.
Peng Jiang, Ruiyan Liu, Yanfeng Huo, Yanlan Wu, Shirong Ye, Sichen Wang, Xi Mu, Li Zhu   +7 more
semanticscholar   +1 more source