Search Results - "Zha, Guozhen"

A case study of a phytoplankton bloom triggered by a tropical cyclone and cyclonic eddies by Lü, Haibin, Zhao, Xingyu, Sun, Jialong, Zha, Guozhen, Xi, Jingyuan, Cai, Shuqun

“…Strong tropical cyclone (TC) Ockhi occurred in the southeastern Arabian Sea (AS) in 2017. Ockhi greatly changed the oceanic conditions and induced large…”
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Ocean Internal Wave Detection in SAR Images Based on Improved YOLOv7 by Cai, Limei, Zha, Guozhen, Lin, Mingsen, Wang, Xiao, Zhang, Honghua

“…Ocean internal waves not only enhance ocean mixing and impact sediment resuspension, but also threaten the safety of marine engineering facilities and…”
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Effects of westward shoaling pycnocline on characteristics and energetics of internal solitary wave in the Luzon Strait by numerical simulations by Lü, Haibin, Liu, Yujun, Chen, Xiaokang, Zha, Guozhen, Cai, Shuqun

“…An internal gravity wave model was employed to simulate the generation of internal solitary waves (ISWs) over a sill by tidal flows. A westward shoaling…”
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Eddy‐Induced Chlorophyll Anomalies in the Western South China Sea by He, Qingyou, Zhan, Haigang, Xu, Jie, Cai, Shuqun, Zhan, Weikang, Zhou, Linbin, Zha, Guozhen

“…The western South China Sea (WSCS) exhibits intense mesoscale eddy activity, especially in summer. However, the influence of the eddies on regional ecosystems…”
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A curvelet-based method to determine wave directions from nautical X-band radar images by Zha, Guozhen, He, Qingyou, Guan, Changlong, Chen, Jitao

“…A new method to determine wave directions from nautical X-band images is proposed. The signatures of ocean waves show obvious scale and directional…”
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An accelerated nonlocal means algorithm for synthetic aperture radar ocean image despeckling by Zha, Guozhen, Xu, Dewei, Yang, Yanming, Song, Xin’gai, Zhong, Fuhuang

“…Synthetic aperture radar (SAR) images play an increasingly important role in ocean environmental monitoring and research. However, SAR images are inherently…”
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Speckle suppression in synthetic aperture radar ocean internal solitary wave images with curvelet transform by Zha, Guozhen, He, Qingyou, Guan, Changlong, Sun, Jian, He, Mingxia

“…This paper proposes a speckle-suppression method for ocean internal solitary wave（ISW） synthetic aperture radar（SAR） images by using the curvelet transform.The…”
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Global air-sea surface carbon-dioxide transfer velocity and flux estimated using ERS-2 data and a new parametric formula by Yu, Tan, He, Yijun, Zha, Guozhen, Song, Jinbao, Liu, Guoqiang, Guo, Jie

“…Using data from the European remote sensing scatterometer （ERS-2） from July 1997 to August 1998, glob- al distributions of the air-sea CO2 transfer velocity…”
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Extraction of internal wave amplitude from nautical X-Band radar observations by 查国震 林明森 申辉 何宜军 吕海滨

“…One of the most important parameters for oceanic internal waves （IWs） is their amplitude. We have developed a method to retrieve the IW amplitude from nautical…”
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A new method for enhancing signatures of ocean surface waves in nautical X-band radar images by Zha, Guozhen, Chen, Zhongbiao, Lin, Zhijia, Peng, Lin, Zhang, Jie, He, Weiye

“…Nautical X-band radars are used to continuously monitor large ocean surface areas with high temporal and spatial resolution. The signatures of ocean surface…”
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On the asymmetry of eddy-induced surface chlorophyll anomalies in the southeastern Pacific: The role of eddy-Ekman pumping by He, Qingyou, Zhan, Haigang, Cai, Shuqun, Zha, Guozhen

“…•Chlorophyll anomalies formed by eddy stirring and eddy-Ekman pumping distinguished.•Eddy-Ekman pumping dominates the asymmetry of chlorophyll anomalies within…”
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A combined EMD and MSSA model for the extraction of gravity tide correction from relative gravimetric data by Wang, Jianbo, Guo, Jinyun, Yu, Hongjuan, Yang, Yi, Ji, Bing, Ouyang, Yongzhong, Zha, Guozhen

“…A combined empirical mode decomposition (EMD) and multichannel singular spectrum analysis (MSSA) model (EMD–MSSA model) was used for extraction of the gravity…”
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The force exerted on a cylindrical pile by ocean internal waves derived from nautical X-band radar observations and in-situ buoyancy frequency data by Zha, Guozhen, He, Yijun, Yu, Tan, He, Qingyou, Shen, Hui

“…Although large amplitude ocean internal waves (IWs) may induce strong underwater currents and cause a severe threat to offshore drilling platforms, little…”
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