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Dun Wang, Lizhong Zhang, Lixin Pei, Xiwen Li, Yamin Yang, Zeheng Chen and Linde Liang
In order to ensure a sustainable water resource for residents of the lower reaches of the Changhua River on Hainan Island, it is crucial to understand the chemical characteristics and formation mechanisms of their shallow groundwater. To achieve this, we...
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Ruinan Liu, Xiwen Li, Xiujiu Yang and Ming Zhang
Hainan, a well-known center of tropical agricultural production in south China, has received little attention regarding groundwater fluoride contamination. This study investigates the occurrence of fluoride in the western coastal area of Hainan Island an...
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Jianjun Liang, Xiao-Ming Li and Kaiguo Fan
The distribution and source sites of nonlinear internal waves (NLIWs) northeast of Hainan Island were investigated using satellite observations and a wavefront propagation model. Satellite observations show two types of NLIWs (here referred to as type-S ...
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Jisheng Xia, Guize Luan, Fei Zhao, Zhiyan Peng, Lu Song, Shucheng Tan and Zhifang Zhao
A coastline is the boundary zone between land and sea, an active zone of human social production activities and an area where the ecology is fragile and easy to change. The traditional method to analyze temporal and spatial changes in the coastline is to...
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Eduard A. Titlyanov, Tamara V. Titlyanova, Anna V. Scriptsova, Yuxiao Ren, Xiubao Li and Hui Huang
Intensive algal sampling conducted in 2016?2019 in the Xiaodong Hai locality (Hainan Island, South China Sea), yielded a total of 198 benthic macroalgal species and their taxonomic forms (54% reds, 20% browns and 26% greens) and 20 species of Cyanobacter...
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Eduard A. Titlyanov, Tamara V. Titlyanova, Hui Huang, Anna V. Scriptsova, Huili Xu and Xiubao Li
At the end of the rainy season in 2016 and at the end of the dry season in 2017, we conducted a floristic study of marine macrophytic algae in the intertidal and subtidal zones in moderately and heavily polluted areas at Luhuitou reef, Sanya Bay, Hainan ...
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Qiuying Han, Wenxue Che, Hui Zhao, Jiahui Ye, Wenxuan Zeng, Yufeng Luo, Xinzhu Bai, Muqiu Zhao and Yunfeng Shi
Eutrophication due to aquaculture can cause the decline of seagrasses and impact their carbon storage capacity. This study explored the effects of aquaculture on the sediment organic carbon (SOC) in Thalassia testudinum seagrass beds using enzyme activit...
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Wenjie Chen, Chenghao Chen, Longbing Li, Litao Xing, Guoru Huang and Chuanhao Wu
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Wenjie Chen, Chenghao Chen, Longbing Li, Litao Xing, Guoru Huang and Chuanhao Wu
To analyze extreme precipitation patterns in Hainan Island, hourly precipitation datasets from 18 stations, for the period from 1967 to 2012, were investigated. Two precipitation concentration indices (PCI) and 11 extreme precipitation indices (EPI) were...
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Rui Yuan, Ruiyang Xu, Hezhenjia Zhang, Yutao Hua, Hongsheng Zhang, Xiaojing Zhong and Shenliang Chen
This study presents an in-depth analysis of the dynamic beach landscapes of Hainan Island, which is located at the southernmost tip of China. Home to over a hundred natural and predominantly sandy beaches, Hainan Island confronts significant challenges p...
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Yunshuai Li, Xinyuan Shao, Zhixiang Wu, Zhongyi Sun, Mingzhe Li, Lingxiu Jiang, Yuanhong Xian and Peng Wang
Land surface temperature plays an important role in the water cycle and surface energy balance. Using data collected by a vorticity covariance tower from 2010 to 2022, the relative threshold method and TRM method were employed to study the land?atmospher...
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Wufeng Cheng, Shenliang Chen, Jun Zhu, Xiaojing Zhong, Jin Hu and Junli Guo
This paper used dynamic image analysis (DIA) to analyze the grain size and shape data of beach surface sediments in Bao?ding Bay, eastern Hainan Island, China, and explored the effects of sediment transport modes and beach morphology on the grain size?sh...
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Manli Zheng, Lingling Xie, Quanan Zheng, Mingming Li, Fajin Chen and Junyi Li
Using cruise observations before and after the typhoon Chebi in August 2013 and those without the typhoon in July 2012, this study investigates variations in current structure, nutrient distribution, and transports disturbed by a typhoon in a typical coa...
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Mengyang An, Yanwei Song, Junyi Jiang, Guowei Fu, Yang Wang and Xiaoming Wan
Surface water quality assessment is an important component of environmental protection and sustainable development. In this study, 24 sampling sites were arranged in the Wanquan River area of Hainan Island, China, in 2021, and nine water quality indicato...
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Xiang Lai, Jonathon S. Wright, Wenyu Huang, Jie Liang, Guanghui Lin and Shanxian Zhu
Coastal mangroves are increasingly recognized as valuable natural resources and important sites of water and carbon exchange. In this study, we examine atmospheric water cycling in the boundary layer above a coastal mangrove forest in southern China. We ...
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Weizeng Shao, Yexin Sheng, Huan Li, Jian Shi, Qiyan Ji, Wei Tan and Juncheng Zuo
The Beibu Gulf is an important offshore region in the South China Sea for the fishing industry and other human activities. In 2017, typhoons Doksuri and Khanun passed the Beibu Gulf in two paths, at maximum wind speeds of up to 50 m/s. Typhoon Doksuri pa...
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