Academic literature on the topic 'Pearl River'

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Journal articles on the topic "Pearl River"

1

Hill, Jeanne Foster. "The Pearl River." Hudson Review 38, no. 2 (1985): 271. http://dx.doi.org/10.2307/3851017.

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2

Lu, X. X., S. R. Zhang, S. P. Xie, and P. K. Ma. "Rapid channel incision of the lower Pearl River (China) since the 1990s as a consequence of sediment depletion." Hydrology and Earth System Sciences 11, no. 6 (2007): 1897–906. http://dx.doi.org/10.5194/hess-11-1897-2007.

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Abstract. This paper reported a dramatic channel incision (>10 m in the deepest cut) during the past 10 y or so in the lower Pearl River, the second largest river in terms of water discharge in China. The channel incision had caused changes both in the channel geometry as well as in the river hydraulics. Also, the water exchange between the two major tributaries of the Pearl River, the Xijiang and Beijiang, had been significantly changed due to the channel incision. The rapid channel incision was principally the result of extensive sand mining in the lower Pearl River and the delta region due to the booming economy in the Pearl Delta region. Slight increase of water discharge and significant decrease of sediment load since the early 1990s in both the Xijiang and Beijiang also likely contributed to the observed dramatic river bed downcutting to some extent. This has important implications for river management, as the large Chinese rivers have seen a dramatic depletion of sediment fluxes due to the combined effects of declining rainfall, dam constructions, water diversion, reforestation and afforestation, and sediment mining over the recent decades.
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3

Lu, X. X., S. R. Zhang, S. P. Xie, and P. K. Ma. "Rapid channel incision of the lower Pearl River (China) since the 1990s." Hydrology and Earth System Sciences Discussions 4, no. 4 (2007): 2205–27. http://dx.doi.org/10.5194/hessd-4-2205-2007.

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Abstract. This paper reported a dramatic channel incision (>10 m in the deepest cut) during the past 10 years or so in the lower Pearl River, the second largest river in terms of water discharge in China. The channel incision had caused changes both in the channel geometry as well as in the river hydraulics. Also, the water exchange between the two major tributaries of the Pearl River, the Xijiang and Beijing, had been significantly changed due to the channel incision. The rapid channel incision was principally the result of extensive sand mining in the lower Pearl River and the delta region due to the booming economy in the Pearl Delta region. Slight increase of water discharge and significant decrease of sediment load since the early 1990s in both the Xijiang and Beijiang also likely contributed to the observed dramatic river bed donwcutting to some extent. This has important implications for river management, as the large Chinese rivers have seen a dramatic depletion of sediment fluxes due to the combined effects of declining rainfall, dam constructions, water diversion, reforestation and afforestation, and sediment mining over the recent decades.
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4

He, Jie, and Wen Jie Xin. "Hydrodynamic Impact on Pearl River Estuary from HZM Bridge." Applied Mechanics and Materials 488-489 (January 2014): 475–78. http://dx.doi.org/10.4028/www.scientific.net/amm.488-489.475.

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The HZM(Hongkong-Zhuhai-Macao) bridge connects Hongkong, Zhuhai and Macao district, and it strctchs across the Pearl River estuary. A lot of piers and three large artifical islands would have some impact on the hydrodynamic environment in the Pear River estuary. In this paper, a 2D tidal current numerical model is introduced to simulate the hydrodynamic impact from the HZM brdige. The simulated results show that the Hydrodynamic influence is concentrated on the 5.0 km range from downstream to upstream nearby the navigation zone and the 1.0 km range of bridge site in not-navigation zone, and the tidal range reduction is limited 0.03m and the tidal prism reduction is not more than 1% in the Lingding Sea after the HZM bridge constructed. Therefore, the HZM bridge has little influence on the distribution of hydrodynamic environment in the Pearl River estuary.
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5

Gao, Feng, Yunpeng Wang, Xinyi Hu, Chao Xu, and Ned Horning. "Spatiotemporal variations of total suspended matter (TSM) in the Pearl River estuary using MERIS full-resolution (FR) level-2 TSM product." Marine and Freshwater Research 70, no. 8 (2019): 1065. http://dx.doi.org/10.1071/mf18111.

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In this study, we first use self-organising map (SOM) and medium-resolution imaging spectrometer (MERIS) full-resolution (FR) level-2 total suspended matter (TSM) product to identify spatial-distribution patterns of TSM concentration in the Pearl River estuary. Second, the spatial and temporal variation of TSM concentration in the Pearl River estuary was investigated using 9-year (2003–2011) MERIS FR level-2 TSM products. The spatial-distribution patterns of TSM concentration identified by SOM in the Pearl River estuary showed that there are high values in west and north and low values in east and south. On the basis of the analysis of the sample points randomly extracted from the Pearl River estuary, the results showed that the spatial variation of TSM in eight gates varied greatly, and the Lingdingyang Bay from Humen to offshore waters (i.e. Xitan, Zhongtan and Dongtan) presents a decreasing trend. Moreover, extreme climate events (e.g. EI Niño and La Niña) may have a great effect on spatial and temporal variation of TSM concentration in the Pearl River estuary. These results could provide a new insight for a better understanding of the dynamics of TSM concentration in the Pearl River estuary and the effect of soil- and water-conservation measures in the upstream of Pearl River.
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6

Williams, Michael. "Hong Kong and the Pearl River Delta Qiaoxiang." Modern Asian Studies 38, no. 2 (2004): 257–82. http://dx.doi.org/10.1017/s0026749x04001076.

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In the history of links between people from the Pearl River Delta with the countries of South-East Asia and the Pacific, the role played by Hong Kong cannot be ignored. It is the purpose here to examine the role and contribution of Hong Kong to these Pearl River Delta links over the period 1842 to 1942. Such an examination, it is hoped, will also allow the impact of Pearl River Delta links on Hong Kong to be investigated. Much of the material presented by this paper is not new, rather the aim is to view Hong Kong from the perspective of the Pearl River Delta qiaoxiang. A perspective, it is suggested, that will enable aspects of Hong Kong's history and its contribution to the history of the Pearl River Delta counties and their overseas links to be seen in a new way.
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7

Wang, Yingliang, Chengzao Huang, Mingyuan Wu, and Yuncheng Feng. "Huangpu Pearl River Bridge, China." Structural Engineering International 22, no. 3 (2012): 380–84. http://dx.doi.org/10.2749/101686612x13363869853536.

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8

Zhang, Qiang, Xihui Gu, Vijay P. Singh, Peijun Shi, and Peng Sun. "More frequent flooding? Changes in flood frequency in the Pearl River basin, China, since 1951 and over the past 1000 years." Hydrology and Earth System Sciences 22, no. 5 (2018): 2637–53. http://dx.doi.org/10.5194/hess-22-2637-2018.

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Abstract. Flood risks across the Pearl River basin, China, were evaluated using a peak flood flow dataset covering a period of 1951–2014 from 78 stations and historical flood records of the past 1000 years. The generalized extreme value (GEV) model and the kernel estimation method were used to evaluate frequencies and risks of hazardous flood events. Results indicated that (1) no abrupt changes or significant trends could be detected in peak flood flow series at most of the stations, and only 16 out of 78 stations exhibited significant peak flood flow changes with change points around 1990. Peak flood flow in the West River basin increased and significant increasing trends were identified during 1981–2010; decreasing peak flood flow was found in coastal regions and significant trends were observed during 1951–2014 and 1966–2014. (2) The largest three flood events were found to cluster in both space and time. Generally, basin-scale flood hazards can be expected in the West and North River basins. (3) The occurrence rate of floods increased in the middle Pearl River basin but decreased in the lower Pearl River basin. However, hazardous flood events were observed in the middle and lower Pearl River basin, and this is particularly true for the past 100 years. However, precipitation extremes were subject to moderate variations and human activities, such as building of levees, channelization of river systems, and rapid urbanization; these were the factors behind the amplification of floods in the middle and lower Pearl River basin, posing serious challenges for developing measures of mitigation of flood hazards in the lower Pearl River basin, particularly the Pearl River Delta (PRD) region.
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9

Huang, Liang, Haowei Ti, Leigang Pei, and Ding Ma. "Research on the Problems and Development of Small and Medium Enterprises in the Pearl River Delta." E3S Web of Conferences 218 (2020): 04006. http://dx.doi.org/10.1051/e3sconf/202021804006.

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Since the reform and opening up, the economy of the Pearl River Delta has achieved rapid development and remarkable results. Small and medium-sized enterprises in the region have also achieved rapid development in terms of quantity and quality, and have become an important part of the region. However, with economic globalization, because of continuous changes in the external environment, and its own industrial upgrading and structural adjustment, even if small and medium-sized enterprises in the Pearl River Delta region have advantages compared with other regions in China. However, there are still problems in the development process. The article mainly analyzes the financing difficulties of SMEs in the Pearl River Delta region and the brain drain in recent years, and gives corresponding countermeasures. Since small and medium-sized enterprises occupy an important position in the economy of the Pearl River Delta region, they can not only promote technological innovation and boost domestic demand for production, but also drive the employment rate to rise. Therefore, the development of small and medium-sized enterprises in the region has played a positive role in the economic progress of the Pearl River Delta region, and the place has also promoted economic development.
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10

Zhao, Run-Hua, Jie Cheng, and Nai-Ru Xu. "The Earnings Management Strategy of List Companies in Pearl River Delta Region of China Based on Complex Network Theory." Complexity 2020 (December 10, 2020): 1–5. http://dx.doi.org/10.1155/2020/6650193.

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This paper aims to detect the methods of earnings management in Pearl River Delta region of China. The data were selected based on the list companies of Pearl River Delta region from 2008 to 2019 and the balanced panel analysis was adopted to pursue the results. After the random effect analysis, this study reaches the conclusion that downward earnings is through total assets, the difference between sales and receivables, fixed assets, and sales and upward earnings is mainly through the changes of sales by the companies in Pearl River Delta region of China.
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