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Surface water quality
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Ebook "Experiences from surface water quality monitoring: The EU water framework directive implementation in the Catalan river basin district (Part I)" details the experiences gained by the Catalan Water Agency (ACA) in a Mediterranean watershed – the Catalan River Basin District – following the launch of the EU Water Framework Directive (WFD) in the year 2000. Experts in rivers, reservoirs, lakes, wetlands and estuaries present 13 chapters defining tools for water-status assessment specially adapted to Mediterranean conditions.
337p
giangdongdinh
28-05-2024
2
0
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This has increased the risk of water pollution and reduced the quality of surface water, resulting in a shortage of clean water for the daily lives of people in the province. The article has studied the application of the MIKE11-ECOLab model and correlation analysis method to assess the current situation of the wastewater receiving capacity of the central river system in Nam Dinh province. At the same time, it also analyzes and predicts the wastewater receiving capacity of the central river system in the province according to the trend of socio-economic development.
9p
dianmotminh02
03-05-2024
3
1
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In porous aquifers, the central-to-sea cross-section highlights meteoric water dominance from rain and surface sources. Groundwater undergoes exchange-absorption with silicate minerals, enriching Ca2+ and Mg2+ (reducing Na+). Seaward, dissolution and leaching of salts in marine-origin sediments (mQ2, mQ13, mQ12-3, and mN22) prevail. The results of this paper provide necessary information for the effective management of groundwater quality.
12p
dianmotminh02
03-05-2024
2
1
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This study applied principal components analysis (PCA) and cluster analysis (CA) to assess water quality and recommend sites and water parameters for water quality monitoring at Bung Binh Thien reservoir, An Giang province, Vietnam based on 11 water samples collected in the dry season.
10p
viohoyo
25-04-2024
3
2
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This study aims to investigate the characteristics of the salinization phenomenon in water systems and its controlling factors based on hydrogeochemical analysis, seawater-freshwater mixing model and End Members Mixing Analysis. The results revealed that seawater intrusion negatively affects strongly on surface water quality with different magnitudes, depending on seasonal variation and tidal regime.
11p
vijaychest
24-04-2024
2
2
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In Vietnam, for a thousand years, interment has long been the main funeral practices, as it is the whole nation’s culture and custom. This study was conducted with the main goal is to assess water quality and Nitrat and Nitrit residual in Ipomoea aquatic from cemetery in Thanh Tri, Hanoi, Vietnam.
13p
vilarry
01-04-2024
6
1
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Ebook "Geochemistry of organic matter in river-sea systems" is important for the following reasons: information about organic matter transport by rivers is required for estimating total run-off of dissolved and suspended substances from the earth's surface into seas and oceans. They give a possibility to judge the quantity and the quality of organic matter in various climatic zones of the Earth, sources of organic matter, peculiarities of its transformation and migration in various sections of the rivers, from the head to the mouth.
200p
nhanphanguyet
28-01-2024
2
2
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Poor surface water quality, air pollution, solid waste collection, domestic water supply, and many more environmental issues are plaguing urban areas due to policies encouraging fast urbanization but failing to synchronize infrastructure. This has heightened the importance of urban environmental management.
8p
vimichaelfaraday
28-12-2023
7
3
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People living in flood-prone areas are vulnerable to damages caused by annual floods, including changes in water quality. Seasonal flooding alters water quality in many aspects by introducing silt, nutrients, organic compounds, and sometimes bacteria. In this study, 50 household interviews in Quang Thanh commune - Quang Dien district, the floodprone area in Thua Thien Hue province, were conducted to identify the flood characteristics.
15p
visystrom
22-11-2023
2
2
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This study was conducted to analyze water quality in a coastal province of Vietnam. Multivariate statistical methods, namely cluster analysis (CA) and principal component analysis (PCA) were utilized.
12p
viengels
25-08-2023
7
2
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The study was conducted to evaluate 5 main river basins: Long Song River, Luy River, Cai Phan Thiet River, Ca Ty River and Phan River in Binh Thuan province has a great impact on the province’s socio–economic development.
16p
viironman
02-06-2023
6
3
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In addition to the economic successes, regional water environment has been and is being affected by increasing agricultural, industrial and daily–life wastes. Water pollution is a global problem, not just one country, or any one territory. To take specific measures to protect water resources, it is essential to assess the current state of water quality.
22p
viironman
02-06-2023
4
3
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Gia, Re, and Da Do Rivers are the main surface water resources providing fresh water to the habitants of Hai Phong City. They are at risk of water pollution due to the release of multiple waste streams along the rivers. The main objective of this study is to establish water quality models for Gia, Re, and Da Do Rivers using the MIKE 11 Ecolab model.
14p
viironman
02-06-2023
6
3
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The non-point source pollution is caused by precipitation, surface runoff, drainage, hydrologic modification and so on. In this study, we examine the change of water quality, which is caused by non-point source pollution, and discharge under the condition of climate change scenario (RCP 4.5 and RCP 8.5).
4p
vicaptainmarvel
21-04-2023
4
3
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This study aims to assess surface water quality in the rural areas of Hau Giang province using multivariate statistical approaches, including Pearson’s correlation, cluster analysis (CA), and principal component analysis (PCA). The study elaborates on the spatial variation of surface water quality, which helps design surface water quality monitoring systems in the rural areas of Hau Giang province and provides a more accurate overview of the state of surface water quality.
13p
viblackwidow
07-04-2023
5
2
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The objective of this paper is to apply Pham Ngoc Ho’s method for aggregate water quality assessment of surface water and wastewater at different monitoring points around Hanoi, Vietnam. We measured concentration of 10 parameters in Hoan Kiem lake, West lake, Giang Vo lake and 25 different monitoring points at rivers in Hanoi for surface water quality evaluation, and 7 parameters at 45 monitoring points in industrial zones/clusters in Hanoi for wastewater quality evaluation.
7p
viargus
03-03-2023
4
1
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The study was conducted to evaluate surface water quality, location, frequency and monitoring indicators of surface water of Tien River, Tien Giang province in 2019. CA results revealed that from 7 current monitoring locations can be reduced to 4 locations and 4 monitoring periods into 2 - 3 monitoring periods still ensuring the representativeness of water quality on Tien River in Tien Giang province.
13p
viwmotors
13-12-2022
9
2
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In addition, national technical regulation on surface water quality is also very useful in evaluating speci¿c problemrelatingto the water quality for a particular water body. This study aims to assess the quality of surface water environment in Phung Hiep district, Hau Giang province for domestic water supply using both national technical regulation on surface water quality and water quality index.
12p
viwmotors
13-12-2022
11
2
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In this study, the effectiveness of high alite cement (HAC) in improving cracking and the quality of covercrete of slag concrete is investigated. The cracking resistance ability is examined via the tensile strength of concrete, while the surface water absorption test is applied to study the quality of covercrete. The results reveal the capacity of HAC in improving the tensile strength of slag concrete.
4p
vijaguar
16-11-2022
10
1
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Surface water from rivers plays a significant role in socio-economic development in Ca Mau province. It supplies freshwater for agriculture and aquaculture. Faced with the pressures of development, surface water quality in Ca Mau province has been being at stake. The aim of this paper was to assess the water quality status and wastewater receiving capacity of the main rivers of Ca Mau province.
14p
viporsche
03-11-2022
12
3
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