Water quality

Study on the actual situation of domestic water of 24 military units in the Northern region in 2022. Subjects and methods: A descriptive cross-sectional study with analysis and evaluation of seven basic physical, chemical and microbiological indicators on 113 samples of domestic water collected at 24 military units stationed in the Northern Region from July to October, 2022.

4p vipanly 28-10-2024 1 0   Download

Currently, along with the economic development, the urbanization process has been taking place strongly, putting great pressure on the water supply for urban areas and industrial zones, leading to conflicts, overlapping and obstacles to the water supply management.

4p vibecca 01-10-2024 2 1   Download

The article analyzes the cause, proposes the solutions for pavement foundation treatment and presents an initial application to Noi Bai International Airport. The findings of this study could be critical and significance basis for both academic and practical applications to maintain the service quality of airport construction infrastructure in Vietnam.

13p vibecca 01-10-2024 1 1   Download

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 vibecca 01-10-2024 2 1   Download

The study presents the evaluation results of typical PAEs (6 PAE indicators) of the PAE family in water samples from Ho Tay Lake, Hanoi. The quality of lake water in general and in Hanoi in particular is influenced by many factors. The sources of treatment in lake water such as restaurant businesses and residential areas nearby, can degrade lake water quality.

10p vibecca 01-10-2024 3 1   Download

This paper presents the results of water quality assessment of clam farming areas for 3 monitoring points in Tien Hai district, Thai Binh province. From the results of the assessment, this study suggests management measures, including improving water quality index used to zoning water quality, thus better managing clam areas; and technical measure which improves farming techniques to protect the aquatic environment of farmers.

11p vibecca 01-10-2024 3 1   Download

Can Gio Mangrove Biosphere Reserve provide many ecosystem services, such as provisioning, regulating, cultural, and supporting services for the urban areas as well as wildlife of suburban areas in Ho Chi Minh City and the nearby ecosystems. In this study, the Normalized Difference Vegetation Index - NDVI at 10 m resolution from 2015 to 2023 of Can Gio was obtained from the Copernicus Sentinel-2 database using Google Earth Engine - GEE.

14p vibecca 01-10-2024 1 0   Download

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 vibecca 01-10-2024 0 0   Download

The current paper aims to apply the Internet of Things technology (IoT) in designing an automatic system for measuring and monitoring important parameters of aquaculture ponds such as temperature, pH, and dissolved oxygen (DO).

12p vibecca 01-10-2024 4 2   Download

The trophic levels in urban lakes are typically based on the forms of nutrition and phytoplankton communities in the lakes. In this study, comparisons between eutrophication indices and the water quality index (VN-WQI) were used to classify the water quality of 20 lakes in Hanoi, Vietnam.

12p vibecca 01-10-2024 3 1   Download

The purposes of this paper are to identify strategies for improving water quality management in households practicing aquaculture and to understand the role gender plays in water management in the Mekong Delta.

16p vibecca 01-10-2024 4 1   Download

The objective of this study was to evaluate the effects of land preparation methods and iron-coated (Fe-coated) rice seeds on the growth, yield, and Fe uptake of rice in alluvial soils in the Mekong Delta region.

10p vibecca 01-10-2024 2 1   Download

Probiotics are vital in aquaculture for maintaining water quality, boosting aquatic species' health, and enhancing growth rates. This study investigated the effects of probiotics, namely salt-tolerant Bacillus velezensis MT50 and Bacillus amyloliquefaciens MT51, on the water quality and performance of whiteleg shrimp (Litopenaeus vannamei PL) cultured in tanks.

11p vibecca 01-10-2024 1 1   Download

In this research, a combination of water quality assessment by statistical analysis with historical monitoring data to analyze and propose a sampling frequency. The objectives of this study included: (1) Assessment of seawater quality of coastal zone in the Northeast region of Quang Ninh province from 2016–2019; (2) Calculate and adjust sampling frequency for monitoring points.

9p viyoko 01-10-2024 0 0   Download

Impervious surface is an artificial surface that prevents water from seeping into the ground. Impervious surface is not only an indicator of the level of urbanization but also a key indicator of the quality of the urban environment. This article presents the results of an impervious surface classification in Ho Chi Minh City area from multi-temporal Landsat image data.

13p viyoko 01-10-2024 1 0   Download

In this paper, we study an integration of temperature and pH sensors into the system to collect and monitor water quality parameters in aquaculture using a combination of edge computing (EC), Artificial Intelligence (AI) and Internet-of-Things (IoT). We develop and deploy a model using edge computing and a Long-Short Term Memory (LSTM) algorithm to forecast the aquaculture water quality at the network's edge.

6p vikwong 29-09-2024 1 0   Download

This study focuses on the inner city first where a citywide network of water surface and city parks has already existed yet continues to decrease in both quantity and quality under the huge impact of today’s rapid urbanisation in the vigorous development of the market economy.

8p viyoko 24-09-2024 0 0   Download

This study reviewed the latest information on the presence of PMMoV and human enteric viruses in water environments and in wastewater (water) treatment systems to evaluate the suitability of PMMoV as an indicator virus for water safety and quality.

13p vifaye 20-09-2024 3 1   Download

Hệ thống thủy lợi Cái Lớn – Cái Bé nằm phía Tây đồng bằng sông Cửu Long (ĐBSCL) đã được xây dựng, hoàn thành và đi vào hoạt động, đây được xem là một trong những cống lớn nhất Việt Nam. Bài viết trình bày kết quả đánh giá thực trạng chất lượng nước trong hệ thống công trình thủy lợi Cái Lớn-Cái Bé, thông qua việc quan trắc và phân tích các chỉ tiêu hóa lý, vi sinh và sử dụng chỉ số WQI (Water Quality Index).

10p viellison 28-03-2024 11 2   Download

The research reported herein has demonstrated that pervious pavements can be introduced as a sustainable stormwater management initiative and as a key Water Sensitive Urban Design feature to deliver numerous benefits to the environment. The outcomes from the study will be useful in designing environmentally friendly car parks, pedestrian paths, light traffic drive ways, sporting grounds and public areas in the future.

244p runthenight05 01-03-2023 10 3   Download