Results 71 to 80 of about 9,300 (268)

Source analysis of nitrate pollution in a typical tributary of the upper Yellow River using a combined approach of stable isotopes and DOM fluorescence characteristics

River, Volume 4, Issue 4, Page 566-578, November 2025.
Abstract Identifying the sources and characteristics of water pollution is essential for the protection and management of water environments. Nitrate (NO3−) is a key pollutant affecting water quality in the Qingshui River, a typical semi‐arid tributary in the upper Yellow River basin.
Bin Xu, Duo Zhang, Ziyang Wang, Jie Li, Zhiling Du, Longmian Wang, Qingqing Pang, Xiang Zhu, Lei Xie, Ran Tao, Huili Meng, Dongyan Pei, Fuquan Peng   +12 more
wiley   +1 more source

The impact of flood on water quality and benthic invertebrate in rivers at Gua Musang, Kelantan [PDF]

, 2016
The aim of this study wa s to have a better understanding about the impact of flood to the ecosystem such as types of pollution and water quality level of rivers in Kelantan.
Arman, Nor Zaiha, Salmiati, Salmiati, Sheikh Dawood, Shamsudin Mustafa   +2 more
core  

Rethinking Urban Spaces to Improve Nutrition Security Through Urban Agriculture

Earth's Future, Volume 13, Issue 10, October 2025.
Abstract The current food system damages the environment, increases social inequalities, and is vulnerable to climate shocks and supply chain disruptions. This, and the global urbanization trends, pose the question of how cities will ensure food security for their inhabitants in a sustainable way. Within urban contexts, the most marginalized groups are
Arianna Tolazzi, Nikolas Galli, Dirce Maria Lobo Marchioni, Maria Cristina Rulli   +3 more
wiley   +1 more source

Geochemical and Climatic Influences on Spatiotemporal Water Quality Changes in Drinking Water Source Lakes in Pakistan: Implications for Environmental and Public Health

GeoHealth, Volume 9, Issue 10, October 2025.
Abstract Climate change, rapid urbanization, and population growth are increasingly influencing the quality and quantity of surface water resources, especially in vulnerable reservoir systems. This study investigates the spatiotemporal changes in water features and quality of three key drinking water source lakes‐Rawal, Simly, and Khanpur (RSK ...
Toqeer Ahmed, Saif Ullah, Zulqarnain Satti, Zheng Siyue, Anwar Eziz, Alishir Kurban, Mumtaz Ahmed, Hifza Rasheed   +7 more
wiley   +1 more source

Dataset on water quality characteristics of a hill stream in Bhaderwah, Jammu and Kashmir

Data in Brief, 2019
The article summarises the data on water quality characteristics of Neeru stream analysed monthly for two years on a seasonal basis averaged to one year.
Ravinder Kumar, Anil Raina, Neeraj Sharma   +2 more
doaj   +1 more source

Quality Assessment of Groundwater Based on Geochemical Modelling and Water Quality Index (WQI)

Water, 2022
Potable groundwater contamination through arsenic (As) is a common environmental problem in many developing countries, including Pakistan, with significant human health risk reports. The current research was conducted in District Nankana Sahib, which is a major industrial site in Punjab, Pakistan.
null Arifullah, Huang Changsheng, Waseem Akram, Abdur Rashid, Zahid Ullah, Muddaser Shah, Abdulwahed Fahad Alrefaei, Mohamed Kamel, Lotfi Aleya, Mohamed M. Abdel-Daim   +9 more
openaire   +1 more source

Constructed wetlands with mining pond integration and paddy field geometry: A regional sewage treatment plant case study

River, Volume 4, Issue 3, Page 351-362, August 2025.
Abstract Discharge from sewage treatment plants can deteriorate river water quality due to improper management or insufficient levels of treatment. To address these challenges, constructed wetland systems (CWSs) have been widely used as a sustainable and effective solution for wastewater management.
Soo Wei Woo, Hui Weng Goh, Khee Ling Woon, Nor Ariza Azizan, Jiei Kobe, Haji Alias bin Mohamed, Chun Kiat Chang   +6 more
wiley   +1 more source

Water Quality Index Assessment Of Ground Water In Jakkur Sub Watershed Of Bangalore, Karnataka, India [PDF]

, 2013
The water quality index (WQI) is a single number that expresses the quality of water by integrating the water quality variables. The purpose is to provide a simple and concise method for expressing the water quality for different usage.
Inayathulla, M., Jai, M.Paul.
core  

Analysis of the Total Nitrogen Distribution Characteristics and Land‐Based Correlation in the Sea Areas Under the Jurisdiction of Weifang City in 2022

Geoscience Data Journal, Volume 12, Issue 3, July 2025.
To explore the distribution characteristics of total nitrogen in the Weifang Sea area and its correlation with land‐based rivers, the total nitrogen distribution in Weifang was analysed using the measured data in August 2022. The results show that during the flood season (August), the total nitrogen content in Weifang is excessive, and the water ...
Wenbo Qiu, Yilin Zhai, Ruiqi Zhu, Liqin Sun, Feng Li   +4 more
wiley   +1 more source

Assessment of the effect of drought and anthropogenic liquid pollution on the physicochemical quality of the waters of Oued Inaouene using the Water Quality Index (Taza, Morocco) [PDF]

E3S Web of Conferences
The Inaouene river, a tributary of the Oued Sebou, is subject to the effects of drought in the Mediterranean climate and pollution from raw wastewater. Assessment of water quality in this hydrosystem using the water quality index (WQI) calculated from 19
Sghiouer Fatima Ezzehra, Nahli Abdelmottalib, Bouka Hassan, Chlaida Mohamed   +3 more
doaj   +1 more source