Results 11 to 20 of about 13,099,362 (290)

Criteria of quality and efficiency of water supply systems functioning [PDF]

E3S Web of Conferences, 2023
The system of main criteria of quality and efficiency characterizing the operation of water supply systems (WSS) on the time interval [0,T] is considered.
Dyadun Sergey
doaj   +1 more source

Ecological Risk Assessment of Phthalate Esters (DBP and DEHP) in Surface Water of China

Frontiers in Environmental Science, 2021
As a new type of pollutant, phthalate esters (PAEs) are common organic compounds in industrial production and daily life, which are widely detected in surface water environment.
Fuhong Sun, Yanru Tao, Di Shi, Jiwei Yang, Huixian Li, Yuan Wei, Hailei Su   +6 more
doaj   +1 more source

The Need for Water Quality Criteria for Frogs [PDF]

Environmental Health Perspectives, 1995
Amphibians are considered reliable indicators of environmental quality. In the western United States, a general decline of frog populations parallels an apparent worldwide decline. The factors thought to be contributing to declines in frog populations include habitat loss, introduction of exotic species, overexploitation, disease, climate change, and ...
R, Boyer, C E, Grue
openaire   +2 more sources

Acute Toxicity Assessment and Prediction Models of Four Heavy Metals

Toxics, 2023
Water quality criteria (WQC) are developed to protect aquatic organisms. Toxicity data of local fish are essential to improve the applicability of WQC derivatives.
Xin Zheng, Chao Wei, Juntao Fan, Xinyu Liu, Yin Hou, Jianan Ling, Jian Wei, Peiyuan Liu   +7 more
doaj   +1 more source

Cloud-Based Framework for Precision Agriculture: Optimizing Scarce Water Resources in Arid Environments amid Uncertainties

Agronomy, 2023
In arid agriculture, the effective allocation of scarce water resources and the assessment of irrigation shortage risks are critical water management practices.
Fan Zhang, Peixi Tang, Tingting Zhou, Jiakai Liu, Feilong Li, Baoying Shan   +5 more
doaj   +1 more source

Source apportionment of water pollutants in Poyang Lake Basin in China using absolute principal component score–multiple linear regression model combined with land-use parameters

Frontiers in Environmental Science, 2022
Source apportionment of surface water is essential for effective pollution control and sustainable water management. Physical mechanism models usually need so much data and parameters for calibration that their application for complex hydrologic ...
Xikang Hou, Xikang Hou, Wei Gao, Meng Zhang, Rui Xia, Rui Xia, Yuan Zhang, Kai Zhang, Kai Zhang, Xiao Wang, Xiao Wang, Kai Yang, Kai Yang, Xiaofei Chen, Xiaofei Chen, Yu Deng, Yu Deng   +16 more
doaj   +1 more source

QUADICA: A large-sample data set of water quality, discharge and catchment attributes for Germany [PDF]

, 2022
Environmental data are critical for understanding and managing ecosystems, including mitigation of degraded water quality. Therefore, we provide the first large-sample water quality data set of riverine water quality combined with water quantity ...
Nguyen, Tam, Lutz, Stefanie R., Water Quality Management, Büttner, Olaf, Musolff, Andreas, Kumar, Rohini, Ebeling, Pia, Weber, Michael, Attinger, Sabine, Sarrazin, Fanny, Environmental Sciences   +10 more
core   +2 more sources

QUADICA: Water quality, discharge and catchment attributes for large-sample studies in Germany [PDF]

, 2022
Environmental data are the key to define and address water quality and quantity challenges at catchment scale. Here, we present the first large-sample water quality data set for 1386 German catchments covering a large range of hydroclimatic, topographic,
Nguyen, Tam, Lutz, Stefanie R., Water Quality Management, Büttner, Olaf, Musolff, Andreas, Kumar, Rohini, Ebeling, Pia, Weber, Michael, Attinger, Sabine, Sarrazin, Fanny, Environmental Sciences   +10 more
core   +2 more sources

WATER QUALITY INDICES IN MÉXICO AND COLOMBIA. EVOLUTION, CRITERIA AND CHALLENGES

Ingeniería Investigación y Desarrollo, 2022
The Water Quality Index (WQI) is a simple and easy-to-understand tool for analyzing and reporting quality trends. Water quality is not static and depends on multiple factors, in this sense; globally various indices have been developed based on local ...
Ana Patricia Gaytán-Alarcón, María del Socorro González-Elizondo, Inés Vergara Gómez, Mercedes Díaz Lagos, María Teresa Alarcón Herrera   +4 more
doaj   +1 more source

Setting water quality criteria for agricultural water reuse purposes

Journal of Water Reuse and Desalination, 2017
The use of reclaimed water for agricultural irrigation is practiced worldwide and will increase in the future. The definition of water quality limits is a useful instrument for the assessment of water quality regarding its suitability for irrigation ...
K. Müller, P. Cornel
doaj   +1 more source