Results 71 to 80 of about 7,775 (218)

Comparative Study of Conventional Groundwater Quality Results with WQI Technique: A Case Study of Surjani Town, Karachi, Pakistan [PDF]

, 2020
Present study is aimed to calculate the water quality index (WQI) of Surjani Town by using weighted arithmetic index method to assess its suitability for drinking purpose.
Rukhsar, Rukhsar, Naz, Bisma, Khan, Adnan, Khan, Aasma   +3 more
core   +1 more source

Size‐based regulation and water quality: Evidence from the Iowa hog industry

American Journal of Agricultural Economics, Volume 108, Issue 3, Page 829-855, May 2026.
Abstract The growing prevalence of animal feeding operations (AFOs) in the United States raises concerns among the public and regulators about their impact on local environmental quality. By linking historical regulatory records of AFOs in Iowa to downstream surface water pollution monitors, this paper studies the effects of the 2003 Clean Water Act ...
Chen‐Ti Chen, Gabriel E. Lade, John M. Crespi, David A. Keiser   +3 more
wiley   +1 more source

Assessment of Groundwater Quality for Drinking Purposes in Herat Province, Afghanistan: A Water Quality Index Approach

Journal of Studies in Civil Engineering
Understanding groundwater quality is essential for ensuring access to safe drinking water. This study investigates the suitability of groundwater for drinking purposes, employing the Water Quality Index (WQI) and analyzing various physicochemical ...
Kaywan Othman Ahmed, Mohammad Hussain Malaekah, Jamil Bahrami, Raoof Mostafazadeh   +3 more
doaj   +1 more source

A Comparative Study on the Irrigation Suitability of Kerala's Rivers Using Fuzzy AHP and Conventional Methods

Irrigation and Drainage, Volume 75, Issue 2, Page 815-839, April 2026.
ABSTRACT Food security in Kerala depends on effective irrigation, but poor‐quality irrigation water poses threats such as salinity, sodicity and reduced soil productivity. Although past assessments have been localised, this study presents the first comprehensive, statewide evaluation of irrigation water suitability across 44 major rivers in Kerala.
Raji Karuna, S. K. Pramada, Venkataramana Sridhar   +2 more
wiley   +1 more source

Qualitative Monitoring of Saveh Plain's Groundwater Based on Water Quality Index (WQI) [PDF]

, 2014
In this study, the quality of groundwater resources of Saveh plain was investigated based on water quality index (WQI). WQI index is based on use of magnesium (Mg), sodium (Na), potassium (K), sulfate (SO4), chloride (Cl), Total solids (TDS), bicarbonate
Reza Nemati, Amir, Nemati, Behrooz, Reza Pirestani, Mohammad   +2 more
core   +1 more source

Integrating multivariate statistical analysis and canadian water quality index to assess seasonal variation in Duhok Dam, Iraq

EQA
The escalating demand for freshwater resources in arid and semi-arid regions necessitates comprehensive assessments of water quality to ensure sustainable use for domestic and agricultural purposes.
Nihal S. Hanna, Shelan M. Khudhur, Muzhda Q. Qader, Yahya A. Shekha   +3 more
doaj   +1 more source

Severity Prediction of Traumatic Cervical Spinal Cord Injury With an AI Model Based on MRI Radiomics

JOR SPINE, Volume 9, Issue 1, March 2026.
(1) Manually delineation of the lesion area's region of interest (ROI) layer by layer to form three‐dimensional volume of interest (VOI). (2) Pretraining and transfer learning for target area segmentation of T2WI images. (3) Radiomic features selection for AIS prediction models. (4) Construction of ensemble model for AIS grade prediction.
Chunshuai Wu, Chaochen Li, Guanhua Xu, Jiajia Chen, Liangliang Wang, Haiyan Gu, Jinlong Zhang, Hongxiang Hong, Chunyan Ji, Zhiming Cui   +9 more
wiley   +1 more source

Assessing the Effectiveness of CCME-WQI, NSF-WQI, OWQI, and Smith Index Water Quality Indices in Karst Areas

Jurnal Ilmu Lingkungan
Water quality assessment employs various methods, including water quality indices (WQI). This study compares several WQI methods to evaluate Sumurup River and Seropan Underground River in Gunungkidul Regency.
Almira Rahma Hinanto, Margaretha Widyastuti, Eko Haryono   +2 more
doaj   +1 more source

Growth Performance of Dormitator latifrons to a Water Quality Index Across Three Tropical Aquaculture Systems

Aquaculture Research, Volume 2026, Issue 1, 2026.
Understanding how integrated water quality relates to fish growth is essential for improving the sustainability of tropical aquaculture systems. This study evaluated the relationship between integrated water quality and growth performance of chame (Dormitator latifrons) cultured under commercial conditions in three tropical aquaculture systems ...
Carlos Ricardo Delgado-Villafuerte, Ana Gonzalez-Martinez, Kayna Marilyn Hidalgo-Zambrano, Cecilio Barba, Anton García   +4 more
wiley   +1 more source

Assessment of the quality of water resources for drinking, agriculture and industry in karstic aquifer of Roein Esfarayen basin of North khorasan province [PDF]

تحقیقات کاربردی علوم جغرافیایی, 2021
Groundwater resources are important part of the sweet water available to humans. The present study studies and evaluates the quality of water resources of karstic basin of Roein Esfarayen.
Mohammad Motamedi Rad, Leila Goli Mokhtari, Shahram Bahrami, Mohammad ali zanganeh asadi   +3 more
doaj