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91.
Bassam Kattaa Walid Al-Fares Abdul Rahman Al Charideh 《Journal of environmental management》2010,91(5):1103-1110
Vulnerability assessment to delineate areas that are more susceptible to contamination from anthropogenic sources has become an important element for sensible resource management and landuse planning. This contribution aims at estimating aquifer vulnerability by applying the RISKE model in Banyas Catchment Area (BCA), Tartous Prefecture, west Syria. An additional objective is to demonstrate the combined use of the RISKE model and a geographical information system (GIS) as an effective method for groundwater pollution risk assessment. The RISKE model uses five environmental parameters (Rock of aquifer media, Infiltration, Soil media, Karst, and Epikarst) to characterize the hydro-geological setting and evaluate aquifer vulnerability. The elevated eastern and low western part of the study area was dominated by high vulnerability classes, while the middle part was characterized by moderate vulnerability classes. Based on the vulnerability analysis, it was found that 2% and 39% of BCA is under low and high vulnerability to groundwater contamination, respectively, while more than 52% and 5% of the area of BCA can be designated as an area of moderate and very high vulnerability to groundwater contamination, respectively. The GIS technique has provided an efficient environment for analyses and high capabilities of handling a large amount of spatial data. 相似文献
92.
93.
Aziz Hasan Neeta Pradip Thacker Jagdish Bassin 《Environmental monitoring and assessment》2010,168(1-4):489-497
Trihalomethane (THM) formation potential (TFP) is very useful test to assess the level of the formation of trihalomethanes in worst case scenario. Organics in water have the potential to generate harmful disinfection by-products (DBPs) such as THMs, as a result of their reaction with disinfectant chlorine used in drinking water. DBPs are increasingly recognized as cancerous agents. TFP of postchlorinated treated water were investigated at six water treatment plants (WTPs) in Delhi City (India). The present paper presents the current trends of TFP so that prevention and control measures can be initiated by the regulating agencies responsible for drinking water supply. Liquid–liquid extraction method, followed by qualitative and quantitative estimation by gas chromatograph equipped with electron capture detector, had been used for the determination of THMs in water samples collected at the outlet just before supplying to the consumers during 2000–2007. The TFP values from 2004 onward of all WTPs did not exceed the WHO guideline value of ≤1. 相似文献
94.
Abdul Hameed Bin Mohamed Mydin 《生态毒理学报》2001,(2):54-58
无论遵循哪种发展模式,城市的增长都会给能源的使用和管理施加巨大的压力.基于可持续性的城市发展需要使这些模式具有有效性,包括考虑它们已经产生的影响.有一点是可以说服人的,城市能源问题的解决办法(比如能源效率和减少使用化石燃料)需要基于适合可持续发展的经济和商业原则. 相似文献
95.
Spatio-temporal variations in water quality of Nullah Aik-tributary of the river Chenab, Pakistan 总被引:4,自引:0,他引:4
This study reports the spatio-temporal changes in water quality of Nullah Aik, tributary of the Chenab River, Pakistan. Stream
water samples were collected at seven sampling sites on seasonal basis from September 2004 to April 2006 and were analyzed
for 24 water quality parameters. Most significant parameters which contributed in spatio-temporal variations were assessed
by statistical techniques such as Hierarchical Agglomerative Cluster Analysis (HACA), Factor Analysis/Principal Components
Analysis (FA/PCA), and Discriminant Function Analysis (DFA). HACA identified three different classes of sites: Relatively
Unimpaired, Impaired and Less Impaired Regions on the basis of similarity among different physicochemical characteristics
and pollutant level between the sampling sites. DFA produced the best results for identification of main variables for temporal
and spatial analysis and separated eight parameters (DO, hardness, sulphides, K, Fe, Pb, Cr and Zn) that accounted 89.7% of
total variations of spatial analysis. Temporal analysis using DFA separated six parameters (E.C., TDS, salinity, hardness,
chlorides and Pb) that showed more than 84.6% of total temporal variation. FA/PCA identified six significant factors (sources)
which were responsible for major variations in water quality dataset of Nullah Aik. The results signify that parameters identified
by statistical analyses were responsible for water quality change and suggest the possibility of industrial, municipal and
agricultural runoff, parent rock material contamination. The results suggest dire need for proper management measures to restore
the water quality of this tributary for a healthy and promising aquatic ecosystem and also highlights its importance for objective
ecological policy and decision making process. 相似文献
96.
Akhter Faheem Jamali Abdul Rauf Abbasi Mahmood Nabi Mallah Mukhtiar Ali Rao Ahsan Atta Wahocho Shafeeque Ahmed Anees-ur-Rehman Hafiz Chandio Zubair Ahmed 《Environmental science and pollution research international》2023,30(5):11226-11245
Environmental Science and Pollution Research - The hydrophobicity of silica and composite aerogels has enabled them to acquire applications in a variety of fields. With remarkable structural,... 相似文献
97.
Saeed Muhammad Ahmad Aziz Boddula Rajender Inamuddin Haq Atta ul Azhar Aisha 《Environmental Chemistry Letters》2018,16(1):287-294
Environmental Chemistry Letters - Water pollution by the textile industry is a major issue. Therefore, there is a need for methods to remove organic dyes from industrial effluents. Various... 相似文献
98.
Rehman Abdul Ma Hengyun Ahmad Munir Ozturk Ilhan Chishti Muhammad Zubair 《Environmental science and pollution research international》2021,28(24):30702-30713
Environmental Science and Pollution Research - Carbon dioxide emission and climatic variation have a detrimental influence on the atmosphere as well as on agriculture production. The key aim of the... 相似文献
99.
Ouigmane Abdellah Boudouch Otmane Hasib Aziz Elkacmi Reda Aadraoui Mohamed Berkani Mohamed 《Journal of Material Cycles and Waste Management》2021,23(3):1227-1238
Journal of Material Cycles and Waste Management - Despite its impact on the environment, the most widely used method for waste management in African countries is landfilling. Energy recovery, in... 相似文献
100.
Najmi Arsalan Kanapathy Kanagi Aziz Azmin Azliza 《Environmental science and pollution research international》2021,28(12):14782-14796
Environmental Science and Pollution Research - For environmental management, the role of consumers is extremely important in the settings of reverse logistics. Though it is a manufacturer’s... 相似文献