Results 1 to 10 of about 113,369 (264)

The water quality of the Upper Citarum: Applying the overall index of pollution, Said-WQI, and pollution index methods [PDF]

Heliyon
Water is a crucial natural resource, integral to sustaining human life and environmental equilibrium. However, water quality remains a critical issue issue due to prevailing contamination. While river water is a primary source of raw drinking water, much of it, such as Indonesia's Citarum River in West Java, has been polluted.
Mariana Marselina, Siti Ai Nurhayati
exaly   +5 more sources

Pollution status of Aneuk Laot lake Sabang based on pollution index and saprobic index [PDF]

BIO Web of Conferences
Pollution that occurs in lake waters needs special attention from various parties in the management of the lake in the future. The activities occurring around the lake result in an increased inflow of pollution into the lake.
Nurfadillah Nurfadillah, Maulidawati Seri, Anggraini Riztania, Nanda Defira Cut, Waliul Perdana Adli   +4 more
doaj   +2 more sources

Evaluation of groundwater quality in the bouanane plain using the groundwater pollution index, nitrate pollution index, and microbiological indicators. [PDF]

Sci Rep
Abstract Groundwater provides a vital component of water supplies in semi-arid environments, wherein its quality directly influences ecosystem stability and human well-being. This investigation presents the first complete evaluation of groundwater quality in the Bouanane basin by implementing an innovative PCA–GIS framework combined ...
Nouayti A, Mansour AE, Nouayti H, Abdaoui A, Nouayti R, El Mimouni A, Arabi M, Boughrous SA, Ouakhir H, Noman O, Shahat AA, Boughrous AA, Lahrach N.   +12 more
europepmc   +3 more sources

Formation of an Air Pollution Index [PDF]

Journal of the Air & Waste Management Association, 1999
An air pollution index is a quantitative tool through which air pollution data can be reported uniformly. There have been efforts to describe overall air pollution by an aggregation of pollutant subindices. When ambiguous, these aggregations raise unnecessary alarm by declaring a less polluted air to be highly polluted.
Prabhat K, Swamee, Aditya, Tyagi
openaire   +2 more sources

Examining the Water Quality Situation in Klampok River, Semarang through the Application of the NSF-WQI (National Sanitation Foundation – Water Quality Index) Model

Jurnal Presipitasi, 2023
The Klampok River is one of the rivers that crosses the Bandungan, Bawen, Bergas and Pringapus Districts. The increase in the number of residents in the river basin which is not matched by the availability of land encourages the conversion of land ...
Syafrudin Syafrudin, Anik Sarminingsih, Henny Juliani, Anang Wahyu Sejati, Bimastyaji Surya Ramadan, Mochamad Arief Budihardjo, Winardi Dwi Nugraha   +6 more
doaj   +1 more source

Evaluation of Groundwater Quality Status Around Gunung Tugel Landfill In Kedungrandu Village, Patikraja District, Banyumas Regency, Central Java, Indonesia.

JGEET: Journal of Geoscience, Engineering, Environment and Technology, 2021
Gunung Tugel Disposal Site (GTDS) is one of the final land disposal sites established in 1983 in the Banyumas Regency, and it operates with an open-dumping system.
Ekha Yogafanny, Annete Ratnagreha Nandinia, Andi Sungkowo   +2 more
doaj   +1 more source

Monitoring and Analysis on Ecological Environment in Near-shore Waters of Yellow River Estuary During 2015—2020

Shuitu baochi tongbao, 2022
[Objective] The water quality of Bohai Sea was monitored from 2015 to 2020, and the correlation between the change of ecological environment in the coastal waters of the Yellow River estuary and sediment and runoff into the sea was analyzed, in order to ...
Zhang Xiang, Li Su
doaj   +1 more source

Feasibility Evaluation of Wastewater Treatment Plant System: A Case Study of Domestic Wastewater System in Sleman Regency, Yogyakarta, Indonesia

Journal of the Civil Engineering Forum, 2021
Domestic Wastewater Treatment Plant (DWWTP) type 1 and DWWTP type 2 were being evaluated. DWWTP type 1 is located in Sembir area while DWWTP type 2 is located in Tambakrejo area which are both in Sleman Regency, Special Region of Yogyakarta (Daerah ...
Sri Puji Saraswati, Gregorius Henry Diavid, Sophia An Nisa, Nilna Amal, Visi Asriningtyas   +4 more
doaj   +1 more source

Spatiotemporal Variation and Ecological Risk Assessment of Heavy Metals in Industrialized Urban River Sediments: Fengshan River in Southern Taiwan as a Case Study

Applied Sciences, 2022
The sediment pollution index acts as a useful indicator for assessing anthropogenic pollution within river drainage basins. An industrialized urban river, Fengshan River in Kaohsiung City, southern Taiwan has been suffering heavy metal pollution from ...
Kuan-Nan Lin, Yee-Cheng Lim, Chiu-Wen Chen, Chih-Feng Chen, Chih-Ming Kao, Cheng-Di Dong   +5 more
doaj   +1 more source

Salmonellae as an Index of Pollution of Surface Waters [PDF]

Applied Microbiology, 1972
Screening enrichments of surface water specimens by means of a polyvalent fluorescent antibody reagent for the salmonellae yielded approximately 60% more positive specimens than was obtained by cultural procedures. It is not known what fraction of the excess of fluorescent antibody-positive over culturally positive specimens represents ...
W B, Cherry, J B, Hanks, B M, Thomason, A M, Murlin, J W, Biddle, J M, Croom   +5 more
openaire   +2 more sources