scholarly journals Comparative Assessment on the Physicochemical Water Quality of Wells and Boreholes in Two Rivers State Communities, Nigeria

2020 ◽  
Vol 6 (3) ◽  
Keyword(s):  
Water Quality ◽  
Comparative Assessment ◽  
Rivers State

scholarly journals Assessment of Water Quality of Khari River in Agra District During Lockdown Period using Multivariant Techniques and Quality Indexes

2021 ◽  
Vol 34 (1) ◽  
pp. 67-77
Author(s):  
R.K. Saraswat ◽  
S. Verghesep ◽  
T. Pachauri
Keyword(s):  
Water Quality ◽  
Positive Impact ◽  
Anthropogenic Activities ◽  
Saturation Index ◽  
Principal Component ◽  
Comparative Assessment ◽  
Langelier Saturation Index ◽  
Industrial Use ◽  
Quality Indexes

Throughout the world, the lock-down period during COVID-19 (March 2020- July 2021) has reported an improvement in the ecological scenario with controlled anthropogenic activities. This study presents a comparative assessment of water quality of the highly polluted Khari river in Agra district (India) during the pre-pandemic and post-pandemic period of COVID-19. The result was analyzed in terms of water quality index (WQI), the most accessed tool used by various researchers to report the water quality. In addition, Aggressive index (AI) and Langelier saturation index (LSI) have also been determined. Further, multivariate analysis has been performed in terms of principal component analysis (PCA). ANOVA has been used to study the variance of the parameters. The study revealed a positive impact of pandemic on the water quality as the parameters improved during the post-pandemic period as compared to the pre-pandemic period. However, as the river was highly polluted during the pre-pandemic period, strict actions are required for further improvement in its water quality for agricultural, industrial and industrial use.

Ecological Features of a Country House Water Supply

2019 ◽  
Vol 23 (2) ◽  
pp. 68-71
Author(s):  
G.I. Zubareva
Keyword(s):  
Water Quality ◽  
Water Supply ◽  
Optimal Choice ◽  
Comparative Assessment ◽  
Country House ◽  
Factors Affecting ◽  
Ecological Features ◽  
Quality Of Water ◽  
Over Time

Considered the most frequently used sources of autonomous water supply of a country house – manhole and well. It is shown that the chemical composition of natural water in these structures does not meet the requirements of SaNPiN 2.1.4.1175-02 and varies over time. The reasons for the change in the water quality in the manhole and the well and the ways to solve the problem are listed. The factors affecting the water quality in the manhole and the well are indicated – the characteristic of the water of the aquifer and the arrangement of the structures. The conclusion was made that it is impossible to make the optimal choice between a manhole or a well for the environmentally acceptable water supply of a country house for the quality of water in each of the water intakes. A comparative assessment of the manhole and the well is given for a number of indicators in order to optimize the choice between them.

scholarly journals Comparative Assessment of the Water Quality of Four Types of Aquaculture Ponds under Different Culture Systems

2017 ◽  
Vol 1 (1) ◽  
pp. 104-110
Author(s):  
Moshood Keke Mustapha
Keyword(s):  
Water Quality ◽  
Total Dissolved Solids ◽  
Comparative Assessment ◽  
Total Hardness ◽  
Intensive Culture ◽  
Culture Systems ◽  
Significant Difference ◽  
Temporal And Spatial ◽  
Materials Used

Abstract Water quality of collapsible, concrete, earthen and natural ponds under different culture systems were assessed using of Photometer and tester. Temporal and spatial replications of samples were done in triplicates. Dissolved oxygen ranged between 4.6 to 6.8 mg/l, carbon dioxide 1.4 - 3.0 mg/l, nitrate 1.6 - 3.2 mg/l, phosphate 0.8 - 2.3 mg/l, calcium hardness 65- 100 mg/l, magnesium hardness 30 - 50 mg/l and total hardness 80 and 165 mg/l. Conductivity ranged between 346 - 472 μS/cm, total dissolved solids 232 - 316 mg/l, transparency 36 - 82 cm, alkalinity 105 - 245 mg/l, pH 6.35 - 8.03 and temperature 29.1 to 35.9 °C. Significant difference (P<0.05) was obtained among the parameters in the ponds showing the effects of the different culture systems on the water quality. Variations in the water quality was due to the presence of plankton and macrophytes found in earthen and natural ponds where semi-intensive and extensive culture were practiced, use of artificial feed in collapsible and concrete ponds where intensive culture was done, effects of respiration, photosynthesis and decomposition, source of water and materials used for the construction of the ponds. Water quality in the ponds under the different culture systems was good.

scholarly journals Comparative Assessment of Air Quality in Igwuruta and Aluu, Rivers State, Nigeria

2020 ◽  
Vol 24 (4) ◽  
pp. 607-614
Author(s):  
S.M.O. Akhionbare ◽  
O.G. Okweri-Eric ◽  
C.E. Ihejirika
Keyword(s):  
Carbon Monoxide ◽  
Air Quality ◽  
Ambient Air ◽  
Comparative Assessment ◽  
Criteria Pollutants ◽  
Suspended Particulate ◽  
Volatile Organic ◽  
Available Technology ◽  
Rivers State

This study investigated the air quality of Aluu and Igwuruta communities both in Obio-Akpor Local Government Area of Rivers State, using carbon monoxide (CO), nitrogen dioxide (NO2), Sulphur dioxide (SO2), suspended particulate matter (SPM), Methare (CH4), ammonia (NH3) Ozone (03) and Volatile Organic Compound (VOCs) as indices. Sampling was done at eighteen (18) locations within Aluu and Igwuruta at graded distances from the two (2) flare points located within the study area. Ambient air temperature, relative humility and windspeed were also measured for the location. Results showed the following levels for Aluu: CO; 934.2 ± 6.5 μg/m3, NO2; 1451.4 ± 14.28 μg/m3, SO2; 243.3 ± 9.085 μg/m3, NH3; 2167.3 ± 8.916 μg/m3, CH4; 34734.5 ± 9.55 μg/m3, SPM; 23.55 ± 6.05 μg/m3, O3; 14.795 ± 6.33 μg/m3 and VOC; 4.04 ± 1.842 μg/m3 while for Igwuruta, results are given as: CO; 460 ± 6.81 μg/m3, SPM; 95.7 ± 3.588 μg/m3, NO2; 1300.75 ± 4.681 μg/m3, SO2; 1191.72 ± 13.127 μg/m3, SO2; 1191.72 ± 13.127 μg/m3, NH3; 554.05 ± 9.241 μg/m3, CH4; 15078.8 ± 10.74 μg/m3, O3; 17.464 ± 1.696 and VOC; 4.659 ± 1.059 μg/m3. The dominant pollutants were NO2, SO2, NH3 and CH4. These results raises concern on possible health risk on community dwellers while Igwuruta had higher levels than Aluu in NO2 and SO2 levels. It is therefore recommended among others, that gas to energy conversion approach is a readily available technology that can be used to curb the menance of environmental pollution due to gas flaring at the same time harnessing the commodity value of the associated gases currently being flared. Key words: criteria pollutants, reinforcement, Igwuruta, Aluu, health effects

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