Studies on Seasonal Variation of Water Quality Parameters of River Mara Bharali in Sonitpur District of Assam (original) (raw)
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International Journal of Zoology and Applied Biosciences, 2017
Rivers are significant not only for human populations but also essential for plant and animal diversity. These aquatic systems are unique and are rich in biodiversity at the same time are under constant threat due to bludgeoning human populations and their demand for land. Water quality plays an important role in productivity of lakes. Physical and chemical parameters of the water body such as temperature, pH, turbidity, conductivity, TDS, along with primary productivity vary seasonally and regular monitoring of these parameters may through light into the productivity of the system. The present present study was undertaken to assess the seasonal variations of water quality parameters of Nagore vettar and Uppanar river, Arasalar river and Thirumalairayan rivers are near in Nagapattinam District, to assess the seasonal variations in water quality parameters (Temperature, pH, dissolved oxygen, ammonia (NH3-N), nitrite (NO2-N), nitrate (NO3-N), phosphate (PO4-P), biological oxygen demand (BOD), chemical oxygen demand (COD), total dissolved solids (TDS) and chlorophyll 'a', variations in lake morphology and changes in fish assemblages.
Applied Water Science
An account of seasonal water quality variability has been taken as a proxy for the changes of environmental setting occurring in the catchment areas and helps to illustrate the ecological system processes associated with it. The present study in Meenachil River (L = 78 km, A = 1272 km 2) comprising of stations from upstream to downstream for pre monsoon (PRM), monsoon (MON) and post monsoon (POM). Ca 2? and SO 4 2show an erratic trend while extreme deviations were observed at S6 and S7 stations. Na ? , K ? , Cl-, DIC and DOC showed a similar trend in most stations, i.e. (PRM [ POM [ MON). Significant rise of DIC and DOC at S7 during POM and PRM could explicate changes ensued in adjacent Vembanad lake system. Strong correlations of DIC and DOC for Na ? , K ? and Clions were noted in the study. HCA dendrogram reveals that ion chemistry in S6 and S7 was strictly controlled by neighbouring lake water dynamics. The results demonstrate high F1 variance of 73, 68 and 72% followed by F2 comprising of 17, 19 and 21% for PRM, MON and POM, respectively. General understanding into the autochthonous process associated within the river lake interface region was evident from the nutrient variability scenario.
The present study was carried out to assess the water quality of Manawar Tawi river of Rajouri during May 2013 to April 2014 in four different seasons viz. Summer (March to June), Monsoon (July-August), Post Monsoon(September to October) and Winter (November to February). Two stations were identified on the basis of anthropogenic load viz. Station I & Station II. Water samples were analyzed for physicochemical parameters including: Phosphate from two different stations. The results revealed seasonal variations in the Physico-chemical parameters at Station I & Station II and further investigations showed that water was clear with high values of pH and DO and low values of FCO2, TDS, TSS and BOD at Station 1 while at Station II high values of BOD, nitrates, chlorides, free CO2, TDS but low value of DO & pH indicated pollution load. The comparative study showed that the water quality of the Manawar Tawi was degraded due to the presence of significant amount of pollutants discharged from Rajouri city at Station II so water is not potable at this site. To maintain the healthy ecosystem of the river there is a need for proper management and monitoring of water quality of the river.
essence-journal.com
In the present analysis seasonal variation of physico-chemical parameters of river Dhamola at Saharanpur was studied. For this study three sites were selected for water sampling seasonally for a period of one year. Samples were analyzed for various physico-chemical parameters viz. Temperature (°C), Turbidity (JTU), Total solids (mg/l), Total dissolved solids (mg/l), Total suspended solids (mg/l), pH, BOD (mg/l), COD (mg/l), DO (mg/l) and Total heavy metals (mg/l). The less concentration of total heavy metals was observed at sampling station A, while at sampling station B and C greater concentration were observed.
Rivers play a major role in integrating and organizing the landscape, and moulding the ecological setting of a basin. Bharali named as Mara Bharali at Tezpur in the were selected from Solmara Bridge (Tezpur to Maithan (The temperature, pH and turbidity of the river water was found to be within the WHO permissible limit. However, Site monsoon the TDS ranged between 700 be between 600 winter and was found to range between 1.8 during monsoon at site II (Mara B were recorded from the sampling sites during the period of study which indicates that productivity of the river is moderately rich. The molluscan community was represented by two classes, v and Gastropoda
International Journal of Applied Science and Engineering Research, 2012
A comparative assessment of the hydrological quality of the shallow aquifers and surface water sources in the Jia Bharali River basin and adjoining areas of the Himalayan foothills has been made in this work. Six set of seasonal samples were analysed with respect to the common physicochemical parameters including major anions (carbonate-bicarbonate, chloride, sulphate, fluoride, nitrate and phosphate), and cations (calcium, magnesium, sodium, potassium). 74 % of the aquifers had higher TDS and 88 % had higher hardness in the wet seasons. The major cations were in the ranges of Ca: 7.
Present study focused on the spatial and seasonal variations in the physico-chemical parameters of the river Dwarakeshwar passing through district Bankura of West Bengal, India. A total of seven parameters were analysed and their seasonal variations are observed to assess the impact of effluents of Bankura town on the water quality. The sampling was done both at upstream (at the entry point of Bankura town) and downstream (at the exit point of Bankura) regions of the river simultaneously throughout the year (March, 2013 to February, 2014). After evaluating all the seven parameters it is revealed that even though there are some changes of values between both the study areas but, those are within the limit of water quality of Bureau of Indian Standards.
International Journal of Scientific Research in Biological Sciences
The present study was carried out at eatuarine and riverine regions of river Narmada, one of the four major rivers of Gujarat. A total of eleven physico-chemical parameters of water were analyzed seasonally during a period of February 2017 to September 2017. The range of physical and chemical parameters obtained are Temperature 21.0°C to 36.90°C, Turbidity 0.04 NTU to 923 NTU, pH 7.2 to 9.0, Electrical Conductivity 0.0018mS to 40.78mS, Total Dissolved Solids 0.9 ppt to 5209 ppt, Dissolve Oxygen 3.42 mg/l to 8.32 mg/l, Salinity 0.27 ppt to 56.08 ppt, Acidity 30mg/l as CaCO 3 to 90mg/l as CaCO 3 , Alkalinity 40 mg/l as CaCO 3 to 200 mg/l as CaCO 3 and Total Hardness 600 mg/l as CaCO 3 to 16000 mg/l as CaCO 3 The results of present research work revealed that certain parameters such as Total Hardness, Turbidity, and Total Dissolved Solids were not found to be within the acceptable range of IS 10500-2004 from the view point of domestic purpose; which might be due to the point and non-point sources of pollution that the river receives mainly by means of industrial effluent, agricultural runoff, and domestic sewage. Further, the water quality data generated from this study will help in potential remediation and other management decisions.
STUDY OF ARITHMETICAL VARIATIONS OF WATER QUALITY IN RIVER-GODAVARI BASED ON SEASONAL EFFECTS IN A.P
Water is the prime requirement for the existence of life on earth. Most of the water for public water supplies and irrigation purposes is drawn from surface water sources like rivers and reservoirs as they facilitate the withdrawals of large amounts of fresh water. However, these surface water resources are getting polluted due to the joining of domestic sewage, industrial effluents and excess agricultural drainages. The study is conducted at two sampling locations on the River Godavari i.e., Polavaram and Dowleswaram which are located at a distance of 110.4 km and 152.4 km respectively from the entry point into the state. The data for the study is collected from Central Water Commission (CWC), India and Irrigation & CAD department, Hydrology project circle, Hyderabad, Govt. of Andhra Pradesh, for the years 2002 to 2017. The data comprised of several physico-chemical, biological and Irrigation parameters recorded daily. The two popular methods viz., National Sanitation Foundation Water Quality Index (NSFWQI) and Weighted Arithmetic Index Water Quality Index (WAIWQI) are used for the evaluation of the water quality indices representing the quality of water for both domestic and irrigation purposes at the two sampling stations. The water quality indices for the future period till 2020 are also evaluated. The overall observation from the study is that, the quality of water in the river Godavari is gradually decreasing while it flows from Polavaram to Dowleswaram and this may be because of joining of domestic sewage and industrial effluents from the towns Kovvur and Rajahmahendravaram located in the banks of the river. The seasonal variations of water quality of Polavaram and Dowleswaram has been focused in this study.
Seasonal Variation in Water Quality: A Study with Reference to River Kuwano, Basti, (U.P.), India
Applied Ecology and Environmental Sciences, 2021
Kuwano river is one of the important rivers flowing through the Basti District, (U.P.), India. Recently, district witnessed rapid urbanization and industrialization, in catchment of river, leading to pressure on surface water quality. The present study aimed to find out the effect of seasonal changes on physico-chemical characteristics of river Kuwano water. The seventeen parameters i.