scholarly journals Environmental Impact Statement on Kolleru Lake Water

2020 ◽  
Vol 8 (6) ◽  
pp. 2509-2512

Catchments are most important for the purpose of practicing irrigation and recharging groundwater by collecting water during the rainy season so that the nearby land will be in surplus quantity of groundwater due to the continues percolation of water from the catchments, even the stored water in the form of catchments will be used as an alternative water source for other requirements apart from the irrigation practices such as for industries and other developmental activities taking place nearby the catchments. Year by year it was noticed that in the world scenario the pollutant concentration is keep on increasing especially water and air pollution due to the excessive load of population that is increasing from the rural to urban areas [10]. Coming to water pollution the major portion of pollution is increasing in the surface water bodies [4] due to various activities like surface runoff, intentionally releasing of untreated effluents from the nearby industries into the catchments [8] and the agricultural runoff etc, whatever the reason there is an immediate need and an emergency to monitor these catchments as the average rainfall is gradually decreasing due to the changing climatic conditions like global warming which leads to the reduced availability of water in the surface water bodies at the other side the existing water is being contaminated [5] by the activities of nearby people. The impact will be severe when the same situation continues in the days to come where the living standards of the people will be decreased at a notable level and the impact will be much more severe on the irrigated land which depends on the catchments. The study has done at Kolleru Lake in west godavari district, Andhra Pradesh. Collected Six Water samples from six locations around the lake for analysis [7] and then the results of the analysis compared with Central Pollution Control Board 1979and Indian standards 1982 guidelines for water in the surface water bodies to find out the present scenario of lake water.

2012 ◽  
pp. 149-152
Author(s):  
János Fehér

In the European Region agriculture is the second largest water user after power industry cooling water use. As part of the implementation of Water Framework Directive EU Member States prepared their river basin management plans by the end of 2009 or first half of 2010, In these plans impacts of agriculture on water bodies have received attention. The detailed information elaborated in the plans by countries and river basin districts were uploaded into the WFD section of the WISE system. This database provides opportunity for multi-criteria analysis for different water types. The paper discusses the effects of agriculture on hydromorphological pressures and impacts affecting surface water bodies. It was pointed out that among the pressures affecting European surface water bodies the hydromorphological and diffuse pressures represent the highest ratios (Figure 1). Within the hydromorphological pressures affecting classified surface water bodies the ratio of pressures related to agricultural activities is low,it does not exceed 1% at European level. In case of Hungary the agriculture related river management pressures effect about 80% of the surface water bodies, which is much higher than the corresponding European average. The agricultural water abstractions affect about 10% of the Hungarian surface water bodies (Figures 2 and 3). The river and lake water bodies are impacted in significant ratio by nutrient enrichments and organic material enrichments, while in case of river water bodies the impact of organic material enrichments is also significant (Figures 4 and 5).


Geofluids ◽  
2019 ◽  
Vol 2019 ◽  
pp. 1-22 ◽  
Author(s):  
Maximilian Frick ◽  
Magdalena Scheck-Wenderoth ◽  
Michael Schneider ◽  
Mauro Cacace

Knowing the thermal and hydraulic conditions below major urban centers is of increasing importance in the context of energy and water supply. With this study, focusing on the major urban center of Berlin, Germany, we aim to gain insights on the coupling of surface water bodies to the subsurface thermal and hydraulic field investigating shallow water to deep groundwater interactions. Therefore, we use a 3D structural model of the subsurface, constrained by all available data and observations, as a base for simulations of the coupled transport of fluid and heat. This model resolves the 3D configuration of the main geological units and thus enables us to account for related heterogeneities in physical properties. Additionally, we resolve surface water body geometries with newly available data. To assess how surface water bodies interact with the deeper groundwater at different depths in the model domain, the influence of different hydraulic boundary conditions is quantified, which indicates that the coupling of surface water bodies and groundwater strongly modifies predicted groundwater circulation. Consequently, changes in subsurface temperatures are also predicted, where lakes may account for temperature differences up to ±5°C and rivers could account for up to ±1°C visible at depths ≤-500 m.a.s.l. These differences are mainly connected to changes in the advective component of heat transport caused by the modifications of the hydraulic boundary condition. Pressure-driven heat transport is most efficient where differences between hydraulic heads of aquifers and surface water bodies are highest. This study therefore illustrates the impact of surface to subsurface water interactions in an urban context.


2020 ◽  
Vol 24 (10) ◽  
pp. 67-71
Author(s):  
A.I. Kurbatova ◽  
A.D. Dalidenok ◽  
K.Yu. Mikhaylichenko ◽  
E.V. Savenkova ◽  
E.V. Kruglikova ◽  
...  

The impact of Moscow Domodedovo Airport wastewater on nearby surface water bodies, nameless streams which are tributaries of the Gnilusha and Muranikha rivers was investigated. Water quality was assessed by 16 indicators, the Specific Combinatorial Water Pollution Index (SCWPI) was also calculated. The quality degree of the studied reservoirs was determined.


2020 ◽  
Author(s):  
Alexander Wachholz ◽  
Seifeddine Jomaa ◽  
Olaf Büttner ◽  
Robert Reinecke ◽  
Michael Rode ◽  
...  

<p>Due to global climate change, the past decade has been the warmest for Germany since the beginning of climate records. Not only air temperature but also precipitation patterns are changing and therefore influencing the hydrologic cycle. This will certainly influence the chemical status of ground- and surface water bodies as mobilization, dilution and chemical reactions of contaminants are altered. However, it is uncertain if those alterations will impact water quality for better or worse and how they occur spatially. Since water management in Europe is handled at the regional scale, we suggest that an investigation is needed at the same scale to capture and quantify the different responses of the chemical status of water bodies to climate change and extreme weather conditions. In this study, we use open-access data to (1) quantify changes in temperature, precipitation, streamflow and groundwater levels for the past 40 - 60 years and (2) assess their impacts on nutrient concentrations in surface- and groundwater bodies. To disentangle management from climate effects we pay special attention to extreme weather conditions in the past decade. Referring to the Water Framework Directive, we chose the river basin district Elbe as our area of interest. Preliminary results indicate that especially the nitrate concentrations in surface water bodies of the Elbe catchment were positively affected in the last two years, while no significant impact on nitrate levels in shallow groundwater bodies was witnessed. However, many wells showed the first significant increase in water table depth in both years since 1985, raising the question of how fast groundwater-surface water interactions will change in the next years.</p>


2020 ◽  
Vol 8 (5) ◽  
pp. 2338-2341

Entry of contaminated soils and sediments in to the water sources from the urban runoff decreases lake water quality and increases the cost of water purification. Water pollution is inevitable issue when the surrounding activities of nearby people are not maintained proper water handling techniques with respect to preserving lake water quality along with the quantity. Sedimentation is a complex process where the eroded soil particle enters in to the water bodies through flowing water or through any of the transporting media and settles as layers on the bottom of the water bodies. Maintenance of good water quality in the lakes is always most important criteria for promoting good irrigation standards and drinking facilities to the nearby people along with other benefits like recreation, fisheries etc. but all these benefits are questionable in the current scenario as the water in the lakes are being contaminated by industrial and municipal waste disposal practices along with agricultural runoff at certain rural connected areas. Urban areas especially in India are facing severe problems with water as the availability of water reducing year by year at an alarm rate which in turn leads to increased pressure on sustainable consumption of lake water to meet the daily water demand of the city. There should be some suitable management strategies for Protecting water bodies to promote ecological balance at study area, the present study has taken up at koritapadu lake falls under the limits of guntur municipal corporation, Andhra Pradesh, earlier this lake served as major source for drinking and also for other requirements of water to the nearby people but now it became un useful as the water contamination is high and unable to consume as part of daily activities. Total eight samples were collected for both water and sediments by considering all possible corners of contamination, all he samples were analyzed by adopting standard water quality analysis procedures [7]. By keeping the above considerations this study was initiated to promote water quality for future consumption.


2019 ◽  
Vol 11 (23) ◽  
pp. 6754 ◽  
Author(s):  
Najeebullah Khan ◽  
Shamsuddin Shahid ◽  
Eun-Sung Chung ◽  
Sungkon Kim ◽  
Rawshan Ali

Recent climate change has resulted in the reduction of several surface water bodies (SWBs) all around the globe. These SWBs, such as streams, rivers, lakes, wetlands, reservoirs, and creeks have a positive impact on the cooling of the surrounding climate and, therefore, reduction in SWBs can contribute to the rise of land surface temperature (LST). This study presents the impact of SWBs on the LST across Bangladesh to quantify their roles in the rapid temperature rise of Bangladesh. The moderate resolution imaging spectroradiometer (MODIS) LST and water mask data of Bangladesh for the period 2000–2015 are used for this purpose. Influences of topography and geography on LST were first removed, and then regression analysis was conducted to quantify the impact of SWBs on the LST. The non-parametric Mann–Kendall (MK) test was used to assess the changes in LST and SWBs. The results revealed that SWBs were reduced from 11,379 km2 in 2000 to 9657 km2 in 2015. The trend analysis showed that changes in SWBs have reduced significantly at a 90% level of confidence, which contributed to the acceleration of LST rise in the country due to global warming. The spatial analysis during the specific years showed that an increase in LST can be seen with the reduction of SWBs. Furthermore, the reduction of 100 m2 of SWBs can reduce the LST of the surrounding regions from −1.2 to −2.2 °C.


2022 ◽  
Vol 9 ◽  
Author(s):  
Viktor Sebestyén ◽  
Tímea Czvetkó ◽  
János Abonyi

We developed a digital water management toolkit to evaluate the importance of the connections between water bodies and the impacts caused by pollution sources. By representing water bodies in a topological network, the relationship between point loads and basic water quality parameters is examined as a labelled network. The labels are defined based on the classification of the water bodies and pollution sources. The analysis of the topology of the network can provide information on how the possible paths of the surface water network influence the water quality. The extracted information can be used to develop a monitoring- and evidence-based decision support system. The methodological development is presented through the analysis of the physical-chemical parameters of all surface water bodies in Hungary, using the emissions of industrial plants and wastewater treatment plants. Changes in water quality are comprehensively assessed based on the water quality data recorded over the past 10 years. The results illustrate that the developed method can identify critical surface water bodies where the impact of local pollution sources is more significant. One hundred six critical water bodies have been identified, where special attention should be given to water quality improvement.


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