Modelling of seasonal and long-term trends in lake salinity in southwestern Victoria, Australia

Yihdego, Yohannes; Webb, John A.

doi:10.1016/j.jenvman.2012.07.002

Cited by 37 publications

(38 citation statements)

References 52 publications

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“…A spreadsheet model was employed to analyze for the current study [32]. An explanation of the model is given below.…”

Section: Methodsmentioning

confidence: 99%

Section: Geologymentioning

confidence: 99%

“…Lunettes occur on the eastern and northeastern margin of the lake,~4 m above the current maximum lake level [50]. There is a local groundwater flow system around Lake Linlithgow [32,55], and a regional to intermediate groundwater flow system in the surrounding volcanic plain (Figure 4). Potentiometric surface contours for the Newer Volcanics aquifer indicate that Lake Linlithgow is a groundwater through-flow lake, with groundwater flow entering the lake from the east and leaving towards the west (Figure 4).…”

Section: Geologymentioning

confidence: 99%

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Highlighting the Role of Groundwater in Lake– Aquifer Interaction to Reduce Vulnerability and Enhance Resilience to Climate Change

2017

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Abstract:A method is presented to analyze the interaction between groundwater and Lake Linlithgow (Australia) as a case study. A simplistic approach based on a "node" representing the groundwater component is employed in a spreadsheet of water balance modeling to analyze and highlight the effect of groundwater on the lake level over time. A comparison is made between the simulated and observed lake levels over a period of time by switching the groundwater "node "on and off. A bucket model is assumed to represent the lake behavior. Although this study demonstrates the understanding of Lake Linlithgow's groundwater system, the current model reflects the contemporary understanding of the local groundwater system, illustrates how to go about modeling in data-scarce environments, and provides a means to assess focal areas for future data collection and model improvements. Results show that this approach is convenient for getting first-hand information on the effect of groundwater on wetland or lake levels through lake water budget computation via a node representing the groundwater component. The method can be used anywhere and the applicability of such a method is useful to put in place relevant adaptation mechanisms for future water resources management, reducing vulnerability and enhancing resilience to climate change within the lake basin.

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“…A spreadsheet model was employed to analyze for the current study [32]. An explanation of the model is given below.…”

Section: Methodsmentioning

confidence: 99%

Section: Geologymentioning

confidence: 99%

Section: Geologymentioning

confidence: 99%

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Highlighting the Role of Groundwater in Lake– Aquifer Interaction to Reduce Vulnerability and Enhance Resilience to Climate Change

2017

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“…Główną przyczyną złożonych i sezonowo dynamicznych zmian wielkości dopływu wód podziemnych są warunki hydrometeorologiczne ( Winter 1999 ). Wielkość zasilania jezior drogą podziemną określana jest najczęściej na podstawie bilansu wodnego oraz zmian poziomu wód jeziora oraz przy wykorzystaniu modeli matematycznych ( Yihdego, Webb 2012 ). W przypadku wielu jezior głównym źródłem zasilania jest opad atmosferyczny, a stratą parowanie.…”

Section: Dyskusjaunclassified

Wypływy wód podziemnych w dnach mis jeziornych na przykładzie Jeziora Raduńskiego Górnego (Pojezierze Kaszubskie)

Cieśliński

Piekarz

2017

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: The aim of the study was to locate and describe groundwater outflows in a selected lake basin. The second aim was to measure spring discharge and measure physical characteristics of the studied waters ( temperature, conductivity ). The time scope of the work comprised the period from January 2011 to September 2012. The spatial scope of the work included the area of Lake Raduńskie Górne located in the Kashubian Lake District in northern Poland. The study consisted mostly of fieldwork and reviewing archived materials. Four groundwater outflows were located in the course of the study. Their total discharge was 4.6 l·s -1 and ranged between 0.5 and 2.5 l·s . This value is comparable to that for other lakes in the world. In effect, Lake Raduńskie Górne receives about 0.15% of its water from under-lake springs. This is a minute value in comparison with the lake's total groundwater recharge ( 97 mln m 3 per year ). However, it must be assumed that the actual number of under-lake springs is many times greater than that identified in the course of this study, which means that the share of water supplied in this manner is likely much higher and its effect on water chemistry and water levels in the lake is also likely much more pronounced.

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“…Salinization occurs when salts and minerals in soil are mobilized from clearing natural vegetation [2], when fresh water is diverted for irrigation [3], there are ongoing or reoccurring drought conditions [4], or as a result of municipal wastewater discharges [5]. As freshwater sources of drinking water become limited, cities and urban areas must consider higher-salinity waters as potential sources of drinking water.…”

Section: Introductionmentioning

confidence: 99%

Treatability of a Highly-Impaired, Saline Surface Water for Potential Urban Water Use

Pontius

2018

Water

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As freshwater sources of drinking water become limited, cities and urban areas must consider higher-salinity waters as potential sources of drinking water. The Salton Sea in the Imperial Valley of California has a very high salinity (43 ppt), total dissolved solids (70,000 mg/L), and color (1440 CU). Future wetlands and habitat restoration will have significant ecological benefits, but salinity levels will remain elevated. High salinity eutrophic waters, such as the Salton Sea, are difficult to treat, yet more desirable sources of drinking water are limited. The treatability of Salton Sea water for potential urban water use was evaluated here. Coagulation-sedimentation using aluminum chlorohydrate, ferric chloride, and alum proved to be relatively ineffective for lowering turbidity, with no clear optimum dose for any of the coagulants tested. Alum was most effective for color removal (28 percent) at a dose of 40 mg/L. Turbidity was removed effectively with 0.45 µm and 0.1 µm microfiltration. Bench tests of Salton Sea water using sea water reverse osmosis (SWRO) achieved initial contaminant rejections of 99 percent salinity, 97.7 percent conductivity, 98.6 percent total dissolved solids, 98.7 percent chloride, 65 percent sulfate, and 99.3 percent turbidity.

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Modelling of seasonal and long-term trends in lake salinity in southwestern Victoria, Australia

Cited by 37 publications

References 52 publications

Highlighting the Role of Groundwater in Lake– Aquifer Interaction to Reduce Vulnerability and Enhance Resilience to Climate Change

Highlighting the Role of Groundwater in Lake– Aquifer Interaction to Reduce Vulnerability and Enhance Resilience to Climate Change

Wypływy wód podziemnych w dnach mis jeziornych na przykładzie Jeziora Raduńskiego Górnego (Pojezierze Kaszubskie)

Treatability of a Highly-Impaired, Saline Surface Water for Potential Urban Water Use

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