Study on Lake Izvorul Muntelui rehabilitation

Dumitran, Gabriela Elena; Vuţă, Liana Ioana

doi:10.1016/j.simpat.2010.05.008

Cited by 5 publications

(2 citation statements)

References 10 publications

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“…The values reported were pH levels of 7.2 to 8.3, DO values of 6.7-11.0 mg/L, biomass values of 0-2.02 mg/L, TP values of 0.015-0.04 mg/L, and transparency values of 3 to 6 m. Based on the experience gained in the two studies previously recalled, the same collective expanded their activity in 2021 and started a regional study center for accumulation lakes in the hills of Moldova, Romania [66]. Dumitran et al (2011) investigated the trophic state of the Izvorul Muntelui reservoir and developed a mathematical model for the water quality indicators N, P, and algal biomass [67]. The data used ranged as follows: TN between 0.548 and 0.822 mg/L, TP between 0.04 and 0.05 mg/L, Chl a from 0.05 to 1.8 mg/L, and DO from 9 to 11.9 mg/L.…”

Section: Resultsmentioning

confidence: 99%

Overview of the Eutrophication in Romanian Lakes and Reservoirs

Dumitran,

Vuta,

Popa

2024

Limnological Review

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In this paper, attention is drawn to the deterioration of Romanian surface water ecosystems due to eutrophication, an important environmental issue both at national and international levels. An inventory of existing studies dealing with the issue of the eutrophication of lakes and reservoirs in Romania is made, aiming to identify the main problems Romania is facing in monitoring, classifying, and managing eutrophic ecosystems. On Web of Science, the keyword “Eutrophication”, with “Romania” as country/region, leads to 50 publications, which are analyzed in this review. The number of articles found does not reflect the real environmental issue represented by eutrophic lakes and reservoirs in Romania. At a national level, only 126 lakes and reservoirs have been monitored and assessed between 2018 and 2020, in terms of ecological status/ecological potential. Thus, at a global evaluation, 77% of natural lakes and 33% of artificial ones do not reach the quality objectives. The results of this study showed that the frequency of measurements taken by water quality indicators is not the strongest point of measurement campaigns, as it is not sufficient for the diagnosis of eutrophic lakes, and supplementary measures must be undertaken to better understand and mitigate this phenomenon.

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Section: Resultsmentioning

confidence: 99%

Overview of the Eutrophication in Romanian Lakes and Reservoirs

Dumitran,

Vuta,

Popa

2024

Limnological Review

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“…Since phosphorus is the limiting nutrient for algal growth, the reduction of phosphorus could help decrease Chl in the lake. In addition, high turbidity caused by the dead algal would also be decreased 9, 60. Thus, eutrophication of Carp Lake is expected to be improved after the implementation of Scenario 3.…”

Section: Resultsmentioning

confidence: 99%

Pollution Source Investigation and Water Quality Management in the Carp Lake Watershed, Taiwan

Yen

Chen

Sheu

et al. 2011

CLEAN Soil Air Water

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In this study, a full survey of pollutant sources and water quality was conducted, followed by the application of a water quality model (Water Quality Analysis Simulation Program, WASP) to establish strategies of water quality control in Carp Lake, Taiwan. Results of the field investigation show that both point and non-point source (NPS) pollutants were responsible for the poor water quality. The contributions of biochemical oxygen demand (BOD) from point source and NPS pollution were 45.9 and 55.1%, respectively. About 80% of total phosphorus (TP) were contributed by NPS. Additionally, point source and NPS pollution discharged 55.5 and 44.5% of NH 3 -N load, respectively. The Carlson's Trophic State Index ranged from 61.9 to 69.2 showing serious eutrophic problems in Carp Lake. The calculated BOD, NH 3 -N, and TP carrying capacity were approximately 2.8, 0.42, and 0.15 kg per day, respectively. However, the current pollutant loadings are approximately 3.0-5.5 times the calculated carrying capacity. With the help of the calibrated WASP model, remedial strategies for the lake water from short-term to long-term were developed. The completion of the small local sewer system to remove 80% of the point source pollution can serve as a short-term goal while 40-60% of NPS removal by natural treatment systems may serve as a mid-term goal. Furthermore, 80% of both source point and NPS pollution removal can be considered as a long-term strategy. Results of heavy metal analysis show that the enriched sediment would be safe for agricultural applications.

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Developments in sustainable energy and environmental protection

Olabi

2011

Simulation Modelling Practice and Theory

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Study on Lake Izvorul Muntelui rehabilitation

Cited by 5 publications

References 10 publications

Overview of the Eutrophication in Romanian Lakes and Reservoirs

Overview of the Eutrophication in Romanian Lakes and Reservoirs

Pollution Source Investigation and Water Quality Management in the Carp Lake Watershed, Taiwan

Developments in sustainable energy and environmental protection

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