Assessment of variability in monthly, seasonal and annual rainfall received during 140 years at Ananthapuramu district of Andhra Pradesh

Reddy, B. Sahadeva; Sudheer, K.V.S.; Kumar, K. Ashok; Reddy, A. Malliswara; Kumari, C. Radha

doi:10.5958/2231-6701.2020.00003.2

Cited by 2 publications

(1 citation statement)

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“…The United States, Britain, Australia, New Zealand and other countries have also promoted and applied some similar concepts to a certain extent. Best Management Practices, BMPs, mainly emphasize that through engineering measures, such as the construction of precipitation filter, artificial purification wetland, storage tank and other systematically constructed rainwater collection, utilization and discharge systems, the control of pollutants is strengthened and implemented at the end of the treatment, and at the same time, there are set of policies and regulations, pollution source control and other non-engineering management measures (Reddy et al 2020). The sustainable drainage system (SUDS) concept promoted in the UK mainly achieves the goal of sustainable development through a series of technical transformation of the drainage system.…”

Section: Introductionmentioning

confidence: 99%

Stormwater and flood simulation of sponge city and LID mitigation benefit assessment

Zhang

Wang³

et al. 2022

Preprint

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In the context of global climate changing and the influence of human activities, "sponge city" is put forward to realize the purification, collection and reuse of rainwater. The effective evaluation of LID facilities in sponge cities is of great guiding significance for the promotion and construction of sponge cities. IFMS (Integrated Flood Modeling System) Urban was selected to construct the rainstorm simulation. LID parameters were added to simulate the improvement of urban waterlogging after the construction of sponge city. A reasonable disaster loss assessment method was used to calculate the disaster mitigation benefit brought by the construction of sponge city. Through the comparison of the inundation situation before and after LID facilities construction, it can be concluded that the mitigation effect of LID facilities on the overall inundation area of the city decreases with the increase of rainfall recurrence period, with the maximum reduction rate reaching 13.63% in the 5-year recurrence period and the minimum reduction rate of 11.06% in the 50-year recurrence period. LID facilities have a better disaster reduction effect for rainfall events with a small recurrence period than for rainfall events with a large recurrence period.

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Section: Introductionmentioning

confidence: 99%