scholarly journals A study on the effectiveness of percolation ponds as a stormwater harvesting alternative for a semi-urban catchment

2021 ◽  
Author(s):  
Abhinav Wadhwa ◽  
Pavan Kumar Kummamuru
Keyword(s):  
Stormwater Management ◽  
Tamil Nadu ◽  
Daily Rainfall ◽  
Urban Catchment ◽  
Study Region ◽  
Stormwater Harvesting ◽  
Percentage Area ◽  
Management Method ◽  
Peak Runoff

Abstract One of the challenges in urban stormwater management is to identify a suitable stormwater management method which will be socially, technologically and economically viable. In this paper, a study on the effectiveness of decentralized and interconnected percolation ponds as a stormwater harvesting technology, for a partially urbanized (semi-urban) catchment is presented. When applied to a case study region in Katpadi, Tamil Nadu, the results were encouraging. The investment required for implementing the proposed stormwater harvesting came to be about 555 Million for Option I and 714 Million for Option II. The annual volume of water that can be added to the groundwater system through infiltration from the ponds was found to be 1.22 Mm3 in the case of Option I and 0.74 Mm3 in the case of Option II. The percentage area under stormwater harvesting for the entire catchment was found to be 6.14% under Option I and 9.36 under Option II. The hydrologic performance of the proposed stormwater harvesting system indicated that for peak runoff values Option II is more efficient (in terms of minimizing runoff volume) compared to Option I; however, for daily rainfall values, Option I is hydrologically more efficient when compared to Option II.

scholarly journals Selection of best stormwater management alternative based on storm control measures (SCM) efficiency indices

Water Policy ◽  
2020 ◽  
Vol 22 (4) ◽  
pp. 702-715
Author(s):  
Abhinav Wadhwa ◽  
K. Pavan Kumar
Keyword(s):  
Stormwater Management ◽  
Tamil Nadu ◽  
Low Impact Development ◽  
Control Measures ◽  
Percentage Increase ◽  
Permeable Pavement ◽  
Runoff Reduction ◽  
Management Alternative ◽  
Institute Of Technology ◽  
Peak Runoff

Abstract Overcoming conventional stormwater management problems and finding appropriate control methods for safely discharging excess runoff from impervious areas is an essential part of any sustainable urban planning. This study aims to analyze the performance of different storm control measures (SCMs) applied to Vellore Institute of Technology (VIT) campus situated in Vellore, Tamil Nadu, which is a highly urbanized catchment. Different SCMs were designed for the VIT campus based on low impact development (LID) options available in stormwater management model (SWMM) software. The most suitable SCM was selected based on its ability to match pre-urbanized hydrographs as close as possible. The SCM location was identified by a localized survey, in such a way that there is least disturbance to the existing storm sewer network. The percentage reduction of peak flow under each proposed SCM were obtained as follows: bio-retention (19.8%), rain garden (18.69%), green roof (49.17%), infiltration trench (20.02%), permeable pavement (22.6%), rain barrel (12.95%), rooftop-disconnection (10.79%) and vegetative swales (17.23%). The results indicated that Option 9 (combination of permeable pavement and bioretention) and Option 10 (permeable pavement and infiltration trench) were better at reducing peak runoff and increasing infiltration. The peak runoff reduction for Options 9 and 10 were observed to be 32.05 and 39.81%, whereas the percentage increase in infiltration was observed to be 25.7 and 29.45% respectively.

Economics of Buffalo Milk Production – A Case Study in Rural Tamil Nadu

2012 ◽  
Vol 2 (2) ◽  
pp. 408-409
Author(s):  
Dr. A. Serma Saravana Pandian ◽  
◽  
Dr. K. N. Selvakumar Dr. K. N. Selvakumar ◽  
Dr. M. Prabu Dr. M. Prabu
Keyword(s):  
Milk Production ◽  
Tamil Nadu ◽  
Buffalo Milk

A study on the effects of urban runoff controls in the sandsli research catchment, Bergen, Norway

1997 ◽  
Vol 36 (8-9) ◽  
pp. 379-384
Author(s):  
Sveinn T. Thorolfsson
Keyword(s):  
Ground Water ◽  
Stormwater Management ◽  
Drainage System ◽  
Urban Runoff ◽  
Source Control ◽  
Urban Stormwater ◽  
Urban Stormwater Management ◽  
Water Conditions

This paper describes a case study on a new alternative drainage system for urban stormwater management, the so-called “Sandsli-system”. The aim of this study is to evaluate the Sandsli system and the effects of the solution on ground water conditions. The study is carried out in the Sandsli research catchment in Bergen, Norway. The idea behind the “Sandsli-system is not to mix the polluted and the clean stormwater combined with a source control for both stormwater quantity and quality. The clean stormwater is percolated as quickly as possible, while the polluted stormwater is collected and conducted to an appropriate site for disposal or treatment. The Sandsli-system was developed as an alternative drainage system to the conventional drainage system. The system has been functioning satisfactorily since 1981 to date. The advantages of the use of the Sandsli-system is highlighted i.e. recharging the stormwater to the ground water. The Sandsli-system is appropriate to locations with climate and geology similar to that found in the coastal part of Norway

A Kind of Change Management Method for Global Value Chain Optimization and Its Case Study

2021 ◽  
pp. 1-15
Author(s):  
Guangyu Xiong ◽  
Huaiyu Wu ◽  
Petri Helo ◽  
Xiuqin Shang ◽  
Gang Xiong ◽  
...  
Keyword(s):  
Change Management ◽  
Value Chain ◽  
Global Value Chain ◽  
Management Method
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