Minimizing flood damage and augmenting dry season water availability: prospects for floodwater harvesting and underground storage in Sri Lanka

Flood water harvesting and underground storage is a concept that has received significant attention in many regions of the world. Its intention is to capture floodwater from currently flooded areas and to store it for later use, in order to both, reduce damage caused by floods, as well as to satisfy...

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Autores principales: Eriyagama, Nishadi, Muthuwatta, Lal P., Thilakarathne, Madusanka
Formato: Conference Paper
Lenguaje:Inglés
Publicado: 2014
Materias:
Acceso en línea:https://hdl.handle.net/10568/67626
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author Eriyagama, Nishadi
Muthuwatta, Lal P.
Thilakarathne, Madusanka
author_browse Eriyagama, Nishadi
Muthuwatta, Lal P.
Thilakarathne, Madusanka
author_facet Eriyagama, Nishadi
Muthuwatta, Lal P.
Thilakarathne, Madusanka
author_sort Eriyagama, Nishadi
collection Repository of Agricultural Research Outputs (CGSpace)
description Flood water harvesting and underground storage is a concept that has received significant attention in many regions of the world. Its intention is to capture floodwater from currently flooded areas and to store it for later use, in order to both, reduce damage caused by floods, as well as to satisfy demands for water during drier periods. This paper presents a preliminary analysis of the prospects for its realization in Sri Lanka. A coarse scale suitability index is constructed and mapped at district level in order to identify the districts having higher prospects for its implementation. Preliminary results indicate three main clusters of highly suitable districts, subject to favourable geological conditions. Cluster 1 consists of Ampara and Batticalao, Cluster 2 of Kurunegala, Anuradhapura and Mannar, and Cluster 3 of Ratnapura. The potential for groundwater recharge of the highly suitable clusters need special investigation prior to arriving at concrete conclusions. If successfully implemented, this concept may prove a valuable intervention for adapting to current and future floods and droughts.
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spelling CGSpace676262025-03-11T09:50:20Z Minimizing flood damage and augmenting dry season water availability: prospects for floodwater harvesting and underground storage in Sri Lanka Eriyagama, Nishadi Muthuwatta, Lal P. Thilakarathne, Madusanka flooding water harvesting water availability dry season drought groundwater management groundwater recharge Flood water harvesting and underground storage is a concept that has received significant attention in many regions of the world. Its intention is to capture floodwater from currently flooded areas and to store it for later use, in order to both, reduce damage caused by floods, as well as to satisfy demands for water during drier periods. This paper presents a preliminary analysis of the prospects for its realization in Sri Lanka. A coarse scale suitability index is constructed and mapped at district level in order to identify the districts having higher prospects for its implementation. Preliminary results indicate three main clusters of highly suitable districts, subject to favourable geological conditions. Cluster 1 consists of Ampara and Batticalao, Cluster 2 of Kurunegala, Anuradhapura and Mannar, and Cluster 3 of Ratnapura. The potential for groundwater recharge of the highly suitable clusters need special investigation prior to arriving at concrete conclusions. If successfully implemented, this concept may prove a valuable intervention for adapting to current and future floods and droughts. 2014 2015-07-30T06:07:44Z 2015-07-30T06:07:44Z Conference Paper https://hdl.handle.net/10568/67626 en Limited Access Eriyagama, Nishadi; Muthuwatta, Lal; Thilakarathne, Madusanka. 2014. Minimizing flood damage and augmenting dry season water availability: prospects for floodwater harvesting and underground storage in Sri Lanka. In Sri Lanka. Ministry of Disaster Management. Proceedings of the Disaster Management Conference: The future we want- Safer Sri Lanka, Colombo, Sri Lanka, 24-26 September 2014. Colombo, Sri Lanka: Ministry of Disaster Management. pp.379-381.
spellingShingle flooding
water harvesting
water availability
dry season
drought
groundwater management
groundwater recharge
Eriyagama, Nishadi
Muthuwatta, Lal P.
Thilakarathne, Madusanka
Minimizing flood damage and augmenting dry season water availability: prospects for floodwater harvesting and underground storage in Sri Lanka
title Minimizing flood damage and augmenting dry season water availability: prospects for floodwater harvesting and underground storage in Sri Lanka
title_full Minimizing flood damage and augmenting dry season water availability: prospects for floodwater harvesting and underground storage in Sri Lanka
title_fullStr Minimizing flood damage and augmenting dry season water availability: prospects for floodwater harvesting and underground storage in Sri Lanka
title_full_unstemmed Minimizing flood damage and augmenting dry season water availability: prospects for floodwater harvesting and underground storage in Sri Lanka
title_short Minimizing flood damage and augmenting dry season water availability: prospects for floodwater harvesting and underground storage in Sri Lanka
title_sort minimizing flood damage and augmenting dry season water availability prospects for floodwater harvesting and underground storage in sri lanka
topic flooding
water harvesting
water availability
dry season
drought
groundwater management
groundwater recharge
url https://hdl.handle.net/10568/67626
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