期刊
AUSTRALASIAN JOURNAL OF WATER RESOURCES
卷 20, 期 1, 页码 65-77出版社
TAYLOR & FRANCIS AS
DOI: 10.1080/13241583.2016.1173314
关键词
Solomon Islands; rainwater tanks; water supply; rainwater harvesting; drought; development; small island developing nations
资金
- Applied Geoscience and Technology Division of Secretariat of the Pacific Community (SOPAC)
Secure and sanitary water supply is essential for human health and well-being. The challenges in meeting this demand are great in Small Island Developing States where water resources may be limited due to social and environmental constraints. In Honiara, Solomon Islands, a number of factors have constrained access to fresh water including: rapid population growth and urbanisation; neglected water infrastructure; the ethnic tensions; water tariff increases of 170% in the past 3 years; sole reliance on groundwater; and poor supporting electrical infrastructure. Within this context, the case for using rainwater tanks as either a predominant source or for augmentation of existing domestic water supply has been explored. The effect of historical drought events on rainwater tanks has been examined. A water balance model has been developed and various household scenarios reviewed to determine the reliability of domestic rainwater tanks over a 28-year period. The development of this model has highlighted both opportunities and limitations in Honiara that can be used to inform decision-makers and planners in water resources management.
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