SW—Soil and Water

Lee, Kwan Tun; Lee, Chin-Dee; Yang, Ming-Sang; Yu, Chih-Ching

doi:10.1006/jaer.2000.0597

Cited by 34 publications

(2 citation statements)

References 3 publications

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“…Liaw and Tsai (2004) used regressions to define isoreliability economic tradeoff curves between collection area and storage volume costs. Lee et al (2000) developed a regression equation to relate the major system parameters (irrigation demand, collection area, storage) and performance (reliability) for a single agricultural RWH site in China. Since only a single site is considered, the character of the hydrologic input (rainfall) is effectively built into the regression model.…”

Section: Rwh Cistern Sizing and Simulationmentioning

confidence: 99%

Generalized storage–reliability–yield relationships for rainwater harvesting systems

Hanson

Vogel

2014

Environ. Res. Lett.

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Sizing storage for rainwater harvesting (RWH) systems is often a difficult design consideration, as the system must be designed specifically for the local rainfall pattern. We introduce a generally applicable method for estimating the required storage by using regional regression equations to account for climatic differences in the behavior of RWH systems across the entire continental United States. A series of simulations for 231 locations with continuous daily precipitation records enable the development of storage-reliability-yield (SRY) relations at four useful reliabilities, 0.8, 0.9, 0.95, and 0.98. Multivariate, log-linear regression results in storage equations that include demand, collection area and local precipitation statistics. The continental regression equations demonstrated excellent goodness-of-fit (R 2 0.96-0.99) using only two precipitation parameters, and fits improved when three geographic regions with more homogeneous rainfall characteristics were considered. The SRY models can be used to obtain a preliminary estimate of how large to build a storage tank almost anywhere in the United States based on desired yield and reliability, collection area, and local rainfall statistics. Our methodology could be extended to other regions of world, and the equations presented herein could be used to investigate how RWH systems would respond to changes in climatic variability. The resulting model may also prove useful in regional planning studies to evaluate the net benefits which result from the broad use of RWH to meet water supply requirements. We outline numerous other possible extensions to our work, which when taken together, illustrate the value of our initial generalized SRY model for RWH systems.

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Section: Rwh Cistern Sizing and Simulationmentioning

confidence: 99%

Generalized storage–reliability–yield relationships for rainwater harvesting systems

Hanson

Vogel

2014

Environ. Res. Lett.

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“…During the growing and urbanizing populations in Africa, Asia, and South America in the second half of the 20th century, rainwater harvesting had become one of the means of supplying water [2]. From the findings of the research conducted in Germany in the 1980s, rainwater harvesting practices decreases potable water demand by 30-60% of the average household through harvesting roof runoff for toilet flushing [3].…”

Section: Introductionmentioning

confidence: 99%

Rainwater Availability Assessment for Tourism Development: A Case Study of Turtle Islands Park, Sabah

Ayog

Taharin

Tang

2015

AMM

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This study mainly focused on the rainwater availability assessment in Turtle Islands Park, Sabah, Malaysia. Consisting of three small islands, this marine park is home to two endangered turtle species – Green and Hawkbills turtles. This special feature of the islands attracts tourist around the world, thus increasing the demand of freshwater supply for tourism development in the marine park. However, due to the shortage of freshwater from the ground due to salinity intrusion, rainwater is seen to be an alternative in fulfilling the freshwater demand. To evaluate the source of freshwater in these islands, information is obtained from the main users of the water source, which are the Sabah Park officers, the approved tour operator on the islands and the security forces. The rainwater tanks available on the islands are calculated to assess the storing capacity of rainwater. The water demand was estimated by multiplying the number of visitors with the average water usage per visitor. With the existing water tanks, this study found that the Turtle Islands Park has the ability to store 414 m3 of rainwater in Selingaan island, 3.2 m3 in Gulisaan island, and 102.1 m3 in Bakkungan Kechil island. However, the monthly water demand of each island exceeds the existing storage tanks, hence it is proposed that the number of rainwater tanks be increased to harvest as much rainfall as possible for the use of the islands’ inhabitants.

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Rainwater Harvesting Storage‐Yield‐Reliability Relationships

Ndiritu

2021

Handbook of Water Harvesting and Conservation

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SW—Soil and Water

Cited by 34 publications

References 3 publications

Generalized storage–reliability–yield relationships for rainwater harvesting systems

Generalized storage–reliability–yield relationships for rainwater harvesting systems

Rainwater Availability Assessment for Tourism Development: A Case Study of Turtle Islands Park, Sabah

Rainwater Harvesting Storage‐Yield‐Reliability Relationships

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