Applying Stormwater Management Concepts in Tropical Countries

Rivard, Gilles; Rinfret, Louis Andre; Davidson, Stephen M.; Morin, Pierre Louis; Corrales, Marco Vinicio; Kompaniets, Svetlana

doi:10.14796/jwmm.r225-03

Cited by 7 publications

(7 citation statements)

References 12 publications

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“…Time series reconstruction through proxy data is possible (e.g. Meko et al, 1995;Tarboton, 1995;Rivard et al, 2006;Buytaert et al, 2010). Urban areas in the developing world will continue to depend on the linked model approach, despite some views that information currently available from climate models is inadequate for most planning and design aspects of water decisions (e.g.…”

Section: Much Of What I Heard During the Workhop Was Directed At Howmentioning

confidence: 99%

“…A further challenge for the developing world is that there is relatively little experience in applying dynamic runoff models for drainage assessment (e.g. Rivard et al, 2006;Chaosakul et al, 2009;Sothea et al, 2010). In fact, to my knowledge there is no specific modeling effort to assess urban stormwater issues under climate change scenarios for the developing world.…”

Section: Much Of What I Heard During the Workhop Was Directed At Howmentioning

confidence: 99%

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Climate Change and Urban Hydrology: Research Needs in the Developed and Developing Worlds

Irvine

2013

JWMM

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Although opinion polls indicate the public continues to be uncertain about climate change, the scientific community generally has reached consensus that increasing anthropogenically-sourced greenhouse gases have contributed substantially to rising global temperature over the second half of the twentieth century. This chapter takes the position that global warming and attendant changes in the precipitation regime have started and likely will intensify over the next century and explores these issues in relation to urban hydrology research needs for both the developed and developing worlds. Most research on climate change and water resources has focused on river flooding and drought at the watershed scale, irrigation demands, and impacts due to sea level rise. Assessment of urban drainage and sanitation infrastructure impacts and resiliency under climate change scenarios have received much less attention. Urban hydrologic impacts are broadly defined in this chapter and are discussed under eight categories: i) system resiliency and adaptation; ii) storm frequency and runoff; iii) water and sediment quality; iv) health impacts; v) water use and reuse; vi) sea level rise; vii) greenhouse gas emissions; and viii) urban heat islands. Adaptation measures to improve urban hydrologic resiliency are explored, with a focus on low impact development (LID) technologies, water reuse, land use planning, green buildings, and political will. Research needs in hydrologic science and engineering include: continued improvement of General Circulation Models (GCMs), particularly in the area of spatial downscaling; the need to further link GCM outputs and stormwater/ sewer modeling efforts (for both water quantity and quality); reconsideration Climate Change and Urban Hydrology: Research Needs … of design approaches under non-stationary rainfall time series; more extensive field verification (and modeling linkages) related to LID benefits; and opportunities and technologies for water reuse and green buildings. Scientists and engineers must increase their communication with politicians and policymakers about the need to consider greater temperature and precipation variability in community planning and include full-cost accounting of hydrologic services in these discussions. A more integrated approach to green community planning and management is required and the Singaporean model offers an interesting possibility. However, we also must recognize that a "one size fits all" solution to climate change resiliency and adaptation is not possible. Exchanges regarding water resource management technologies between the developed and developing world are occuring, but must be culturally appropriate and adapted to the specific environment.

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Section: Much Of What I Heard During the Workhop Was Directed At Howmentioning

confidence: 99%

Section: Much Of What I Heard During the Workhop Was Directed At Howmentioning

confidence: 99%

Climate Change and Urban Hydrology: Research Needs in the Developed and Developing Worlds

Irvine

2013

JWMM

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“…These factors may influence the nature, diversity, and perceived value of urban wetlands. Intense rainfall events in tropical cities lead to frequent flooding, with floodwaters that are high in nutrients and suspended sediment, and may be highly polluted (Parkinson et al, 2010; Rivard et al, 2006). These issues require different approaches to management to those needed in cities where such floods are less frequent or intense.…”

Section: Introductionmentioning

confidence: 99%

“…In tropical Kuala Lumpur, for example, all new housing developments require sediment retention ponds designed to receive overland flow, resulting in a proliferation of new wetland habitats across the city. However, while these and other novel habitats (as well as remnant natural ones) may contribute positively to pond diversity in tropical urban areas, negative social or environmental impacts including health risks associated with standing water, notably mosquitos (Rivard et al, 2006), may create social pressures that run counter to the desire to conserve or create new urban wetlands.…”

Section: Introductionmentioning

confidence: 99%

A review of current knowledge and research priorities for conservation of lentic biodiversity in tropical wet and monsoonal urban landscapes

et al. 2022

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1. Urban expansion is a major threat to diversity, especially in rapidly developing tropical countries where urban areas are growing at great pace and protection is limited.2. We conducted a systematic review of published research on the ecology of lentic habitats in tropical urban areas. The review focused on understanding: (1) how much is currently known about the biodiversity of these habitats; (2) whether this knowledge is biased towards certain taxonomic groups and/or geographic areas;(3) what is known about the factors influencing their diversity; and (4) which ecosystem services urban lentic habitats provide. The review aimed to establish whether existing knowledge is sufficient to help guide conservation and provide evidence to policy makers of the importance of conserving tropical urban wetlands.3. We found 64 papers that addressed questions about the diversity and/or distribution of lentic ecosystems within tropical urban areas. Papers came from 15 countries, although almost half (45%) were from India; relatively few countries from Southeast Asia, tropical Africa, or South America were represented in the literature.

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“…The application and research of LID structures and naturebased solutions in developing countries, however, is currently not yet fully explored. The practice of urban drainage in developing countries has been said to be more complex than in developed countries due to varying socio-economic, technological, and climatic conditions (Rivard et al, 2006). Key urban water facilities such as sanitation, water supply, and flood hazard are supposedly in good condition in developed countries rather than in developing countries (Rivard et al, 2006), making it harder to prioritize newer and more sustainable drainage infrastructure.…”

Section: Introductionmentioning

confidence: 99%

Assessing the Flow Reduction of Low Impact Development Controls in a Residential Setting

Garbanzos

Maniquiz-Redillas

2022

J Appropr Technol

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The widespread development in recent years has resulted in the expansion of impervious surfaces, allowing runoff to accumulate and cause flooding issues. To reduce the impacts of runoff accumulation, the concept of low impact development (LID) has been adopted to restore the hydrological balance of urbanized areas. The objective of this study was to assess the flow reduction of the LID combinations in a residential park in Cavite, Philippines using Stormwater Management Model (SWMM). The 90<sup>th</sup> percentile of historical rainfall from the years 1975-2019 was used in the assessment. The bioretention (BR), infiltration trench (IT), and permeable pavement (PP) LID controls, which captured 43%, 42%, and 14% of the park area respectively, were selected for implementation alongside their different combinations. Results of this study have shown that most LID scenarios reached their maximum reduction capability once it takes up around 20-40% of the total available area. The highest reduction, at around 90%, was attained by the BR+IT+PP scenario. The use of the PP scenario, however, only yielded a 20% flow reduction due to its small capture area. Implementing LID controls in urbanized locations can help in reducing runoff buildup, thereby alleviating the potential impacts of flooding.

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Applying Stormwater Management Concepts in Tropical Countries

Cited by 7 publications

References 12 publications

Climate Change and Urban Hydrology: Research Needs in the Developed and Developing Worlds

Climate Change and Urban Hydrology: Research Needs in the Developed and Developing Worlds

A review of current knowledge and research priorities for conservation of lentic biodiversity in tropical wet and monsoonal urban landscapes

Assessing the Flow Reduction of Low Impact Development Controls in a Residential Setting

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