The Caribbean Landscape Cyborg: Designing Green Infrastructure for La Parguera, Puerto Rico

Czechowski, Daniel; Hauck, Thomas; Hausladen, Georg

doi:10.1201/b17639-25

Revising Green Infrastructure 2014

DOI: 10.1201/b17639-25

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The Caribbean Landscape Cyborg: Designing Green Infrastructure for La Parguera, Puerto Rico

Daniel Czechowski¹,

Thomas Hauck²,

Georg Hausladen³

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2023

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“…(McHarg, 1992;Terrasa-Soler, 2012). The schema guided the selection of potential sites for the location of various interventions and was used to zone the focus areas into low risk, moderate risk and high-risk areas.Development of Concept drawings -Combining a Living Labs approach with the concept-test model and analysis-synthesis approach as explained by…”

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confidence: 99%

Mitigating Perennial Floods in Cities of the Global South: A Nature Based Approach

Asiedu,

Nyarko

2023

Preprint

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The incidence of flooding in cities of the global south has become perennial with increasing urbanization, showing a lack of targeted approach to the challenge. The objective of this research was to develop a resilient and an integrated approach to stormwater management that could be used to inform policy. The Research for Design model was adopted using the Greater Accra Metropolitan Area (GAMA), Ghana as a case. Land cover types for three focal areas; Area1, Area2, and Area3, respectively 10.2 km2, 10.2 km2 and 10.5 km2 were extracted and combined with daily rainfall values to estimate direct runoff, using the Curve Number method. Eight [8] landcover types were extracted based on which percentage imperviousness was determined for Area1 (54.1%), Area2 (43.66%) and Area3 (22%). Area3 had more large roofs (≥ 81m2) averaging 248.5 m2 compared with Area2 (195.6 m 2) and Area1 (182.2 m2) but did not significantly impact runoff generation at 5%. Harvestable roof runoff for both small roofs (< 81m2) and large roofs (≥ 81m2) contributed 32.6% in Area1, 22.5% in Area2 and 14.7% in Area3, to runoff generation per rain event. The results suggests that retaining roof runoff at the plot level could significantly reduce stormwater runoff. To demonstrate this Living Labs concepts was combined with various design methods, aided by a schema to integratively design a selected site for roofwater harvesting for irrigation, storage for non-portable uses, infiltration to recharge groundwater and to create amenity values. The research contributes to knowledge by proposing a quantitative basis to target stormwater management at the plot level.

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confidence: 99%

Mitigating Perennial Floods in Cities of the Global South: A Nature Based Approach

Asiedu,

Nyarko

2023

Preprint

View full text Add to dashboard Cite

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The Caribbean Landscape Cyborg: Designing Green Infrastructure for La Parguera, Puerto Rico

Cited by 1 publication

References 1 publication

Mitigating Perennial Floods in Cities of the Global South: A Nature Based Approach

Mitigating Perennial Floods in Cities of the Global South: A Nature Based Approach

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