Authors : Michael L. Hackett

Volume/Issue : Volume 9 - 2024, Issue 2 - February

Google Scholar : http://tinyurl.com/4puepxwx

Scribd : http://tinyurl.com/bdfsxnre

DOI : https://doi.org/10.5281/zenodo.10700039

Abstract : This study examines the recurrent issue of flooding in various regions of Guyana during the biannual rainy season and proposes strategies to enhance water resilience and mitigate the impact of flooding. The affected areas experience floods of varying depths during heavy rainfall events. These floods disrupt human activities, resulting in substantial economic losses across residential, commercial, agricultural, and industrial sectors. This study delves into the historical context of drainage systems established by European colonizers and plantation owners, originally designed for optimal drainage under specific rainfall conditions. The study underscores the vulnerability of these systems to “short duration high-intensity rainfall” which leads to pluvial flooding. Two case studies, focusing on Black Bush Polder and John’s-Port Mourant, provide detailed insight into flooding scenarios and their causes. Inadequate drainage capacities, siltation, and canal networks are identified as factors contributing to flooding. The study emphasizes the need for maintaining efficient and clean drainage infrastructure to prevent flood exacerbation. In response to the challenges of flooding, the study recommends a multi-pronged approach to building water resilience. Strategies include educating the population about flood risks, implementing warning systems, maintaining emergency supplies, enforcing building codes for flood resilience, designing permeable urban areas, and modernizing drainage systems. The study concludes that while flooding cannot be eliminated, a combination of resilient infrastructure, community awareness, and innovative technologies can significantly mitigate its adverse effects. By implementing these measures, Guyana can achieve enhanced water resilience and be better prepared for flood challenges.

Keywords : Cusecs (Cubic Feet Per Second), Discharge Capacity, Drainage And Irrigation Area, Pluvial Flooding, Pooling, Drainage Coefficient, Short Duration High- Intensity Rainfall.