Increasing flooding hazard in coastal communities due to rising sea level: Case study of Miami Beach, Florida

Shimon Wdowinski, Ronald Bray, Benjamin Kirtman, Zhaohua Wu

Research output: Contribution to journalArticle

36 Citations (Scopus)

Abstract

Sea level rise (SLR) imposes an increasing flooding hazard on low-lying coastal communities due to higher exposure to high-tide conditions and storm surge. Additional coastal flooding hazard arises due to reduced effectiveness of gravity-based drainage systems to drain rainwater during heavy rain events. Over the past decade, several coastal communities along the US Atlantic coast have experienced an increasing rate of flooding events. In this study, we focus on the increasing flooding hazard in Miami Beach, Florida, which has caused severe property damage and significant disruptions to daily life. We evaluate the flooding frequency and its causes by analyzing tide and rain gauge records, media reports, insurance claims, and photo records from Miami Beach acquired during 1998-2013. Our analysis indicates that significant changes in flooding frequency occurred after 2006, in which rain-induced events increased by 33% and tide-induced events increased by more than 400%. We also analyzed tide gauge records from Southeast Florida and detected a decadal-scale accelerating rates of SLR. The average pre-2006 rate is 3 ± 2 mm/yr, similar to the global long-term rate of SLR, whereas after 2006 the average rate of SLR in Southeast Florida rose to 9 ± 4 mm/yr. Our results suggest that engineering solutions to SLR should rely on regional SLR rate projections and not only on the commonly used global SLR projections.

Original languageEnglish (US)
Pages (from-to)1-8
Number of pages8
JournalOcean and Coastal Management
Volume126
DOIs
StatePublished - Jun 1 2016

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sea level
beaches
beach
flooding
hazard
case studies
tides
tide
rain
rain gauges
drainage systems
tide gauge
insurance
storm surge
sea level rise
rising sea level
gauges
rainwater
gravity
drain

Keywords

  • EEMD
  • Flooding hazard
  • Sea level rise
  • Southeast Florida
  • Tide gauge record

ASJC Scopus subject areas

  • Management, Monitoring, Policy and Law
  • Aquatic Science
  • Oceanography

Cite this

Increasing flooding hazard in coastal communities due to rising sea level : Case study of Miami Beach, Florida. / Wdowinski, Shimon; Bray, Ronald; Kirtman, Benjamin; Wu, Zhaohua.

In: Ocean and Coastal Management, Vol. 126, 01.06.2016, p. 1-8.

Research output: Contribution to journalArticle

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