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Title: Coastal Hazards System–Puerto Rico and US Virgin Islands (CHS-PR)
Authors: Nadal-Caraballo, Norberto C.
Yawn, Madison C.
Aucoin, Luke A.
Carr, Meredith L.
Melby, Jeffrey A.
Ramos-Santiago, Efrain.
Garcia-Moreno, Fabian A.
Gonzalez, Victor M.
Massey, Thomas C.
Owensby, Margaret B.
Taflanidis, Alexandros A.
Kyprioti, Aikaterini P.
Cox, Andrew T.
Gonzalez-Lopez, Juan.
Keywords: Floods
Puerto Rico--Coasts
Risk assessment
Risk management
Storm surges
United States Virgin Islands--Coasts
Publisher: Engineer Research and Development Center (U.S.)
Series/Report no.: Technical Report (Engineer Research and Development Center (U.S.)) ; no. ERDC/CHL TR-22-23
Abstract: The South Atlantic Coastal Study (SACS) was completed by the US Army Corps of Engineers to quantify storm surge and wave hazards allowing for the expansion of the Coastal Hazards System (CHS) to the South Atlantic Division (SAD) domain. The goal of the CHS-SACS was to quantify coastal storm hazards for present conditions and future sea level rise (SLR) scenarios to aid in reducing flooding risk and increasing resiliency in coastal environments. CHS-SACS was completed for three regions within the SAD domain, and this report focuses on the Coastal Hazards System–Puerto Rico and US Virgin Islands (CHS-PR). This study applied the CHS Probabilistic Coastal Hazard Analysis (PCHA) framework for quantifying tropical cyclone (TC) responses, leveraging new atmospheric and hydrodynamic numerical model simulations of synthetic TCs developed explicitly for the CHS-PR region. This report focuses on documenting the PCHA conducted for CHS-PR, including the characterization of storm climate, storm sampling, storm recurrence rate estimation, marginal distributions, correlation and dependence structure of TC atmospheric-forcing parameters, development of augmented storm suites, and assignment of discrete storm weights to the synthetic TCs. As part of CHS-PR, coastal hazards were estimated for annual exceedance frequencies over the range of 10 yr⁻¹ to 10⁻⁴ yr⁻¹.
Description: Technical Report
Gov't Doc #: ERDC/CHL TR-22-23
Rights: Approved for Public Release; Distribution is Unlimited
Appears in Collections:Technical Report

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