Hexbyte Glen Cove Two dead, hundreds flee floods in Philippine storm thumbnail

Hexbyte Glen Cove Two dead, hundreds flee floods in Philippine storm

Hexbyte Glen Cove

People push a half-submerged tricycle through a flooded street in Agusan del Sur province in Mindanao

At least two people were killed and hundreds forced to flee their inundated homes in the Philippines as torrential rain triggered flooding and landslides in the storm-battered archipelago, officials said Saturday.

Huge waves smashed into a coastal village on Lapu-Lapu island in the central province of Cebu on Friday night, wiping out dozens of houses and leaving around 290 people homeless, Mayor Junard Chan said on Facebook.

Photos posted online by the mayor showed piles of wood and bamboo near the few houses still standing after the region was drenched by heavy rain.

Rescuers retrieved the bodies of two who were killed when a landslide hit an area of Mahaplag town before dawn in the nearby province of Leyte, police officer Racquel Hernandez said.

A boy was also pulled from the rubble of his home and treated for his injuries, Hernandez told AFP.

About 1,500 people were forced to leave their homes on the major southern island of Mindanao as floodwaters engulfed 13 villages, the National Disaster Risk Reduction and Management Council said.

The Philippines is hit by an average of 20 storms and typhoons every year, which typically wipe out harvests, homes and infrastructure in already impoverished areas.

The latest storm comes after a succession of typhoons in recent months pummelled the country, taking the lives 148 people, destroying hundreds of thousands of houses, wrecking cash crops and leaving swathes of the country without power.



© 2020 AFP

Citation:
Two dead, hundreds flee floods in Philippine storm (2020, December 19)
retrieved 19 December 2020
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Hexbyte Glen Cove Once in a lifetime floods to become regular occurrences by end of century thumbnail

Hexbyte Glen Cove Once in a lifetime floods to become regular occurrences by end of century

Hexbyte Glen Cove

Sea level rise scenarios have a 50% and 5% chance of exceedance in the mid-twenty-first century (panels a and b) and the late-twenty-first century (panels c and d). Areas in dark and light blue cover flooded areas. Credit: Stevens Institute of Technology

Superstorm Sandy brought flood-levels to the New York region that had not been seen in generations. Causing an estimated $74.1 billion in damages, it was the fourth-costliest U.S. storm behind Hurricane Katrina in 2005 and hurricanes Harvey and Maria in 2017 according to the National Oceanic and Atmospheric Administration. Now, due to the impact of climate change, researchers at Stevens Institute of Technology have found that 100-year and 500-year flood levels could become regular occurrences for the thousands of homes surrounding Jamaica Bay, New York by the end of the century.

The study, led by Reza Marsooli, assistant professor of civil, environmental and ocean engineering at Stevens, can help policymakers and the coastal municipality of Jamaica Bay make decisions on whether to apply coastal flood defenses or other planning strategies or policies for reducing future risk. It also provides an example of the extent of how coastal flooding will increase in the future across the New York region and other areas due to the impacts of .

“While this study was specific to Jamaica Bay, it shows how drastic and costly of an impact that climate change will make,” said Marsooli, whose work appears in the Nov. 26 issue of Climatic Change. “The framework we used for this study can be replicated to demonstrate how flooding in other regions will look by the end of the to help them mitigate risk and best protect communities and assets in impacted areas.”

Based on the anticipated greenhouse gas concentration by the end of the 21st century, Marsooli and his co-author Ning Lin, from Princeton University, conducted high resolution simulations for different scenarios to find the probability of different flood levels being reached, assuming emissions remain at a high level. They studied how and hurricane climatology change would impact the area in the future due to storm surge and wave hazards.

Marsooli and Lin found that the historical 100-year flood level would become a nine-year flood level by mid-century (2030-2050) and a one-year flood level by late 21st century (2080-2100). Most recently reached by Superstorm Sandy, 500-year flood levels would become a 143-year flood level, and then a four-year flood level by the end of the century. Additionally, would result in larger waves which could lead to more hazards such as erosion and damage to coastal infrastructure.

“Future projections of the hurricane climatology suggest that climate change would lead to storms that move more slowly and are more intense than we have ever seen before hitting Jamaica Bay,” said Marsooli. “But the increase in these once-in-a-generation or even less frequent floods is so dramatic because the impact of sea-level rise will create greater flooding, even if the storms we were seeing today stayed the same.”



More information:
Reza Marsooli et al, Impacts of climate change on hurricane flood hazards in Jamaica Bay, New York, Climatic Change (2020). DOI: 10.1007/s10584-020-02932-x

Citation:
Once in a lifetime floods to become regular occurrences by end of century (2020, December 3)
retrieved 3 December 2020
from https://phys.org/news/2020-12-lifetime-regular-occurrences-century.html

This document is subject to copyright. Apart from any fair dealing for the purpose of private study or research, no
part may be reproduced without the written permission. The content is provided for information purposes only.

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