Wilmington and DNREC Release City Climate Change Report

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A report has been released on the climate change issues facing Wilmington.

Mayor Mike Purzycki, the Delaware Department of Natural Resources and Wilmington City Public Works Commissioner Kelly Williams announced the release of the report and a
New website.

Brandywine Creek flooding from the remnants of Hurricane Ida led to water rescues and people being forced from their homes. (photo by City of Wilmington)

Goals

  • Incentivize and encourage smart and resilient economic growth for the City of Wilmington.
  • Ensure that sewer and stormwater infrastructure can provide the same level of service in the future as it does today through traditional and innovative green solutions.
  • Develop a transportation system with a smaller environmental footprint while protecting infrastructure from the risks posed by climate change.
  • Work with city partners to connect residents to resources that will help them stay safe from the risk posed by climate change.

A significant portion of Wilmington lies within the 100-year-old floodplain. These areas include the Port of Wilmington, the Southbridge neighborhood, the 7th Street Peninsula, and parts of Riverside and Price’s Run. Flooding has been reported in these areas.

The study shows that the floodplain expands as sea levels rise and concludes that the entire city will eventually feel the effects of rising temperatures and changes in rainfall patterns associated with climate change.

Purzycki said Wilmington’s vulnerability to climate change is apparent in increased local flooding in recent years caused by heavier rainfall and higher tides.

The mayor said he was committed to building the city’s resilience in its future policies, planning and budgeting.

Residents and businesses are asked to do the following:

  • Visit website here to learn more about the resilient wilmington to plan.
  • Walk, cycle or use public transport to reduce air pollution.
  • Purchase and maintain flood insurance, even if your property is outside the floodplain, because wherever it can rain, there can be flooding. Nationally, more than 40% of recent flood insurance claims are from properties outside of the designated floodplain.
  • Add rain gardens or other planters to your property to help catch rainfall.
  • Creation of an emergency plan.
  • Attend community meetings and make your voice heard.

Other observations

Delaware is tied with Arizona as the fourth fastest warming state in the United States based on temperature trends since 1970 and is expected to warm another 1.5 to 2.5 degrees by 2039 Wilmington has already seen an increase of almost three more calendar days above 90 since 1970, and dangerously hot days are expected to increase from 5-6 days in 2017 to 22-48 days in 2100.

Over the past few decades, Delaware has experienced minimal changes in precipitation totals. The impact of climate change on precipitation varies. However, in the future, average annual precipitation in Delaware is projected to increase by 10% by the end of the century, with seasonal changes in precipitation expected to see the greatest increase in winter.

The DNREC Coastal Program projected sea level rise of 1.7 to 5 feet by the year 2100. In addition to Delaware’s low topography, the state is experiencing subsidence or sinking. The current rate of land subsidence is 1.5mm per year to 3mm per year, the highest on the Atlantic coast.

This resilient wilmington The study was compiled with funding from the Delaware Division of Natural Resources and Environmental Control (DNREC) Climate, Coastal, and Energy Sustainable Communities Planning Grant and support from the Department Wilmington Public Works. Funding for the grant was made possible through the Regional Greenhouse Gas Initiative (RGGI), a multi-state carbon dioxide (CO2) cap and trade program aimed at reducing greenhouse gas emissions. carbon dioxide from the electricity sector.

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