Assessing the Effects of Rising Groundwater from Sea Level Rise on the Service Life of Pavements in Coastal Road Infrastructure
University of New Hampshire: Jayne F. Knott, Mohamed Elshaer, Jo Sias Daniel, Jennifer M. Jacobs, and Paul Kirshen
We know that coastal communities are vulnerable to the effects of sea-level rise caused by climate change. Sea-levels are projected to rise by 3.9 to 6.6 ft in New Hampshire by 2100. And while time and funding has been given to studying the effects on surface flooding; groundwater is also expected to rise with sea-level rise and will impact roads along the coast. Fortunately some are starting to look at groundwater. A team from UNH developed a regional groundwater flow model of coastal New Hampshire used to identify road infrastructure expected to be impacted. This study will enable engineers to target coastal road adaptation project effectively and result in significant cost savings compared to implementation of broad adaptation projects or the costs of no action.
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NH Coastal Adaptation Workgroup #KingTideNH2017 Photo Contest
Each year, the NH Coastal Adaptation Workgroup invites citizens to grab their cameras and document extreme high tides during its annual King Tide Photo Contest to raise awareness of New Hampshire’s rising tides. A King Tide occurs when the moon, Earth, and sun are aligned, and the Sun’s gravity helps tug on the oceans a little more, causing the tides to be higher. These extreme high tides give us a glimpse what sea-level rise will look like in our region. Photographing King Tides is an effective way to help coastal communities identify areas prone to flooding, visualize potential impacts of sea-level rise, and start planning for the future.
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