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Using LiDAR to Map Buildings for Sea-level Rise Scenarios

Using LiDAR to Map Buildings for Sea-level Rise Scenarios

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Lincoln County December 2012 to February 2013

The client: Lincoln County Regional Planning Commission (LCRPC)

The project: To study how public infrastructure may be affected by potential changes in rising sea levels during the next 100 years. By analyzing storm surge scenarios of 2 ft, 1 m, 6 ft, and 2 ft plus the February 1978 storm of record using state-acquired LiDAR topographic data to develop an accurately mapped highest annual tide (HAT), the LCRPC will study changes in the HAT based on the four sea-level rise scenarios. The analysis helps identify potential impacts on coastal wetlands; state, local and private roads; culverts; and coastal buildings and facilities, such as a sewage treatment plant.

Our work: KAPPA used its direct, immediate access to publicly available Northeast (NE) LiDAR data and produced criteria-based, building polygons mapped to locations in Lincoln County communities. KAPPA verified the data against the NAIP 2011 imagery, Google Earth imagery, and the NE LiDAR data itself. The LCRPC shared this accurate, relevant map data with scientists from the Maine Geological Survey, who developed the inundation studies.

Benefit: Lincoln County’s communities can develop sound strategies and adaptation planning to help mitigate the effects of rising sea levels on natural systems, public infrastructure and facilities in enclosed areas, as well as the open coast. The results of the study can help the LCRPC plan appropriately for existing and future development, including hazard planning for at-risk areas.

 
Aerial Imagery & Mapping
Aerial Imagery & Mapping photo
 
Softcopy Photogrammetry
Softcopy Photogrammetry photo
 
Digital Orthophotography
Digital Orthophotography
 
Geographic Information Systems
Geographic Information Systems