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Monday, October 17 • 4:15pm - 6:15pm
P04. (Poster Display) A Cartographic Analysis of Landcover Changes in Nauset Spit: 1947-2014

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AUTHORS: Corey Dickinson* and Mark Adams, Cape Cod National Seashore GIS Branch, NPS

ABSTRACT: The Nauset Marsh barrier beach spits are part of an Atlantic-facing estuarine system within Cape Cod National Seashore. Inlet migration and coastal retreat have resulted in enormous changes in land cover types at Nauset. In the past 70 years, approximately 150 meters of shoreline retreat and 2.5 kilometers northward inlet migration have been observed. A major redistribution in landcover was mapped in the marsh, including loss of salt marsh habitat connected to the spit. This study seeks understand what patterns may be present in this system and to quantify the effects of these patterns on salt marsh and dune environments. This project was conducted using GIS software to analyze various aerial photographs from between the years of 1947 and 2014, and using said software to classify various land cover types in the study area. This data has been compared in a time series, and has been used to analyze some of the major trends shaping the development of the spit. The results of this project are important not only for the general understanding of the Nauset Marsh system, but for the overall understanding of how Cape Cod’s salt marsh/barrier spit systems affect uses and management within Cape Cod National Seashore.

Monday October 17, 2016 4:15pm - 6:15pm
Ocean View Room

Attendees (2)