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Quantifying Interior Coastal Marsh Loss along North Carolina at Mackay Island and Roanoke Marsh

NCSU NC Space Grant Consortium(7/01/17 - 4/01/18)

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Quantifying Interior Coastal Marsh Loss along North Carolina at Mackay Island and Roanoke Marsh

Sponsor: NCSU NC Space Grant Consortium

Start Date: 7/01/17

End Date: 4/01/18

Abstract

This program supports new faculty in NC universities conducting research aligned with NASA directives. The Science Mission Directive (SMD) of NASA supports research in the Earth Science Division developing a “scientific understanding of Earth’s system and its response to natural or human induced changes and to improve prediction of climate, weather, and natural hazards”. A key component is the use of satellite missions and remote sensing to understand the global scale of change over time. My research is focused on understanding and quantifying the amount of interior marsh degradation along North Carolinas coastal waterways focusing on Roanoke Marsh and Mackay island. I will use Google Earth Engine (GEE), a free cloud-based GIS software with access to multi-petabytes of satellite imagery and geospatial datasets, to map land loss on the marshes over the last 30 years. This work will support one graduate student for a summer project working in conjunction with an undergraduate researcher. Modifying existing codes within GEE, the students will focus on accurately tracking marsh loss. I would like to use this research within a larger context of understanding the primary drivers of land loss on marshes in North Carolina and helping to predict future rates of land loss along the coast. Ultimately, I want to suggest potential mitigation strategies to combat the marsh loss seen in these locations. That goal will entail field-based data collection and numerical modeling as part of a larger project. The hope is that this funding can lead to an initial dataset that has quantified land loss and hypothesized potential drivers of land loss. Then this research would be leveraged for further funding investigating how to fix the problem of large-scale land loss of marshes.

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