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Emerging Unmanned Aerial Remote Sensing System for Intertidal Zone Modeling: A Low-Cost Method of Collecting Remote Sensing Data for Modeling Short-Term Effects of Sea Level Rise, Part I: Raising Awareness

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Abstract:

One of the greatest challenges coastal regions of the world face is the threat of the rising sea. Current geospatial models of coastal areas at risk of inundation by sea level rise typically depict a 50-year timescale as data accurate enough to support shorter term predictions are lacking. We hypothesize that a geodetic-grade digital elevation model (DEM) of the intertidal zone overlaid onto a high precision model of the mean high water (MHW) tidal datum will allow for mapping the mean high-water line (MHWL) at an accuracy of less than 40 mm. This level of accuracy will allow the effects of sea level rise on property boundaries and infrastructure to be determined on a 20-year timescale. The focus of this paper is on the need for geodetic-grade elevation data and densely spaced tide level measurements for intertidal zone modeling. This level of detail is needed when mapping the MHWL; we demonstrate that existing data are insufficient to provide such detail. We demonstrate the potential for acquisition of elevation data necessary to produce such intertidal zone DEM with a remote sensing system carried by an unmanned aerial vehicle (UAV).

Keywords: INUNDATION; RIPARIAN BOUNDARIES; SEA LEVEL RISE; TIDAL DATUM; UNMANNED AERIAL VEHICLES

Document Type: Research Article

Publication date: September 1, 2010

More about this publication?
  • Surveying and Land Information Science (SaLIS) is the official publication of the American Association of Geodetic Surveying (AAGS) and the Geographic and Land Information Society (GLIS).

    SaLIS is a scientific journal devoted to reporting research and new work conducted to advance geodetic surveying, land surveying, large-scale mapping, and geographic information systems designed to advance the development and management of the cadastral parcel data layer and other land information applications. SaLIS publishes research articles, technical papers, technical notes, papers on the current state of surveying education, surveying history, book reviews, and current literature reviews. Every four years, the journal publishes the U.S. Report to the International Federation of Surveyors (FIG). The Proceedings of the Surveying Teachers Conference are published bi-annually.

    For information about AAGS visit www.aagsmo.org
    For information about GLIS visit www.g-lis.org

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