Current Projects

Topographic Assessment of the Oculina Banks, Florida:

A GIS is being developed to characterize the habitats of the Oculina Banks. Using multi-media including side scan sonar, video, multibeam bathymetry and historical fish surveys, a habitat analysis is being performed to determine the health of the area. Results are being disseminated via cd-rom and Internet GIS. See for a complete description as well as GIS tools. Preliminary results can be found in:

Halls, Joanne N., 2004. The Oculina Banks Experimental Research Reserve: A Habitat Assessment Using Multi-Media and Internet GIS. In, World Minds: Geographical Perspectives on 100 Problems, AAG Centennial commemorative volume. D. G. Janelle, B. Warf, and K. Hansen (eds.), pp. 331-336.

Modeling Change in Back Barrier Marshes :

A GIS has been developed for Topsail and Masonboro Islands, in Southeastern North Carolina, to quantify change in the marsh habitats. Seven dates of high spatial resolution aerial photography, dating back to 1938, have been rectified, interpreted, and digitized to provide a series of temporal maps of the islands. GIS spatial analysis techniques have been utilized to quantify habitat change, develop spatial indices to model the potential for future change, and to investigate the geomorphological and topographical variability in the marsh habitats.

Matthew McCarthy, MS Marine Science, defended his thesis " Satellite Imagery Habitat Mapping and Change Assessment of Coastal Environments (Masonboro Island National Estuarine Research Reserve, North Carolina, USA)"Matt in the fieldUnsupervised classification

Halls, J.N., in press. Measuring Habitat Changes in Barrier Island Marshes: An Example from Southeastern North Carolina. In, Remote Sensing and Spatial Information Technologies for Coastal Ecosystem Assessment and Management: Principles and Applications, edited by X. Yang, in the series Lecture Notes in Geoinformation and Cartography. Springer-Verlag, Germany.

Halls, J.N. and L.M. Kraatz, 2006. A Spatio-Temporal Assessment of Back-Barrier Salt Marsh Change: A Comparison of Multidate Aerial Photography and Spatial Landscape Indices. In, International Society of Photogrammetry and Remote Sensing (ISPRS), Technical Commission 7, Mid-Term Symposium 2006: From Pixels to Processes, 8-11 May, 2006, Enschede, The Netherlands.

Halls, J.N. and L.M. Kraatz, 2006. Estimating Error and Uncertainty in Change Detection Analyses of Historical Aerial Photographs. In, Spatial Accuracy 2006, The 7th International Symposium on Spatial Accuracy Assessment in Natural Resources and Environmental Sciences, 5-7 July, 2006, Lisbon, Portugal.

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