Publications

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Fonseca, L., & Mayer, L. A.. (2000). Modeling High-Frequency Seafloor Backscattering of Gassy Sediments: The Eel River Margin Case. EOS Transactions, American Geophysical Union . presented at the Dec 15 - Dec 19, San Francisco, CA, USA.
Fonseca, L. (2006). Acoustic Backscatter and Remote Seafloor Characterization. International Marine Technicians Symposium (INMARTECH). presented at the Oct 17 - Oct 19, Woods Hole, MA, USA.
Fonseca, L., & Rzhanov, Y.. (2008). Automatic Construction of Acoustic Themes from Multibeam Backscatter Data. Shallow Water Survey Conference (SWS). presented at the Oct 21 - Oct 24, Durham, NH, USA.
Bentz, C., Fonseca, L., Miranda, F. P., & Cunha, F.. (1994). The GIS and image processing state of the art in PETROBRAS. International Symposium on Resource and Environmental Monitoring. presented at the Sep 26 - Sep 30, Rio de Janeiro, Rio de Janeiro, Brazil.
Huff, L. C., & Fonseca, L.. (2007). A Surprise Occurrence in Acoustic Bottom Backscatter Measurements Conducted in the Eastern Bering Sea. U.S. Hydrographic Conference (US HYDRO). presented at the May 14 - May 18, Norfolk, VA, USA.
Huff, L. C., Fonseca, L., Hou, T., & McConnaughey, R.. (2008). A Workable Schema for Editing Multibeam Backscatter. Shallow Water Survey Conference (SWS). presented at the Oct 21 - Oct 24, Durham, NH, USA.
Mayer, L. A., Fonseca, L., & Kraft, B. J.. (2005). Measurement of InSitu Acoustic Properties for the ONR Geoclutter Program, Annual Report, Geoclutter Program. Center for Coastal and Ocean Mapping (CCOM)/Joint Hydrographic Center (JHC): University of New Hampshire (UNH).
Rzhanov, Y., Fonseca, L., & Mayer, L. A.. (2009). High-resolution Delineation of Acoustically Homogeneous Areas in Multibeam Backscatter Maps. Gulf of Maine Symposium. presented at the Oct 4 - Oct 9, St. Andrews, New Brunswick, Canada.
Mayer, L. A., Fonseca, L., Ware, C., Paton, M., Gee, L., Gardner, J. V., & Orange, D.. (2001). Interactive 3-D Visualization and Exploration of Deepwater Geohazards. Offshore Technology Conference (OTC). presented at the May 3 - May 6, Houston, TX, USA.
Fonseca, L., & Calder, B. R.. (2005). Geocoder: An Efficient Backscatter Map Constructor. U.S. Hydrographic Conference (US HYDRO). presented at the Mar 29 - Mar 31, San Diego, CA, USA.
Kraft, B. J., Ressler, J., Mayer, L. A., Fonseca, L., & McGillicuddy, G.. (2005). Insitu Measurement of Sediment Acoustic Properties. International Conference for Underwater Acoustic Measurements (ICUAM). presented at the Jun 28 - Jul 1, Heraklion, Crete, Greece.
Calder, B. R., Rzhanov, Y., Fonseca, L., Mayer, L. A., & Flood, R. D.. (2000). Statistical Processing of Multibeam Sonar Data from SAX-99. EOS Transactions, American Geophysical Union . presented at the Dec 15 - Dec 19, San Francisco, CA, USA.
Armstrong, A. A., Mayer, L. A., Mr. Case, J. D., & Fonseca, L.. (2006). New Multibeam Mapping of the Gulf of Maine. GIS Conference. presented at the Apr 11 - Apr 11, Cambridge, MA, USA.
Fonseca, L., & Calder, B. R.. (2007). Clustering Acoustic Backscatter in the Angular Response Space. U.S. Hydrographic Conference (US HYDRO). presented at the May 14 - May 18, Norfolk, VA, USA.
Trembanis, A. C., Hiller, T., Fonseca, L., & Mayer, L. A.. (2008). Going Autonomous Seafloor Mapping from an AUV, Recent Results and Challenges. Shallow Water Survey Conference (SWS). presented at the Oct 21 - Oct 24, Durham, NH, USA.
Fonseca, L., & Carrasco, B.. (1995). Use of geographical information system, digital image processing and terrestrial photogrametry for tracing elements and lithofacies on outcrop images. Herriot-Watt and Stanford University Reservoir Description Forum (HWSURDF). Edinburgh, Edinburgh, UK.
Pohner, F., Bakke, J., Nilsen, O., Kjaer, T., & Fonseca, L.. (2007). Integrating Imagery from Hull Mounted Sidescan Sonars with Multibeam Bathymetry. U.S. Hydrographic Conference (US HYDRO). presented at the May 14 - May 18, Norfolk, VA, USA.
Mayer, L. A., Kraft, B. J., & Fonseca, L.. (2004). Measurement of In Situ Acoustic Properties for the ONR Geoclutter Program. Center for Coastal and Ocean Mapping (CCOM)/Joint Hydrographic Center (JHC): University of New Hampshire (UNH).
Piauilino, P., Fonseca, L., & Maldonado, P.. (1995). Acquisition of sonography, bathymetric and high-frequency profile data in Campos Basin. International Congress of Geophysics. presented at the Aug 20 - Aug 24, Rio de Janeiro, Rio de Janeiro, Brazil.
Fonseca, L., Robidoux, L., & Watt, G.. (2008). A Qualitative Assessment of Two Multibeam Echo Sounder (MBES) Backscatter Analysis Approach. Canadian Hydrographic Conference (CHC). presented at the May 5 - May 8, Victoria, British Columbia, Canada.
Huff, L. C., Fonseca, L., Hou, T., & McConnaughey, R.. (2009). Comparison Between Physical Sediment Samples and Grain-size Estimates from GeoCoder. International Hydrographic Conference (HYDRO). presented at the Nov 10 - Nov 12, Cape Town, Western Cape, South Africa.
Mayer, L. A., Fonseca, L., Pacheco, M., Galway, S., Martinez, J., & Hou, T.. (1999). The STRATAFORM GIS. U.S. Office of Naval Research (ONR). St. Andrews, New Brunswick, Canada.
Fonseca, L., & Mayer, L. A.. (2002). Detection Near-surface Gas with Acoustic Remote Sensing Data. Latin-American Congress on Organic Geochemistry (LACOG). presented at the Oct 20 - Oct 24, Cartagena, Cartagena, Columbia.
Fonseca, L., Mayer, L. A., & Kraft, B. J.. (2005). Seafloor Characterization Through the Application of AVO Analysis to Multibeam Sonar Data. University of Bath Boundary Influences in High Frequency Shallow Water Acoustics. presented at the Sep 5 - Sep 9, Bath, UK, UK.
Fonseca, L., & Calder, B. R.. (2006). Experiments for multibeam Backscatter Adjustments on the NOAA Ship FAIRWEATHER. IEEE Oceans. presented at the Sep 18 - Sep 22, Boston, MA, USA.
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