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Journal Article
Y. Rzhanov, Fonseca, L., and Mayer, L. A., Construction of seafloor thematic maps from multibeam acoustic backscatter angular response data, Computers and Geosciences Journal. Elsevier, Cambridge, MA, USA, 2011.
Journal Article
L. Valdes, Fonseca, L., and Tedesco, K., Looking into the Future of Ocean Sciences: an IOC Perspective, Oceanography Magazine, vol. 23. The Oceanography Society, pp. 160-175, 2010.PDF icon Valdes_2010_OM_Looking_into_the_future_of_Ocean_Sciences.pdf (501.58 KB)
Conference Proceedings
L. C. Huff, Fonseca, L., Hou, T., and McConnaughey, R., Comparison Between Physical Sediment Samples and Grain-size Estimates from GeoCoder, International Hydrographic Conference (HYDRO). Cape Town, Western Cape, South Africa, 2009.
Y. Rzhanov, Fonseca, L., and Mayer, L. A., High-resolution Delineation of Acoustically Homogeneous Areas in Multibeam Backscatter Maps, Gulf of Maine Symposium. St. Andrews, New Brunswick, Canada, 2009.
Conference Abstract
L. Fonseca and Rzhanov, Y., Automatic Construction of Acoustic Themes from Multibeam Backscatter Data, Shallow Water Survey Conference (SWS). Durham, NH, USA, 2008.
Conference Proceedings
L. Fonseca, Robidoux, L., and Watt, G., A Qualitative Assessment of Two Multibeam Echo Sounder (MBES) Backscatter Analysis Approach, Canadian Hydrographic Conference (CHC). Victoria, British Columbia, Canada, p. 1, 2008.
Journal Article
A. A. Armstrong, Calder, B. R., Fonseca, L., Gardner, J. V., and Mayer, L. A., US UNCLOS Multibeam Data: The Processing of Multibeam Bathymetry and Backcatter, Hydro International, vol. 8. Geomatics Information & Trading Center - GITC, Lemmers, Amsterdam, The Netherlands, pp. 14-17, 2008.PDF icon Fonseca_al_2008_hydro_intl.pdf (1.42 MB)
Conference Proceedings
L. Fonseca and Calder, B. R., Clustering Acoustic Backscatter in the Angular Response Space, U.S. Hydrographic Conference (US HYDRO). Norfolk, VA, USA, pp. 0-0, 2007.
L. C. Huff and Fonseca, L., A Surprise Occurrence in Acoustic Bottom Backscatter Measurements Conducted in the Eastern Bering Sea, U.S. Hydrographic Conference (US HYDRO). Norfolk, VA, USA, pp. 0-0, 2007.
F. Pohner, Bakke, J., Nilsen, O., Kjaer, T., and Fonseca, L., Integrating Imagery from Hull Mounted Sidescan Sonars with Multibeam Bathymetry, U.S. Hydrographic Conference (US HYDRO). Norfolk, VA, USA, pp. 0-0, 2007.
Journal Article
L. Fonseca and Mayer, L. A., Remote estimation of surficial seafloor properties through the application Angular Range Analysis to multibeam sonar data, Marine Geophysical Researches, vol. 28. Springer Publisher, New York, NY, USA, pp. 119-126, 2007.
Conference Proceedings
L. Fonseca and Mayer, L. A., Multibeam Echo Sounding as a Tool for FIsheries Habitat Studies, American Geophysical Union (AGU). Acapulco, Acapulco, Mexico, pp. 1-2, 2007.PDF icon Mayer_08_MHMT_Multibeam_echo_sounding.pdf (263.36 KB)
L. Fonseca and Calder, B. R., Experiments for multibeam Backscatter Adjustments on the NOAA Ship FAIRWEATHER, IEEE Oceans. Boston, MA, USA, pp. 0-0, 2006.
A. A. Armstrong, Mayer, L. A., Mr. Case, J. D., and Fonseca, L., New Multibeam Mapping of the Gulf of Maine, GIS Conference. Cambridge, MA, USA, 2006.
L. Fonseca, Acoustic Backscatter and Remote Seafloor Characterization, International Marine Technicians Symposium (INMARTECH). Woods Hole, MA, USA, 2006.
L. Fonseca and Calder, B. R., Geocoder: An Efficient Backscatter Map Constructor, U.S. Hydrographic Conference (US HYDRO). San Diego, CA, USA, pp. 0-0, 2005.
Report
L. A. Mayer, Fonseca, L., and Kraft, B. J., Measurement of InSitu Acoustic Properties for the ONR Geoclutter Program, Annual Report, Geoclutter Program, University of New Hampshire (UNH), Center for Coastal and Ocean Mapping (CCOM)/Joint Hydrographic Center (JHC), 2005.
Conference Proceedings
L. Fonseca, Mayer, L. A., and Kraft, B. J., Seafloor Characterization Through the Application of AVO Analysis to Multibeam Sonar Data, University of Bath Boundary Influences in High Frequency Shallow Water Acoustics. Bath, UK, UK, pp. 0-0, 2005.
B. J. Kraft, Ressler, J., Mayer, L. A., Fonseca, L., and McGillicuddy, G., Insitu Measurement of Sediment Acoustic Properties, International Conference for Underwater Acoustic Measurements (ICUAM). Heraklion, Crete, Greece, pp. 0-0, 2005.
Report
L. A. Mayer, Kraft, B. J., and Fonseca, L., Measurement of In Situ Acoustic Properties for the ONR Geoclutter Program, University of New Hampshire (UNH), Center for Coastal and Ocean Mapping (CCOM)/Joint Hydrographic Center (JHC), 2004.
Conference Proceedings
L. Fonseca and Mayer, L. A., Detection Near-surface Gas with Acoustic Remote Sensing Data, Latin-American Congress on Organic Geochemistry (LACOG). Cartagena, Cartagena, Columbia, pp. 0-0, 2002.
Book Section
L. Fonseca, Mayer, L. A., and Paton, M., ArcView Objects in the Fledermaus Interactive 3-D Visualization System: Examples from the STRATAFORM GIS, in Undersea with GIS, no. D. Wright, Redlands, CA, USA: ESRI Press, 2001, p. 23.
Journal Article
L. Fonseca, Mayer, L. A., Orange, D., and Driscoll, N. W., The High Frequency Backscattering Angular Response of Gassy Sediments: Model/Data Comparisons from the Eel River Margin, California, Journal of the Acoustical Society of America, vol. 111. Acoustical Society of America, Melville, NY, USA, pp. 2621-2631, 2001.
Conference Proceedings
L. A. Mayer, Fonseca, L., Ware, C., Paton, M., Gee, L., Gardner, J. V., and Orange, D., Interactive 3-D Visualization and Exploration of Deepwater Geohazards, Offshore Technology Conference (OTC). Houston, TX, USA, pp. 0-11, 2001.
Poster - Conference
L. A. Mayer, Fonseca, L., Paton, M., McLeod, P., and Jakobsson, M., The STRATAFORM GIS: Interactive Exploration in 2 and 3 Dimensions, EOS Transactions, American Geophysical Union , vol. 82. San Francisco, CA, USA, pp. 0-0, 2001.Image icon Mayer_2001_AGU_Strataform_GIS-Interactive_exploration_2_and_3_Dimensions.jpg (520.58 KB)
Conference Abstract
B. R. Calder, Rzhanov, Y., Fonseca, L., Mayer, L. A., and Flood, R. D., Statistical Processing of Multibeam Sonar Data from SAX-99, EOS Transactions, American Geophysical Union , vol. 81. San Francisco, CA, USA, pp. 0-0, 2000.
L. Fonseca and Mayer, L. A., Modeling High-Frequency Seafloor Backscattering of Gassy Sediments: The Eel River Margin Case, EOS Transactions, American Geophysical Union , vol. 81. San Francisco, CA, USA, pp. 0-0, 2000.
Conference Proceedings
L. A. Mayer, Fonseca, L., Pacheco, M., Galway, S., Martinez, J., and Hou, T., The STRATAFORM GIS, U.S. Office of Naval Research (ONR). St. Andrews, New Brunswick, Canada, pp. 0-0, 1999.
N. W. Driscoll, Orange, D., Fonseca, L., and Mayer, L. A., High Resolution Side-Scan and Seismic Images of Landslides on the Northern California Continental Shelf, American Geophysical Union (AGU). San Francisco, CA, USA, pp. 0-0, 1998.
Conference Proceedings
L. Fonseca, Correções radiométricas dos dados sonográficos da Bacia de Campos (Radiometric Corrections of sidescan sonar data from Campos Basin.), Brazilian Symposium of Remote Sensing (BSRS). Salvador, Bahia, Brazil, pp. 0-0, 1996.
F. P. Miranda, Bentz, C., Fonseca, L., and Almeida, R., Research Cooperation Between the National Space Development Agency of Japan and Petrobras for Monitoring a Tropical Rain Forest Environment using JERS-1 Sar Data: Preliminary Results of Geologic Studies, Brazilian Symposium of Remote Sensing (BSRS). Salvador, Bahia, Brazil, pp. 647-648, 1996.
P. Piauilino, Fonseca, L., and Maldonado, P., Acquisition of sonography, bathymetric and high-frequency profile data in Campos Basin, International Congress of Geophysics. Rio de Janeiro, Rio de Janeiro, Brazil, 1995.
L. Fonseca and Carrasco, B., Aplicação de geoprocessamento, processamento digital de imagens e fotogrametria terrestre no rastreamento litofaciológico de afloramentos (Use of geoprocessing, digital image processing and terrestrial photogrametry for tracing lithof, Brazilian Symposium of Quantification on Geosciences (BSQG). Rio Claro, Sao Paulo, Brazil, pp. 0-0, 1995.
L. Fonseca and Carrasco, B., 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, UK, 1995.
C. Bentz, Fonseca, L., Miranda, F. P., and Cunha, F., The GIS and image processing state of the art in PETROBRAS, International Symposium on Resource and Environmental Monitoring. Rio de Janeiro, Rio de Janeiro, Brazil, 1994.