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A. C. G. Schimel, Rzhanov, Y., Fonseca, L., Mayer, L. A., and Immenga, D., “Combining angular and spatial information from multibeam backscatter data for improved unsupervised acoustic seabed segmentation”, Shallow Survey 2012. Wellington, New Zealand, 2012.
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.
C. Nellemann, Corcoran, E., Duarte, C. M., Valdes, L., DeYoung, C., Fonseca, L., and Grimsditch, G., “Blue Carbon: The role of healthy oceans in binding carbon”, 2010.PDF icon Nellemann_2010_BlueCarbon_book.pdf (17.54 MB)
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)
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.
L. Fonseca, Brown, C., Calder, B. R., Mayer, L. A., and Rzhanov, Y., “Angular Range Analysis of Acoustic Themes from Stanton Banks Ireland: A Link Between Visual Interpretation and Multibeam Echosounder Angular Signatures”, ACM Transactions on Applied Perception (TAP), vol. 70. Association for Computing Machinery (ACM), New York, NY, USA, pp. 1298-1304, 2009.PDF icon Fonseca_2009_AA_Angular_range_analysis_of_acoustic_themes_from_Stanton_Banks_Ireland.pdf (2.61 MB)
L. Fonseca, Rzhanov, Y., McGonigle, C., and Brown, C., “Automatic Construction of Acoustic Themes for Benthic Habitat Mapping at Stanton Banks, UK”, GeoHab. Trondheim, Trondheim, Norway, 2009.
L. Fonseca and Rzhanov, Y., “Automatic Construction of Acoustic Themes from Multibeam Backscatter Data”, Shallow Water Survey Conference (SWS). Durham, NH, USA, 2008.
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.
A. Trembanis, Hiller, T., Fonseca, L., and Mayer, L. A., “Going Autonomous Seafloor Mapping from an AUV, Recent Results and Challenges”, Shallow Water Survey Conference (SWS). Durham, NH, USA, 2008.
L. C. Huff, Fonseca, L., Hou, T., and McConnaughey, R., “A Workable Schema for Editing Multibeam Backscatter”, Shallow Water Survey Conference (SWS). Durham, NH, USA, 2008.
M. A. Malik, Mayer, L. A., Fonseca, L., Ward, L. G., Huff, L. C., and Calder, B. R., “Approaches and Requirements of Quantitative Comparison of the Multibeam Sonar Benthic Acoustic Backscatter”, Shallow Water Survey Conference (SWS). Durham, NH, USA, 2008.
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)
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.
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.
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.
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.
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.
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.
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.
L. Fonseca and Mayer, L. A., “Mapping Near-Surface Gas with Acoustic Remote Sensing Methods, Examples from Eel River Margin, CA and Skjalfandi Bay, Iceland”, U.S. Office of Naval Research (ONR). St. Louis, MO, USA, pp. 0-0, 2005.Image icon Fonseca_2005_Mapping_near-surface_gas.jpg (1.18 MB)
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.
L. Fonseca, Mayer, L. A., Kraft, B. J., Brandsdottir, B., and Richter, B., “AVO Analysis of Multibeam Backscatter, an Example from Little Bay, NH and Skjalfandi Bay, Iceland”, EOS Transactions, American Geophysical Union . San Francisco, CA, USA, pp. 0-0, 2004.Image icon Fonseca_2004_AVO_Analysis_of_backscatter_little_bay_Skjalfandi_bay.jpg (1.16 MB)
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.
B. R. Calder, Fonseca, L., and Francolin, J. B., “Automatic Estimation of the Seafloor Geomorphology of the Santos Basin, Brazil”, EOS Transactions, American Geophysical Union , vol. 83. San Francisco, CA, USA, pp. 0-0, 2002.Image icon Calder_2002_AGU_Automatic_estimation_seafloor_geomorphology.jpg (971.4 KB)
L. Fonseca, Miranda, F. P., and Beisl, C., “Multi-scale Visualization of Remote Sensing and Topographic Data of the Amazon Rain Forest”, EOS Transactions, American Geophysical Union . San Francisco, CA, USA, pp. 0-0, 2002.Image icon Fonseca_2002_Multi-scale_visualization_of_remote_sensing_Amazon_rain_forest.jpg (1.35 MB)
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.
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.
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.
L. Fonseca, “A Model for Backscattering Angular Response of Gassy Sediments: Applications to Petroleum Exploration and Development Programs”, University of New Hampshire, Durham, NH, 2001.PDF icon fonseca-luciano-thesis.pdf (12.73 MB)
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)
L. Fonseca, Mayer, L. A., Yun, J., Driscoll, N. W., and Orange, D., “Surficial Backscatter of the Eel River Margin: IT'S JUST GAS!”. 2001.Image icon Fonseca_2001_Surficial_backscatter_of_Eel_river_margin-its_just_gas.jpg (499.55 KB)
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.
L. Fonseca and Mayer, L. A., “Modeling High-Frequency Seafloor Backscattering of Gassy Sediments: The Eel River Margin Case”. 2000.Image icon Fonseca_2000_Modeling_high-frequency_seafloor_backscattering_of_grassy_sed.jpg (1.3 MB)
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.
F. P. Miranda, Fonseca, L., and Carr, J., “Semivariogram textural classification of JERS-1 (Fuyo-1) SAR data obtained over a flooded area of the Amazon rainforest”, International Journal of Remote Sensing, vol. 19. Taylor & Francis, pp. 549-556, 1998.
F. P. Miranda, Fonseca, L., Carr, J., and Taranik, J., “Analysis of JERS-1 SAR data for vegetation discrimination in northwestern Brasil using the semivariogram textural classifier (STC)”, International Journal of Remote Sensing, vol. 17. Taylor & Francis, pp. 3523-3529, 1996.
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.