Publications

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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.
Conference Abstract
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 Rzhanov, Y., Automatic Construction of Acoustic Themes from Multibeam Backscatter Data, 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.
Calder, Brian R., 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.
M. A. Malik, Mayer, L. A., Fonseca, L., Ward, L. G., Huff, L. C., and Calder, Brian R., Approaches and Requirements of Quantitative Comparison of the Multibeam Sonar Benthic Acoustic Backscatter, Shallow Water Survey Conference (SWS). Durham, NH, USA, 2008.
A. C. 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.
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.
Conference Poster
Calder, Brian R., 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. Calder_2002_AGU_Automatic_estimation_seafloor_geomorphology.jpg (971.4 KB)
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. Fonseca_2004_AVO_Analysis_of_backscatter_little_bay_Skjalfandi_bay.jpg (1.16 MB)
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. Fonseca_2005_Mapping_near-surface_gas.jpg (1.18 MB)
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. Fonseca_2002_Multi-scale_visualization_of_remote_sensing_Amazon_rain_forest.jpg (1.35 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. Mayer_2001_AGU_Strataform_GIS-Interactive_exploration_2_and_3_Dimensions.jpg (520.58 KB)
Conference Proceedings
L. Fonseca, Acoustic Backscatter and Remote Seafloor Characterization, International Marine Technicians Symposium (INMARTECH). Woods Hole, MA, USA, 2006.
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.
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.
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, 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.
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.
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. A. Mayer, Fonseca, L., Ware, C., Paton, M., Gee, L., Gardner, James 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 and Calder, Brian R., Geocoder: An Efficient Backscatter Map Constructor, U.S. Hydrographic Conference (US HYDRO). San Diego, CA, USA, 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.
Armstrong, Andrew A, 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 and Calder, Brian R., Clustering Acoustic Backscatter in the Angular Response Space, U.S. Hydrographic Conference (US HYDRO). Norfolk, VA, USA, pp. 0-0, 2007.
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, Edinburgh, UK, pp. 0-0, 1995.
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.
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, 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.
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.
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.
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.
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.
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 Calder, Brian R., Experiments for multibeam Backscatter Adjustments on the NOAA Ship FAIRWEATHER, IEEE Oceans. Boston, MA, USA, pp. 0-0, 2006.
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 Mayer, L. A., Multibeam Echo Sounding as a Tool for FIsheries Habitat Studies, American Geophysical Union (AGU). Acapulco, Acapulco, Mexico, pp. 1-2, 2007. Mayer_08_MHMT_Multibeam_echo_sounding.pdf (263.36 KB)
Journal Article
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, 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.
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.
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, Brown, C., Calder, Brian 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. Fonseca_2009_AA_Angular_range_analysis_of_acoustic_themes_from_Stanton_Banks_Ireland.pdf (2.61 MB)
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.
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. Valdes_2010_OM_Looking_into_the_future_of_Ocean_Sciences.pdf (501.58 KB)
A. C. G. Schimel, Rzhanov, Y., Fonseca, L., Mayer, L. A., Healy, T. R., and Immenga, D., Unsupervised acoustic seabed classification combining angular and spatial information from multibeam backscatter data, Estuarine, Coastal and Shelf Science Journal. Elsevier.
Armstrong, Andrew A, Calder, Brian R., Fonseca, L., Gardner, James 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. Fonseca_al_2008_hydro_intl.pdf (1.42 MB)