Publications

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Conference Abstract
Huff LC, Fonseca L, Hou T, McConnaughey R. A Workable Schema for Editing Multibeam Backscatter. 5thth ed. Shallow Water Survey Conference (SWS). Durham, NH, USA; 2008.
Calder BR, Rzhanov Y, Fonseca L, Mayer LA, Flood RD. Statistical Processing of Multibeam Sonar Data from SAX-99. EOS Transactions, American Geophysical Union . San Francisco, CA, USA; 2000. p. 0-0.
Malik MA, Mayer LA, Fonseca L, Ward LG, Huff LC, Calder BR. Approaches and Requirements of Quantitative Comparison of the Multibeam Sonar Benthic Acoustic Backscatter. 5thth ed. Shallow Water Survey Conference (SWS). Durham, NH, USA; 2008.
Trembanis AC, Hiller T, Fonseca L, Mayer LA. Going Autonomous Seafloor Mapping from an AUV, Recent Results and Challenges. 5thth ed. Shallow Water Survey Conference (SWS). Durham, NH, USA; 2008.
Fonseca L, Mayer LA. Modeling High-Frequency Seafloor Backscattering of Gassy Sediments: The Eel River Margin Case. EOS Transactions, American Geophysical Union . San Francisco, CA, USA; 2000. p. 0-0.
Fonseca L, Rzhanov Y. Automatic Construction of Acoustic Themes from Multibeam Backscatter Data. 5thth ed. Shallow Water Survey Conference (SWS). Durham, NH, USA; 2008.
Schimel ACG, Rzhanov Y, Fonseca L, Mayer LA, Immenga D. Combining angular and spatial information from multibeam backscatter data for improved unsupervised acoustic seabed segmentation [Internet]. Shallow Survey 2012. Wellington, New Zealand; 2012. http://www.conference.co.nz/shallowsurvey
Conference Proceedings
Fonseca L, 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; 1995. p. 0-0.
Fonseca L. 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; 1996. p. 0-0.
Driscoll NW, Orange D, Fonseca L, Mayer LA. High Resolution Side-Scan and Seismic Images of Landslides on the Northern California Continental Shelf. American Geophysical Union (AGU). San Francisco, CA, USA; 1998. p. 0-0.
Rzhanov Y, Fonseca L, Mayer LA. High-resolution Delineation of Acoustically Homogeneous Areas in Multibeam Backscatter Maps. Gulf of Maine Symposium. St. Andrews, New Brunswick, Canada; 2009.
Mayer LA, Fonseca L, Ware C, Paton M, Gee L, Gardner JV, et al.. Interactive 3-D Visualization and Exploration of Deepwater Geohazards. Offshore Technology Conference (OTC). Houston, TX, USA; 2001. p. 0-11.
Fonseca L, Calder BR. Geocoder: An Efficient Backscatter Map Constructor. U.S. Hydrographic Conference (US HYDRO). San Diego, CA, USA; 2005. p. 0-0.
Kraft BJ, Ressler J, Mayer LA, Fonseca L, McGillicuddy G. Insitu Measurement of Sediment Acoustic Properties. International Conference for Underwater Acoustic Measurements (ICUAM). Heraklion, Crete, Greece; 2005. p. 0-0.
Armstrong AA, Mayer LA, Mr. Case JD, Fonseca L. New Multibeam Mapping of the Gulf of Maine. GIS Conference. Cambridge, MA, USA; 2006.
Fonseca L, Calder BR. Clustering Acoustic Backscatter in the Angular Response Space. U.S. Hydrographic Conference (US HYDRO). Norfolk, VA, USA; 2007. p. 0-0.
Fonseca L, 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; 1995. p. 0-0.
Pohner F, Bakke J, Nilsen O, Kjaer T, Fonseca L. Integrating Imagery from Hull Mounted Sidescan Sonars with Multibeam Bathymetry. U.S. Hydrographic Conference (US HYDRO). Norfolk, VA, USA; 2007. p. 0-0.
Piauilino P, Fonseca L, 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.
Fonseca L, Robidoux L, Watt G. A Qualitative Assessment of Two Multibeam Echo Sounder (MBES) Backscatter Analysis Approach. Canadian Hydrographic Conference (CHC). Victoria, British Columbia, Canada; 2008. p. 1.
Miranda FP, Bentz C, Fonseca L, 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; 1996. p. 647-648.
Huff LC, Fonseca L, Hou T, McConnaughey R. Comparison Between Physical Sediment Samples and Grain-size Estimates from GeoCoder. International Hydrographic Conference (HYDRO). Cape Town, Western Cape, South Africa; 2009.
Mayer LA, Fonseca L, Pacheco M, Galway S, Martinez J, Hou T. The STRATAFORM GIS. U.S. Office of Naval Research (ONR). St. Andrews, New Brunswick, Canada; 1999. p. 0-0.
Fonseca L, Mayer LA. Detection Near-surface Gas with Acoustic Remote Sensing Data. 8thth ed. Latin-American Congress on Organic Geochemistry (LACOG). Cartagena, Cartagena, Columbia; 2002. p. 0-0.
Fonseca L, Mayer LA, Kraft BJ. 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; 2005. p. 0-0.
Fonseca L, Calder BR. Experiments for multibeam Backscatter Adjustments on the NOAA Ship FAIRWEATHER. IEEE Oceans. Boston, MA, USA; 2006. p. 0-0.
Fonseca L. Acoustic Backscatter and Remote Seafloor Characterization. International Marine Technicians Symposium (INMARTECH). Woods Hole, MA, USA; 2006.
Bentz C, Fonseca L, Miranda FP, 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.
Huff LC, 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; 2007. p. 0-0.
Fonseca L, Rzhanov Y, McGonigle C, Brown C. Automatic Construction of Acoustic Themes for Benthic Habitat Mapping at Stanton Banks, UK. GeoHab. Trondheim, Trondheim, Norway; 2009.
Fonseca L, Mayer LA. Multibeam Echo Sounding as a Tool for FIsheries Habitat Studies. American Geophysical Union (AGU). Acapulco, Acapulco, Mexico; 2007. p. 1-2. PDF icon Mayer_08_MHMT_Multibeam_echo_sounding.pdf (263.36 KB)
Journal Article
Miranda FP, Fonseca L, Carr J, 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. Taylor & Francis; 1996. p. 3523-3529.
Fonseca L, Mayer LA, Orange D, Driscoll NW. 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. Melville, NY, USA: Acoustical Society of America; 2001. p. 2621-2631.
Miranda FP, Fonseca L, 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. Taylor & Francis; 1998. p. 549-556.
Fonseca L, Mayer LA. Remote estimation of surficial seafloor properties through the application Angular Range Analysis to multibeam sonar data. Marine Geophysical Researches. New York, NY, USA: Springer Publisher; 2007. p. 119-126.
Fonseca L, Brown C, Calder BR, Mayer LA, 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). New York, NY, USA: Association for Computing Machinery (ACM); 2009. p. 1298-1304. PDF icon Fonseca_2009_AA_Angular_range_analysis_of_acoustic_themes_from_Stanton_Banks_Ireland.pdf (2.61 MB)
Rzhanov Y, Fonseca L, Mayer LA. Construction of seafloor thematic maps from multibeam acoustic backscatter angular response data. Computers and Geosciences Journal. Cambridge, MA, USA: Elsevier; 2011.
Valdes L, Fonseca L, Tedesco K. Looking into the Future of Ocean Sciences: an IOC Perspective. Oceanography Magazine. The Oceanography Society; 2010. p. 160-175. PDF icon Valdes_2010_OM_Looking_into_the_future_of_Ocean_Sciences.pdf (501.58 KB)
Schimel ACG, Rzhanov Y, Fonseca L, Mayer LA, Healy TR, Immenga D. Unsupervised acoustic seabed classification combining angular and spatial information from multibeam backscatter data. Estuarine, Coastal and Shelf Science Journal. Elsevier;.
Armstrong AA, Calder BR, Fonseca L, Gardner JV, Mayer LA. US UNCLOS Multibeam Data: The Processing of Multibeam Bathymetry and Backcatter. Hydro International. Lemmers, Amsterdam, The Netherlands: Geomatics Information & Trading Center - GITC; 2008. p. 14-17. PDF icon Fonseca_al_2008_hydro_intl.pdf (1.42 MB)
Poster - Conference
Calder BR, Fonseca L, Francolin JB. Automatic Estimation of the Seafloor Geomorphology of the Santos Basin, Brazil. EOS Transactions, American Geophysical Union . San Francisco, CA, USA; 2002. p. 0-0. Image icon Calder_2002_AGU_Automatic_estimation_seafloor_geomorphology.jpg (971.4 KB)
Fonseca L, Mayer LA, Kraft BJ, Brandsdottir B, 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; 2004. p. 0-0. Image icon Fonseca_2004_AVO_Analysis_of_backscatter_little_bay_Skjalfandi_bay.jpg (1.16 MB)
Fonseca L, Mayer LA. 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; 2005. p. 0-0. Image icon Fonseca_2005_Mapping_near-surface_gas.jpg (1.18 MB)
Fonseca L, Miranda FP, 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; 2002. p. 0-0. Image icon Fonseca_2002_Multi-scale_visualization_of_remote_sensing_Amazon_rain_forest.jpg (1.35 MB)
Mayer LA, Fonseca L, Paton M, McLeod P, Jakobsson M. The STRATAFORM GIS: Interactive Exploration in 2 and 3 Dimensions. EOS Transactions, American Geophysical Union . San Francisco, CA, USA; 2001. p. 0-0. Image icon Mayer_2001_AGU_Strataform_GIS-Interactive_exploration_2_and_3_Dimensions.jpg (520.58 KB)
Report
Mayer LA, Fonseca L, Kraft BJ. 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); 2005 .
Mayer LA, Kraft BJ, Fonseca L. 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); 2004 .
Nellemann C, Corcoran E, Duarte CM, Valdes L, DeYoung C, Fonseca L, et al.. Blue Carbon: The role of healthy oceans in binding carbon. 2010 p. 1-80. PDF icon Nellemann_2010_BlueCarbon_book.pdf (17.54 MB)