Author Keyword Title [ Type(Desc)] Year
Filters: Author is Valdes, L   [Clear All Filters]
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
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. 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.
Conference Proceedings
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, 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. 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 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. 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)
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., Experiments for multibeam Backscatter Adjustments on the NOAA Ship FAIRWEATHER, IEEE Oceans. Boston, MA, USA, pp. 0-0, 2006.
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.
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, 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.
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.
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.
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
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.
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.
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.
Journal Article
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.
Conference Proceedings
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.
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., 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.