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G. Masetti, Mayer, L. A., Ward, L. G., and Sowers, D., Bathymetric and Reflectivity-derived Data Fusion for Preliminary Seafloor Segmentation and Strategic Bottom Sampling, GeoHab 2018. p. Santa Barbara, CA, 2018.PDF icon Masetti_et_al_GeoHab_2018_Bathymetric_and_Reflectivity_derived_Data_Fusion.pdf (112.08 KB)
G. Masetti, Mayer, L. A., and Ward, L. G., A Bathymetry- and Reflectivity-Based Approach for Seafloor Segmentation, Geosciences, vol. 8(1). MDPI Publishing, Basel, Switzerland, p. 14, 2018.PDF icon geosciences-08-00014.pdf (7.16 MB)
F. Eren, Pe'eri, S., Rzhanov, Y., and Ward, L. G., Bottom Characterization by Using Airborne Lidar Bathymetry (ALB) Waveform Features Obtained from Bottom Return Residual Analysis, Remote Sensing of Environment, vol. 206. Elsevier, pp. 260-274, 2018.
J. N. Rogers, Parrish, C. E., Ward, L. G., and Burdick, D. M., Improving Salt Marsh Digital Elevation Model Accuracy with Full-Waveform Lldar and Nonparametric Predictive Modeling, Estuarine, Coastal and Shelf Science, vol. 202. Elsevier, pp. 193-211, 2018.
L. G. Ward, McAvoy, Z. S., and Nagel, E., Mapping of the Major Morphologic Features and Seafloor Sediments of the New Hampshire Continental Shelf Using the Coastal and Marine Ecologic Classification Standard (CMECS), 2017 GeoHab Conference. p. Dartmouth, Nova Scotia, Canada, 2017.
J. N. Rogers, Parrish, C. E., Ward, L. G., and Burdick, D. M., Assessment of Elevation Uncertainty in Salt Marsh Environments Using Discrete-Return and Full-Waveform Lidar, Journal of Coastal Research, vol. SI 76. Coastal Education & Research Foundation [CERF], Coconut Creek, FL, pp. 107-122, 2016.
L. G. Ward, McAvoy, Z. S., Olsen, N., Vallee-Anziani, M., Chormann, F., McPherran, K., and Nifong, K., Integrated Studies of the New Hampshire Shoreline and Continental Shelf: An Important Step Towards Coastal Resiliency, American Shore and Beach Protection Association Annual Meeting. p. Long Branch, NJ, 2016.
L. G. Ward, Vallee-Anziani, M., and McAvoy, Z. S., New Hampshire and Vicinity Continental Shelf: Morphologic Features and Surficial Sediments, Bureau of Ocean Energy Management (BOEM) Marine Minerals Branch, Herndon, VA, 2016.
L. G. Ward, McAvoy, Z. S., and Vallee-Anziani, M., New Hampshire and Vicinity Continental Shelf: Sand and Gravel Resources, Bureau of Ocean Energy Management (BOEM) Marine Minerals Branch, Herndon, VA, 2016.
L. G. Ward, McPherran, K. A., McAvoy, Z. S., and Vallee-Anziani, M., New Hampshire Beaches: Sediment Characterization, Bureau of Ocean Energy Management (BOEM) Marine Minerals Branch, Herndon, VA, 2016.
K. McPherran and Ward, L. G., Observations of Seasonal Changes and Storm Effects on a Bedrock-Influenced, Paraglacial Coastal System: New Hampshire, Geological Society of America Annual Meeting, Northeastern Section. p. Albany, NY, 2016.
L. G. Ward, Johnson, P., Nagel, E., McAvoy, Z. S., and Vallee-Anziani, M., Western Gulf of Maine Bathymetry and Backscatter Synthesis, Bureau of Ocean Energy Management (BOEM) Marine Minerals Branch, Herndon, VA, 2016.
L. G. Ward, McAvoy, Z. S., Vallee-Anziani, M., Nagel, E., and Nifong, K., Depositional Systems on the Northern Massachusetts and New Hampshire Inner Continental Shelf: Use of High Resolution Seafloor Mapping to Understand Impacts of Glaciation, Marine Processes and Sea-Level Fluctuations, Geological Society of America (GSA) Annual Meeting. Baltimore, MD, 2015.
K. Nifong, Development of Late Quaternary Depositional History of Portsmouth Harbor, NH, Geological Society of America (GSA) Annual Meeting. Baltimore, MD, 2015.
J. N. Rogers, Parrish, C. E., Ward, L. G., and Burdick, D. M., Evaluation of Field-Measured Vertical Obscuration and Full Waveform Lidar to Assess Salt Marsh Vegetation Biophysical Parameters, Remote Sensing of Environment, vol. 156. pp. 264-275, 2015.
T. C. Weber and Ward, L. G., Observations of Backscatter from Sand and Gravel Seafloors Between 170 and 250 kHz, The Journal of the Acoustical Society of America, vol. 138. Acoustical Society of America, pp. 2169–2180, 2015.PDF icon weber-ward-acoustical-society-2015.pdf (2.89 MB)
L. G. Ward, McAvoy, Z. S., Johnson, P., and Greenaway, S. F., Use of high resolution bathymetry and backscatter for mapping depositional environments on the New Hampshire continental shelf, Geological Society of America (GSA) Annual Meeting, Northeastern Section. Bretton Woods, NH, 2015.
L. G. Ward, Depositional Environments of Jeffreys Ledge, Western Gulf of Maine: Impacts of Glaciation, Sea-level Fluctuations and Marine Processes Assessed Using High Resolution Multibeam Bathymetry, Subbottom Seismics, Videography, and Direct Sampling, 2014 Fall Meeting, American Geophysical Union (AGU). San Francisco, CA, 2014.
C. E. Parrish, Rogers, J., Ward, L. G., and Dijkstra, J. A., Enhanced coastal mapping using lidar waveform features, 15th Annual JALBTCX Airborne Coastal Mapping and Charting Workshop. Mobile, AL, 2014.
R. E. Grizzle, Ward, L. G., Fredriksson, D. W., Irish, J. D., Langan, R., Heinig, C., Greene, J. K., Abeels, H. A., Peter, C. R., and Eberhardt, A. L., Long-term Seafloor Monitoring at an Open Ocean Aquaculture Site in the Western Gulf of Maine, USA: Development of an Adaptive Protocol, Marine Pollution Bulleten, vol. 88. pp. 129-137, 2014.
L. G. Ward and Irish, J. D., Morphologic Changes of a Heavily Developed and Modified Back-Barrier System: Hampton-Seabrook Harbor, New Hampshire, Geological Society of America Annual Meeting. Vancouver, British Columbia, Canada, 2014.
L. G. Ward, Irish, J. D., and Knuuti, K., Physical processes and morphologic changes in Hampton-Seabrook Harbor, New Hampshire: Natural and anthropogenic alterations, Northeast Section, Geological Society of America Annual Meeting. Bretton Woods, NH, 2012.
S. Pe'eri, Gardner, J. V., Ward, L. G., and Morrison, J. R., The Seafloor: A Key Factor in Lidar Bottom Detection, IEEE Transactions on Geoscience and Remote Sensing, vol. 49. IEEE, Washington DC, Washington DC, USA, pp. 1150-1157, 2011.PDF icon Peeri_2010_IEEE_The_Seafloor-A_key_factor_in_Lidar_bottom_detection.pdf (801.32 KB)
R. E. Grizzle, Ward, L. G., Mayer, L. A., Malik, M. A., Cooper, A. B., Abeels, H. A., Greene, J. K., Brodeur, M. A., and Rosenberg, A. A., Effects of a Large Fishing Closure on Benthic Communitites in the Western Gulf of Maine: Recovery from the Effects of Gillnets and Otter Trawls, Fisheries Bulletin, vol. 107. National Marine Fisheries Service Scientific Publications Office, pp. 308-317, 2009.
R. E. Grizzle, Malik, M. A., and Ward, L. G., High-resolution Seafloor Mapping and an Assessment of the Effectiveness of the Western Gulf of Maine Closure Area (WGOMCA), Workshop on Integrating Seafloor Mapping and an Assessment of the Effectiveness of the Western Gulf of Maine. Portland, ME, USA, 2009.
L. G. Ward, Development and Analysis of a Bathymetric Database for Great Bay Estuary, New Hampshire, New Hampshire Department of Environmental Services (DES), New Hampshire Coastal Program (NHCP), 2009.
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.
R. Wigley, Pe'eri, S., and Ward, L. G., Analysis of Coastal Morphology for Crescent and Sea Point Beaches, Maine Ground-truth Airborne LIDAR Bathymetry Digital Elevation Models, Shallow Water Survey Conference (SWS). Durham, NH, USA, 2008.
S. Pe'eri, Gardner, J. V., and Ward, L. G., Validating coastal flooding models using ALB-derived shorelines, Canadian Hydrographic Conference (CHC). Victoria, British Columbia, Canada, 2008.
S. Pe'eri, Gardner, J. V., Morrison, J. R., and Ward, L. G., Ground-truth Results of Comparison or Airborne LIDAR Bathymetry in Subtidal Coastal Environments, American Geophysical Union (AGU), vol. 89. San Francisco, CA, USA, 2008.
J. Felzenberg, Ward, L. G., Rzhanov, Y., Irish, J. D., and Mayer, L. A., Detecting bedform migration in Portsmouth Harbor, New Hampshire, USA, on relatively short spatial and temporal scales, American Geophysical Union (AGU). San Francisco, CA, USA, 2008.
J. Felzenberg, Ward, L. G., Rzhanov, Y., and Mayer, L. A., Detecting bedform migration in Portsmouth Harbor on relatively short time-scales from high-resolution multibeam bathymetry, Shallow Water Survey Conference (SWS). Durham, NH, USA, 2008.
L. G. Ward, Zaprowski, B. J., Trainer, K. D., and Davis, P. T., Stratigraphy, Pollen History and Geochronology of Tidal Marshes in a Gulf of Maine Estuarine System: Climatic and Relative Sea Level Impacts, Marine Geology, vol. 256. Elsevier, New York, NY, USA, pp. 1-17, 2008.PDF icon Ward_2008_MG_Stratigraphy_pollen_history_and_geochronology_of_tidal_marshes_Gulf_of_Maine.pdf (2.94 MB)
S. Pe'eri, Gardner, J. V., and Ward, L. G., Validating coastal flooding models using ALB-derived shorelines, Canadian Hydrographic Conference. 2008.
S. Pe'eri, Gardner, J. V., Ward, L. G., Morrison, J. R., and Lillycrop, J., The seafloor as key component for the success of lidar in bottom detection, Joint Airborne LIDAR Bathymetry Technical Center of Expertise Coastal Mapping and Charting Workshop (JALBTCX). Seattle, WA, USA, 2007.
C. J. Vorosmarty, Ericson, J. P., Dingman, S. L., and Ward, L. G., Future impacts of fresh water resource management: sensitivity of coastal deltas, International Association of Hydrological Sciences (IAHS), vol. 314. Copenhagen, Copenhagen, Denmark, pp. 231-238, 2007.
S. Pe'eri, Gardner, J. V., Ward, L. G., Morrison, J. R., and Lillycrop, J., Identifying subtidal coastal environments using airborne lidar bathymetry (ALB), American Geophysical Union (AGU). San Francisco, CA, USA, 2007.
L. G. Ward, Depositional systems on the New Hampshire continental shelf: formation and controlling processes, Geological Society of America. 2007.
R. E. Grizzle, Ward, L. G., Mayer, L. A., Cooper, A. B., Rosenberg, A. A., Brouder, M. A., Greene, J. K., Abeels, H. A., and Malik, M. A., Effects of the Western Gulf of Maine Closure Area on Bottom Habitats: A Preliminary GIS-based Assessment, GIS Conference. Cambridge, MA, USA, 2006.
L. G. Ward, Malik, M. A., Cutter Jr., R. G., Brouder, M. A., Grizzle, R. E., Mayer, L. A., and Huff, L. C., High Resolution Benthic Mapping Using Multibeam Sonar, Videography, and Sediment Sampling in the Gulf of Maine: Application to Geologic and Fisheries Research., Annual Meeting Geological Society of America (GSA), vol. 38. Boston, MA, USA, pp. 0-377, 2006.
J. P. Ericson, Vorosmarty, C. J., Dingman, S. L., Ward, L. G., and Meybeck, M., Effective sea-level rise in deltas: Causes of change and human dimension implications, Global and Planetary Change, vol. 50. Elsevier, New York, NY, USA, pp. 63-82, 2006.PDF icon Ericson_2005_GPC_Effective_sea-level_rise_and_deltas.pdf (839.07 KB)
L. G. Ward and Bub, F. L., Temporal variability in salinity, temperature and suspended sediments in a Gulf of Maine Estuary (Great Bay Estuary, New Hampshire), in High Resolution Morphodynamics and Sedimentary Evolution of Estuaries, vol. 8, no. D.M FitzGerald, J. Knight, New York, NY, USA: Springer Publisher, 2005, pp. 115-142.
M. Jakobsson, Armstrong, A. A., Calder, B. R., Huff, L. C., Mayer, L. A., and Ward, L. G., On the use of historical bathymetric data to determine changes in bathymetry, International Hydrographic Review, vol. 6. Geomatics Information & Trading Center - GITC, Lemmers, Amsterdam, The Netherlands, pp. 25-41, 2005.
R. E. Grizzle, Ward, L. G., Adams, J. R., Dijkstra, S. J., and Smith, B., Mapping and Characterizing Oyster Reefs using Acoustic Techniques, Underwater Videography and Quadrat Sampling, Benthic Habitats and the Effects of Fishing, no. P.W. Barnes & J.P. Thomas. American Fisheries Society, Bethesda, MD, USA, pp. 153-159, 2005.
L. G. Ward, Variations in physical properties and water quality in the Webhannet River Estuary (Wells National Estuarine Research Reserve, Maine), Journal of Coastal Research, vol. 45. Coastal Education & Research Foundation, Inc. [CERF], West Palm Beach, FL, USA, pp. 39-58, 2004.
L. G. Ward, Burdicki, D. M., and Adams, J. R., Preliminary Studies of the Impact of Sea Level Rise on Coastal Environments (New Hampshire, USA), International Conference on Coastal Sediments (ICCS). Clearwater Beach, FL, USA, pp. 0-13, 2003.
J. V. Gardner, Morrison, J. R., and Ward, L. G., The seafloor a key factor in lidar bottom detection, IEEE Journal of Oceanic Engineering. IEEE, Washington DC, Washington DC, USA, 2003.
L. G. Ward and Bub, F. L., Suspended Sediment Dynamics in the Great Bay Estuary, NH: Patterns and Controlling Processes, Geological Society of America (GSA), vol. 33. Boston, MA, USA, 2001.
J. R. Adams, Dijkstra, S. J., Grizzle, R. E., Nelson, J., and Ward, L. G., Comparison of Acoustic Techniques, Videography, and Quadrant Sampling for Characterizing Subtidal Oyster Reefs, National Shellfisheries Association (NSA). Mystic, CT, USA, 2001.
L. G. Ward and Birch, F. S., Sedimentology of the New Hampshire Inner Continental Shelf Based on Subbottom Seismics, Side Scan Sonar, Bathymetry and Bottom Samples, Marine Georesources and Geotechnology, vol. 17. Taylor & Francis, pp. 165-172, 1999.
L. G. Ward, Kearney, M. S., and Stevenson, J. C., Variations in sedimentary environments and accretionary processes in estuarine marshes undergoing rapid sea level rise, Chesapeake Bay, Marine Geology, vol. 151. Elsevier, New York, NY, USA, pp. 111-134, 1998.