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G. Masetti and Johnson, P., Sound Speed Management and Environmental Variability Estimation for Ocean Mapping, INMARTECH 2018. p. Woods Hole, MA, 2018.
P. Johnson and Gee, L., E/V Nautilus - EM302 Multibeam Echosounder System Quality Assurance Review - NA079, May 1-6, 2017, 2017.
G. Masetti, Kelley, J., Johnson, P., and Beaudoin, J., A Ray-Tracing Uncertainty Estimation Tool for Ocean Mapping, IEEE Access, vol. 6. IEEE, pp. 2136 - 2144, 2017.PDF icon preprint_08183436.pdf (906.82 KB)
P. Johnson and Jerram, K., R/V Falkor - EM302 & EM710 Multibeam Echosounder System Quality Assurance Review - FK170602, June 2-8, 2017, 2017.
P. Johnson, R/V Kilo Moana EM122 Multibeam Echosounder Review, KM1711 - July 24-26, 2017, 2017.
P. Johnson and Jerram, K., R/V Sally Ride EM122 & EM712 Multibeam Echosounder System Review, July 25-28, 2016, 2017.
P. Johnson, Ferrini, V. L., and Jerram, K., USCGC Healy EM122 Multibeam Echosounder System Review, May 16-20, 2017, 2017.
P. Johnson and Jerram, K., E/V Nautilus EM302 Multibeam Echosounder System Review NA070 - April 10-15, 2016, University of New Hampshire, Durham, NH, 2016.PDF icon 20160415_Nautilus_final.pdf (14.29 MB)
J. A. Dijkstra, Litterer, A. S., Mello, K., Rzhanov, Y., and Johnson, P., A Fish Eyes View of the Impact of Non-native Seaweeds on Temperate Reef Seascapes, Benthic Ecology Meeting. Portland, ME, 2016.
P. Johnson, Ferrini, V. L., and Jerram, K., The Multibeam Advisory Committee (MAC): A Search for Solutions for Collecting Consistent High Quality Multibeam Data Across Multiple Ships, Systems, and Operators in the U.S. Academic Fleet., 2016 Fall AGU Meeting. p. San Francisco, CA, 2016.
J. A. Dijkstra, Litterer, A. S., Mello, K., Rzhanov, Y., Johnson, P., and O'Brien, B., Non-Native Species Increase Habitat Heterogeneity to Influence Trophi Interactions in Temperate Reef Seascapes, International Temperate Reef Symposium. Pisa, Italy, p. Pisa, Italy, 2016.
P. Johnson, R/V Bat Galim EM302 and EM2040 Multibeam Echosounder System Review - January 31 to February 4, 2016, University of New Hampshire, Durham, NH, 2016.PDF icon RVBG_EM302_EM2040_Report_Final_V2pt2.pdf (11.91 MB)
P. Johnson, Jerram, K., Rice, G. A., Nagel, E., and Zhang, C., R/V Neil Armstrong Multibeam Echosounder Sea Acceptance Trials - February 10-17, 2016, Center for Coastal and Ocean Mapping / Joint Hydrographic Center, University of New Hampshire, Durham, NH, 2016.
K. Jerram and Johnson, P., R/V Sikuliaq EM302 and EM710 Multibeam Echosounder System Calibration - March 7-12, 2016, University of New Hampshire, Durham, NH, 2016.PDF icon SKQ201602S_MAC_report.pdf (6.85 MB)
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.
P. Johnson and Jerram, K., E/V Nautilus - EM302 Multibeam Echosounder System Review - NA055 - March 30–April 5, 2015. 2015.
P. Johnson, Beaudoin, J., and Ferrini, V. L., The Multibeam Advisory Committee - Working Towards the Consistent Acquisition of High Quality Multibeam Echosounder Data Across the U.S. Academic Fleet, U.S. Hydrographic Conference 2015. The Hydrographic Society of America, National Harbor, MD, 2015.
P. Johnson and Jerram, K., R/V Falkor Multibeam Echosounder System Review - September 25-30, 2015, Center for Coastal and Ocean Mapping/Joint Hydrographic Center, Durham, NH, 2015.
P. Johnson and Jerram, K., R/V Kilo Moana - EM122 and EM710 Multibeam Echosounder System Review - KM1505 - April 28 – 30, 2015, Center for Coastal and Ocean Mapping / Joint Hydrographic Center, Durham, NH, 2015.
P. Johnson, Jerram, K., and Ferrini, V. L., R/V Kilo Moana - EM122 Multibeam Echosounder Review - KM1514 - August 9-13, 2015, Center for Coastal and Ocean Mapping / Joint Hydrographic Center, Durham, NH, 2015.
P. Johnson and Jerram, K., RVIB Nathaniel B. Palmer: EM122 Multibeam Echosounder Sea Acceptance Trial for TX/RX Arrays, NBP1505, June 10-15, 2015, Center for Coastal and Ocean Mapping / Joint Hydrographic Center, Durham, NH, 2015.
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.
P. Johnson and Jerram, K., E/V Nautilus EM302 Multibeam Echosounder System Review, 2014.
P. Johnson, Beaudoin, J., and Ferrini, V. L., Multibeam Advisory Committee (MAC) – Three Years of Working Towards the Consistent Acquisition of High Quality Multibeam Echosounder Data Across the US Academic Fleet, AGU Fall 2014. San Francisco, CA, 2014.
P. Johnson, R/V Falkor Multibeam Echosounder System Calibration, 2014.
J. Beaudoin, Johnson, P., and Flinders, A. F., R/V Falkor Multibeam Echosounder System Review, 2014.
P. Johnson, Flinders, A. F., and Greenaway, S. F., R/V Sikuliaq EM302 & EM710 Multibeam Echosounder System Shipboard Acceptance Tests - SKQ201400L3, 2014.
P. Johnson and Jerram, K., RVIB Nathaniel B Palmer EM122 Multibeam Sea Acceptance Trials - NBP1405, 2014.
J. Beaudoin, Multibeam Advisory Committee -- Improving Data Quality Across the US Academic Fleet, FEMME-2013. Boston, MA, United States, 2013.
P. Johnson, Beaudoin, J., and Ferrini, V. L., Improving Multibeam Data Quality Across the U.S. Academic Research Fleet, 2012 Fall Meeting, American Geophysical Union (AGU). San Francisco, CA, USA, 2012.
J. Beaudoin and Johnson, P., R/V Kilo Moana Multibeam Echosounder System Review, Center for Coastal and Ocean Mapping / Joint Hydrographic Center, Durham, NH, USA, 2012.
M. Jakobsson, Macnab, R., Mayer, L. A., Anderson, R. M., Edwards, M., Hatzky, J., Schenke, H. W., and Johnson, P., An Improved Bathymetric Portrayal of the Arctic Ocean: Implications for Ocean Modeling and Geological, Geophysical and Oceanographic Analyses, Geophysical Research Letters, vol. 35. American Geophysical Union , Washington DC, Washington DC, USA, pp. 0-1, 2008.