Sea Technology

DEC 2018

The industry's recognized authority for design, engineering and application of equipment and services in the global ocean community

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www.sea-technology.com December 2018 | ST 5 DECEMBER 2018 Volume 59, No. 12 CONTENTS FEATURES DEPARTMENTS ©Copyright 2018 by Compass Publications, Inc. Sea Technology (ISSN 0093-3651) is published monthly by Compass Publications, Inc., 4600 N. Fairfax Dr., Suite 304, Arlington, VA 22203; (703) 524-3136; FAX (703) 841-0852. All rights reserved. Neither this publication nor any part of it may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior permission of Compass Publications Inc. Periodicals postage paid at Arlington, Virginia, and additional mailing offices. Subscriptions may be purchased at the following rates: domestic, $60 one year; $80 two years; foreign air mail, $144. Single copies $4.50 plus shipping and handling (current issue only). POSTMASTER: send address changes to Compass Publications, Inc., P.O. Box 600, Deer Isle, ME 04627-0600. CUSTOMER SERVICE, Tel. 1-800-989-5253 or 1-207-348-1057. COVER IMAGE Dr. Blair Thornton, chief scientist during an August 2018 expedition off the coast of the Pacific Northwest, consults the visual map of the seafloor in order to confirm where to send ROV SuBas- tian. (Credit: Schmidt Ocean Institute) NEXT MONTH Annual Review & Forecast / Buyers Guide/Directory. 10 ENSURING SAFETY UNDERSEA Danny Gray (JFD) discusses technology safeguards for saturation diving. 14 ADAPTIVE ROBOTS AT SEA Kate Herries (University of Hawaii) and Dr. Carlie Wiener (Schmidt Ocean Institute) describe how AUVs, ROVs and AI are changing how oceanographic science is conducted. 18 USV VERSATILITY George Galdorisi (U.S. Navy, retired) outlines the use of bathymetric dam imaging for infrastructure safety. 22 UNDERWATER INTERVENTION —Conference Preview 24 DELVING DEEPER INTO BIOFILMS Jennifer Longyear and Marie Dale (AkzoNobel) explore the diversity of bacterial and microalgal populations in biofilms and how to address the biofouling problem in the marine industry. www.teledynemarine.com/reson SeaBat T50 Extended Range Ultrahigh resolution mid-water Multibeam Echosounder with fully integrated Inertial Navigation System The SeaBat T50 Extended Range is the very latest addition to the leading SeaBat T-series product range, engineered from the ground up to evolve with your business. Combined with a very compact Rack-mounted Sonar Processor (RSP), the SeaBat T50 Extended Range produces unprecedented clean data, at unprecedented resolution, providing faster operational surveys and reduced processing time. The SeaBat T50 Extended Range is fully frequency agile from 150 to 420 kHz, allowing for extremely high resolution surveys at shallower water depths while maintaining the capability to operate out to about 900 meter water depth! Godthåbsfjorden, Greenland Courtesy of Greeland Institute of Natural Resources 7 Editorial 40 Ocean Research 9 Soundings 42 Marine Reneewables 29 International 44 Offshore Oil & Ocean Engineering 31 Ocean Business 45 People/Contracts 33 Marine Resources 46 Meetings 34 Product Development 47 Professional Services Directory 36 Marine Electronics 49 Soapbox 38 Capital Report 50 Advertiser Index

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