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www.sea-technology.com March 2016 / st 5 The Worldwide Information Leader for Marine Business, Science & Engineering SEA TECHNOLOGY® ©Copyright 2016 by Compass Publications, Inc. Sea Technology (ISSN 0093-3651) is published monthly by Compass Publications, Inc., Suite 1010, 1600 Wilson Blvd., Arlington, VA 22209; (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 offces. Subscrip- tions may be purchased at the following rates: domestic, $60 one year; $80 two years; foreign air mail, $133. Single copies $4.50 plus shipping and handling (current issue only). POSTMASTER: send address changes to Compass Publications, Inc., P.O. 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Editorial .......................................................7 Soundings ...................................................9 Capital Report ...........................................45 International ..............................................46 Ocean Business .........................................48 Offshore Oil & Ocean Engineering ............50 Navy Currents ...........................................51 Product Development ...............................52 Environmental Monitoring .........................54 Ocean Research ........................................56 Marine Electronics .....................................58 Marine Renewables ...................................59 Marine Resources ......................................60 Contracts ...................................................61 Meetings ...................................................62 People .......................................................63 ST Looks Back ...........................................64 Soapbox ....................................................65 Professional Services Directory ..................66 Advertiser Index ........................................70 COVER — This image was collected by Geomytsa using Chesapeake Technology's SonarWiz for acquisition and processing with an EdgeTech 4125 side scan sonar. The group of vessels in the center of the image, called "Pecikinder," is comprised of the Icam, Majidum and Alga and located off the coast of Spain's Canary Island. (Photo Credit: Chesapeake Technology) NEXT MONTH — Implementation of numerical wave modeling techniques ... U-CAT turtle-like robot for underwater archeol- ogy ... Upgraded node pod for offshore communication backbone ocean observatory ... NOIA oil and gas review ... Accuracy comparison of online GNSS PPP processing services in marine environment ... Hydrocarbon early and automatic detection system ... Conference previews: Offshore Technology Conference, XPONENTIAL 2016 and Canadian Hydrographic Confer- ence. March 2016, Volume 57, No. 3 Visit our website at www.sea-technology.com for online versions of feature articles and news departments. The editorial staff can be contacted at oceanbiz@sea-technology.com. 10 ADVANCES IN LONG-TERM SUBSEA MONITORING Pavel Kapricheski and Hans Ellingsen (Kongsberg Maritime Embient GmbH) look at the K-Observer and K-IMS offering long-term, permanent port monitoring. 15 ONGOING DEVELOPMENTS TO SHARPEYE RADAR Spike Hughes and Mark Bown (Kelvin Hughes) discuss SharpEye and the updates that continue to enhance maritime situational awareness. 19 SOIL AND WATER ASSESSMENT TOOL Juan Jesús Gomiz-Pascual, Marina Bolado-Penagos and Dr. Águeda Vázquez (University of Cádiz) explain the SWAT catchment model used to assess the Guadalquivir river fow. 23 OCEANS' 16 MTS/IEEE SHANGHAI — Conference Preview 25 UNDERWATER NOISE-MONITORING BUOY Luc Simon (RTsys) discusses a real-time noise monitoring buoy and its advantages in monitoring specifc species. 28 UNDERWATER SURVEILLANCE SYSTEM ROUTING PROTOCOLS Reza Mohammadi and Dr. Reza Javidan (Shiraz University) compare various underwater wireless sensor network routing. 31 CATAMARAN DIVE SUPPORT VESSEL Henry Myron (Metal Shark) reviews the 75 Endurance DSV and how it handles the hazards of live-boating. 35 THE RHINO IS IN CHARGE Mike Young (Marsol International) looks at Rhino Craft, a multipurpose workboat tailored to access and provide support to challenging sites. 38 TERRA NOVA REDISCOVERED IN GREENLAND WATERS Leighton Rolley (Schmidt Ocean Institute) discusses the discovery of Antarctic explorer Robert Falcon Scott's shipwreck during a routine sonar test. 43 UNDERWATER DRIVES FOR THE DEEP OCEAN Carsten Horn (Maxon Motor GmbH) looks at high-precision, lightweight AUV drives with customized propellers.