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July 2015 Issue

DECK GEAR
CABLE / CONNECTORS
POWER SYSTEMS
& SALVAGE


COVER
BIRNS Inc. developed 18 ABS-certified custom penetrators and cable assemblies for the 68-ft. tourist DS-48 class ASME-certified submarine Deepstar, seen here on its coastal route in Saipan, Northern Mariana Islands. (Photo Credit: DeepSea Submarine Technologies Inc.)

 


FEATURE ARTICLES


MICROBIAL FUEL CELL UNDERWATER POWER SYSTEM
P. Janani and Dr. S. Sakthivel Murugan (SSN College of Engineering) describe harvesting energy from seawater for low-power applications.

CUSTOM ABS-CERTIFIED PENETRATORS FOR USE ON TOURIST SUBMARINE
Amy Brown (BIRNS Inc.) explains how penetrators provide a safe and efficient solution.

EUROPEAN GEOSCIENCES UNION GENERAL ASSEMBLY
Conference Review

STEELHEAD AND CHINOOK: OBSERVATION-CLASS ROVS
Elaine Parker (SEAMOR Marine Ltd.) discusses the redesign of two ROV models.

NOVEL MULTIPURPOSE BUOY FOR OFFSHORE WIND PROFILE MEASUREMENTS
Joaquim Sospedra, Jordi Cateura and Joan Puigdefabregas (Maritime Engineering Laboratory of the Technical University of Catalonia) review validation of the EOLOS platform at Ijmuiden Offshore Metmast.

SEAVIEW MULTIPLEXER ENHANCES ROV DATA COMMUNICATIONS
Matthew Cook (SeaView Systems) and Richard Funk (Tetra Tech) tell how a PC-104-compatible upgrade suits space-constrained custom vehicles and breathes new life into legacy equipment.

3D SCANNING TECHNOLOGY ENHANCES OFFSHORE MODELING CAPABILITIES
Erik J. Arvesen (Trimble) outlines advancements in 3D scanning revolutionizing offshore surveying.

IMPROVING OYSTER HABITAT RESTORATION THROUGH MONITORING
Evan Lubofsky (freelance) explains measuring water temperature, salinity and dissolved oxygen to rehabilitate oyster populations.

GREENLAND ICE SHEET TO PLAY IMPORTANT ROLE IN UNDERSTANDING SEA LEVEL RISE
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COVER:
BIRNS Inc. developed 18 ABS-certified custom penetrators and cable assemblies for the 68-ft. tourist DS-48 class ASME-certified submarine Deepstar, seen here on its coastal route in Saipan, Northern Mariana Islands. (Photo Credit: DeepSea Submarine Technologies Inc.)

NEXT MONTH:
Nobeltec TimeZero Catch: An innovative onboard tool for commercial fishing ... Use of an AUV to map coastal frontal zones ... Multiphase echosounder—a new technology to improve shallow water surveys ... Powering the next generation of unmanned undersea systems ... The Indian River Lagoon Observatory ... High-quality seabed surveys using hybrid AUVs ... Compact, lightweight lidar for bathymetric mapping from a small UAV ... GEPS Techno’s MLiner.

EDITOR’S NOTE
The equipment described in the June 2015 article “Trimming the FAT for Seafloor Research in China” was developed jointly by the U.S. Geological Survey and Tongji University (Shanghai, China) for an international collaborative research project sponsored by Tongji University. The photographs on the second page of the article (p. 39) were provided by Tongji University.