SEA TECHNOLOGY
VOL., 40, No. 6, JUNE 1999
10 THOMSON MARCONI SONAR'S SEAFALCON 11
Jean-Prangois Denis (Thomson Marconi Sonar) describes a deep-water multibeam sonar
using five echosounders to suppress seabed sounding gaps.
17 SYNTHETIC APERTURE SONAR: AN EVOLVING TECHNOLOGY
Dennis Garrood, Dr. Norm Lehtomaki, Tony Luk, Dr. Mark Neudorfer (Raytheon Systems Co.),
and Dr. Andrew Palowitch (Dynamics Technology Inc.) examine how radar technology
translates to underwater for mine hunting and unexploded-ordnance location.
25 APPLICATIONS OF INTERFEROMETRIC SWATH BATHYMETRY
Matt Geen (Submetrix Ltd.) says swath bathymetry has developed enormously over the last
decade and has become the norm in seabed surveys.
31 DIGITAL TRANSDUCERS: A NEW SONAR TECHNOLOGY
Prof. William C. Acker, Dr. Janusz Burczynski, James Dawson, Dr. John Hedgepeth and Dan
Wiggins (BioSonics Inc.) delve into this flexible tool for fisheries, macrophyte assessment,
seabed classification, and other applications.
37 PRIMO SYMPOSIUM ON POLLUTANT RESPONSES—ST Conference Report
39 NOAA SHIP RONALD H. BROWN: WORLD GLOBAL CLIMATE STUDY
Capt. Roger L. Parsons (NOAA Corps) and Dr. Russell R. Dickerson (University of Maryland)
tell about the ocean agency's newest research vessel and her first round-the-world mission.
47 INTERROGATING SEABEDS IN COASTAL WATERS
Dr. Paul C. Hines, W. Gary Risley, and Martin P. O'Connor (Defence Research Establishment—
Atlantic) describe use of a parametric sonar to quantify the seabed's effect on acoustic
waves.
53 MARINE GIS DEVELOPMENT: MAPPING THE BAY OF NAPLES
Massimo De Lauro (National Research Council of Italy), Giulio Giunta, and Raffaele Montella
(Naval Universitary Institute, Italy) discuss GIS development to facilitate environmental data
acquisition and retrieving.
61 NAVAL OCEANOGRAPHIC OFFICE OCEAN SURVEY 2010
Capt. Larry Warrenfeltz and Cmdr. Dave McCarren (NAVOCEANO) reveal plans to assess tech
nology trends, focusing on communications, AUVs, ocean/atmosphere parameters.
65 DIGITAL MOSAICKING OF UNDERWATER IMAGERY
Jonathan C. Howland, Dr. Hanumant Singh (Woods Hole Oceanographic Institution), Martin
Marra (Vexcel Corp.), and Dr. Daniel Potter (Brown University) comment on merging multiple
images for overview of underwater scenes.
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SEA TECHNOLOGY
Vol 40, No. 7, July 1999
10 DEVELOPMENT OF AN IMPROVED CABLE TRENCHING PLOWSHARE
Jeffrey A. Hill (Tyco Submarine Systems Ltd.), Richard Elliott (Perry Tritech Inc.), and Frank D. Messina
(SeaTech Solutions Inc.) describe the newest Sea Plow VIII that uses water-jet assist for better trenches.
17 NEW STANDARDS, GUIDELINES FOR FIBER ROPES
G.P. Foster (The Cordage Institute) discusses the new voluntary, consensus-based standards preferred
and advocated by U.S. federal and European governments.
23 CABLE TRACTION CONTROL
Per Ingeberg (ODIM AS) reveals how this innovative unit applies load-balancing, even detensioning in a
single engine, competing with conventional and linear engines for laying fiber-optic cable.
26 FLEET PROPULSION OF THE FUTURE
Edgar S. Thaxton (General Dynamics Corp.) explains advances in developing a common, integrated
electric drive—for a lower-cost unit delivering affordability through commonality.
31 POSEIDON: OPERATIONAL MONITORING SYSTEM FOR GREEK SEAS
Dr. Takvor H. Soukissian, Dr. Georges Th. Chronis, and Dr. Konstantinos Nittis (National Centre for'
Marine Research, Athens) describe the installation and benefits of an 11-buoy networked monitoring sys-
tem.
39 ELECTRONIC CHARTING AT NOAA
David B. Enabnit and Michael B. Brown (NOAA Office of Coast Survey) provide an update on the status
of electronic nautical charts and the newer raster nautical charts.
42 SYNTHETIC DOCKING LINES REPLACE STEEL WIRE ROPE
Caroline M. Holtzman (AlliedSignal Performance Fibers) offers a case history where tanker operator Arco
Marine Inc. went from steel to synthetics to reduce costs and improve safety.
45 NAVY RECAPITALIZATION REFLECTED IN STRONG SHIPBUILDING
Contributing Editor Charles Wiseman looks at steady trends in the current U.S. Navy budget.
50 HIGH TENSILE WIRE FOR UNDERSEA FIBER OPTIC CABLES
Len Onderdonk (The Rochester Corp.) describes the company's new in-line wire drawing machine, capa-
ble of handling wire sizes to 0.065 inch as fast as 5,000 feet/minute.
52 BUOY-BASED DIGITAL LINK FOR UNDERSEA SENSORS
Susan G. Briest, Alan D. Fronk, and Dr. J. Mark Stevenson (Space & Naval Warfare Systems Center,
San Diego) discuss a spread-spectrum RF datalink that saves money and improves communication.
57 U.S. NAVY'S AUTEC RANGES
J. Tod Michaelis (Atlantic Undersea Test & Evaluation Center Detachment) reveals updates in current
ranges and installation of a new shallow-water range.
60 MOTN TRADE MISSION TO CHINA
Maggie Linskey Merrill (Marine Marketing Services) takes us with five New England Firms seeking part-
nerships in coastal development, ocean monitoring, and offshore resources projects.
94 THE WAY AHEAD FOR A U.S. OCEAN OBSERVATION PLAN—Soapbox
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SEA TECHNOLOGY
Volume 40, No. 8, August 1999
10 CORAL REEFS: A DIMINISHING RESOURCE
Associate Editor Alan D. WHson dug into claims of coral reef deterioration and found out how
valuable these unique ecosystems are and what's being done to save them.
17 THE ULTIMATE OCEAN RANCH
Dr Fujio Matsuda (PICHTR), Dr James Szyper, Dr Patrick Takahashi (University of Hawaii), and
Joseph R. Vadus (Global Ocean Inc.) describe how nutrient-rich deep ocean water can—through
artificial upwelling—enhance biological food productivity in the open ocean,
29 THE LEGENDARY OCEAN—THE UNEXPLORED FRONTIER
Barbara Moore (NOAA) and Julie Zeidner (environmental journalist) provide a stirring overview of
the world's oceans and their near-boundless—but threatened—resources.
37 OIL AND GAS ACTIVITY IN THE GULF OF MEXICO
J. Michael Melancon (Minerals Management Service) analyzes highs and lows in the last decade
and will forecast oil and gas production projections through 2003.
45 SECOND OCEAN TECHNOLOGY WORKSHOP— MOTN Workshop Preview
49 SURVEYING & MAPPING SYSTEM FOR SURFICIAL MARINE SEDIMENTS
Dr John E. Noakes, Scott E. Noakes, Douglas K, Dvoracek, and Dr Parschall B> Bush (University
of Georgia) describe a new tool for rapid coastal environmental assessments in continental shelf
areas.
55 TIME-FREQUENCY ANALYSIS OF SHALLOW SEISMIC IMAGERY
Mario T. Kalcic, Douglas M. Lambert (Naval Research Laboratory), and Dr.
Andrew B, Martinez (Tulane University) discuss a narrow-beam, short-pulse, wide-bandwidth sys-
tem that yields detailed sub-bottom structures and properties.
61 COASTAL RESTORATION
Tim Osborn, John Foret (NOAA), David Burkholder, and Clay Menard (Louisiana Department of
Natural Resources) describe procedures to create, restore, protect, or enhance productive coastal
wetlands that are also critical fisheries habitats.
67 OCEANS 99 MTS / IEEE—ST Conference Preview
69 METHANE HYDRATE RESEARCH & DEVELOPMENT
Dr. Michael J, Cruickshank (MMTC Associates) and Dr. Stephen M, Masutani (Hawaii Natural Ener- ^
gy Institute) revisit this potential energy source and the possibility of major environmental ^
effects, which illustrate a need to focus on some unknown characteristics,
Editorial 7
Soundings 9
Capital Report 77
Marine Resources 80
Marine Electronics 82
Offshore Oil & Ocean Engineering 84
Meetings 86
Ocean Mining 101
Research/Survey Vessel Activity 88
Product Development 90
Ocean Business 94
International 96
Ocean Research 98
Environmental Monitoring 100
Contracts 87
Letters to the Editor 102
People 103
ST Looks Back 104
Soapbox 109
Professional Services Directory 105
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