Glossary

Maritime glossary, terms beginning with G (page 7)

All maritime glossary terms that begin with the letter G, drawn from every subject section. 1586 entries.

Showing 86 of 1586 terms (page 7 of 7).

Guldhammer-Harvald method X162. Naval Architecture, Stability, Resistance, and Structural Design: Resistance prediction procedure by H E Guldhammer and S A Harvald (Copenhagen 1974) based on systematic merchant-ship data.
Gulf Agency Bunker Brokerage X72. Bunkering Hubs and Bunker Suppliers: Bunker brokerage and advisory service offered by Gulf Agency Company Hub Services.
Gulf Coast Ammonia Texas X140. Ammonia as Marine Fuel and Hydrogen Shipping: GCA LLC ammonia plant in Texas City delivered 2024 with 1.3 Mtpa capacity.
Gulf Coast Maritime Conference X119. Maritime Conferences, Trade Shows and Awards: Annual event in New Orleans focused on inland waterways.
Gulf Coast Tugs X137. Harbour Tugs, Towage Operators and Tug Builders: Collective term for harbour towage operators in US Gulf ports such as Crescent, Bisso and G and H.
Gulf Craft X35. Yacht and Superyacht Industry: UAE builder in Umm Al Quwain producing the Majesty and Nomad series.
Gulf Intracoastal Waterway X103. US Inland Waterway Towing and Barge: The protected coastal waterway extending from Brownsville, Texas to St. Marks, Florida used heavily by inland tow operators.
Gulf Marine X145. P&I Clubs, War Risk Insurers, and Marine Insurance Markets: Gulf Insurance Group marine line.
Gulf Marine Services bunker fleet X116. Global Bunker Anchorages, Hubs and Supply Infrastructure: Bunker barge fleet attending Fujairah and Khor Fakkan anchorages.
Gulf Marine Services Bunker Supply X72. Bunkering Hubs and Bunker Suppliers: Limited bunker supply to offshore vessels by Gulf Marine Services in UAE waters.
Gulf of Aden X10. Marine Biology, Fisheries and Oceanography: Embayment between Yemen and Somalia connecting the Red Sea and the Arabian Sea.
Gulf of Aden Special Area (Annex I) X171. MARPOL 73/78: Annex-by-Annex Detailed Glossary: An Annex I oil special area, with discharge restrictions effective from the date special area reception facilities became operative.
Gulf of Alaska X10. Marine Biology, Fisheries and Oceanography: Marginal sea of the North Pacific along southern Alaska.
Gulf of Alaska Pollock Fishery X87. Fishing Vessels and Fisheries Management: US managed fishery distinct from Bering Sea pollock and subject to separate TAC and seasonal allocations.
Gulf of Bothnia X10. Marine Biology, Fisheries and Oceanography: Northern arm of the Baltic Sea between Sweden and Finland.
Gulf of California X10. Marine Biology, Fisheries and Oceanography: Sea of Cortez, between Baja California and the Mexican mainland.
Gulf of Guinea X22. Piracy, Maritime Security and Armed Protection: Atlantic waters off West Africa, current epicenter of kidnap for ransom piracy.
Gulf of Guinea Declaration on Suppression of Piracy E1. Maritime security, geopolitics and risk: 2021 industry/government commitment.
Gulf of Guinea Maritime Collaboration Forum E1. Maritime security, geopolitics and risk: SHADE-style coordination body.
Gulf of Guinea Risk Assessment X150. Tanker Vetting: OCIMF SIRE, CDI, RightShip, and TMSA: A regional security overlay applied during vetting in addition to BMP5 and ISPS compliance.
Gulf of Khambhat X118. Ship Recycling Yards, Beaches and Regulation: Body of water hosting the Alang-Sosiya cluster, with one of the world's highest tidal ranges enabling beaching at high spring tide.
Gulf of Maine X10. Marine Biology, Fisheries and Oceanography: Semi-enclosed sea on the U.S./Canada Atlantic coast.
Gulf of Maine Cod X87. Fishing Vessels and Fisheries Management: Stock managed under the New England Fishery Management Council Northeast Multispecies Plan.
Gulf of Maine Warming D5. Coastal processes, sea-level, cryosphere and ocean observation science: Rapid warming of a regional sea important to fisheries.
Gulf of Mexico X10. Marine Biology, Fisheries and Oceanography: Atlantic basin bordered by the U.S., Mexico, and Cuba.
Gulf of Mexico Reef Fish IFQ X87. Fishing Vessels and Fisheries Management: US individual fishing quota program for red snapper and grouper, implemented in 2007 and 2010.
Gulf of Oman E1. Maritime security, geopolitics and risk: Strategic approach to the Strait of Hormuz.
Gulf of Thailand X10. Marine Biology, Fisheries and Oceanography: Shallow embayment of the South China Sea.
Gulf Oil Marine X61. Marine Lubricants and Cylinder Oils: Marine lubricants supplier with the GulfSea range of cylinder, system, and trunk piston engine oils.
Gulf Seafarers' Welfare X154. Maritime Welfare, Seafarer Charities, and MLC Rights: Welfare provision in the Arabian Gulf coordinated by ISWAN partners in Dubai, Sharjah, and Fujairah.
Gulf Standby Vessel E4. Cruise, offshore energy and auxiliary/specialised fleets: ERRV class in UK/Norwegian sectors.
Gulf Stream D1. Physical and chemical oceanography and marine meteorology: Warm western boundary current of the North Atlantic.
Gulf Stream Rings X10. Marine Biology, Fisheries and Oceanography: Mesoscale warm- and cold-core eddies shed from Gulf Stream meanders.
Gulf Strike Team X126. Marine Oil Spill Response and OPRC Regimes: USCG Atlantic Strike Team forward unit for Gulf of Mexico, headquartered in Mobile, Alabama.
Gulf Wind I X42. Offshore Wind Installation and Cable Lay: BOEM Gulf of Mexico offshore wind lease area auctioned in 2023.
Gulfs Area (Annex I) X171. MARPOL 73/78: Annex-by-Annex Detailed Glossary: The Annex I oil special area covering the Persian Gulf and the Gulf of Oman, effective from 1 August 2008 once reception facilities were declared.
Gulftainer X15. Ports, Terminals and Stevedoring: UAE-based terminal operator with facilities in the Middle East and US.
Gunboat Diplomacy E2. Naval, defence and maritime law enforcement: Coercive use of naval presence (Cable).
Gunfleet Sands X42. Offshore Wind Installation and Cable Lay: UK offshore wind farm off Clacton owned by Orsted and Marubeni.
GUNiO X73. Marine Hydrography, Charting and ENC: Glavnoye Upravleniye Navigatsii i Okeanografii, the Russian Federation Department of Navigation and Oceanography of the Ministry of Defence in Saint Petersburg.
Gunter Rig F5. The Reference Layer: Glossary, Units, Signals and Information Sources: Sliding-topmast fore-and-aft rig.
Guntersville Lock X103. US Inland Waterway Towing and Barge: A Tennessee Valley Authority lock on the Tennessee River in Alabama.
Gunwale F4. Recreational Boating, Yachting and Sport: Upper edge of the hull at the side.
Gurnard Bay Yacht Club F4. Recreational Boating, Yachting and Sport: Generic example of a UK coastal club.
Gurtam Wialon X74. AIS Data, Vessel Tracking and Maritime Intelligence: Telematics platform whose maritime modules ingest AIS and GPS feeds.
Gusset plate X58. Shipbuilding Yards and Construction: Triangular bracket reinforcing the connection between primary members.
Gust load X19. Engine Room Watchkeeping and UMS Operations: Transient torque on the shaft from heavy weather, monitored by torsion meter.
Gustav Konig X33. Inland Navigation and Barge Operations: Reference vessel for CEMT Class III.
Gusto MSC X153. Offshore Drilling Rigs, FPSOs, and Offshore Vessels: Dutch offshore engineering firm whose designs include the CJ-70 jackup and various pipelay and crane vessels.
GustoMSC X123. Offshore Wind Installation Vessels and Operators: Dutch jack-up rig designer, NG-9000C and NG-14000X-G designs used for multiple WTIVs.
GustoMSC NG-2500X X153. Offshore Drilling Rigs, FPSOs, and Offshore Vessels: GustoMSC liftboat design used by service providers in shallow water markets.
GustoMSC P-10000 X153. Offshore Drilling Rigs, FPSOs, and Offshore Vessels: GustoMSC ultra-deepwater drillship design used by Stena DrillMAX-class vessels.
Guy X3. Ship Handling, Seamanship and Deck Vocabulary: Rope steadying a boom or derrick.
Guy Wire X104. Project Cargo Forwarders and Heavy Transport: Tensioned cable supporting a tower crane or temporary structure during lifts.
Guyana Maritime Administration Department X98. Ship Registries and Flag States: Flag administration of the Cooperative Republic of Guyana.
Guyot D2. Hydrography, tides, waves, bathymetry and marine geology: Flat-topped seamount.
Guyot 18000 X153. Offshore Drilling Rigs, FPSOs, and Offshore Vessels: GustoMSC drillship design optimized for ultra-deepwater drilling to 12,000 foot water depth.
GVA 4000 X153. Offshore Drilling Rigs, FPSOs, and Offshore Vessels: Goteborg Varv AB semisubmersible drilling rig design used by several second-generation rigs.
GVA 4500 X153. Offshore Drilling Rigs, FPSOs, and Offshore Vessels: Goteborg Varv AB harsh-environment semisubmersible drilling design.
GVA 7500 X153. Offshore Drilling Rigs, FPSOs, and Offshore Vessels: Harsh-environment semisubmersible design from GVA used by sixth-generation rigs such as Stena Carron.
Gwangyang X92. Marine Steel Suppliers and Shipbuilding Plate: POSCO integrated steelworks on the south coast of South Korea, one of the largest single site plants worldwide.
GWO X14. Offshore Oil and Gas Marine Operations: Global Wind Organisation; sets BST and BTT wind training standards.
GWP X70. Reefer Containers and Cold Chain Shipping: Global Warming Potential, the relative climate impact of a refrigerant compared with carbon dioxide over 100 years, central to HFC phase-down policy.
GWP (Global Warming Potential) X34. Decarbonization, Alternative Fuels and Carbon Pricing: Relative warming effect of a gas over 20 or 100 years compared with CO2; AR6 values are the IMO LCA reference.
GWP-100 X34. Decarbonization, Alternative Fuels and Carbon Pricing: 100-year GWP; methane value approximately 28 to 30, N2O approximately 265, under AR6.
GWP-20 X34. Decarbonization, Alternative Fuels and Carbon Pricing: 20-year GWP; methane value approximately 84 under AR6.
GWS X59. Offshore Wind O&M, CTVs and SOVs: See Global Wind Service.
Gwynt y Mor X105. Offshore Wind Farm Installation and Vessels: 576 MW Welsh offshore wind farm developed by RWE off North Wales and commissioned in 2015.
GX (Global Xpress) X23. AIS, GMDSS, IALA Buoyage and Aids to Navigation: Inmarsat Ka-band broadband network using I-5 and I-6 satellites.
GX Terminal X68. Maritime Satcom and Telecommunications: Inmarsat-approved Ka-band terminal certified for use on the Global Xpress network.
Gybe X84. Yacht Racing, Regattas and Sailing Governance: A maneuver in which the stern passes through the wind, swinging the boom across.
Gypsum X1. Cargo Science, Commodities and Cargo Care: Calcium sulfate; bulk Group C.
Gypsum terminal X15. Ports, Terminals and Stevedoring: dry bulk berth for gypsum trades, common in Mediterranean and Gulf.
Gypsy X3. Ship Handling, Seamanship and Deck Vocabulary: Notched wheel on a windlass that grips the anchor chain.
Gyradius B1. Naval Architecture: Radius of gyration about a principal axis.
Gyration Test X1. Cargo Science, Commodities and Cargo Care: Lab method (Modified Proctor/Fagerberg) for TML.
Gyro Compass F5. The Reference Layer: Glossary, Units, Signals and Information Sources: North-seeking compass based on gyroscopic precession.
Gyro error X16. Nautical Science, Navigation and COLREGs: Difference between true north and gyro north, expressed as east or west.
Gyro repeater X16. Nautical Science, Navigation and COLREGs: Compass card driven by a gyrocompass at a remote location.
Gyro Stabilization X68. Maritime Satcom and Telecommunications: Use of mechanical or fiber-optic gyros to keep a maritime antenna pointed at the satellite despite vessel motion.
Gyrocompass C2. Ship operations, crewing and technical management: Heading reference required by SOLAS Chapter V.
Gyroscope X96. Hull Integrity Monitoring and Strain Gauges: Inertial sensor measuring angular rate, combined with accelerometers within an IMU.
GZ curve B1. Naval Architecture: Static righting arm versus heel angle.
GZ curve (collision avoidance) B3. Nautical Science: Misnomer; see relative motion plotting.
GZ curve (intact ice) X27. Polar Code, Ice Navigation and Polar Operations: Stability requirements must consider ice accretion topside weight per Polar Code Chapter 4.
GZ righting arm X162. Naval Architecture, Stability, Resistance, and Structural Design: Horizontal distance between the lines of action of weight and buoyancy at heel angle phi, equal to KN minus (KG times sin phi).