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Thesaurus

ocean

ocean basins
RT	abyssal plains
	age
	basins
	continental drift
	crust
	Deep Sea Drilling Project
	geosynclines
	marginal basins
	marine geology
	Ocean Drilling Program
	ocean floors
	oceanization
	oceanography
	paleo-oceanography
	paleogeography
	plate tectonics
	sea-floor spreading
	tec
SN	Used for studies on the major ocean basins, their origin, evolution and present configuration. For basins found within the oceans and for sedimentation studies, see ocean floors.

ocean circulation
RT	Antarctic Bottom Water
	bottom currents
	boundary layer
	carbonate compensation depth
	circulation
	climate-induced circulation
	continental shelf
	continental slope
	current directions
	diffusion
	downwelling
	HEBBLE
	longshore currents
	marine geology
	North Atlantic
SN	Primarily used for special indexes.

Ocean County New Jersey
BT	United States
	.New Jersey
	..Ocean County New Jersey
RT	Great Bay
	Pine Barrens
SN	On the Atlantic Ocean in E New Jersey.

ocean crust
USE	oceanic crust

ocean currents
BT	currents
	.ocean currents
NT	longshore currents
RT	continental shelf
	ocean circulation
	upwelling
	downwelling
	paleocurrents
	fluvial currents
	tidal currents
SN	Before 1985, also search currents AND ocean circulation. Added to Thesaurus in 1985.

Ocean Drilling Program
NT	Leg 100
	Leg 101
	Leg 102
	Leg 103
	Leg 104
	Leg 105
	Leg 106
	Leg 107
	Leg 108
	Leg 109
	Leg 110
	Leg 111
	Leg 112
	Leg 113
	Leg 114
	Leg 115
	Leg 116
	Leg 117
	Leg 118
	Leg 119
	Leg 120
	Leg 121
	Leg 122
	Leg 123
	Leg 124
	Leg 124E
	Leg 125
	Leg 126
	Leg 127
	Leg 128
	Leg 129
	Leg 130
	Leg 131
	Leg 132
	Leg 133
	Leg 134
	Leg 135
	Leg 136
	Leg 137
	Leg 138
	Leg 139
	Leg 140
	Leg 141
	Leg 142
	Leg 143
	Leg 144
	Leg 145
	Leg 146
	Leg 147
	Leg 148
	Leg 149
	Leg 150
	Leg 151
	Leg 152
	Leg 153
	Leg 154
	Leg 155
	Leg 156
	Leg 157
	Leg 158
	Leg 159
	Leg 159T
	Leg 160
	Leg 161
	Leg 162
	Leg 163
	Leg 164
	Leg 165
	Leg 166
	Leg 167
	Leg 168
	Leg 169
	Leg 169S
	Leg 170
	Leg 171A
	Leg 171B
	Leg 172
	Leg 173
	Leg 174A
	Leg 174B
	Leg 175
	Leg 176
	Leg 177
UF	ODP
RT	ocean basins
	ocean floors
	oceanography
	marine geology
	research vessels
	Deep Sea Drilling Project
	JOIDES
	IPOD
SN	A continuation of DSDP and IPOD, beginning with Leg 100. Added to Thesaurus in 1989.

ocean floors
UF	sea floors
RT	bottom features
	abyssal plains
	continental rise
	continental margin
	continental shelf
	continental slope
	bathymetric maps
	bathymetry
	hardground
	black smokers
	furrows
	dredging
	Deep Sea Drilling Project
	Exclusive Economic Zone
	fracture zones
	hydrothermal vent
SN	Used for discussions of features of ocean floors, as well as processes taking place there. For very large scale, perhaps hemispheric, oceanic features and activity, see ocean basins.

ocean ridges
USE	mid-ocean ridges

ocean waves
NT	breaking waves
	catastrophic waves
	ideal waves
RT	circulation
	diffraction
	internal waves
	littoral erosion
	longshore currents
	marine geology
	ocean circulation
	oceanography
	propagation
	seiches
	shoaling
	shorelines
	surges
	transformations
	tsunamis
	waves
SN	Used for special indexes or for papers relating physical oceanography to marine geology.

ocean, world
USE	world ocean

ocean-bottom seismometers
USE	ocean bottom seismographs

ocean-floor spreading
USE	sea-floor spreading

ocean-island basalts
BT	igneous rocks
	.volcanic rocks
	..basalts
	...ocean-island basalts
UF	OIB
RT	alkali basalts
	nephelinite
	tholeiite
SN	Tholeiites, alkali basalts and nephelinites found on submarine volcanoes which form ocean islands away from ocean ridges. Chemically distinct from mid-ocean ridge basalts.

Oceania
NT	Kiribati
	Melanesia
	Micronesia
	Polynesia
UF	Oceanica
RT	Australia
	New Zealand
	Pacific Ocean
	West Pacific Ocean Islands
	Australasia
	Malay Archipelago
SN	Collective name for the islands and island groups of the central and south Pacific Ocean. Before 1981, Pacific Ocean was a broader term. See East Pacific Ocean Islands, West Pacific Ocean Islands, and Malay Archipelago for other Pacific islands which coul

oceanic
SN	A valid term through 1977. See oceanic crust.

oceanic crust
BT	crust
	.oceanic crust
UF	ocean crust
	oceanic genesis
RT	transition zones
	plate tectonics
	underplating
	ophiolite complexes
	sheeted dikes
	oceanization
	Iceland Research Drilling Project
	Rivera Ocean Seismic Experiment
SN	Also search (oceanic type OR oceanic) AND crust; (oceanic AND genesis).

oceanic genesis
USE	oceanic crust

oceanic ridges
SN	A valid term through 1971. After 1971, use mid-ocean ridges.

oceanic trench
USE	trenches

oceanic type
SN	As of 1981, no longer a valid term for GeoRef. Use oceanic crust.

Oceanica
USE	Oceania

oceanization
RT	continental crust
	ocean basins
	oceanic crust
	rifting
	plate tectonics
SN	Process in which oceanic crust is formed from continental crust. Added to Thesaurus in 1995.

Oceanographer fracture zone
BT	Atlantic Ocean
	.North Atlantic
	..Oceanographer fracture zone
RT	Mid-Atlantic Ridge
	Leg 82
SN	N Atlantic, across the Mid-Atlantic Ridge. Indexed with Mid-Atlantic Ridge as applicable. Added to Thesaurus in 1989.

oceanography
UF	oceanology
RT	bottom features
	abyssal plains
	convection
	air-sea interface
	Alvin
	AMCOR
	continental shelf
	continental slope
	bottom water
	catalogs
	bibliography
	Continental Offshore Stratigraphic Test
	bathymetry
	boundary layer
	carbonate compensation depth
	CYANA
	Deep Sea Dr
SN	Used for special indexes and the discipline as a whole.

Oceanography (category)
SN	Oceanography (including marine geology), GeoRef category code 07, is one of thirty categories used to classify documents in GeoRef. Each reference in GeoRef is assigned one or more categories. Categories can be used, in addition to Terms, to refine search

oceanology
USE	oceanography

oceans
SN	A valid index term through 1977 used in combination with circulation (i.e. oceans, circulation). After 1977 use ocean circulation.

Oceanus Procellarum
USE	Ocean of Storms

Scientific Earth Drilling Information Service - SEDIS