EDCS Classification Symbolic Constant: ECC_ICE

EDCS Classification Code: 468

Definition:
Frozen <WATER>; ice.

EDCS Group Labels: ICE

Reference Type: DR

Reference:: [NSOED, "ice", I.1.a]

EDCS Classification Symbolic Constant: ECC_ICE_BOOM

EDCS Classification Code: 469

Definition:
A floating <BARRIER>, constrained by <ANCHOR>s, used to deflect the path of floating <ICE> in order to prevent the obstruction of <HYDROGRAPHIC_LOCK>s or <WATER_INTAKE>s, and to prevent damage to <BRIDGE_PIER>s and other <STRUCTURE>s; an ice boom.

EDCS Group Labels: ICE, HARBOUR_AND_PORT

Reference Type: PR

Reference:: [FACC, Annex A: BB202]

EDCS Classification Symbolic Constant: ECC_ICE_CLIFF

EDCS Classification Code: 470

Definition:
A perpendicular or steep face of a <GLACIER> or <ICE_SHELF> of considerable height; an ice cliff.

EDCS Group Labels: ICE

Reference Type: IR

Reference:: [FACC, Annex A: BJ040]

EDCS Classification Symbolic Constant: ECC_ICE_FIELD

EDCS Classification Code: 471

Definition:
A large <REGION> that is permanently covered by <ICE>; an ice field.

EDCS Group Labels: ICE, SURFACE_MATERIAL

Reference Type: NR

Reference:: none

EDCS Classification Symbolic Constant: ECC_ICE_GLAZE

EDCS Classification Code: 1292

Definition:
A coating of <ICE>, generally clear and smooth, formed on exposed <OBJECT>s by the freezing of a film of supercooled <WATER> deposited by <RAIN>, <DRIZZLE>, or <FOG> or possibly condensed from supercooled water vapour; ice glaze. <ICE_GLAZE> is denser, harder, and more transparent than either <RIME> or <HOAR_FROST>.

EDCS Group Labels: SURFACE_MATERIAL

Reference Type: IR

Reference:: [GMET]

EDCS Classification Symbolic Constant: ECC_ICE_KEEL

EDCS Classification Code: 472

Definition:
An irregular linear downward extension of <ICE> formed where two moving masses of <ICE> collide on a <WATER_BODY>; an ice keel.

EDCS Group Labels: ICE

Reference Type: NR

Reference:: none

EDCS Classification Symbolic Constant: ECC_ICE_PEAK

EDCS Classification Code: 473

Definition:
A rocky peak projecting above a surrounding <ICE_FIELD> that may be perpetually covered with <ICE>; a nunatak or ice peak.

EDCS Group Labels: ICE, PHYSIOGRAPHY

Reference Type: PR

Reference:: [FACC, Annex A: BJ060]

EDCS Classification Symbolic Constant: ECC_ICE_PELLETS

EDCS Classification Code: 1293

Definition:
<SOLID_PRECIPITATION> of transparent or translucent <PARTICLE>s of <ICE> that are spherical or irregular, rarely conical, and that have an <<OUTSIDE_DIAMETER>> of 5 millimetres or less; ice pellets. <SMALL_HAIL> is a form of ice pellets.

EDCS Group Labels: ATMOSPHERE

Reference Type: PR

Reference:: [GMET, "ice pellets"]

EDCS Classification Symbolic Constant: ECC_ICE_SHELF

EDCS Classification Code: 474

Definition:
A thick sheet of <ICE>, mostly afloat, with a level or undulating <SURFACE> that is bounded on the seaward side by an <ICE_CLIFF> and attached to <LAND>; an ice shelf.

EDCS Group Labels: ICE

Reference Type: PR

Reference:: [FACC, Annex A: BJ065]

EDCS Classification Symbolic Constant: ECC_ICE_SLUDGE

EDCS Classification Code: 1294

Definition:
Spongy whitish lumps of <ICE> a few centimetres in <<OUTSIDE_DIAMETER>> that are floating on the <WATER_BODY_SURFACE> of a shallow <SEA>; ice sludge.

EDCS Group Labels: WATER_BODY_SURFACE

Reference Type: DR

Reference:: [SP35, "sludge"]

EDCS Classification Symbolic Constant: ECC_ICEBERG

EDCS Classification Code: 475

Definition:
A very large mass of <ICE> floating loose in the sea after becoming detached from a <GLACIER> or <ICE_SHELF>; an iceberg.

EDCS Group Labels: ICE

Reference Type: DR

Reference:: [NSOED, "iceberg", 2]

EDCS Classification Symbolic Constant: ECC_IFR_REGION

EDCS Classification Code: 476

Definition:
A <REGION> in which instrument flight rules should be observed.

EDCS Group Labels: AIR_TRNSP

Reference Type: NR

Reference:: none

EDCS Classification Symbolic Constant: ECC_ILS_COMPONENT

EDCS Classification Code: 477

Definition:
An air navigation <COMPONENT> that is essential to the establishment and execution of a precision approach based on an ILS.

EDCS Group Labels: AIR_TRNSP

Reference Type: PR

Reference:: [FACC, Annex A: GA048]

EDCS Classification Symbolic Constant: ECC_ILS_TERMINAL_COMPONENT

EDCS Classification Code: 478

Definition:
An <ATS_ROUTE_COMPONENT> designated for channelling the flow of air traffic via ILS terminal procedures.

EDCS Group Labels: AIR_TRNSP

Reference Type: PR

Reference:: [FACC, Annex A: GA049]

EDCS Classification Symbolic Constant: ECC_INCINERATOR

EDCS Classification Code: 479

Definition:
A permanent <STRUCTURE> used for the disposal of waste products by burning; an incinerator.

EDCS Group Labels: LAND_INDUSTRY

Reference Type: PR

Reference:: [FACC, Annex A: AB020]

EDCS Classification Symbolic Constant: ECC_INDIGENOUS_PEOPLES_RESERVE

EDCS Classification Code: 480

Definition:
A <TRACT> set apart specifically for the use of a native people, including associated <STRUCTURE>s; an indigenous peoples reserve.

EDCS Group Labels: USAGE_REGION

Reference Type: NR

Reference:: none

EDCS Classification Symbolic Constant: ECC_INDIVIDUAL_FIGHTING_POSITION

EDCS Classification Code: 1295

Definition:
A <FIGHTING_POSITION> designed to accommodate an individual soldier and that soldier's <EQUIPMENT>.

EDCS Group Labels: MILITARY_SCIENCE

Reference Type: DR

Reference:: [NSOED]

EDCS Classification Symbolic Constant: ECC_INDUSTRIAL_BUILDING

EDCS Classification Code: 481

Definition:
A <BUILDING> used for the manufacture of goods or the processing of <MATERIAL>s; an industrial building.

EDCS Group Labels: LAND_INDUSTRY, SHELTER

Reference Type: NR

Reference:: none

EDCS Classification Symbolic Constant: ECC_INDUSTRIAL_OVEN

EDCS Classification Code: 482

Definition:
A <STRUCTURE> used for hardening, burning, or heating substances such as grain, meal, clay, or wood; an industrial oven.

EDCS Group Labels: ANCILLARY_ARTEFACT

Reference Type: NR

Reference:: none

EDCS Classification Symbolic Constant: ECC_INDUSTRIAL_WORKS

EDCS Classification Code: 483

Definition:
The <STRUCTURE>s, <GROUNDS>, and <EQUIPMENT> of a manufacturing <FACILITY>; an industrial works.

EDCS Group Labels: LAND_INDUSTRY

Reference Type: PR

Reference:: [FACC, Annex A: AC050]

EDCS Classification Symbolic Constant: ECC_INFANTRY_TRENCH

EDCS Classification Code: 484

Definition:
A <MILITARY_TRENCH>, typically integrated into a complex obstacle <SYSTEM>, that is used to provide cover, concealment, protected fighting positions and communications capability for infantry.

EDCS Group Labels: MILITARY_SCIENCE

Reference Type: NR

Reference:: none

EDCS Classification Symbolic Constant: ECC_INFRARED_MATERIAL_PROPERTY_SET

EDCS Classification Code: 485

Definition:
A <PROPERTY_SET> describing the infrared properties of the <MATERIAL>s composing an <OBJECT>.

EDCS Group Labels: EM_PHENOMENON

Reference Type: NR

Reference:: none

EDCS Classification Symbolic Constant: ECC_INLAND_SHORELINE

EDCS Classification Code: 486

Definition:
The <SHORELINE> of an inland <HYDROGRAPHY>.

EDCS Group Labels: DEMARCATION, HYDROLOGY

Reference Type: IR

Reference:: [FACC, Annex A: BH210]

EDCS Classification Symbolic Constant: ECC_INLAND_WATER

EDCS Classification Code: 487

Definition:
A <WATER_BODY> that either does not, or only minimally, experience tidal fluctuations; inland water.

EDCS Group Labels: HYDROLOGY

Reference Type: NR

Reference:: none

EDCS Classification Symbolic Constant: ECC_INLAND_WATER_BOTTOM

EDCS Classification Code: 488

Definition:
A bathymetric <REGION> underlying an <INLAND_WATER_SURFACE>.

EDCS Group Labels: BATHYMETRY, HYDROLOGY

Reference Type: NR

Reference:: none

EDCS Classification Symbolic Constant: ECC_INLAND_WATER_ELEVATION

EDCS Classification Code: 489

Definition:
A <LOCATION> associated with an <INLAND_WATER_SURFACE> with an elevation value relative to a specified <SURFACE_DATUM>.

EDCS Group Labels: POSITION, HYDROLOGY, SURVEY

Reference Type: IR

Reference:: [FACC, Annex A: CA035]

EDCS Classification Symbolic Constant: ECC_INLAND_WATER_SURFACE

EDCS Classification Code: 490

Definition:
The <SURFACE> of an <INLAND_WATER>.

EDCS Group Labels: HYDROLOGY

Reference Type: NR

Reference:: none

EDCS Classification Symbolic Constant: ECC_INLET

EDCS Classification Code: 1296

Definition:
A short, narrow <WATERCOURSE> connecting a <MARINE_BAY> or <LAGOON> with a <SEA>; an inlet.

EDCS Group Labels: HYDROLOGY

Reference Type: DR

Reference:: [SP35, "inlet"]

EDCS Classification Symbolic Constant: ECC_INS_ALIGNMENT_PAD

EDCS Classification Code: 491

Definition:
A designated <LOCATION> where the automated INS instruments of <AIRCRAFT> are reset before taking-off; an INS alignment pad.

EDCS Group Labels: AIR_TRNSP, USAGE_REGION

Reference Type: PR

Reference:: [FACC, Annex A: GB170]

EDCS Classification Symbolic Constant: ECC_INSECT

EDCS Classification Code: 492

Definition:
An <ARTHROPOD> of the superclass Hexapoda, characterized by having six feet; an insect.

EDCS Group Labels: LIVING_ORGANISM

Reference Type: DR

Reference:: [NSOED, "hexopod"]

EDCS Classification Symbolic Constant: ECC_INSTITUTIONAL_FACILITY

EDCS Classification Code: 493

Definition:
A <FACILITY> housing an established organization or foundation, especially one dedicated to education, public service, or culture, that provides a place for the care of persons who are destitute, disabled, or mentally ill; an institutional facility.

EDCS Group Labels: ADMINISTRATION, SHELTER

Reference Type: NR

Reference:: none

EDCS Classification Symbolic Constant: ECC_INTEREST_SITE

EDCS Classification Code: 494

Definition:
A <SITE> declared to be of national or provincial historical significance or interest, and maintained for the public.

EDCS Group Labels: USAGE_REGION

Reference Type: PR

Reference:: [FACC, Annex A: AL201]

EDCS Classification Symbolic Constant: ECC_INTERIOR_WALL

EDCS Classification Code: 1297

Definition:
A <WALL> in a <BUILDING> separating two <ROOM>s from each other; an interior wall.

EDCS Group Labels: BUILDING_COMPONENT

Reference Type: DR

Reference:: [NSOED]

EDCS Classification Symbolic Constant: ECC_INTERIOR_WALL_OPENING

EDCS Classification Code: 1298

Definition:
An opening (for example: an uncovered <APERTURE> in an <INTERIOR_WALL> or the space above a <WALL> of partial <<HEIGHT>>) that supports the passage of <MATERIAL>s or visibility into an adjoining <ROOM>.

EDCS Group Labels: BUILDING_COMPONENT, LIGHTING_AND_VISIBILITY

Reference Type: DR

Reference:: [NSOED]

EDCS Classification Symbolic Constant: ECC_INTERNATIONAL_DATE_LINE

EDCS Classification Code: 495

Definition:
A <LINE> generally coinciding with the 180^th meridian on the <EARTH>, modified to avoid <LAND>, and designated as the place where each calendar day begins; the International Date Line.

EDCS Group Labels: DEMARCATION

Reference Type: PR

Reference:: [FACC, Annex A: FA110]

EDCS Classification Symbolic Constant: ECC_INTERPLANETARY_MAGNETIC_FIELD

EDCS Classification Code: 1299

Definition:
The <MAGNETIC_FIELD> in a <SOLAR_SYSTEM> carried with its <STELLAR_WIND>.

EDCS Group Labels: EM_PHENOMENON, SPACE

Reference Type: IR

Reference:: [TASC]

EDCS Classification Symbolic Constant: ECC_INUNDATED_LAND

EDCS Classification Code: 496

Definition:
<LAND> subject to controlled inundation (e.g., flooded by the regulation of the level of a <WATER_BODY> impounded by a <DAM>), and that is normally associated with permanently flooded ground in which <TREE>s are still standing; inundated land.

EDCS Group Labels: PHYSIOGRAPHY

Reference Type: PR

Reference:: [FACC, Annex A: BH091]

EDCS Classification Symbolic Constant: ECC_INVERTEBRATE

EDCS Classification Code: 497

Definition:
An <ANIMAL> without a backbone or spinal column, not belonging to the subphylum Vertebrata; an invertebrate.

EDCS Group Labels: LIVING_ORGANISM

Reference Type: DR

Reference:: [NSOED, "invertebrate"]

EDCS Classification Symbolic Constant: ECC_IONOSPHERE

EDCS Classification Code: 498

Definition:
The electrically conducting layer of a planetary <ATMOSPHERE> caused by ionization of rarified atmospheric gases by incident solar radiation; an ionosphere.

EDCS Group Labels: SPACE

Reference Type: NR

Reference:: none

EDCS Classification Symbolic Constant: ECC_IONOSPHERE_ELECTRON_DENSITY_PROPERTY_SET

EDCS Classification Code: 499

Definition:
A <PROPERTY_SET> describing the electron-related characteristics (e.g., electron density) of an <IONOSPHERE>.

EDCS Group Labels: SPACE

Reference Type: NR

Reference:: none

EDCS Classification Symbolic Constant: ECC_IONOSPHERE_SCINTILLATION_PROPERTY_SET

EDCS Classification Code: 500

Definition:
A <PROPERTY_SET> describing the distortion of the propagation of electromagnetic radiation through an <IONOSPHERE> due to medium density irregularities.

EDCS Group Labels: EM_PHENOMENON, SPACE

Reference Type: NR

Reference:: none

EDCS Classification Symbolic Constant: ECC_IONOSPHERIC_D_REGION

EDCS Classification Code: 1300

Definition:
The lowest daytime <REGION> of the <IONOSPHERE> characterized by weak concentrations of ions and located roughly between the <<ALTITUDE_MSL>>s of 50 and 90 kilometres; the D-region or D-layer.

EDCS Group Labels: ATMOSPHERE, EM_PHENOMENON

Reference Type: IR

Reference:: [TASC]

EDCS Classification Symbolic Constant: ECC_IONOSPHERIC_E_REGION

EDCS Classification Code: 1301

Definition:
A daytime <REGION> of the <IONOSPHERE> characterized by concentrations of O₂⁺ and NO⁺ ions and located roughly between the <<ALTITUDE_MSL>> s of 85 and 140 kilometres; the E-region or E-layer.

EDCS Group Labels: ATMOSPHERE, EM_PHENOMENON

Reference Type: IR

Reference:: [TASC]

EDCS Classification Symbolic Constant: ECC_IONOSPHERIC_F1_REGION

EDCS Classification Code: 1302

Definition:
A daytime <REGION> of the <IONOSPHERE>, above the <IONOSPHERIC_E_REGION>, characterized by weak concentrations of O₂⁺ions and located roughly between the <<ALTITUDE_MSL>>s of 120 and 200 kilometres; the F1-region or F1-layer.

EDCS Group Labels: ATMOSPHERE, EM_PHENOMENON

Reference Type: IR

Reference:: [TASC]

EDCS Classification Symbolic Constant: ECC_IONOSPHERIC_F2_REGION

EDCS Classification Code: 1303

Definition:
A daytime <REGION> of the <IONOSPHERE>, above the <IONOSPHERIC_E_REGION>, characterized by weak concentrations of O₂⁺ions and located roughly between the <<ALTITUDE_MSL>>s of 200 and 1 500 kilometres; the F2-region or F2-layer.

EDCS Group Labels: ATMOSPHERE, EM_PHENOMENON

Reference Type: IR

Reference:: [TASC]

EDCS Classification Symbolic Constant: ECC_IRRIGATION_DITCH

EDCS Classification Code: 501

Definition:
A <TRENCH> that is constructed for the purpose of irrigation or drainage; an irrigation ditch.

EDCS Group Labels: AGRICULTURE, PHYSIOGRAPHY, LAND_TRNSP

Reference Type: PR

Reference:: [FACC, Annex A: BH030]

EDCS Classification Symbolic Constant: ECC_ISLAND

EDCS Classification Code: 502

Definition:
<LAND> smaller (usually much smaller) than a continent and surrounded by a <WATER_BODY>; an island.

EDCS Group Labels: PHYSIOGRAPHY

Reference Type: PR

Reference:: [FACC, Annex A: BA030]

EDCS Classification Symbolic Constant: ECC_ISOGONIC_LINE

EDCS Classification Code: 503

Definition:
An <ISOPLETH> that connects <LOCATION>s of equal magnetic variation; an isogonic line.

EDCS Group Labels: EM_PHENOMENON

Reference Type: PR

Reference:: [FACC, Annex A: ZC050]

EDCS Classification Symbolic Constant: ECC_ISOPLETH

EDCS Classification Code: 504

Definition:
A <LINE> defined by <LOCATION>s for which some chosen quantity has the same value; an isopleth.

EDCS Group Labels: ABSTRACT_CONCEPT

Reference Type: NR

Reference:: none

EDCS Classification Symbolic Constant: ECC_ISTHMUS

EDCS Classification Code: 1304

Definition:
A <TERRAIN_STRIP> that is bordered on both sides by <WATER_BODY>s and that connects two larger bodies of <LAND>; an isthmus.

EDCS Group Labels: PHYSIOGRAPHY

Reference Type: DR

Reference:: [SP35, "isthmus"]