EDCS Reference Manual
EDCS Classification Dictionary - Concepts whose label begin with the letter I

EDCS Classification Label: ICE

EDCS Classification Symbolic Constant: ECC_ICE

EDCS Classification Code: 546

Definition:
Frozen <WATER>; ice [SOED, "ice", 1.a].

EDCS Group Labels: ICE

Reference Type: n/a

Reference: none

Supplemental References: none


EDCS Classification Label: ICE_BOOM

EDCS Classification Symbolic Constant: ECC_ICE_BOOM

EDCS Classification Code: 547

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

EDCS Group Labels: HYDROGRAPHIC_ARTEFACT, HYDROGRAPHIC_TRNSP, ICE, SHELTER, TRNSP

Reference Type: PR

Reference: [FACC, Annex A: BB202]

Supplemental References: none


EDCS Classification Label: ICE_CLIFF

EDCS Classification Symbolic Constant: ECC_ICE_CLIFF

EDCS Classification Code: 548

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]

Supplemental References: none


EDCS Classification Label: ICE_FIELD

EDCS Classification Symbolic Constant: ECC_ICE_FIELD

EDCS Classification Code: 549

Definition:
A <FROZEN_PRECIPITATION_FIELD> that consists of <ICE>; an ice-field.

EDCS Group Labels: ICE, PHYSIOGRAPHY

Reference Type: n/a

Reference: none

Supplemental References: none


EDCS Classification Label: ICE_GLAZE

EDCS Classification Symbolic Constant: ECC_ICE_GLAZE

EDCS Classification Code: 550

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: ICE, SURFACE_MATERIAL

Reference Type: IR

Reference: [GMET, "glaze"]

Supplemental References: none


EDCS Classification Label: ICE_KEEL

EDCS Classification Symbolic Constant: ECC_ICE_KEEL

EDCS Classification Code: 551

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

EDCS Group Labels: ICE

Reference Type: IR

Reference: [SP35, "ice keel"]

Supplemental References: none


EDCS Classification Label: ICE_PEAK

EDCS Classification Symbolic Constant: ECC_ICE_PEAK

EDCS Classification Code: 552

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

EDCS Group Labels: ICE, PHYSIOGRAPHY, SURFACE_MATERIAL

Reference Type: PR

Reference: [FACC, Annex A: BJ060]

Supplemental References: none


EDCS Classification Label: ICE_PELLETS

EDCS Classification Symbolic Constant: ECC_ICE_PELLETS

EDCS Classification Code: 553

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, ICE, MATERIAL

Reference Type: PR

Reference: [WMO182, "ice pellets"]

Supplemental References: none


EDCS Classification Label: ICE_SHELF

EDCS Classification Symbolic Constant: ECC_ICE_SHELF

EDCS Classification Code: 554

Definition:
A thick sheet of <ICE>, mostly afloat on a <WATERBODY_SURFACE>, 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, WATERBODY_SURFACE

Reference Type: PR

Reference: [FACC, Annex A: BJ065]

Supplemental References: none


EDCS Classification Label: ICE_SLUDGE

EDCS Classification Symbolic Constant: ECC_ICE_SLUDGE

EDCS Classification Code: 555

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

EDCS Group Labels: ICE, WATERBODY_SURFACE

Reference Type: IR

Reference: [SP35, "sludge"]

Supplemental References: none


EDCS Classification Label: ICEBERG

EDCS Classification Symbolic Constant: ECC_ICEBERG

EDCS Classification Code: 556

Definition:
A very large mass of <ICE> floating loose in a <WATERBODY> after becoming detached from a <GLACIER> or <ICE_SHELF>; an iceberg [SOED, "iceberg", 2].

EDCS Group Labels: ICE, WATERBODY_SURFACE

Reference Type: n/a

Reference: none

Supplemental References: none


EDCS Classification Label: IFR_REGION

EDCS Classification Symbolic Constant: ECC_IFR_REGION

EDCS Classification Code: 557

Definition:
A <REGION> in which IFR should be observed.

EDCS Group Labels: AIR_TRNSP, TRNSP

Reference Type: IR

Reference: [AIM]

Supplemental References: none


EDCS Classification Label: ILS_COMPONENT

EDCS Classification Symbolic Constant: ECC_ILS_COMPONENT

EDCS Classification Code: 558

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, TRNSP

Reference Type: PR

Reference: [FACC, Annex A: GA048]

Supplemental References: none


EDCS Classification Label: ILS_TERMINAL_COMPONENT

EDCS Classification Symbolic Constant: ECC_ILS_TERMINAL_COMPONENT

EDCS Classification Code: 559

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

EDCS Group Labels: AIR_TRNSP, TRNSP

Reference Type: PR

Reference: [FACC, Annex A: GA049]

Supplemental References: none


EDCS Classification Label: INCINERATOR

EDCS Classification Symbolic Constant: ECC_INCINERATOR

EDCS Classification Code: 560

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

EDCS Group Labels: INFRASTRUCTURE, TEMPERATURE

Reference Type: PR

Reference: [FACC, Annex A: AB020]

Supplemental References: none


EDCS Classification Label: INDIGENOUS_BURIAL_GROUND

EDCS Classification Symbolic Constant: ECC_INDIGENOUS_BURIAL_GROUND

EDCS Classification Code: 561

Definition:
A <CEMETERY> for native peoples, generally without <MEMORIAL_MONUMENT>s; an indigenous burial ground.

EDCS Group Labels: USAGE_REGION

Reference Type: n/a

Reference: none

Supplemental References: [SOED, "burial ground"]


EDCS Classification Label: INDIGENOUS_PEOPLES_RESERVE

EDCS Classification Symbolic Constant: ECC_INDIGENOUS_PEOPLES_RESERVE

EDCS Classification Code: 562

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

EDCS Group Labels: USAGE_REGION

Reference Type: n/a

Reference: none

Supplemental References: none


EDCS Classification Label: INDIVIDUAL_FIGHTING_POSITION

EDCS Classification Symbolic Constant: ECC_INDIVIDUAL_FIGHTING_POSITION

EDCS Classification Code: 563

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

EDCS Group Labels: MILITARY_SCIENCE

Reference Type: n/a

Reference: none

Supplemental References: none


EDCS Classification Label: INDUSTRIAL_BUILDING

EDCS Classification Symbolic Constant: ECC_INDUSTRIAL_BUILDING

EDCS Classification Code: 564

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

EDCS Group Labels: INDUSTRY, LAND_INDUSTRY, SHELTER

Reference Type: n/a

Reference: none

Supplemental References: none


EDCS Classification Label: INDUSTRIAL_OVEN

EDCS Classification Symbolic Constant: ECC_INDUSTRIAL_OVEN

EDCS Classification Code: 565

Definition:
An industrial <STRUCTURE> used for hardening, burning, or heating <MATERIAL>s (for example: grain, meal, clay, or wood); an industrial oven.

EDCS Group Labels: INDUSTRY

Reference Type: n/a

Reference: none

Supplemental References: none


EDCS Classification Label: INDUSTRIAL_WORKS

EDCS Classification Symbolic Constant: ECC_INDUSTRIAL_WORKS

EDCS Classification Code: 566

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

EDCS Group Labels: INDUSTRY, LAND_INDUSTRY, USAGE_REGION

Reference Type: PR

Reference: [FACC, Annex A: AC050]

Supplemental References: none


EDCS Classification Label: INFANTRY_TRENCH

EDCS Classification Symbolic Constant: ECC_INFANTRY_TRENCH

EDCS Classification Code: 567

Definition:
A <MILITARY_TRENCH>, typically integrated into a complex <SYSTEM> of <TERRAIN_OBSTACLE>s, that is used to provide cover, concealment, protected <FIGHTING_POSITION>s, and communications capability for infantry.

EDCS Group Labels: COMMUNICATION, MILITARY_SCIENCE

Reference Type: n/a

Reference: none

Supplemental References: none


EDCS Classification Label: INFRARED_MATERIAL_PROPERTY_SET

EDCS Classification Symbolic Constant: ECC_INFRARED_MATERIAL_PROPERTY_SET

EDCS Classification Code: 568

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

EDCS Group Labels: EM_PHENOMENON, MATERIAL, PROPERTY_SET

Reference Type: n/a

Reference: none

Supplemental References: none


EDCS Classification Label: INLAND_SHORELINE

EDCS Classification Symbolic Constant: ECC_INLAND_SHORELINE

EDCS Classification Code: 569

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

EDCS Group Labels: DEMARCATION, PHYSIOGRAPHY

Reference Type: IR

Reference: [FACC, Annex A: BH210]

Supplemental References: none


EDCS Classification Label: INLAND_WATER

EDCS Classification Symbolic Constant: ECC_INLAND_WATER

EDCS Classification Code: 570

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

EDCS Group Labels: HYDROLOGY

Reference Type: IR

Reference: [FACC, Annex A: BH000]

Supplemental References: none


EDCS Classification Label: INLAND_WATER_BOTTOM

EDCS Classification Symbolic Constant: ECC_INLAND_WATER_BOTTOM

EDCS Classification Code: 571

Definition:
A bathymetric <REGION> underlying an <INLAND_WATER_SURFACE>; an inland water bottom.

EDCS Group Labels: WATERBODY_FLOOR

Reference Type: n/a

Reference: none

Supplemental References: none


EDCS Classification Label: INLAND_WATER_ELEVATION

EDCS Classification Symbolic Constant: ECC_INLAND_WATER_ELEVATION

EDCS Classification Code: 572

Definition:
A <LOCATION> associated with an <INLAND_WATER_SURFACE> with an <<ELEVATION>>.

EDCS Group Labels: LOCATION, SURVEY

Reference Type: IR

Reference: [FACC, Annex A: CA035]

Supplemental References: none


EDCS Classification Label: INLAND_WATER_SURFACE

EDCS Classification Symbolic Constant: ECC_INLAND_WATER_SURFACE

EDCS Classification Code: 573

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

EDCS Group Labels: HYDROLOGY

Reference Type: n/a

Reference: none

Supplemental References: none


EDCS Classification Label: INLET

EDCS Classification Symbolic Constant: ECC_INLET

EDCS Classification Code: 574

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

EDCS Group Labels: HYDROLOGY

Reference Type: IR

Reference: [SP35, "inlet"]

Supplemental References: none


EDCS Classification Label: INS_ALIGNMENT_PAD

EDCS Classification Symbolic Constant: ECC_INS_ALIGNMENT_PAD

EDCS Classification Code: 575

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, LOCATION, TRNSP

Reference Type: PR

Reference: [FACC, Annex A: GB170]

Supplemental References: none


EDCS Classification Label: INSECT

EDCS Classification Symbolic Constant: ECC_INSECT

EDCS Classification Code: 576

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

EDCS Group Labels: ANIMAL, LIVING_ORGANISM

Reference Type: n/a

Reference: none

Supplemental References: none


EDCS Classification Label: INSTITUTIONAL_FACILITY

EDCS Classification Symbolic Constant: ECC_INSTITUTIONAL_FACILITY

EDCS Classification Code: 577

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

EDCS Group Labels: INFRASTRUCTURE

Reference Type: n/a

Reference: none

Supplemental References: none


EDCS Classification Label: INTEREST_SITE

EDCS Classification Symbolic Constant: ECC_INTEREST_SITE

EDCS Classification Code: 578

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

EDCS Group Labels: USAGE_REGION

Reference Type: PR

Reference: [FACC, Annex A: AL201]

Supplemental References: none


EDCS Classification Label: INTERIOR_WALL

EDCS Classification Symbolic Constant: ECC_INTERIOR_WALL

EDCS Classification Code: 579

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

EDCS Group Labels: BUILDING_COMPONENT

Reference Type: n/a

Reference: none

Supplemental References: none


EDCS Classification Label: INTERIOR_WALL_OPENING

EDCS Classification Symbolic Constant: ECC_INTERIOR_WALL_OPENING

EDCS Classification Code: 580

Definition:
An opening (for example: an uncovered <APERTURE> in an <INTERIOR_WALL> and/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: n/a

Reference: none

Supplemental References: none


EDCS Classification Label: INTERNATIONAL_DATE_LINE

EDCS Classification Symbolic Constant: ECC_INTERNATIONAL_DATE_LINE

EDCS Classification Code: 581

Definition:
A <LINE> designated as the place on the <EARTH> where each calendar day begins; the International Date Line. This <LINE> generally coincides with the 180th meridian but is modified to avoid <LAND>.

EDCS Group Labels: DEMARCATION, TIME

Reference Type: PR

Reference: [FACC, Annex A: FA110]

Supplemental References: none


EDCS Classification Label: INTERPLANETARY_MAGNETIC_FIELD

EDCS Classification Symbolic Constant: ECC_INTERPLANETARY_MAGNETIC_FIELD

EDCS Classification Code: 582

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

EDCS Group Labels: EM_PHENOMENON, SPACE

Reference Type: IR

Reference: [TASC]

Supplemental References: none


EDCS Classification Label: INUNDATED_LAND

EDCS Classification Symbolic Constant: ECC_INUNDATED_LAND

EDCS Classification Code: 583

Definition:
<LAND> subject to controlled inundation (for example: flooded by the regulation of the level of a <RESERVOIR>) 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]

Supplemental References: none


EDCS Classification Label: INVERTEBRATE

EDCS Classification Symbolic Constant: ECC_INVERTEBRATE

EDCS Classification Code: 584

Definition:
An <ANIMAL> without a backbone or spinal column that does not belong to the subphylum Vertebrata; an invertebrate [SOED, "invertebrate"].

EDCS Group Labels: ANIMAL, LIVING_ORGANISM

Reference Type: n/a

Reference: none

Supplemental References: none


EDCS Classification Label: IONOSPHERE

EDCS Classification Symbolic Constant: ECC_IONOSPHERE

EDCS Classification Code: 585

Definition:
The <ATMOSPHERE_REGION> of the <EARTH> characterized by ions and free electrons existing in sufficient quantities to reflect electromagnetic waves and located roughly between the <<ALTITUDE_MSL>>s of 70 to 500 kilometres; the ionosphere.

EDCS Group Labels: ATMOSPHERE, EM_PHENOMENON

Reference Type: PR

Reference: [WMO182, "ionosphere"]

Supplemental References: none


EDCS Classification Label: IONOSPHERE_ELECTRON_DENSITY_PROPERTY_SET

EDCS Classification Symbolic Constant: ECC_IONOSPHERE_ELECTRON_DENSITY_PROPERTY_SET

EDCS Classification Code: 586

Definition:
A <PROPERTY_SET> describing the electron-density related characteristics of an <IONOSPHERE>.

EDCS Group Labels: ATMOSPHERE, EM_PHENOMENON, PROPERTY_SET

Reference Type: n/a

Reference: none

Supplemental References: none


EDCS Classification Label: IONOSPHERE_SCINTILLATION_PROPERTY_SET

EDCS Classification Symbolic Constant: ECC_IONOSPHERE_SCINTILLATION_PROPERTY_SET

EDCS Classification Code: 587

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

EDCS Group Labels: ATMOSPHERE, EM_PHENOMENON, PROPERTY_SET

Reference Type: n/a

Reference: none

Supplemental References: none


EDCS Classification Label: IONOSPHERIC_D_REGION

EDCS Classification Symbolic Constant: ECC_IONOSPHERIC_D_REGION

EDCS Classification Code: 588

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]

Supplemental References: none


EDCS Classification Label: IONOSPHERIC_E_REGION

EDCS Classification Symbolic Constant: ECC_IONOSPHERIC_E_REGION

EDCS Classification Code: 589

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]

Supplemental References: none


EDCS Classification Label: IONOSPHERIC_F1_REGION

EDCS Classification Symbolic Constant: ECC_IONOSPHERIC_F1_REGION

EDCS Classification Code: 590

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]

Supplemental References: none


EDCS Classification Label: IONOSPHERIC_F2_REGION

EDCS Classification Symbolic Constant: ECC_IONOSPHERIC_F2_REGION

EDCS Classification Code: 591

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]

Supplemental References: none


EDCS Classification Label: IRRIGATION_DITCH

EDCS Classification Symbolic Constant: ECC_IRRIGATION_DITCH

EDCS Classification Code: 592

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

EDCS Group Labels: AGRICULTURE, PHYSIOGRAPHY

Reference Type: PR

Reference: [FACC, Annex A: BH030]

Supplemental References: none


EDCS Classification Label: ISLAND

EDCS Classification Symbolic Constant: ECC_ISLAND

EDCS Classification Code: 593

Definition:
A <TRACT> smaller (usually much smaller) than a continent and surrounded by a <WATERBODY>; an island.

EDCS Group Labels: PHYSIOGRAPHY

Reference Type: PR

Reference: [FACC, Annex A: BA030]

Supplemental References: none


EDCS Classification Label: ISOGONIC_LINE

EDCS Classification Symbolic Constant: ECC_ISOGONIC_LINE

EDCS Classification Code: 594

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

EDCS Group Labels: EM_PHENOMENON, LOCATION

Reference Type: PR

Reference: [FACC, Annex A: ZC050]

Supplemental References: none


EDCS Classification Label: ISOPLETH

EDCS Classification Symbolic Constant: ECC_ISOPLETH

EDCS Classification Code: 595

Definition:
A <LINE> defined by <LOCATION>s for which some chosen quantity has the same value; an isopleth [SOED, "isopleth", 1].

EDCS Group Labels: LOCATION

Reference Type: n/a

Reference: none

Supplemental References: none


EDCS Classification Label: ISTHMUS

EDCS Classification Symbolic Constant: ECC_ISTHMUS

EDCS Classification Code: 596

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

EDCS Group Labels: PHYSIOGRAPHY

Reference Type: IR

Reference: [SP35, "isthmus"]

Supplemental References: none


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