Table 6.8 — EAs whose label begins with D

Label Concept definition Attribute value type EQ label Code
DAILY_TIDE_INDEX The sequential number of the peak <TIDE> for a day; the daily tide index. The value starts at 1 for the first peak <TIDE> for a day and increases. INTEGER   283
DAM_FACE_TYPE The type of face of a <DAM>. ENUMERATION   284
DAMAGE_WEIGHT The amount of ordinance in equivalent <<MASS>> of TNT required to cause distinguishable damage to a <STRUCTURE>; the damage weight. REAL MASS 285
DATA_COLLECTION_CRITERIA Criteria describing the collection of data. ENUMERATION   286
DATE_FORMAT The format of a date. ENUMERATION   287
DATE_TIME_FORMAT The format of a date and time of the day. ENUMERATION   288
DATE_TIME_GROUP The date and time, formatted as specified by <<DATE_TIME_FORMAT>>; a date time group. CONSTRAINED_STRING   289
DAY_WITHIN_YEAR The ordinal index of a day within the year, starting with 1 on the 1st of January. COUNT   290
DEEP_SOUND_CHANNEL_AXIS_DEPTH The <<DEPTH>> at which the <<SPEED>> of propagation of a compressional wave achieves its minimum value in a <DEEP_SOUND_CHANNEL>; the deep sound channel axis depth. REAL LENGTH 291
DEEP_SOUND_CHANNEL_TOP_DEPTH The topmost of the two <<DEPTH>>s of equal maximum <<SPEED>> of propagation of compressional waves in a <DEEP_SOUND_CHANNEL>. REAL LENGTH 292
DEFENSIVE_POSITION_COUNT The number of <DEFENSIVE_POSITION>s within a delineated <REGION>; the defensive position count. COUNT   293
DEFENSIVE_POSITION_TYPE The type of a <DEFENSIVE_POSITION>. ENUMERATION   294
DELINEATION_CERTAIN An indication that knowledge of the delineation of an <OBJECT> is certain. BOOLEAN   295
DENSITY_ALTITUDE The <<PRESSURE_ALTITUDE>> corrected for deviations from the standard <ATMOSPHERE>; the density altitude. REAL LENGTH 296
DEPTH The distance from a <SURFACE> down to a <LOCATION> or <SURFACE>; depth. The value is expressed as a positive number. REAL LENGTH 297
DEPTH_BELOW_SURFACE_LEVEL The <<DEPTH>> measured from the highest point of an <OBJECT> at the level of the surrounding <SURFACE> to the lowest point of that <OBJECT> below the <SURFACE>. REAL LENGTH 298
DEPTH_BELOW_WATERBODY_FLOOR The <<DEPTH>> from a <WATERBODY_FLOOR> down to a <LOCATION>. REAL LENGTH 299
DEPTH_BELOW_WATERBODY_SURFACE The <<DEPTH>> of an <OBJECT> below a <WATERBODY_SURFACE>. REAL LENGTH 300
DEPTH_OF_WATERBODY_FLOOR The <<DEPTH>> from a <WATERBODY_SURFACE> to a <WATERBODY_FLOOR>. REAL LENGTH 301
DEW_POINT_DEPRESSION The difference between an <<AIR_TEMPERATURE>> at a <LOCATION> and the <<DEW_POINT_TEMPERATURE>> at that <LOCATION>; the dew point depression. REAL THERMO_TEMPERATURE 302
DEW_POINT_ERROR The error in a measurement of a <<DEW_POINT_TEMPERATURE>> that is introduced by uncertainties. REAL THERMO_TEMPERATURE 303
DEW_POINT_MAXIMUM_DIFFERENCE-
_CLIMATOLOGY 		The historical (climatology) maximum difference between the <<DEW_POINT_TEMPERATURE>> at an initial time and the <<DEW_POINT_TEMPERATURE>> at an offset from that time. REAL THERMO_TEMPERATURE 304
DEW_POINT_MINIMUM_DIFFERENCE-
_CLIMATOLOGY 		The historical (climatology) minimum difference between the <<DEW_POINT_TEMPERATURE>> at an initial time and the <<DEW_POINT_TEMPERATURE>> at an offset from that time. REAL THERMO_TEMPERATURE 305
DEW_POINT_QUALITY The quality of a <<DEW_POINT_TEMPERATURE>> measurement. ENUMERATION   306
DEW_POINT_TEMPERATURE The <<TEMPERATURE>> to which a given parcel of <AIR> must be cooled at constant <<ATM_PRESSURE>> and water vapour content in order for saturation to occur; the dew point temperature. REAL THERMO_TEMPERATURE 307
DIR_SHIPPING_NOISE_CORRECTION The correction to the <<DIR_SHIPPING_NOISE_SPECTRAL_POWER_LEVEL>>, typically taken at 50 hertz. REAL FIELD_OR_POWER_LEVEL_DIFF 308
DIR_SHIPPING_NOISE_SPECTRAL-
_POWER_LEVEL 		In a volume of a <WATERBODY>, the directional shipping noise spectral power level, typically taken at 50 hertz. REAL PRESSURE_POWER_LEVEL 309
DIRECTIONAL_HEMISPHERICAL-
_REFLECTIVITY 		The ratio, for a particular material <SURFACE> and unit solid angle about a particular incident <DIRECTION>, of the reflected <<RADIANCE>> into the hemisphere above that <SURFACE> to the incident <<RADIANCE>>. This quantity is also defined as the integral over the reflected hemisphere of the BRDF times the cosine of the angle between the surface normal and the reflection <DIRECTION> times the differential reflection solid angle. It is a function of the <<INCIDENCE_ZENITH_ANGLE_LOCAL>> and <<INCIDENCE_AZIMUTH_LOCAL>> of the incident <<RADIANCE>> and is spectral (a distribution function in <<WAVELENGTH>>); therefore the quantity is measured in terms of inverse <<WAVELENGTH>> bin size. REAL INV_LENGTH 310
DISPLAY_SIGN_TYPE The type of a <DISPLAY_SIGN>. ENUMERATION   311
DISSECTED_TERRAIN An indication that a <TERRAIN_SURFACE_REGION> is dominated by culturally or naturally dissected <TERRAIN>. BOOLEAN   312
DOMINANT_BREAKER_TYPE The type of the dominant breaking <WATER_WAVE>s tripped by shoaling <WATER>; dependent on the nature of the <WATERBODY_FLOOR> and <BEACH> slope. ENUMERATION   313
DOOR_CONSTRUCTION_TYPE The type of <MATERIAL> and/or techniques used to construct a <DOOR>. ENUMERATION   314
DOOR_OPENING_METHOD The method in which a <DOOR> opens. ENUMERATION   315
DOOR_TYPE The type of a <DOOR>. ENUMERATION   316
DRAGON_TEETH_TYPE The type of a <DRAGON_TEETH>. ENUMERATION   317
DROP_GATE_METHOD The method by which a <DROP_GATE> is closed. ENUMERATION   318
DUST_PRODUCTION_RATE A number between 0 and 1 inclusive representing the linearly-scaled fraction of the production rate of <DUST> at an <OBJECT> that has been induced by ground movement or surface <WIND>s. Zero means no production at all and one means maximum production. REAL PURE_NUMBER 319
DWELLING_TYPE The type of a <DWELLING>. ENUMERATION   320

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