Table 6.6 — EAs whose label begins with B
| Label | Concept definition | Attribute value type | EQ label | Code |
| BALCONY_TYPE | The type, <LOCATION>, or purpose of a <BALCONY>. | ENUMERATION | 145 | |
| BALEEN_WHALE_CATCH_PER_YEAR | The number of baleen <WHALE>s caught within a one-year <<TIME_QUANTITY>>. | COUNT | 146 | |
| BARGE_LOAD_RESTRICTIONS | The description of any load restrictions that apply to barges using a <MARINE_ROUTE> or marine <FACILITY>. | STRING | 147 | |
| BASEMENT_CONSTRUCTION_MATERIAL | The <MATERIAL> used to construct a <BASEMENT>. | ENUMERATION | 148 | |
| BEACH_PORTION | The relative portion of a <BEACH>. | ENUMERATION | 149 | |
| BEACON_PRESENT | An indication that an <OBJECT> has an associated <BEACON>. | BOOLEAN | 150 | |
| BEACON_SECTOR_FIRST_LIMIT | The <<GEODETIC_AZIMUTH>> of the first limit of a sector of a <BEACON> or radio transponder <BEACON>. | REAL | PLANE_ANGLE | 151 |
| BEACON_SECTOR_SECOND_LIMIT | The <<GEODETIC_AZIMUTH>> of the second limit of a sector of a <LIGHT> or radio transponder <BEACON>. | REAL | PLANE_ANGLE | 152 |
| BEARING_AND_RECIPROCAL |
The horizontal <DIRECTION> (for example: along a track and/or along a <ROUTE>) of one terrestrial <LOCATION> from another. Formatted in a Basic Latin string as the angular distance in arc degrees from a reference <DIRECTION> in 0,1 arc degree increments, followed by a hyphen, and the followed by the reciprocal bearing. EXAMPLE "053,1-233,1". |
CONSTRAINED_STRING | 153 | |
| BEARING_FROM_SEAWARD | The <<GEODETIC_AZIMUTH>> of the true course of a <VESSEL> when proceeding from seaward. | REAL | PLANE_ANGLE | 154 |
| BEAUFORT_WIND_SCALE | The force of a <WIND> on the Beaufort scale (originally based on the associated state of a <WATERBODY_SURFACE>). | ENUMERATION | 155 | |
|
BEDROCK_SURFACE- _COMPRESSIONAL_VELOCITY |
The <<VELOCITY>> of displacement of <BEDROCK> in the same <DIRECTION> as a compressional (density) wave in the top ten metres of that <BEDROCK>; the bedrock surface compressional velocity. | REAL | SPEED | 156 |
| BEDROCK_SURFACE_DENSITY | The mean density of the top ten metres of <BEDROCK>; the bedrock surface density. | REAL | VOLUMIC_MASS | 157 |
| BEDROCK_SURFACE_SHEAR_VELOCITY | The <<VELOCITY>> of displacement of <BEDROCK> in a <DIRECTION> that is perpendicular to a compressional (density) wave in the top ten metres of that <BEDROCK>; the bedrock surface shear velocity. | REAL | SPEED | 158 |
| BELOW_STATION_CLOUD_COVERAGE | Cloud coverage of the sky below an <OBSERVATION_STATION> located in the <MOUNTAIN>s on <EARTH>. | ENUMERATION | 159 | |
|
BELOW_STATION_CLOUD_TOP- _ALTITUDE |
The highest <SURFACE> of a <CLOUD_TOP> or a <CLOUD_LAYER> relative to an <<ATM_VERTICAL_REFERENCE>> below an <OBSERVATION_STATION> located in the <MOUNTAIN>s on <EARTH>; the below station cloud top altitude. | REAL | LENGTH | 160 |
|
BELOW_STATION_CLOUD_TOP- _CHARACTERISTICS |
The characteristics of the <CLOUD_TOP> or a <CLOUD_LAYER> below an <OBSERVATION_STATION> located in the <MOUNTAIN>s on <EARTH>. | ENUMERATION | 161 | |
| BELOW_STATION_CLOUD_TYPE | The type of <CLOUD>s that comprise a <CLOUD_LAYER> below an <OBSERVATION_STATION> located in the <MOUNTAIN>s on <EARTH>. | ENUMERATION | 162 | |
| BENCHMARK_TYPE | The type of a <BENCHMARK>. | ENUMERATION | 163 | |
| BERTH_IDENTIFIER | The textual identifier of a <VESSEL_BERTH>. | STRING | 164 | |
| BERTH_TYPE | The type of decked marine <STRUCTURE> at a <VESSEL_BERTH>. The type is based on configuration and structure. | ENUMERATION | 165 | |
| BIDIRECTIONAL | An indication that an <OBJECT> supports bidirectional flow. | BOOLEAN | 166 | |
|
BIDIRECTIONAL_REFLECTANCE- _DISTRIBUTION_FUNCTION |
The ratio, for a particular material <SURFACE>, of the differential reflected <<RADIANCE>> into a unit solid angle about a particular (reflected) <DIRECTION> to the differential incident flux per unit surface <<AREA>> (irradiance) from a particular (incident) <DIRECTION>; bi-directional reflectance distribution function or directional-directional reflectance. This quantity is a function of the <<INCIDENCE_ZENITH_ANGLE_LOCAL>>, <<INCIDENCE_AZIMUTH_LOCAL>>, <<REFLECTANCE_ZENITH_ANGLE_LOCAL>>, and <<REFLECTANCE_AZIMUTH_LOCAL>>. This quantity is spectral (a distribution function in <<WAVELENGTH>>) and is measured in terms of inverse solid angle and inverse <<WAVELENGTH>> bin size. | REAL | SPECTRAL_RECIPROCAL_SOLID_ANGLE | 167 |
|
BIOLOGIC_AGENT_ATM- _CONCENTRATION |
The concentration of a biologic agent suspended in an <ATMOSPHERE>. | REAL | VOLUMIC_MASS | 168 |
|
BIOLOGIC_AGENT_SURFACE- _CONCENTRATION |
The concentration of a biologic agent contained in a layer on the <SURFACE> of an <OBJECT>. | REAL | SURFACE_DENSITY | 169 |
| BIOLOGIC_AGENT_TYPE | The type of a biologic agent that can kill, seriously injure, or incapacitate <HUMAN>s or <NON_HUMAN_ANIMAL>s through its physiological properties. | ENUMERATION | 170 | |
| BLACKOUT_BRAKE_LIGHT_INTENSITY | A number between 0 and 1 inclusive representing the linearly-scaled fractional intensity of external <LIGHTING> that is designed for use under military blackout conditions to prevent collision with/between <VEHICLE>s; the blackout brake light intensity. Zero means unlit and one means maximum intensity. | REAL | PURE_NUMBER | 171 |
| BLACKOUT_LIGHT_INTENSITY | A number between 0 and 1 inclusive representing the linearly-scaled fractional intensity of internal <LIGHTING> that is designed for use under military blackout conditions. Zero means unlit and one means maximum intensity. | REAL | PURE_NUMBER | 172 |
| BLOWING_SAND | An indication that blowing <SAND> is present. | BOOLEAN | 173 | |
| BLOWING_SNOW | An indication that blowing <SNOW_PRECIPITATION> is present. | BOOLEAN | 174 | |
| BOMBER_WINGED_AIRCRAFT_TYPE | The type of a <BOMBER_WINGED_AIRCRAFT>. | ENUMERATION | 175 | |
| BOTTOM_RETURN_ALLEGIANCE | The military allegiance of an <OBJECT> identified by a <WATERBODY_FLOOR_SONAR_RETURN>. | ENUMERATION | 176 | |
| BOTTOM_RETURN_OBSTACLE_STATUS | The status of a <WATERBODY_FLOOR_SONAR_RETURN> indicating the presence of obstacles. | ENUMERATION | 177 | |
| BOTTOM_RETURN_ROCK_STATUS | The status of a <WATERBODY_FLOOR_SONAR_RETURN> indicating the presence of a <ROCK>. | ENUMERATION | 178 | |
| BOTTOM_RETURN_SEABED_STATUS | The status of a <WATERBODY_FLOOR_SONAR_RETURN> indicating the presence of installations on the <OCEAN_FLOOR>. | ENUMERATION | 179 | |
| BOTTOM_RETURN_STATUS | The status of a <WATERBODY_FLOOR_SONAR_RETURN>. | ENUMERATION | 180 | |
| BOTTOM_RETURN_TRACK_IDENTIFIER | The numeric identifier of a <WATERBODY_FLOOR_SONAR_RETURN>; the bottom return track identifier. | INDEX | 181 | |
| BOTTOM_RETURN_TYPE | The type of a <WATERBODY_FLOOR_SONAR_RETURN>. | ENUMERATION | 182 | |
| BOTTOM_RETURN_WRECK_STATUS | The status of a <WATERBODY_FLOOR_SONAR_RETURN> indicating a <MARINE_WRECK>. | ENUMERATION | 183 | |
| BOTTOM_WIDTH | The <<WIDTH>> of an <OBJECT> at its bottom. | REAL | LENGTH | 184 |
| BOUNDARY_FIRST_SIDE_NAME | The name of the political entity on the first side of a <BOUNDARY>. | STRING | 185 | |
| BOUNDARY_SECOND_SIDE_NAME | The name of the political entity on the second side of a <BOUNDARY>. | STRING | 186 | |
| BOUNDARY_STATUS | The status of a <BOUNDARY>. | ENUMERATION | 187 | |
| BOUNDARY_TYPE | The type of a <BOUNDARY>. | ENUMERATION | 188 | |
| BRANCH_RAILWAY_TYPE | The function or configuration of a branch <RAILWAY>; the branch railway type. | ENUMERATION | 189 | |
| BREAKER_FLANK | The flank towards which the breaking <WATER_WAVE>s are moving in a <SURF_ZONE> as seen from <VESSEL>s approaching the <BEACH>. | ENUMERATION | 190 | |
| BRIDGE_AND_SPAN_IDENTIFIER | The textual identifier (often termed the "number") of a <BRIDGE> and its <BRIDGE_SPAN>s. | STRING | 191 | |
| BRIDGE_COMPONENT_TYPE | The type of structural <COMPONENT> of a <BRIDGE>. | ENUMERATION | 192 | |
| BRIDGE_DESIGN | The structural design characteristics of a <BRIDGE> or <BRIDGE_SPAN>. | ENUMERATION | 193 | |
| BRIDGE_FUNCTION | The type of <TERRAIN_OBSTACLE> that is spanned by a <BRIDGE>; the bridge function. | ENUMERATION | 194 | |
| BRIDGE_IDENTIFIER | The textual identifier (often termed the "number") of a <BRIDGE>. | STRING | 195 | |
| BRIDGE_INFORMATION_RELIABILITY | The reliability of characteristic and load classification information for a <BRIDGE> based upon the data source. | ENUMERATION | 196 | |
| BRIDGE_LEVEL_COUNT | The number of levels of a <BRIDGE> that carries <GROUND_VEHICLE>s and/or <HUMAN>s; the bridge level count. | COUNT | 197 | |
| BRIDGE_OPENING_TYPE | The type of movement by which a <BRIDGE_SPAN> allows passage of a <VESSEL>; the bridge opening type. | ENUMERATION | 198 | |
| BRIDGE_SPAN_COUNT | The number of spans in a <BRIDGE> or <AQUEDUCT>; the bridge span count. | COUNT | 199 | |
| BRIDGE_SPAN_MOBILE | An indication that a <BRIDGE_SPAN> moves in some manner to allow passage underneath. | BOOLEAN | 200 | |
| BRIDGE_SPAN_TYPE | The type of a moveable <BRIDGE_SPAN>. | ENUMERATION | 201 | |
| BRIDGE_STRUCTURE_TYPE | The type of structural design of a <BRIDGE> or <BRIDGE_SPAN>. | ENUMERATION | 202 | |
| BRUSH_DENSITY | A number between 0 and 1 inclusive representing the linearly-scaled fraction of <LAND> covered by undergrowth (for example: scrub, brush, and/or bush); the brush density. Zero means no undergrowth and one means completely covered. | REAL | PURE_NUMBER | 203 |
| BUDDHISM_DENOMINATIONAL_FAMILY | The designation of a <NON_EMPTY_SET> of closely related Buddhist religious denominations, often ones which were at one time part of a single movement but are now separate religious denominations; the Buddhist denominational family. | ENUMERATION | 204 | |
| BUILDING_COMPONENT_TYPE | The type of a <BUILDING_COMPONENT>. | ENUMERATION | 205 | |
| BUILDING_CONSTRUCTION_TYPE | The type of technique used to construct a <BUILDING>. The basic techniques are mass (where the walls carry the load) and framed (where an internal frame carries the load and walls simply protect the interior from the elements). | ENUMERATION | 206 | |
| BUILDING_FOUNDATION_TYPE | The type of <MATERIAL> and/or techniques used to construct the foundation of a <BUILDING>. | ENUMERATION | 207 | |
| BUILDING_FUNCTION | The function of a <BUILDING>. | ENUMERATION | 208 | |
| BUILT_UP_REGION_DENSITY | The relative density of a <BUILT_UP_REGION>. | ENUMERATION | 209 | |
| BUOY_SHAPE | The shape of a <BUOY>. | ENUMERATION | 210 | |
| BUOY_TYPE | The type of a <BUOY>. | ENUMERATION | 211 | |
| BYPASS_CONDITION | The degree of ease or ability to circumvent a destroyed section of <BRIDGE>, <TUNNEL>, or <MOUNTAIN_PASS> within a 2 kilometre distance on each side of the <OBJECT> (ignoring the presence of other similar <OBJECT>s); the bypass condition. | ENUMERATION | 212 |
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