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EG:  AIRBORNE_PARTICLE

Status: STD 2005/06/07
Code: 6
Concept definition: ECs that are or are related to airborne particles; EAs that specify the state of such concepts. For the purposes of this concept definition, airborne particles are unconsolidated fine <PARTICLE>s of solid and/or liquid <MATERIAL> that are suspended in <AIR>.
 
Reference type:  
Reference:  
Supplemental references:  
Classification group membership:
28 entries:
AEROSOL AIRBURST_SMOKE CLOUD CLOUD_BASE
CLOUD_LAYER CLOUD_TOP DUST DUST_DEVIL
DUST_STORM DUST_SUSPENSION FOG FOG_REGION
FOG_SIGNAL_DEVICE FUNNEL_CLOUD HAIL HAZE
HIGH_CLOUD LOCALIZED_ATM_SUSPENSION LOW_CLOUD LOW_CLOUD_CEILING_REGION
MIDDLE_CLOUD MIST NON_AQUEOUS_CLOUD PLUME
PUFF SANDSTORM SMOKE VOLCANIC_ASH
Attribute group membership:
78 entries:
AEROSOL_CONCENTRATION-
_DENSITY		 AEROSOL_EXTINCTION_FRACTION AEROSOL_LAYER_BASE_LEVEL AEROSOL_LAYER_TOP_LEVEL
AEROSOL_PARTICLE_CONCENTRATION AEROSOL_PARTICLE_TYPE AEROSOL_VISUAL_RANGE AEROSOL_VOLUME_SCATTERING-
_COEFFICIENT
ATM_CEILING ATM_CEILING_METHOD BELOW_STATION_CLOUD-
_COVERAGE		 BELOW_STATION_CLOUD-
_TOP_CHARACTERISTICS
BELOW_STATION_CLOUD-
_TOP_LEVEL		 BELOW_STATION_CLOUD-
_TYPE		 BLOWING_DUST_TIME_PERIOD-
_FRACTION		 BLOWING_SAND
BLOWING_SNOW BLOWING_SNOW_TIME_PERIOD-
_FRACTION		 CLOUD_BASE_LEVEL CLOUD_FREE_LINE_OF_SIGHT
CLOUD_LIQUID_WATER_CONTENT CLOUD_PHASE CLOUD_SKY_COVER_LAYER-
_TYPE		 CLOUD_THICKNESS
CLOUD_TOP_LEVEL CLOUD_TOP_TEMPERATURE CONTRAIL_LAYER_BASE-
_ALTITUDE		 CONTRAIL_LAYER_TOP_ALTITUDE
CONTRAIL_PERSISTENCE CONVECTIVE_CLOUD_COVERAGE DUST_FLUX DUST_OPTICAL_DEPTH
DUST_PRODUCTION_RATE ENGINE_SMOKE_RATE FOG_COVERAGE_FRACTION FOG_DETECTOR_LIGHT_PRESENT
FOG_EXTINCTION_COEFFICIENT FOG_PRESENT FOG_PROBABILITY FOG_SIGNAL_GENERATION-
_TYPE
FOG_THICKNESS FREEZING_RAIN_PRESENT HIGH_CLOUD_BASE_LEVEL HIGH_CLOUD_COVERAGE
HIGH_CLOUD_GENUS HIGH_CLOUD_TOP_LEVEL HIGH_CLOUD_TYPE_OBSERVED HISTORICAL_CLOUD_FREE-
_LINE_OF_SIGHT_CLIMATOLOGY
LOWEST_CLOUD_BASE_LEVEL LOWEST_CLOUD_COVER_CATEGORY LOW_CLOUD_BASE_LEVEL LOW_CLOUD_COVERAGE
LOW_CLOUD_GENUS LOW_CLOUD_TOP_LEVEL LOW_CLOUD_TYPE_OBSERVED MEAN_CLOUD_DROP_DIAMETER
MIDDLE_CLOUD_BASE_LEVEL MIDDLE_CLOUD_COVERAGE MIDDLE_CLOUD_GENUS MIDDLE_CLOUD_TOP_LEVEL
MIDDLE_CLOUD_TYPE_OBSERVED MIXING_RATIO_CLOUD_WATER MOVEMENT_INDUCED_CONTRAIL-
_PRODUCTION_RATE		 OBSCURANT_TYPE
SIGMA_CROSSWIND_SPREADING-
_RATE		 SIGMA_DOWNWIND_SPREADING-
_RATE		 SIGMA_VERTICAL_SPREADING-
_RATE		 SIGMA_WIDTH_CROSSWIND
SIGMA_WIDTH_DOWNWIND SIGMA_WIDTH_VERTICAL SKY_OBSCURATION_FRACTION SMOKESTACK_COUNT
SMOKE_RATE_FRACTION VEHICLE_SMOKE_TYPE VENTILATION_FILTER_EFFICIENCY VISIBILITY_OBSTRUCTION-
_PRESENT
VISIBILITY_OBSTRUCTION-
_TIME_PERIOD_FRACTION		 VOLCANIC_ASH_PRESENT

In addition to the status and date information for each entry, a colour coding scheme highlights the database holding to which an entry belongs. The following highlight colours are used:

  • white - the entry is in the standard
  • yellow - the entry has been added to the register
  • pink - the entry has been submitted for inclusion in the register, but it is not approved
  • cyan - a deprecated entry that was originally either in the standard or was added to the register, but has since been deprecated

The following icons are used to identify items that have figures, modifications and/or clarification notes:

  • F n - has Figures and, if more than one figure, n figures
  • M - has Modifications
  • C - has Clarifications

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