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EG:  HYDROLOGY

Status: STD 2005/06/07
Code: 23
Concept definition: ECs that relate to hydrology; EAs that specify the state of such concepts. For the purposes of this concept definition, hydrology is the branch of science that deals with <WATERBODY>s found on and/or below a <PLANETARY_SURFACE> and in inland <REGION>s.
 
Reference type:  
Reference:  
Supplemental references:  
Classification group membership:
75 entries:
BOMBORA_REGION BREAKER_REGION CANAL CANAL_NEXUS
CANAL_ROUTE COVERED_WATERCOURSE DEPTH_REGION DISCOLOURED_WATER
DRY_LAKE ESTUARY FIORD FLOOD_BASIN
FLUME FORD HARBOUR HARBOUR_COMPLEX
HYDROGRAPHY HYDROLOGIC_OBJECT INLAND_WATER INLAND_WATER_SURFACE
INLET LAGOON LAKE LAKE_NEXUS
LAND_FLOODING_PERIODICALLY MARINE_BAY MARINE_CHANNEL MARINE_FOUL_GROUND
MARINE_GULF MARINE_PETROLEUM_FIELD MARINE_REGION MARINE_SOUND
MARINE_STRAIT NAVIGABLE_WATERWAY OCEAN OPEN_WATER
OVERFALL_REGION POLYNYA PREVAILING_CURRENT RAPID
RESERVOIR_NEXUS RIP_CURRENT RIVER RIVER_NEXUS
RIVER_VANISHING_POINT RUN_OFF SEA SECCHI_DISK
SPILLWAY SPRING SWAMP SWEPT_REGION
TIDAL_BASIN TIDAL_WATER TIDEWAY TIDE_RIP_REGION
UNDERGROUND_WATER UNDERWATER_REGION VEGETATED_SATURATED-
_LAND		 VESSEL_STORAGE_ANCHORAGE
WADI WADI_NEXUS WATERBODY WATERBODY_BASIN
WATERBODY_CURRENT WATERBODY_EDDY WATERBODY_REGION WATERBODY_SHELTER_BASIN
WATERCOURSE WATERFALL WATERING_HOLE WATER_CHANNEL
WATER_CHANNEL_EDGE WATER_CURRENT WATER_GATHERING_REGION
Attribute group membership:
34 entries:
CALM_SEA_STATE_FRACTION DEEP_SOUND_CHANNEL_AXIS-
_DEPTH		 DEEP_SOUND_CHANNEL_TOP-
_DEPTH		 GROUND_WETNESS_FRACTION
HARBOUR_IDENTIFIER HIGHEST_ANNUAL_GROUND-
_WATER_LEVEL		 HYDROGRAPHIC_BARRIER-
_TYPE		 HYDROGRAPHIC_OBJECT-
_ORIGIN
HYDROLOGIC_PERSISTENCE INLAND_HYDROLOGIC_PERSISTENCE INLAND_WATER_OBSTRUCTION LOWEST_ANNUAL_GROUND-
_WATER_LEVEL
MEAN_SSNL_HIGH_WATER-
_DEPTH		 MEAN_SSNL_HIGH_WATER-
_SPEED		 MEAN_SSNL_LOW_WATER-
_DEPTH		 MEAN_SSNL_LOW_WATER-
_SPEED
OCEAN_NAME PARTITIONED_WATERBODY RAPID_CLASS SEA_NAME
SECCHI_DEPTH SHORELINE_DELINEATED SOIL_MOISTURE_MASS_LOWER-
_LAYER		 SOIL_MOISTURE_MASS_TOP-
_LAYER
SOIL_MOISTURE_SATURATION SOIL_MOISTURE_VOLUME-
_LIQUID		 SOIL_WATER_MASS SOIL_WATER_VOLUME
SOIL_WETNESS_CATEGORY SPRING_TYPE WATERCOURSE_CHANNEL-
_TYPE		 WATERCOURSE_GAP_WIDTH
WATERCOURSE_SINK_TYPE WATER_TABLE_DEPTH

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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