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Sigma KEE - SeaLevel

SeaLevel(sea level)

appearance as argument number 1

(documentation SeaLevel EnglishLanguage "SeaLevel designates the global Mean Sea Surface (MSS). Note that SeaLevel represents a GeographicArea that comprises all the local Mean Sea Level (MSL) areas used as references for measuring altitude. In fact, there are local variations in MSL, due to tides and long- and short- term weather conditions.")	Geography.kif 5036-5040
(elevation SeaLevel (MeasureFn 0.0 Meter))	Geography.kif 5048-5049	0.0 Meter(s) is an elevation of sea level
(externalImage SeaLevel "http://upload.wikimedia.org/wikipedia/commons/6/ 68/ Geosat_Sea_Level_Deviation_Winter_1987-88.gif")	pictureList.kif 3190-3190	0.0 Meter(s) is an elevation of sea level
(externalImage SeaLevel "http://upload.wikimedia.org/wikipedia/commons/c/ c6/ Well_below_sea_level.jpg")	pictureList.kif 3188-3188	0.0 Meter(s) is an elevation of sea level
(externalImage SeaLevel "http://upload.wikimedia.org/wikipedia/commons/c/ c8/ Death_Valley%2C19820817%2CFurnace_Creek%2Csea_level.jpg")	pictureList.kif 3189-3189	0.0 Meter(s) is an elevation of sea level
(instance SeaLevel GeographicArea)	Geography.kif 5035-5035	Sea level is an instance of geographic area

appearance as argument number 2

(termFormat ChineseLanguage SeaLevel "海平面")	domainEnglishFormat.kif 51703-51703
(termFormat ChineseTraditionalLanguage SeaLevel "海平面")	domainEnglishFormat.kif 51702-51702
(termFormat EnglishLanguage SeaLevel "sea level")	domainEnglishFormat.kif 51701-51701

consequent

(=> (and (elevation ?OBJECT (MeasureFn ?NUM ?UNIT)) (instance ?UNIT UnitOfLength) (instance ?OBJECT LandForm)) (exists (?HIGHPOINT) (and (top ?HIGHPOINT ?OBJECT) (distance ?HIGHPOINT SeaLevel (MeasureFn ?NUM ?UNIT)))))	Geography.kif 2047-2055	If a real number an unit of measure(s) is an elevation of a self connected object and the unit of measure is an instance of unit of length and the self connected object is an instance of land form, then there exists another self connected object such that the top of the self connected object is the other self connected object and the distance between the other self connected object and sea level is the real number the unit of measure(s)
(=> (and (instance ?SEA Sea) (top ?TOP ?SEA)) (altitude ?TOP SeaLevel (MeasureFn 0.0 FootLength)))	Geography.kif 4979-4984	If a self connected object is an instance of sea and the top of the self connected object is another self connected object, then the altitude of the other self connected object relative to sea level is 0.0 foot length(s)
(=> (and (instance ?SEA Sea) (top ?TOP ?SEA)) (altitude ?TOP SeaLevel (MeasureFn 0.0 Meter)))	Geography.kif 4972-4977	If a self connected object is an instance of sea and the top of the self connected object is another self connected object, then the altitude of the other self connected object relative to sea level is 0.0 meter(s)
(=> (elevation ?OBJECT ?HEIGHT) (exists (?DATUM) (and (properPart ?DATUM SeaLevel) (orientation ?OBJECT ?DATUM Vertical) (distance ?OBJECT ?DATUM ?HEIGHT))))	Geography.kif 2039-2045	If a length measure is an elevation of an object, then there exists another object such that the other object is a proper part of sea level and the object is vertical to the other object and the distance between the object and the other object is the length measure

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