Desertification - Sigma Knowledge base Browser

appearance as argument number 1

(documentation Desertification ChineseLanguage "Desertification 是肥沃土地变成沙漠的 Process。")	Weather.kif 2470-2471
(documentation Desertification EnglishLanguage "Desertification is the Process by which fertile land becomes desert.")	Weather.kif 2468-2469
(externalImage Desertification "http://upload.wikimedia.org/wikipedia/commons/ 7/ 7b/ Aralship2.jpg")	pictureList.kif 5957-5957
(externalImage Desertification "http://upload.wikimedia.org/wikipedia/commons/ 9/ 94/ ShrinkingLakeChad-1973-1997-EO.jpg")	pictureList.kif 6370-6370
(externalImage Desertification "http://upload.wikimedia.org/wikipedia/commons/ f/ f9/ Nouakchott_SandDunesEncroaching.jpg")	pictureList.kif 6371-6371
(subclass Desertification WeatherProcess)	Weather.kif 2466-2466	Desertification is a subclass of weather process

appearance as argument number 2

(termFormat ChineseLanguage Desertification "荒漠化")	domainEnglishFormat.kif 19227-19227
(termFormat ChineseTraditionalLanguage Desertification "荒漠化")	domainEnglishFormat.kif 19226-19226
(termFormat EnglishLanguage Desertification "desertification")	domainEnglishFormat.kif 19225-19225

antecedent

(=>
    (and
        (instance ?DESERTIFICATION Desertification)
        (eventLocated ?DESERTIFICATION ?AREA))
    (exists (?A1 ?A2)
        (and
            (instance ?A1 ArableLand)
            (instance ?A2 Desert)
            (holdsDuring
                (BeginFn
                    (WhenFn ?DESERTIFICATION))
                (overlapsSpatially ?AREA ?A1))
            (holdsDuring
                (EndFn
                    (WhenFn ?DESERTIFICATION))
                (overlapsSpatially ?AREA ?A2)))))

Weather.kif 2474-2487

If a process is an instance of desertification and the process is located at an object,
then there exist an entity and another entity such that the entity is an instance of arable land and the other entity is an instance of desert and the object and the entity overlapsSpatially holds during the beginning of the time of existence of the process and the object and the other entity overlapsSpatially holds during the end of the time of existence of the process

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