padavine ljđ
TRANSCRIPT
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Padavine
Ljubica Đukić, mart 2014.
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Nazivamo ih još i:- HIDROMETEORI ili ATMOSFERSKI TALOG
NISKE
VISOKE
PADAVINE
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Niske padavine se obrazuju pri tluROSA
SLANA
INJE
POLEDICA
Niske padavine
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Rosa
• Nastaje kondenzacijom vodene pare u vidu kapljica na tlu i prizemnim predmetima
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Slana
• Nastaje isto kao i rosa, ali pri temperaturama nižim od 0° C (sublimacija)
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Inje
• Nastaje pri hladnom, maglovitom vremenu (-10 do -20° C) sa slabim vetrom
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Poledica • Formira se kada sitne, prehlađene kapi kiše padaju na tlo čija je temperatura ispod 0° C i mrznu se obrazujući tanku, ledenu koru
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Visoke padavine se izlučuju iz oblakaKiša
Sneg
Grad
Krupa
Visoke padavine
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KIŠA
• Pada iz oblaka debljih od 700 m
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Ledena kiša
• Ledena kiša je padavina koja započinje kao sneg, ali zatim se prolaskom kroz topliji sloj vazduha otopi.• Nakon toga ona nastavlja da pada kroz sloj hladniji od 0° C, ali ledi se tek pri dodiru sa hladnim predmetima.
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Sneg
• Pada pri temperaturi od -40 do +10° C
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Sneg čine šestougaoni kristali koji se grupišu stvarajući pahulje
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Grad
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Posledice grada
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Krupa
Uvećan snimak
• Čine je bela, neprozirna zrna, prečnika 1-5 mm. • Pri padu odskaču od zemlje.
• Pada pri temperaturi od oko 0° C, krajem zime, često pre snega ili zajedno sa njim i početkom proleća.
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Instrumenti za merenje padavina
• Kišomer (Helmanov)
• Pluviograf
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Helmanov kišomer
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Pluviograf
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Karta izohijeta
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Radarska slika
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Hvala na pažnji
Savršenstvo prirode