02.4_5 Rainfall_OceanCurrents (1).ppt

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Types of Rainfall & Ocean Currents World Climate Patterns World Geo 3200/3202 Unit 2, Chpt 4 November 2010

Transcript of 02.4_5 Rainfall_OceanCurrents (1).ppt

Types of Rainfall & Ocean CurrentsWorld Climate PatternsWorld Geo 3200/3202Unit 2, Chpt 4November 2010OutcomesIn this lesson o! "ill# 2$3$% &e'ine the terms "ind"ard, lee"ard, and rain shado"$ ()* 2$3$+ ,-amine ho" the tpe o' rain'all (i$e$, oro.raphi/, 'rontal, and /onve/tional* is related to the nat!re o' lo/ation$ (a* 2$3$0 ,-plain ho" "ind sstems and pre/ipitation are related$ ()* Types of RainThree types of rainfall#1$ 1elie' 1ain2$ Conve/tional 3$ 2rontal / C/loni/ 1ainRelief RainfallStage 1.Warm "et air is 'or/ed to rise over hi.h land$ Stage 2.3s the air rises it /ools 4 /ondenses$ Clo!ds 'orm 4 pre/ipitation o//!rs$ Stage 3.5he drier air des/ends 4 "arms$ Stage 4.3n moist!re in the air (e$.$ /lo!d* evaporatesConvectional RainfallStage 15he s!n heats the .ro!nd 4 "arm air rises$ Stage 23s the air rises it /ools 4 "ater vapo!r /ondenses to 'orm /lo!ds$ Convectional RainfallStage 3. When the /ondensation point is rea/hed lar.e /!m!lonimb!s /lo!ds are 'ormed$ Stage 4. 6eav rain storms o//!r "ith th!nder 4 li.htenin. d!e to the ele/tri/al /har.e /reated b !nstable /onditions$ Frontal / Cyclonic RainfallStage 1 3n area o' "arm air meets an area o' /old air$ Stage 2. 5he "arm air is 'or/ed over the /old air Stage 3. Where the air meets the "arm air is /ooled 4 "ater vapo!r /ondenses$ Stage 4.Clo!ds 'orm 4 pre/ipitation o//!rs http://www.curriculumbits.com/prodimages/details/geography/typesofrainfall.html!art ": Ocean Currents OutcomesIn this lesson o! "ill learn to$$$ 2$4$1 &e'ine the term o/ean /!rrent$ ()* 2$4$2 3nal7e ho" o/ean /!rrents /an /reate di''erent /limati/ /onditions 'or t"o /oastal lo/ations on the same latit!de$ (a*Ocean Currents1$ Permanent or semi8permanent hori7ontal movement o' s!r'a/e "ater (the top 100m* It is !n!s!all /old or hot, "hen /ompared "ith the s!rro!ndin. "ater 2$ Ca!sed b and shaped b,9prevailin. "inds, 9variations in temperat!re 9densit o' "ater9Coriolis 'or/e #arm and Cold CurrentsCold ocean currents: move water towards the equator. 9 2or e-ample the 6!mbolt or Per! C!rrent /arries /old "ater 'rom 3ntar/ti/a to"ard the e:!ator (alon. the ;o!th 3meri/an /oast*$ Can o! 'ind it on pa.e %0