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Lecture 9

Lecture 9 Notes [Completed].docx

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Department
Earth Sciences
Course
EARTHSC 2WW3
Professor
John Macclean
Semester
Spring

Description
thMarch262014EarthScience2WW3Lecture9TheGreatLakesPhysicalCharacteristics32Big23000kmwater244000km18ofworldsfreshwater1outflowoWhydoesthismatteroOnly1ofthewaterflowsanywhereoThemorepollutantswethrowinthewaterandthemoreuseofthewaterthehigherthelevelsoftoxicitymoresusceptibletopollutionSurroundedbyoneprovinceandeightstatesGreatchangesinenvironmentfromsouthtonorthoPopulationclimategeologyDonotneedtomemorizetableLakeSuperiordeepestandlargestLakeEriehaslongershorelinebutlessvolumesinceitssoshallowoLesswatereasiesttohaveproblemsoHighpopulationarounditthMarch262014CatchmentareaaroundlakeAnythingyouputinthegroundwillprobablygettothelakesPollutionthatfallsaroundthisareawillgetintothelakeoMuchlargerthanjusttheshorelinesoQuiteadistanceawayThePastOverviewRetreatingglaciers10000ishyearsagoandformedthelakesLeftbehindsedimentandnutrientsthatmadethelandfertileoGoodforagricultureinfluencedpeopletomovehereNativepeoplelivedwiththeecosystemEuropeansettlerscameinontributariesleftwithvaluablenaturalresourcesTheSecondWaveofEuropeanSettlersFirstoneswereexplorersoSecondwavewastheonesthatrealizeditwasagoodspotLoggedtheareaFarmedandaddednutrientsMoreefficientfishingBuiltsawmillsoneofthefirstindustries
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