Lifes a Beach Geological Processes Living wih_Trembanis_Date_041310_72

Lifes a Beach Geological Processes Living wih_Trembanis_Date_041310_72

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Estuaries: what is an estuary? how do you classify different types? how does water move in them? how do tides affect them? Key Terms/Concepts: estuary types: salt-wedge, well-mixed, partially mixed, and fjord upper, middle, lower estuary sections salinity structure and velocity structure estuarine circulation (residual circulation) estuarine turbidity (maximum) Chesapeake bay (largest on east coast), San Francisco bay (largest on west coast)- popular areas to live in because they are a source of fresh water and fertile land, naturally protected areas Estuary Definition: an estuary is a semi-enclosed coastal body of water which has a free connection with the open sea and within which sea water is measurably diluted with fresh water derived from land drainage from Latin aestarium ‘tidal part of a shore’, from aestus tide a semi-enclosed body of water open to the sea that contains seawater measurably diluted by freshwater derived from land runoff Classification of different types of estuaries: classification by geologic origin o coastal plain estuary (drowned valley) – Delaware Bay o fjord-type estuary (glacial) – Puget Sound, WA
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  • Spring '10
  • ArthurCTrembanis
  • estuary, coastal plain estuary, salt wedge estuary, lower estuary sections, protected areas Estuary

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Lifes a Beach Geological Processes Living wih_Trembanis_Date_041310_72

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