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Waterforms of Pennsylvania. Lesson 2. 5 Themes of Geography. 1. L ocation – location of city or your community 2. P lace – where something is in relation to its surroundings ex. City in contrast to smaller communities

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Waterforms of Pennsylvania


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5 themes of geography
5 Themes of Geography
  • 1. Location – location of city or your community
  • 2. Place – where something is in relation to its surroundings ex. City in contrast to smaller communities
  • 3. Human-Environment Interaction – how people depend on the environment or change land
  • 4. Movement – connection between places and patterns of movement
  • 5. Region – ex. Tourist, political, business, rural, urban, suburban, or even school district
vocabulary 3 minutes to copy into your notes leave spaces between words
Vocabulary – 3 minutes to copy into your notes, leave spaces between words
  • Tributary
  • Reservoirs
  • Freight
  • Commerce
  • Headwaters
  • Source
  • Waterbed
  • Mouth
  • Wetlands
  • Hydroelectric Power
  • Glacial forces
rivers and tributary systems
Rivers and Tributary Systems
  • 45,000 miles of rivers, tributaries, and 256 lakes.
  • Tributary – smaller stream flowing into a larger stream of lake
  • Reservoirs – an artificial lake where water is stored and collected for water supply
  • 3 major river systems
    • Western Pa – 3 rivers
    • Susquehanna River
    • Delaware River
western pa river systems
Western PA River Systems
  • Allegheny River Headwaters
    • Begins in Pennsylvania, flows into New York, and back into PA. Flows southward towards Pittsburgh
  • Monongahela River
    • SW Pennsylvania, begins in West Virginia and flows northward to Pittsburgh.
    • Youghiogheny River – starts in Maryland, flows into the Monongahela. Wild river – white water rapids.
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Ohio River

    • Allegheny and Monongahela Rivers meet in Pittsburgh to form a third river – Ohio River.
    • Important in the development of PA and other states they were used as transportation routes for commerce (freight).
    • Commerce – the exchange or buying and selling of commodities
    • Freight – Cargo
susquehanna river system
Susquehanna River System
  • Headwaters starts in New York, flowing southward through the entire state.
    • Headwaters – source of a stream
    • Source – the beginning of a stream of water
  • Major tributaries:
    • West Branch of the Susquehanna
    • Juniata Rivers
      • Serves as a watershed for central PA
      • Watershed – geographic area or region into which all the creeks and tributaries flow into a large river.
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Too shallow to allow travel.

  • Mouth of the Susquehanna River is Chesapeake Bay
    • Mouth – part of a river where its water empties into another body of water.
delaware river system
Delaware River System
  • Begins in New York
  • Forms a natural border between Pennsylvania and New Jersey
  • Two major tributaries:
    • Lehigh River
    • Schuylkill River
  • Philadelphia is a major deep-water port located on the Delaware River
    • Large ocean ships use this port
lakes and wetlands
Lakes and Wetlands
  • More than 2,000 small lakes in PA
  • Only 76 of them exceed 20 acres in size
  • Natural lakes created by glacial forces – created by force when glaciers once covered northern Pennsylvania, digging holes which later became lakes.
slide16

Wetlands – lowland area, such as a marshy or swampy place, that holds moisture.

  • Excellent habitat for wildlife.
  • 200,000 acres of wetlands in PA, mainly located in the northeast and northwest.
reservoirs and dams
Reservoirs and Dams
  • Reservoirs – An artificial lake where water is stored and collected for a water supply.
    • Helps keep water flowing at a steady pace during drier times and prevents flooding after large storms or winter melt.
    • Hydroelectric Power – producing electric by harnessing the power of flowing water
    • Other uses include recreation – fishing, boating, swimming, and water-skiing, for Pennsylvanians and tourists.