The Global Cycles and Systems

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The Global Cycles and Systems

• June 4, 2015

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Biogeochemical Cycles

• A biogeochemical cycle is the complete path a
  chemical takes through Earths 4 spheres
  lithosphere, hydrosphere, atmosphere, and
  biosphere

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Cycling of a Chemical in an Ecosystem
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Geologic Cycle

• Rocks and soils continuously created, maintained,
  changed, and destroyed by physical, chemical, and
  biological processes

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Geologic Cycle
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Hydrologic Cycle

• Hydrologic Cycle the cycling of water between
  the atmosphere, lithosphere, biosphere, and
  hydrosphere

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Hydrologic Cycle
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Carbon Cycle