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12_-_Biosphere__Stu_Gage_ - Understand the Biosphere with a...

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• Understand the Biosphere … –with a system science perspective –including the human dimensions Stuart Gage
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The “Biosphere” • Define the concept of the Biosphere • Discuss some characteristics of the Biosphere • List five fundamental principles of the concept • Explain the importance of Biospheric thinking • Make a case for Earth System Science
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ATMOSPHERE H Y D R O S PH ER E The region with life; The Biosphere LI T H O S P H E R E EARTH SYSTEM System diagram System Boundary
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What is a System and What is System Science? • A System is a set of related components that interact and change in time and space • System Science is a method used to organize projects to solve complicated problems and address complex issues. (cf. scientific method) • System Science is used to solve complex problems; It requires a holistic, multi- and trans- disciplinary, and often a team approach
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The Biosphere
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Bretherton Diagram-Synthesis Atmospheric Physics/Dynamics Tropospheric Chemistry Ocean Dynamics Terrestrial Energy/Moisture Marine Biogeochemistry Terrestrial Ecosystems Global Moisture Co2 Stratospheric Chemistry/ Dynamics External Forcing Co2 Biogeochemical Cycles Physical Climate System Volcanoes Sun Land Use Climate Change Pollutants Human Activities Soil
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Biosphere Diagram 2 Biotic Drivers Energy Drivers Abiotic Drivers Sun -- Earth's Internal Heat -- Gravity Physical Climate System Biogeochemical Cycles Stratospheric Chemistry/Dynamics Atmospheric Dynamics Terrestrial Energy/Moisture Ocean Dynamics Open/Marginal Marine Ecosystems Land Ecosystems Terrestrial/Aquatic Tropospheric Chemistry Human Activities -- Evolutionary Processes Solar Output -- Sun-Earth Relationships Bolide Impact -- Tectonic Cycle Greenhouse Effect Interactions : Mass, Energy, Information Technology Population Culture Organization Habitat Species Diversity Biogeochemical Cycles Pollution Biological Processes Chemical Processes Physical Processes Human Condition Change Environmental Change Climate Change Global Change Environment D Long, S Gage, P Webber, and C Harris.1997. The Biosphere Diagram I. MSU ESSE Program
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Biosphere Diagram Herbivores Omnivores Carnivores Decomposers Water Cycle Water Cycle Evaporation Marine Water runoff CHANGE CHANGE Ocean depth zones Ocean heat capacity Surface-Ground water dynamics Aquatic Ecosystems Hydrosphere Hydrosphere C r y o s p h e r e S e a - I c e d y n a m i c s Earth’s rotation (Seasonality) Solar Radiation Geographical latitude Sun plants virus prokaryotes protozoa algae bacteria fungi animals (inc.humans) Energy Energy Lithosphere Continental Geomorphology CHANGE CHANGE Soil development Tundra Tundra Lakes Rivers Streams Marshes Freshwater Succession Evolution Extinction Respiration Heat Ocean circulation Sea level Seasonal precipitation Fresh water distribution
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