Lecture 3 study design

Lecture 3 study design - ESM 340 Research Methods in...

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ESM 340 Research Methods in Environmental Science
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What is a Conceptual Framework of your study? A visual or written product that explains the main things to be studied the key factors the concepts the variables the presumed relationships among them. ---Miles and Huberman (1994)
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Key factor: Clear-cut in Oregon forests
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Research question : How will clear-cut affect stream flow in Oregon forests? Timber harvest (Clear-cut) Stream flow How? Conceptual model: Key factor: Variable: Relationship
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Timber harvest will remove/reduce vegetation
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Research question : How will clear-cut affect stream flow in Oregon forests? Timber harvest (Clear-cut) Stream flow Loss of vegetation Conceptual model:
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Loss of vegetation will reduce evapotranspiration (ET)
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Loss of vegetation will reduce evapotranspiration (ET)
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Reduced evapotranspiration will increase hillslope runoff Saturated overland flow Groundwater Infiltration Exfiltration Subsurface flow
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Research question : How will clear-cut affect stream
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Lecture 3 study design - ESM 340 Research Methods in...

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