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5 cards from this section. Quick, good the night before a test.
What is point rainfall?
Think about where rain is measured.
Name one method used to convert point rainfall to areal rainfall.
What is the simplest method?
What is the main purpose of converting point rainfall to areal rainfall?
Why do we need better data representation?
True or False: The Arithmetic Mean Method is the most accurate for uneven rainfall areas.
Consider the limitations of the method.
Given rainfall data from four gauges: 7 mm, 12 mm, 10 mm, and 20 mm. Using the Arithmetic Mean, calculate the areal rainfall. Then discuss how this method might not reflect true areal rainfall in an area with varying distributions.
Consider if there are any gauges much higher or lower than others.
You have rainfall data from five locations forming a Thiessen polygon. The gauges show 5 mm, 10 mm, 15 mm, 20 mm, and 25 mm. Discuss how you would apply these data using the Thiessen Polygon Method.
Think about how you would determine which gauge influences which area.
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