9.1.2 - Steps of Construction
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Practice Questions
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What is the first step in the Theissen Polygon Method?
💡 Hint: Think about starting with a clear map.
What do we draw to define area boundaries around each rain gauge?
💡 Hint: What helps create equal areas around each station?
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the first step in the Theissen Polygon Method?
💡 Hint: It's about starting with a clear visual.
True or False: The Theissen Polygon Method considers topography.
💡 Hint: Think about how this simplicity could impact accuracy.
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Challenge Problems
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Given five rain gauge stations located at these coordinates: (0,0), (4,0), (0,3), (4,3), and (2,1.5), construct the Theissen polygons and determine their areas.
💡 Hint: Start by plotting on graph paper for a clearer view.
A catchment area has three rain gauges with areas A1=6 km² (P1=80mm), A2=4 km² (P2=120mm), and A3=2 km² (P3=200mm). Calculate the weighted average rainfall.
💡 Hint: Break down the computation step by step to avoid mistakes.
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