25.6 - Estimation Using Digital Elevation Models (DEMs)
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Practice Questions
Test your understanding with targeted questions
What does DEM stand for?
💡 Hint: Think about what 'digital' refers to in mapping.
Name one software used for analyzing DEMs.
💡 Hint: Consider software commonly used in GIS.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the primary purpose of utilizing DEMs in hydrology?
💡 Hint: Think about what features affect how water collects.
True or False: The Planchon-Darboux method is used for identifying land cover.
💡 Hint: Consider the main function of this algorithm.
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Challenge Problems
Push your limits with advanced challenges
Given a DEM of a fictional watershed, apply the Planchon-Darboux method to identify potential water retention areas and explain the importance of these findings.
💡 Hint: Draw connections between elevation data and potential water storage.
Analyze the impact of using high-resolution DEMs versus low-resolution DEMs in estimating depression storage for hydrological modeling.
💡 Hint: Consider the detail in elevation data and its impact on modeling accuracy.
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