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12th Grade Avalanches Quizzes , Questions & Answers

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Avalanche Flow Quiz: The Math Behind Moving Snow

This assessment explores the mathematical principles underpinning avalanche flow. It evaluates understanding of key concepts such as snow mass, velocity, and forces involved in snow movement. Mastering these topics is essential...

Questions: 15 | Attempts: 16 | Last updated: Mar 19, 2026

Sample Question 1
What is the primary purpose of mathematical avalanche runout models used in hazard mapping?

To predict the exact day and time of the next avalanche release event

To calculate the number of snow crystals contained in a typical slab avalanche

To predict the maximum distance and area likely to be reached by an avalanche of a given size, informing land use planning and infrastructure protection decisions

To measure snow temperature at different depths within the snowpack before release

Sample Question 2
What is the Voellmy fluid model and what two resistance parameters does it use to simulate dense avalanche flow?

A purely viscous Newtonian flow model based on fluid dynamics applied to wet avalanche runout scenarios

A two-parameter model describing flowing avalanche snow using a dry Coulomb friction coefficient and a turbulent velocity-dependent drag coefficient to simulate resistance to flow

A statistical regression model predicting runout distance from historical avalanche path databases

A model using only internal friction without any velocity-dependent term to simulate dense snow flow

Sample Question 3
Higher resolution digital elevation models derived from lidar surveys always reduce the accuracy of avalanche runout simulations regardless of terrain complexity.

True

False

12th Grade Avalanches Quizzes , Questions & Answers

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