2. Explain (list and define) the three main mechanisms for generation of vertical air motion (air mass lifting).

Structural Analysis
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Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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Please answer question 2
2. Explain (list and define) the three main mechanisms for generation of vertical air motion (air mass
lifting).
3.
4.
List at least three factors that impact a watershed's response to rainfall.
For a long time period, a 75-acre watershed receives 35 inches of precipitation and has a 5-inch
evapotranspiration annually, determine the annual average runoff in inches. Additionally, determine
the (annual average) volume of runoff in acre-ft.
Transcribed Image Text:2. Explain (list and define) the three main mechanisms for generation of vertical air motion (air mass lifting). 3. 4. List at least three factors that impact a watershed's response to rainfall. For a long time period, a 75-acre watershed receives 35 inches of precipitation and has a 5-inch evapotranspiration annually, determine the annual average runoff in inches. Additionally, determine the (annual average) volume of runoff in acre-ft.
Expert Solution
Step 1: Introduction about air motion.

The Atmospheric lifting is a process of lifting winds to a certain height. This process is done by certain mechanisms, which are discussed below.

There are four mechanisms involved in vertical air flow. They are

  • Convention
  • Orographic lifting
  • Frontal lifting
  • Convergence
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