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Problem 1. A pine forest is to be cleared for a development in which all the trees on the site will be removed. The IDF curve for the area is given by { = 2819 t+20 Where i is the average rainfall intensity in mm/h and t is the duration in minutes. The storage capacity of the trees in the forest is estimated as 5 mm, the leaf area index is 6, and the evaporation rate during the storm is estimated as 0.3 mm/h. Determine the increase in precipitation reaching the ground during a 30- min storm that will result from cleaning the site.

Problem 1. A pine forest is to be cleared for a development in which all the trees on the site will be removed. The IDF curve for the area is given by { = 2819 t+20 Where i is the average rainfall intensity in mm/h and t is the duration in minutes. The storage capacity of the trees in the forest is estimated as 5 mm, the leaf area index is 6, and the evaporation rate during the storm is estimated as 0.3 mm/h. Determine the increase in precipitation reaching the ground during a 30- min storm that will result from cleaning the site.

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Problem 1. A pine forest is to be cleared for a development in which all the trees on the site will be removed. The IDF curve for the area is given by 2819 i = t + 20 Where i is the average rainfall intensity in mm/h and t is the duration in minutes. The storage capacity of the trees in the forest is estimated as 5 mm, the leaf area index is 6, and the evaporation rate during the storm is estimated as 0.3 mm/h. Determine the increase in precipitation reaching the ground during a 30- min storm that will result from cleaning the site.
Transcribed Image Text:Problem 1. A pine forest is to be cleared for a development in which all the trees on the site will be removed. The IDF curve for the area is given by 2819 i = t + 20 Where i is the average rainfall intensity in mm/h and t is the duration in minutes. The storage capacity of the trees in the forest is estimated as 5 mm, the leaf area index is 6, and the evaporation rate during the storm is estimated as 0.3 mm/h. Determine the increase in precipitation reaching the ground during a 30- min storm that will result from cleaning the site.
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