Answered: Question 5 Show the 10-yr, 15-min,…

Question 5 Show the 10-yr, 15-min, constant-intensity design storm for a watershed in Baltimore. (Use NOAA Atlas 14 online website)

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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Concept explainers

Probability, risk and uncertainty analysis for hydrological design

It gives a framework that is financially critical for finding the exceptional designs of hydrological systems with a reduced cost in total inclusive of the project cost and the disaster mitigation cost. But there would be hardly any assessment of a decent quality damage function. Hence, errors in demonstrating the hydrologic events, incorrect model parameters, and so on may occur. Here, we will discuss a specific hydrological design that of a detention basin for studying and understanding the risk-based procedure, uncertainties, and probability analysis by following a systematic framework.

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A small catchment area of 150hectare received a rainfall of 10.5cm in 90 min due to a storm at a the outlet of catchment draining the catchment was dry before the storm & experienced a runoff lasting for 10 hrs with average discharge of 1.5 m3/s the stream was dry again after runoff event. a) What is amount of water which was not available to runoff due to combine effect of infiltration evaporation? b) What is the ratio of runoff to precipitation?
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A 100-year storm occurs in Northern Nevada. You wish to find the precipitation and infiltration rate that occurs at the local duck pond over the course of the 1-day storm. In the city records, the area of the duck pond is 10 ft2. The local parks department reports that the evaporation for the pond was 48 inches and the runoff from the pond is 3 feet. The reported change in storage was found to be 0.5 feet. Draw the duck pond system and label each of the elements used in the balance. Find the precipitation (ft) that occurred during the 1-day storm. Determine the infiltration rate (ft/hr.) over the duration of the 1-day storm.
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