2.3 Test the consistency of the 22 years of data of the annual precipitation measured atstation A. Rainfall data for station A as well as the average annual rainfall measuredat a group of eight neighbouring stations located in a meteorologically homogeneousregion are given as follows.AnnualAverage AnnualAnnualAverage AnnualRainfall ofRainfall of 8Rainfall ofRainfall of 8Station AStation groupsStation AStation groupsYear(mm)(mm)Year(mm)(mm)194617714319571581641947144132195814515519481781461959132143(Contd. Table)66 Engineering Hydrology(Contd. Table)194916214719609511519501941611961148135195116815519621421631952196152196314013519531441171964130143195416012819651371301955196193196613014619561411561967163161(a) In what year is a change in regime indicated?(b) Adjust the recorded data at station A and determine the mean annual precipitation.

The slope of the above plot changes in the year 1955 Calculate the correction ratio of slopes…

Answered: 2.3 Test the consistency of the 22…

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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The table below lists rainfall data recorded at aUSGS gage for the storm of September 1, 1999. Thebasin area is 2050 acres. Using these data, developa mass diagram (in vs. t) and a rainfall hyetograph(in./hr vs. t) in 15-min intervals and determine thetime period with the highest intensity rainfall.
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A one-day rainfall of 20.0 cm at a place X was found to have a period of 100 years. Calculate the probability that a one-day rainfall of magnitude equal to or larger than 20.0 cm.a) Will not occur at station X during the next 50 years. (Ans. 0.605)b) Will occur in the next year. (Ans. 0.01)c) Will occur once in 10 successive years
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The annual rainfall at the rain-gauge stations with the catchment area of 10km are indicated below. Thiessen polygon measured are also shown in the table below. Stations Recorded rainfall(P1)(cm) Area of polygon(ai)(km2) A 8.8 570 B 7.6 920 C 10.8 720 D 9.2 620 E 13.8 520 F 10.4 550 G 8.5 400 H 10.5 650 I 11.2 500 J 9.5 350 K 7.8 520 L 5.2 250 M 5.6 350 1. Describe mean rainfall over the area using Thiessen polygon method and Compare Thiessen polygon method with arithmetic mean method.
Hello, in this question the average rainfall need to be calculated by the use of Thiessen polygons.
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Below is a square basin with a single length of 3180 meters. Watershed8 hours for 5 stations at their corners (a, B, C, D) and at their full midpoint (E)Hyetographs of rainfall Figure 4. is also given. Average rainfall of the basin based on information givencalculate its height using the Thiessen method.(T=159)

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2.3 Test the consistency of the 22 years of data of the annual precipitation measured at station A. Rainfall data for station A as well as the average annual rainfall measured at a group of eight neighbouring stations located in a meteorologically homogeneous region are given as follows.