The area shown in Fig. below is composed of a square plus an equilateral triangular plot of side 20 m. The annual precipitations at the rain-gauge stations located at the four corners and center of the square plot and apex of the triangular plot are indicated in the figure. Determine the area of the polygon corresponding to each station as per Thiessen method. Estimate the mean precipitation (cm) over the area by Thiessen polygon method. Estimate the mean precipitation (cm) over the area by arithmatic mean method. Calculate the percentage variation between these two methods considering the Thiessen polygon value as the base value. Write your answers correct to two decimal places. Please upload your own handwritten answer in dropbox. 65 cm 15 km M A 50 cm D 85 cm E 72 cm 15 km B 70 cm C 75 cm

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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The area shown in Fig. below is composed of a square plus an equilateral triangular plot of side 20 m. The annual precipitations at the rain-gauge stations located at the four
corners and center of the square plot and apex of the triangular plot are indicated in the figure.
Determine the area of the polygon corresponding to each station as per Thiessen method.
Estimate the mean precipitation (cm) over the area by Thiessen polygon method.
Estimate the mean precipitation (cm) over the area by arithmatic mean method.
Calculate the percentage variation between these two methods considering the Thiessen polygon value as the base value.
Write your answers correct to two decimal places.
Please upload your own handwritten answer in dropbox.
65 cm
15 km
M
A 50 cm
D 85 cm
E
72 cm
15 km
B 70 cm
C 75 cm
Transcribed Image Text:The area shown in Fig. below is composed of a square plus an equilateral triangular plot of side 20 m. The annual precipitations at the rain-gauge stations located at the four corners and center of the square plot and apex of the triangular plot are indicated in the figure. Determine the area of the polygon corresponding to each station as per Thiessen method. Estimate the mean precipitation (cm) over the area by Thiessen polygon method. Estimate the mean precipitation (cm) over the area by arithmatic mean method. Calculate the percentage variation between these two methods considering the Thiessen polygon value as the base value. Write your answers correct to two decimal places. Please upload your own handwritten answer in dropbox. 65 cm 15 km M A 50 cm D 85 cm E 72 cm 15 km B 70 cm C 75 cm
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