At a certain place in Indonesia, the transplantation of rice takes 16 days, and the total depth of water required by the crop is 60 cm on the field. During this transplantation period of 16 days, rain starts falling and about 10 cm of rain is being utilised to fulfil the rice demand. Find the duty of irrigation water required for rice during transplanting period. (a) Assuming 25% losses of water in water courses, find the duty of water at the head of the watercourse(b) Find the duty of water at the head of distributary, assuming 15% losses from the distributary head to the watercourse head

At a certain place in Indonesia, the transplantation of rice takes 16 days, and the total depth of water required by the crop is 60 cm on the field. During this transplantation period of 16 days, rain starts falling and about 10 cm of rain is being utilised to fulfil the rice demand. Find the duty of irrigation water required for rice during transplanting period. (a) Assuming 25% losses of water in water courses, find the duty of water at the head of the watercourse(b) Find the duty of water at the head of distributary, assuming 15% losses from the distributary head to the watercourse head

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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Basic Concepts of Water Resource Sustainability

The majority of the earth's surface is composed of water. The water which is available for use by the living beings on earth comes from various water resources. Water resources are the naturally occurring water bodies that are intended to be used by the living beings on earth for drinking and other uses. Water resources provide 3% as freshwater, 97% as saltwater, two-thirds of which are frozen as glaciers and ices. The remaining water which generally doesn't remain frozen are the water resources found underground, precisely known as groundwater. The majority of these water sources act as non-convention sources of power generation, like in hydropower stations.

Question

At a certain place in Indonesia, the
transplantation of rice takes 16 days, and the
total depth of water required by the crop is 60
cm on the field. During this transplantation
period of 16 days, rain starts falling and about
10 cm of rain is being utilised to fulfil the rice
demand. Find the duty of irrigation water
required for rice during transplanting period.
(a) Assuming 25% losses of water in water
courses, find the duty of water at the head of
the watercourse(b) Find the duty of water at
the head of distributary, assuming 15% losses
from the distributary head to the watercourse
head

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