4. In water-resources engineering, the sizing of reservoirs depends on accurate estimates of water flow in the river that is being impounded. For some rivers, long-term historical records of such flow data are difficult to obtain. In contrast, meteorological data on precipitation are often available for many years past. Therefore, it is often useful to determine a relationship between flow and precipitation. This relationship can then be used to estimate flows for years when only precipitation measurements were made. The following data are available for a river that is to be dammed: Precip., cm/yr 88.9 108.5 104.1 139.7 127 94 116.8 99.1 Flow, m/s 14.6 16.7 15.3 23.2 19.5 16.1 18.1 16.6 a. Fit a straight line to these data and predict the annual water flow if the precipitation is 120 cm.

4. In water-resources engineering, the sizing of reservoirs depends on accurate estimates of water flow in the river that is being impounded. For some rivers, long-term historical records of such flow data are difficult to obtain. In contrast, meteorological data on precipitation are often available for many years past. Therefore, it is often useful to determine a relationship between flow and precipitation. This relationship can then be used to estimate flows for years when only precipitation measurements were made. The following data are available for a river that is to be dammed: Precip., cm/yr 88.9 108.5 104.1 139.7 127 94 116.8 99.1 Flow, m/s 14.6 16.7 15.3 23.2 19.5 16.1 18.1 16.6 a. Fit a straight line to these data and predict the annual water flow if the precipitation is 120 cm.

Computer Networking: A Top-Down Approach (7th Edition)

7th Edition

ISBN:9780133594140

Author:James Kurose, Keith Ross

Publisher:James Kurose, Keith Ross

Chapter1: Computer Networks And The Internet

Section: Chapter Questions

Problem R1RQ: What is the difference between a host and an end system? List several different types of end...

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