McKnight's Physical Geography - Fourth California Edition
4th Edition
ISBN: 9781323272299
Author: Darrel Hess
Publisher: PEARSON
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Chapter 5, Problem 1LC
To determine
To explain: The reason for the decrease in the atmospheric pressure with an altitude.
Expert Solution & Answer
Answer to Problem 1LC
The atmospheric pressure usually decreases as the altitude increases because of the compressible nature of Earth’s atmosphere, and the weaker influence of Earth’s gravity at the higher altitudes.
Explanation of Solution
The atmospheric pressure can be defined as the force exerted by the mass of gas molecules on a unit area of Earth's surface as well as on any other body on Earth.
The atmosphere is composed of gases that contain mass. As atmosphere has a weight, this mass is being pulled towards Earth by gravitational force.
The atmospheric pressure is omnidirectional, means it exerts the force equally in all directions (above, below, sides, and diagonally).
The atmospheric pressure is about 14.7 pounds per square inch at the sea level. Atmospheric pressure decreases with an increasing altitude because the actual number of gas molecules is also reduced. As we move farther away from Earth and its gravitational pull, the number of gas molecules present in the atmosphere will be lesser.
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44) In periglacial environments, the layer of ground that thaws every summer and freezes every winter is called
A) frost layer
B) permafrost
C) active layer
D) discontinuous permafrost
Use the attached piezometer map to make your own, clean version of the map, and indicate the elevation of the water table at all piezometer locations.
Draw equipotential lines (lines of equal water table elevation) using regular intervals – creating a contoured map of the water table.
Determine the direction of groundwater flow based on the horizontal gradient. Label the areas of recharge and discharge directly on your map.
Flow lines: Draw flow lines on your water table map. The lines should be at right angles to the equipotential lines and extend from the recharge area to the discharge area.
Hydraulic Gradient, Specific Discharge (Darcy Flux), Average Linear Velocity:
Using your water table map, estimate an average hydraulic gradient between two locations, call them locations A and B, one at the eastern-most and a second at the western-most extent of your dataset (note the north arrow on the map).
Calculate the specific discharge, q, between the two locations. For this calculation…
Calculate all the values of table 1:
Q in (L/day)
Q out (L/day)
Residence time (days)
Please show all steps
Chapter 5 Solutions
McKnight's Physical Geography - Fourth California Edition
Ch. 5 - Prob. 1LCCh. 5 - Prob. 2LCCh. 5 - Prob. 3LCCh. 5 - Prob. 4LCCh. 5 - Prob. 5LCCh. 5 - Prob. 6LCCh. 5 - Prob. 7LCCh. 5 - Prob. 8LCCh. 5 - Prob. 9LCCh. 5 - Prob. 10LC
Ch. 5 - Prob. 11LCCh. 5 - Prob. 12LCCh. 5 - Prob. 13LCCh. 5 - Prob. 14LCCh. 5 - Prob. 15LCCh. 5 - Prob. 1KTCCh. 5 - Prob. 2KTCCh. 5 - Prob. 3KTCCh. 5 - Prob. 4KTCCh. 5 - Prob. 5KTCCh. 5 - Prob. 6KTCCh. 5 - Prob. 7KTCCh. 5 - Prob. 8KTCCh. 5 - Prob. 9KTCCh. 5 - Prob. 10KTCCh. 5 - Prob. 11KTCCh. 5 - Prob. 12KTCCh. 5 - Prob. 13KTCCh. 5 - Prob. 14KTCCh. 5 - Prob. 15KTCCh. 5 - Prob. 16KTCCh. 5 - Prob. 17KTCCh. 5 - Prob. 18KTCCh. 5 - Prob. 19KTCCh. 5 - Prob. 20KTCCh. 5 - Prob. 21KTCCh. 5 - Prob. 22KTCCh. 5 - Prob. 23KTCCh. 5 - Prob. 24KTCCh. 5 - Prob. 25KTCCh. 5 - Prob. 26KTCCh. 5 - Prob. 27KTCCh. 5 - Prob. 28KTCCh. 5 - Prob. 29KTCCh. 5 - Prob. 30KTCCh. 5 - Prob. 31KTCCh. 5 - Prob. 32KTCCh. 5 - Prob. 33KTCCh. 5 - Prob. 1QCh. 5 - Prob. 2QCh. 5 - Prob. 1SQCh. 5 - Prob. 2SQCh. 5 - Prob. 3SQCh. 5 - Prob. 4SQCh. 5 - Prob. 5SQCh. 5 - Prob. 6SQCh. 5 - Prob. 7SQCh. 5 - Prob. 8SQCh. 5 - Prob. 1ECh. 5 - Prob. 2ECh. 5 - Prob. 3ECh. 5 - Prob. 4ECh. 5 - Prob. 5E
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