Campbell Biology
12th Edition
ISBN: 9780135188743
Author: Urry
Publisher: PEARSON
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Textbook Question
Chapter 55, Problem 9TYU
Level 3: Synthesis/Evaluation
9. DRAW IT (a) Draw a simplified global water cycle showing ocean, land, atmosphere, and runoff from the land to the ocean. Label your drawing with these annual water fluxes:
■ ocean evaporation, 425 km3
■ ocean evaporation that returns to the ocean as precipitation, 385 kin3
■ ocean evaporation that falls as precipitation on land, 40 km3
■ evapotranspiration from plants and soil that falls as precipitation on land, 70km3
■ runoff to the oceans, 40 km3
(b) What is the ratio of ocean evaporation that falls as precipitation on land compared with runoff from land to the oceans? (c) How would this ratio change during an ice age. and why?
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Students have asked these similar questions
. You are working at the Loy Farm and are tasked with analyzing water supply for agriculture purposes. Answer the following questions:
a) You run an experiment to estimate the water flow rate of the drip irrigation system in the Elon High Tunnel greenhouse. You randomly place 10 small 1-quart paint buckets in the soil along the irrigation system. The table below summarizes the water volume collected in the buckets. The irrigation system was running for 2 hrs. Each bucket has a diameter of 11.2 cm, and volume was measured in milliliters (ml). What is the average drip flow in the irrigation system in inches/hr? (Hint: look up the formula for the area of a circle if you don't already know it).
Bucket Number
Volume, ml
Bucket Number
Volume, ml
1
828
6
423
2
829
7
661
3
915
8
885
4
969
9
391
5
887
10
713
b) The open-air crop beds are 7952 ft2 in area. The soil is prepared to a depth of 24…
ZA
5. (6 points) The topographic map below shows the locations of wells (labeled A-G) that were visited
and depth to water from the surface was measured. Using the information on the map, complete
the data table. Then, using the water table elevations, draw an arrow on the map indicating the
direction of groundwater flow.
-375"
BX
350'-
DX
-325'
1
Well
EX
Surface Depth
Elevation to
Water Elevation
Water
Table
125'
A
*
300'
Schist's Creek (275')
B
96'
108'
D
72'
E
43'
F
49'
G
18'
Contour Interval: 5 feet
72
CASE STUDY CONNECTION California’s governor has put you in charge of water policy for the state. Aquifers beneath the state have been overpumped, and many wells have run dry. Agricultural production in the state is down, and farmers are clamoring for you to do something. Meanwhile, more water is needed for burgeoning urban populations in cities such as Los Angeles and San Francisco. What policies would you consider to restore California’s water supply? Would you try to take steps to increase supply, decrease demand, or both? Explain why you would choose such policies.
Chapter 55 Solutions
Campbell Biology
Ch. 55.1 - Why is the transfer of energy in an ecosystem...Ch. 55.1 - WHAT IF? You are studying nitrogen cycling on the...Ch. 55.1 - MAKE CONNECTIONS Use the second law of...Ch. 55.2 - Why is only a small portion of the solar energy...Ch. 55.2 - How can ecologists experimentally determine the...Ch. 55.2 - Prob. 3CCCh. 55.2 - MAKE CONNECTIONS Explain how nitrogen and...Ch. 55.3 - If an insect that eats plant seeds containing 100...Ch. 55.3 - Prob. 2CCCh. 55.3 - Prob. 3CC
Ch. 55.4 - DRAW IT For each of the four biogeochemical...Ch. 55.4 - Why does deforestation of a watershed increase the...Ch. 55.4 - WHAT IF? Why is nutrient availability in a...Ch. 55.5 - Prob. 1CCCh. 55.5 - Prob. 2CCCh. 55.5 - WHAT IF? In what way is the Kissimmee River...Ch. 55 - Considering the second law of thermodynamics,...Ch. 55 - Prob. 55.2CRCh. 55 - Why would runners hove a lower production...Ch. 55 - If decomposers usually grow faster and decompose...Ch. 55 - In preparing a site for surface mining and later...Ch. 55 - Prob. 1TYUCh. 55 - Prob. 2TYUCh. 55 - The discipline that applies ecological principles...Ch. 55 - Level 2: Application/Analysis 4. Nitrifying...Ch. 55 - Which of the following has the greatest effect on...Ch. 55 - Prob. 6TYUCh. 55 - Which of the following would be considered an...Ch. 55 - Prob. 8TYUCh. 55 - Level 3: Synthesis/Evaluation 9. DRAW IT (a) Draw...Ch. 55 - Prob. 10TYUCh. 55 - Prob. 11TYUCh. 55 - WRITE ABOUT A THEME: ENERGY AND MATTER...Ch. 55 - Prob. 13TYU
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