Answered: Look at the amount that is occurring at…

Applications and Investigations in Earth Science (9th Edition)

9th Edition

ISBN:9780134746241

Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa

Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa

Chapter1: The Study Of Minerals

Section: Chapter Questions

Problem 1LR

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Use the following information to answer question two to the best of your ability or knowledge

Transcribed Image Text:qualitative conversion educational mat icant interpret Earth SUPPLEMENTAL EXERCISES - ESCI 103L - Cuyahoga Community College Table 2.-Rainfall intensity and duration patterns for North Platte, NE** D.M. Herschfield; 1961; Rainfall Frequency Atlas of the United States; U.S. Weather Bureau. Frequency of rainfall event Duration of rainfall event and total rainfall (in) 30 minutes 1 hour 2 hours 1 year 0.9 1.1 1.2 2 years 5 years 10 years 100 years 1.1 1.4 1.5 1.5 1.9 2.1 1.8 2.2 2.5 2.6 3.4 3.7 2. For the North Platte, NE data set plot frequency (years) on x-axis versus total 30-minute rainfall (in) on y-axis. Connect the dots with a colored pencil. Make curves for the 1 hour and 2 hours data in the same way. Label axes and include units in parentheses. Include a title for your graph and a legend for colors that correspond to the different duration curves. Look at the amount that is occurring at a frequency of 1 year: At the rainfall rate of the 30-minute event, how much total rain would be expected to fall in an hour? a. (show your work) b. Since this doesn't match the total rainfall for the 1-hour rainfall event, what does it say about the rainfall intensity of the shorter duration events? Restricted infiltration and ponding result in poor soil aeration. This leads to poor root function, poor plant growth, nitrogen volatilization, reduced availability of nutrients for plant use, and reduced cycling of nutrients by soil organisms. The soil infiltration rate is most affected by conditions near the soil surface, and the rate can change drastically as a result of management. Infiltration is rapid through large continuous pores at the soil surface, and it slows as pores become smaller. Steady-state infiltration rates typically occur when the soil is nearly saturated. These rates are given for various textural classes in table 3. They are average values and should not be generalized for all soil types. Table 3.-Steady-state infiltration rates* (Soils are wet deep into the profile. Values should be used only for comparing to the infiltration rate of the second inch of water applied.) *Hillel, 1982. Soil texture & type Steady-state infiltration rate (in/hr) Sand >0.8 Sandy and silty soils 0.4-0.8 Loam 0.2-0.4 Clayey soils 0.04-0.2 Sodic clayey soils <0.04 12 Edited from D. Steer, The Good Earth. Also created by K. Sasowsky (Sup. Ex.3, 7, 6a, parts of Sup. Ex. A&B, part, 24, 25, 38, Sup. Alt. Energy 1 and 2, Sup. Switch the Energy Project Discussion Questions); copyrights retained by authors, 2021.

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