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Earth SUPPLEMENTAL EXERCISES - ESCI 103L - Cuyahoga Community College 4. Analyze the Big Black River, Mississippi hydrograph shown below and answer the questions that follow. Units on the Y-axis are CFS (cubic feet per second). Each tick on the X-axis represents (Each spike represents stream discharge within a particular year.) Discharge, in CFS 100000 98888 88888 70008 60008 58888 48888 38088 20088 10000 8.8 1958 1968 1978 1988 1998 rate no 5. How many floods of 50,000 cfs or greater (look carefully!) occurred between 1949-1999? 6. given: frequency = (# of flood events)/(# of years of record) and recurrence interval (R.I.) = 1/frequency What is the average recurrence interval (R.I.) for these floods... sep years (show work) 7. a. What is the shortest time interval between floods of this size? ... b. Which means that the shortest re-occurrence was: months year (a decimal or fraction) 8. Suppose the average recurrence interval flood you found above occurs in 2010. Based on what you know about recurrence intervals, how likely is it that a 50,000 cfs or greater flood will occur in 2011 (circle one)? Just as likely Less likely More likely

Earth SUPPLEMENTAL EXERCISES - ESCI 103L - Cuyahoga Community College 4. Analyze the Big Black River, Mississippi hydrograph shown below and answer the questions that follow. Units on the Y-axis are CFS (cubic feet per second). Each tick on the X-axis represents (Each spike represents stream discharge within a particular year.) Discharge, in CFS 100000 98888 88888 70008 60008 58888 48888 38088 20088 10000 8.8 1958 1968 1978 1988 1998 rate no 5. How many floods of 50,000 cfs or greater (look carefully!) occurred between 1949-1999? 6. given: frequency = (# of flood events)/(# of years of record) and recurrence interval (R.I.) = 1/frequency What is the average recurrence interval (R.I.) for these floods... sep years (show work) 7. a. What is the shortest time interval between floods of this size? ... b. Which means that the shortest re-occurrence was: months year (a decimal or fraction) 8. Suppose the average recurrence interval flood you found above occurs in 2010. Based on what you know about recurrence intervals, how likely is it that a 50,000 cfs or greater flood will occur in 2011 (circle one)? Just as likely Less likely More likely

Applications and Investigations in Earth Science (9th Edition)
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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Earth SUPPLEMENTAL EXERCISES - ESCI 103L - Cuyahoga Community College 4. Analyze the Big Black River, Mississippi hydrograph shown below and answer the questions that follow. Units on the Y-axis are CFS (cubic feet per second). Each tick on the X-axis represents (Each spike represents stream discharge within a particular year.) Discharge, in CFS 100000 98888 80000 70000 60000 50000 40000 30000 20000 10000 8.0 1950 1960 1970 1980 1990 5. How many floods of 50,000 cfs or greater (look carefully!) occurred between 1949-1999? = 6. given: frequency (# of flood events)/(# of years of record) and recurrence interval (R.I.) = 1/frequency What is the average recurrence interval (R.I.) for these floods... years (show work) 7. a. What is the shortest time interval between floods of this size? ... b. Which means that the shortest re-occurrence was: months year (a decimal or fraction) 8. Suppose the average recurrence interval flood you found above occurs in 2010. Based on what you know about recurrence intervals, how likely is it that a 50,000 cfs or greater flood will occur in 2011 (circle one)? (pg. 2 of 2) Just as likely Less likely More likely 32 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. Tate no seps
Transcribed Image Text:Earth SUPPLEMENTAL EXERCISES - ESCI 103L - Cuyahoga Community College 4. Analyze the Big Black River, Mississippi hydrograph shown below and answer the questions that follow. Units on the Y-axis are CFS (cubic feet per second). Each tick on the X-axis represents (Each spike represents stream discharge within a particular year.) Discharge, in CFS 100000 98888 80000 70000 60000 50000 40000 30000 20000 10000 8.0 1950 1960 1970 1980 1990 5. How many floods of 50,000 cfs or greater (look carefully!) occurred between 1949-1999? = 6. given: frequency (# of flood events)/(# of years of record) and recurrence interval (R.I.) = 1/frequency What is the average recurrence interval (R.I.) for these floods... years (show work) 7. a. What is the shortest time interval between floods of this size? ... b. Which means that the shortest re-occurrence was: months year (a decimal or fraction) 8. Suppose the average recurrence interval flood you found above occurs in 2010. Based on what you know about recurrence intervals, how likely is it that a 50,000 cfs or greater flood will occur in 2011 (circle one)? (pg. 2 of 2) Just as likely Less likely More likely 32 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. Tate no seps
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