Question 4: What was the approximate water year 2015 cumulative precipitation va

Question

Question 4: What was the approximate water year 2015 cumulative precipitation value at Fallen Leaf station at the end of the water year (Sept. 30th, 2015)?

A. 0 inches

B. 5 inches

C. 19 inches

D. 32 inches

E. 100 inches

• Next visit the “Heavenly Valley” station SNOTEL Water Year Graph. Revisit the National Resources Defense Council webpage here: https://www.wcc.nrcs.usda.gov/snow/snotel-wereports.html. Click “SNOTEL Water Year Graphs” and select “California”. Then select “Heavenly Valley” SNOTEL station. •

Question 5: On February 1st, 2017, the SWE value was approximately 31 inches, which was well above the 1881-2010 median value. How does this year’s SWE value at Heavenly Valley compare to the 1981-2010 median value for that date (February 1st, 2018)?

A. 2018 SWE is greater than historical median value

B. about the same values

C. 2018 SWE is lower than historical median value

Question 6: On April 1st, 2015, how did the Heavenly Valley SWE value compare to the 1981- 2010 median value?

A. 2015 SWE was greater than historical median value

B. about the same values

C. 2015 SWE was lower than historical median value

• Question 7: Before last year, WY 2017, when was the last water year the Heavenly Valley SNOTEL station recorded a greater SWE value than the 1981-2010 median value on April 1st?

A. WY 2010

B. WY 2011

C. WY 2012

D. WY 2013

E. WY 2014

F. WY 2015

G. WY 2016

• Question 8: For the Heavenly Valley SNOTEL station, match the April 1st SWE values to the correct water year. NOTE: Water Years 2012 & 2013 are NOT included in this list.

• Water years: 2010, 2011, 2014, 2015, 2016, 2017

• SWE values (in inches): 0, 15, 22, 30, 44, 53

• Next, visit the SNOTEL stations summary page for February 1st, 2018 (link posted on iLearn) • Scoll down to view the SNOTEL stations in the Lake Tahoe watershed (which includes Fallen Leaf and Heavenly Valley). ERTH 330: California Water Spring 2018

• Question 9: TRUE/FALSE: As of February 1st, 2018, all 8 SNOTEL stations in the Lake Tahoe watershed were showing greater than or equal to 100% of the average annual precipitation.

A. True

B. False

• Question 10: Stay on the SNOTEL summary page from Question 9 (link on iLearn). Within one watershed (e.g. Lake Tahoe), the precipitation values differ fairly significantly. As of February 1st, 2018, Ward Creek #3 has received 31.7 inches of precipitation in the current water year, while Marlette Lake has only received 11.7 inches. These differences are an example of what major course theme?

A. Variability in time (temporal variability)

B. Variability in space (spatial variability)

C. Water-Food-Energy Nexus

D. Surface water & Groundwater are one resource

Explanation / Answer

4. 19 inches

5. No Records Found from website

6. Its showing no records found and just showing the current Year as 10.2 inches Feb 2018

7.

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