Discharge (Q) A V (m³/sec) A: cross-sectional area (m²) V: velocity (m/sec) (1 m³ = 1000 L) This allows the calculation of Q in and Q out and then Mass in and Mass out of element of interest for Mass Balance Budget if Mass in Mass out if Mass in > Mass out if Mass in

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
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Calculate all values of table 1:

Q in (L/day)

Q out (L/day)

Residence time (days)

 

Volume of the lake is 56,000,000 litres

 

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Discharge (Q) A V (m³/sec)
A: cross-sectional area (m²)
V: velocity (m/sec)
(1 m³ = 1000 L)
This allows the calculation of Q in and Q out
and then Mass in and Mass out of element of interest for Mass Balance Budget
if Mass in Mass out
if Mass in > Mass out
if Mass in <Mass out
Steady state
Sink
Source
Volume of the lake: 56 X 106 liters
residence time: T = vol/Qin (days)
Transcribed Image Text:Discharge (Q) A V (m³/sec) A: cross-sectional area (m²) V: velocity (m/sec) (1 m³ = 1000 L) This allows the calculation of Q in and Q out and then Mass in and Mass out of element of interest for Mass Balance Budget if Mass in Mass out if Mass in > Mass out if Mass in <Mass out Steady state Sink Source Volume of the lake: 56 X 106 liters residence time: T = vol/Qin (days)
Table 1: Physical characteristics and water budget* of lake Ogilvie
Q in (L/day)
Q out (L/day)
*average width of inlet stream
= 80 cm
*average depth of inlet stream = 7.2 cm
*average velocity at inlet 1 m/4.37 sec.
*average time to fill up 10L bucket at outlet: 1.72 sec.
↑ (days)
Transcribed Image Text:Table 1: Physical characteristics and water budget* of lake Ogilvie Q in (L/day) Q out (L/day) *average width of inlet stream = 80 cm *average depth of inlet stream = 7.2 cm *average velocity at inlet 1 m/4.37 sec. *average time to fill up 10L bucket at outlet: 1.72 sec. ↑ (days)
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