Calculation of reservoir design life, reservoir life, Victor Miguel Ponce, San Diego State University

online_reservoir_life: Calculation of reservoir design life

Formulas for sediment yield

For Q < 2:
S = 1280 Q^0.46[1.43 - 0.26 log(A)]
For Q ≥ 2:
S = 1965 e^-0.055Q[1.43 - 0.26 log(A)]

[ Q (in), A (mi²), Y (tons/mi²/yr) ]
Reference

Ponce, V. M., 1989. Engineering Hydrology, Principles and Practices,
Prentice Hall, pages 567-569.

INPUT DATA:

Select:
Choose SI or U.S. Customary units:
Reservoir capacity V (hm³) [ac-ft]:
Catchment area A (km²) [mi²]:
Mean annual runoff Q (mm) [in.]:
Sediment yield S (M. tons/km²) [tons/mi²]:
[ Leave blank if you want the program to calculate S ].
Specific weight of sediments W (N/m³) [lbs/ft³]:
Sediment size:
Number of discrete intervals n:
[ Leave blank if you want the program to set default n = 10 ]

OUTPUT:

i Reservoir
capacity
(hm³) Accumulated
sediment
deposits
(hm³) C/I
ratio Average
C/I
ratio Trap
efficiency
(%) Time
to fill
(yr) Cumulative
time
(yr)
0 0 0 0 0 0 0 0



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online calc
normal depth critical depth discharge in culvert critical slope sequent depth HJ energy loss HJ
discharge sluice discharge weir discharge channel initial sequent HJ critical constriction efficiency HJ
M1 wsprofile M2 wsprofile M3 wsprofile S1 wsprofile S2 wsprofile S3 wsprofile
C1 wsprofile H2 wsprofile A2 wsprofile C3 wsprofile H3 wsprofile A3 wsprofile
tractive force ogee spillway Hazen-Williams
creager rational slope-area linear reservoir storage indication 1 storage indication 2
Muskingum Muskingum-Cunge time-area Clark UH cascade of linear reservoirs
Blaney-Criddle Penman Penman-Monteith Thornthwaite Priestley-Taylor
Gumbel Gumbel 2 Log Pearson Log Pearson 2 TR-55 graphical convolution
S-hydrograph curve number time of concentration
hyperbolic regression one-predictor linear one-predictor nonlinear two-predictor linear two-predictor nonlinear
USLE Dendy-Bolton Shields Duboys Colby reservoir design life

online calc
normal depth	critical depth	discharge in culvert	critical slope	sequent depth HJ	energy loss HJ
discharge sluice	discharge weir	discharge channel	initial sequent HJ	critical constriction	efficiency HJ
M1 wsprofile	M2 wsprofile	M3 wsprofile	S1 wsprofile	S2 wsprofile	S3 wsprofile
C1 wsprofile	H2 wsprofile	A2 wsprofile	C3 wsprofile	H3 wsprofile	A3 wsprofile
tractive force				ogee spillway	Hazen-Williams
creager	rational	slope-area	linear reservoir	storage indication 1	storage indication 2
Muskingum	Muskingum-Cunge	time-area	Clark UH	cascade of linear reservoirs
Blaney-Criddle	Penman	Penman-Monteith	Thornthwaite	Priestley-Taylor
Gumbel	Gumbel 2	Log Pearson	Log Pearson 2	TR-55 graphical	convolution
S-hydrograph	curve number	time of concentration
hyperbolic regression		one-predictor linear	one-predictor nonlinear	two-predictor linear	two-predictor nonlinear
USLE	Dendy-Bolton	Shields	Duboys	Colby	reservoir design life