top
How fast volume flows/shifts/accumulates/drains/etc.
m3/s | | |
... | | |
10-9 | microliter/s | |
10-8 | | |
10-7 | 3 m3/yr | |
10-6 | milliliter/s | gallon/hr | |
10-5 | ft3/hr | blood through adult brain | |
10-4 | gallon/min | faucet | through adult heart | |
10-3 | liter/s | 2 ft3/min | |
10-2 | 2 gal/s | 100 gal/min | |
10-1 | 3 ft3/s | 1/2 m storm drain | |
100 | m3/s | |
101 | 4m2 open channel w 0.2% slope | |
102 | 3 109 m3/yr | |
103 | water use - US non-agricultural | Colorodo river | |
104 | water use - US agricultural / World non-agricultural | World&US powerplant cooling | |
105 | 3 1012 m3/yr | US runoff / evaporation / precipitation | water use - World agricultural | |
106 | world land runoff / precipitation / evapotranspiration | |
107 | world sea precipitation / evaporation | |
108 | | |
109 | | |
... | | |
Conversions
unit | m3/s | | |
ft3/s | 10-2 × 2.832 | | |
gallon/s | 10-2 × 0.3785 | | |
liter/s | 10-3 × 1.000 | | |
ft3/min | 10-3 × 0.472 | | |
gallons/min (gpm) | 10-4 × 0.6308 | | |
ft3/hr | 10-5 × 0.7866 | | |
gallons/hr (gph) | 10-6 × 1.051 | | |
milliliter/s | 10-6 × 1.000 | | |
m3/yr | 10-8 × 3.169 | | |
microliter/s | 10-9 × 1.000 | | |
| 10 × | | |
| 10 × | | |
Notes
Currently in pre-first-draft state...
faucet rain/meter^2 drop/s evap/m^2
heart breath(500cft/day?)
world petrol consump (1Ggal?)
a thunderstorm
open channel flow example [Lindeburg p19-4] 0.002 slope,
finished concrete n=0.012, 2.5m wide, 1.6m deep => 377ft3/s,
10.7m3/s 0.002 is 2m/km
20 in concrete storm drain on 0.001 slope and 2/3 full
does 2.5ft3/s, 7.0 × 10-2m
From [Cow p239]: in 10^12 m^3/yr
US(excl.Ak&Ha) runoff 1.65, evapotranspiration 3.95, precipitation 5.6,
world runoff 46, evapotranspiration from land 62, sea evaporation 456,
precip sea 410, precip land 108
in 10^9 m^3/yr, water used by humans
withdraw consume (world US)
municipal&domestic 220 42 74 10
mining & manufact. 390 52 40 6
electric pwr plant cool 620 180 8 2.6
irrigation&livestock 2100 205 1100 125
oom buckets:
1-9 USindC WUSpwrC
10-90 WmuniC USmuniWC USindW WindC USmuni+indC
100-900 WmuniW WindW WUSpwrW USagriWC Wmuni+indC
1000-9000 WagriWC
Have not dealt cleanly w W/C distinction in pot scale above? Esp re pwr
my kitchen faucet 10s/liter
wells 1-2000 gal/min
Water-saving showerheads use 2 to 3 gpm while conventional showerheads use 4 to 5 gpm.
Hoover is 29Macre-ft, holds ~2 yrs of Colorodo.
So river at Hoover is 0.44 acreft/s, or 1/2 × 103 m3/s.
Blood flow through whole brain (adult) = 750 ml/min src. I.e. 1.25e-5 m^3/s.