this post was submitted on 03 Feb 2024
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California

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Visualizing California’s Water Storage – Reservoirs and Snowpack (engaging-data.com)
submitted 10 months ago* (last edited 10 months ago) by [email protected] to c/[email protected]
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Updates daily and can be fun to watch while the storms roll through

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[–] [email protected] 7 points 10 months ago (1 children)

Dare I ask what insane unit of measurement a kaf is?

[–] [email protected] 6 points 10 months ago* (last edited 10 months ago) (2 children)

1 kaf is 1000 acre-feet, 1 acre-foot is the volume of the surface area of an acre to a depth of 1 foot.

https://en.m.wikipedia.org/wiki/Acre-foot

In less insane units 1kaf is 1233481837L

[–] [email protected] 4 points 10 months ago* (last edited 10 months ago) (2 children)

That's mad! Why not just use cubic metres or litres?

[–] [email protected] 6 points 10 months ago* (last edited 10 months ago) (1 children)

speculation present

Rainfall is measured in inches. If you want to grow a specific crop, you can look up how many inches water that crop needs over a growing season. Rainfall naturally already includes an area factor in it, but if you're spreading a volume of water over multiple fields, expressing that volume in acres*inches or acres*ft is relatively reasonable.

It's also a reasonably direct way to measure the amount of water stored in a reservoir. If you know the area of the reservoir in acres, then any height changes can just be multiplied by the surface area of that resevoir.

I'm all for metric in science and manufacturing, but this particular odd unit does seem to fit the application well.

[–] [email protected] 1 points 10 months ago

Sounds plausible

[–] [email protected] 1 points 10 months ago (1 children)

Americans will use literally any other units than metric.

[–] [email protected] 0 points 10 months ago

How to make most people immediately discount your scientific data - quote measurements in pedal extremities