How much water a canal carries in a day
How a stone canal feeds a valley, how fast the water moves and how much goes by in a day. Builds on “How a village tank is shared out”.
November 2, 2026 · 10 min
Reading a reservoir that is half full
What the line on the wall of a reservoir tells you, and why half full can mean very different things in a dry year.
Valley Water Notes
A short letter every Sunday: one piece of water news explained, with the numbers made small.
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What a water shortage means in a headline
When a headline says shortage, what is actually short: the water, the pipes, the canal or the rain. Builds on “How to read a drought map”.