How much a glacier loses in a hot summer
A hot summer, a shrinking ice tongue and the extra water that runs down the valley, for a while. Builds on “What a small glacier holds”.
October 10, 2026 · 10 min
How much water one watering gives a potato field
One watering, one hectare of potatoes and the number of litres it takes. Builds on “How much water a canal carries in a day”.
Valley Water Notes
A short letter every Sunday: one piece of water news explained, with the numbers made small.
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A bath, a shower and a shortage
Why the water in a bath is a small number once you set it beside a field, and what a shortage really counts.