the calendar of small things

LITIn temperate seas, the spring diatom bloom begins when the mixed layer shallows (Sverdrup's 1953 critical-depth idea) and light outpaces mixing. Diatoms then drain silicate and the bloom crashes. Moss-dwelling tardigrades follow moisture: active when the moss is wet, tun when it dries, many times a year.

MODELA toy year: light and mixed-layer depth drive diatom growth (bloom when the mixed layer is shallower than the critical depth), silicate limits it, and a stochastic rain series drives tardigrade activity. The two are the old "enemies" of the Glass and the Tun, here keeping different clocks.

new year

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