Critical scale
Numerous independent derivations
Corrsin, 1961
Denman and Platt, 1976
Denman et al., 1977
Powell and Okubo, 1994
Different formulation for critical scale
Fasham, 1978
kc=Ö(m/k)
KiSS scale
kc~0.2-20km
Physically controlled at smaller scales
Biologically controlled at larger scales