Figure 2 | Scientific Reports

Figure 2

From: Turbulence mediates marine aggregate formation and destruction in the upper ocean

Figure 2

(a) Standard deviation versus mean size of aggregate for 5 orders of turbulent kinetic energy dissipation rate \(({\boldsymbol{o}}(\bar{{\boldsymbol{\varepsilon }}}),\,W\,{\text{kg}}^{-1})\) and (b) CVMajAL for each order of \(o(\bar{{\boldsymbol{\varepsilon }}})\). (a) Aggregates were sorted into 5 turbulence ranges based on corresponding ε; individual aggregates within each range were used to calculate mean and standard deviation of MajAL. Blue dashed line indicates where CVMajAL, given by \(\frac{\text{Standard}\,\text{deviation}}{{\rm{Mean}}}\), is 1. CVMajAL and \(o(\overline{\,\varepsilon })\) for each point are annotated. The total number of aggregates, average size and standard deviation and CVMajAL for each turbulence range were: (\(o(\overline{\,\varepsilon })\) = 10−10) 182493, 0.051, ± 0.036 cm, 0.71; (\(o(\overline{\,\varepsilon })\) = 10−9) 164335, 0.063 ± 0.054 cm, 0.86; (\(o(\overline{\,\varepsilon })\) = 10−8) 471271, 0.076 ± 0.072 cm, 0.95; (\(o(\overline{\,\varepsilon })\) = 10−7) 284695, 0.086 ± 0.084 cm, 0.98 and (\(o(\overline{\,\varepsilon })\) = 10−6) 166566, 0.098 ± 0.096 cm, 0.98, respectively. (b) CVMajAL increased as \(o(\overline{\,\varepsilon })\) increased.

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