Time- and horizontally-averaged profiles of net helicity, , as a function of height. The error bars show the standard deviation in time, for the relevant horizontal slices. Top row has Runs 4Ωp , 2Ωp , and 1Ωp (left to right), middle 0Ω0, and bottom row 4Ωn, 2Ωn , and 1Ωn (left to right).
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