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    Basically, as part of a final-year river management module, I need to work out the hysteresis formed by two separate datasets;

    1. The discharge measured within a river over a 10-hour period;
    2. The suspended sediment concentration within the same river, measured over the same 10 hours.

    I have 2 graphs from the data.

    The discharge data forms a positively skewed trend, not dissimilar to this:

    The suspended sediment concentration data forms a trend with a lesser positive skew, not dissimilar to this:

    I need to work out the hysteresis. I am not sure how I should go about working this out - do I need to create a hysteresis loop? If so, how should I go about doing this?

    Any sensible advice is much appreciated.

    Thanks in advance.
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