10th Jul, 2012

Deluge leads to low S and high N

It seems that barely a day goes by this “summer” without somewhere in the UK having a “month’s rainfall in 24 hours”. Last Friday / Saturday (6/7 July) was such an event for Plymouth with around 50 mm being recorded on the roof of PML in less than 24 hours.  This has led to some very high nitrate values (2.65 at surface, and still in the detectable range at depth) and low salinities (<34 PSU recorded by the buoy).  All this makes for a very interesting situation at L4, as the spring bloom keeps hanging on in there.

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