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Ref. No. [UMCES] CBL 2015-014
ACT VS15-07
54
Figure 29.
Time series of pH measured by the Xylem EXO-pH-2 instrument deployed during the 1
month GLERL field trial.
Top Panel
: Continuous pH
Total
recordings from instrument (blue line) and
pH
Total
of adjacent grab samples determined by phenol red dye (red circles).
Bottom Panel
: Difference in
measured pH relative to reference samples (Instrument – Dye Ref) observed during deployment.