

Ref. No. [UMCES] CBL 2015-011
ACT VS15-04
23
Figure 6.
Time series results of the Troll 9500 pH sensor for the stable portion of the
freshwater trials. Measurements taken during temperature and pH shifts have been removed.
Panel (a) temperature and salinity conditions during the seawater trials; panel (b) measured pH
from the Troll pH plotted against both Metrohm and Dye reference pH measurements; and,
panel (c) the difference between Troll and reference pH values.
C.
B.
A.