

Ref. No. [UMCES] CBL 2015-008
ACT VS15-01
34
A cross-plot of the matched observations is given in figure 13. A linear regression of the
data was statistically significant (p<0.001), however the correlation was quite low r
2
= 0.18. The
slope of the regression was 0.67 with an intercept of 2.82.
Figure 13.
HIMB field response plot of Campbell Scientific Instruments (CSI) pH sensor deployed with
antifouling copper screen compared to reference pH
Total
samples. Fine dotted line represents 1:1
correspondence, coarse dotted line represents correspondence predicted based on difference between
pH
NBS
and pH
Total
in seawater (pH
NBS
= pH
Total
+ 0.13).