This document analyses the calibration logs for 3 manta sondes, calibration dates 2019-2022.

TRYP

100ppb TRYP

Sonde 4105 seems quite stable. Sonde 3594 less stable.

## [1] "Mean TRYP RV for 100ppb, sonde 3594, pre-2021: 0.017"
## [1] "Mean TRYP RV for 100ppb, sonde 3594, post-2021, exclude values > 0.03 RV: 0.012"
## [1] "Mean TRYP RV for 100ppb, sonde 4105, exclude 1st value: 0.016"

Individual values for TRYP = 100ppb shows that the most “reasonable” value isn’t always that last one in the series. Sorted by sonde, then by date:

##     sonde       Date          rv new done
## 9    5259 2022-10-20 0.103417800 100     
## 18   3594 2019-05-02 0.021444080 100 Done
## 26   3594 2019-06-22 0.011506230 100 Done
## 44   3594 2019-08-11 0.014032780 100 Done
## 59   3594 2019-10-08 0.004999280 100 Done
## 62   3594 2019-11-06 0.015323280 100 Done
## 63   3594 2019-11-06 0.021649360 100 Done
## 64   3594 2019-11-06 0.023138880 100     
## 79   3594 2020-01-08 0.030869990 100     
## 81   3594 2020-01-08 0.027027280 100 Done
## 96   3594 2020-02-21 0.013041440 100     
## 103  3594 2020-03-08 0.016175060 100 Done
## 105  3594 2020-09-28 0.012565790 100 Done
## 116  3594 2020-11-05 0.012235350 100     
## 127  3594 2020-12-03 0.017384200 100     
## 152  3594 2021-10-15 0.018283550 100 Quit
## 153  3594 2021-10-15 0.021642480 100 Quit
## 154  3594 2021-10-15 0.048743610 100     
## 161  3594 2022-01-21 0.005194545 100 Done
## 179  3594 2022-07-18 0.008651734 100 Done
## 183  3594 2022-08-30 0.009209991 100     
## 185  3594 2022-08-30 0.010401610 100     
## 196  3594 2022-10-20 0.054390020 100     
## 197  3594 2022-10-20 0.032181150 100     
## 205  3594 2022-11-16 0.007993341 100     
## 91   4105 2021-01-11 0.036915690 100 Done
## 20   4105 2021-04-23 0.016009840 100     
## 261  4105 2021-07-30 0.012838040 100 Done
## 27   4105 2021-07-30 0.013027670 100 Quit
## 49   4105 2021-10-15 0.014839500 100     
## 51   4105 2021-12-21 0.016559330 100 Done
## 61   4105 2022-01-21 0.011152630 100 Done
## 78   4105 2022-08-30 0.019941420 100     
## 86   4105 2022-09-09 0.015921590 100 Done
## 99   4105 2022-10-25 0.018318600 100     
## 106  4105 2022-11-16 0.017543170 100

Sorted by date, then by sonde:

##     sonde       Date          rv new done
## 18   3594 2019-05-02 0.021444080 100 Done
## 26   3594 2019-06-22 0.011506230 100 Done
## 44   3594 2019-08-11 0.014032780 100 Done
## 59   3594 2019-10-08 0.004999280 100 Done
## 62   3594 2019-11-06 0.015323280 100 Done
## 63   3594 2019-11-06 0.021649360 100 Done
## 64   3594 2019-11-06 0.023138880 100     
## 79   3594 2020-01-08 0.030869990 100     
## 81   3594 2020-01-08 0.027027280 100 Done
## 96   3594 2020-02-21 0.013041440 100     
## 103  3594 2020-03-08 0.016175060 100 Done
## 105  3594 2020-09-28 0.012565790 100 Done
## 116  3594 2020-11-05 0.012235350 100     
## 127  3594 2020-12-03 0.017384200 100     
## 91   4105 2021-01-11 0.036915690 100 Done
## 20   4105 2021-04-23 0.016009840 100     
## 261  4105 2021-07-30 0.012838040 100 Done
## 27   4105 2021-07-30 0.013027670 100 Quit
## 152  3594 2021-10-15 0.018283550 100 Quit
## 153  3594 2021-10-15 0.021642480 100 Quit
## 154  3594 2021-10-15 0.048743610 100     
## 49   4105 2021-10-15 0.014839500 100     
## 51   4105 2021-12-21 0.016559330 100 Done
## 161  3594 2022-01-21 0.005194545 100 Done
## 61   4105 2022-01-21 0.011152630 100 Done
## 179  3594 2022-07-18 0.008651734 100 Done
## 183  3594 2022-08-30 0.009209991 100     
## 185  3594 2022-08-30 0.010401610 100     
## 78   4105 2022-08-30 0.019941420 100     
## 86   4105 2022-09-09 0.015921590 100 Done
## 9    5259 2022-10-20 0.103417800 100     
## 196  3594 2022-10-20 0.054390020 100     
## 197  3594 2022-10-20 0.032181150 100     
## 99   4105 2022-10-25 0.018318600 100     
## 205  3594 2022-11-16 0.007993341 100     
## 106  4105 2022-11-16 0.017543170 100

0 ppb TRYP

TRYP RV time series for blank (0 ppb) 

##     sonde       Date          rv new done
## 10   5259 2022-10-20 0.003129244   0 Done
## 65   3594 2019-11-06 0.005418599   0 Done
## 80   3594 2020-01-08 0.011004930   0 Done
## 97   3594 2020-02-21 0.002327532   0 Done
## 117  3594 2020-11-05 0.002400130   0 Done
## 128  3594 2020-12-03 0.002679259   0 Done
## 150  3594 2021-10-15 0.027021650   0     
## 151  3594 2021-10-15 0.006847412   0 Quit
## 155  3594 2021-10-15 0.003832698   0 Done
## 184  3594 2022-08-30 0.003014088   0 Done
## 186  3594 2022-08-30 0.002845109   0 Done
## 198  3594 2022-10-20 0.002957762   0 Done
## 206  3594 2022-11-16 0.002853871   0 Done
## 21   4105 2021-04-23 0.004768968   0 Done
## 50   4105 2021-10-15 0.005687714   0 Done
## 791  4105 2022-08-30 0.005521238   0 Done
## 100  4105 2022-10-25 0.005334110   0 Done
## 107  4105 2022-11-16 0.005350382   0 Done

CDOM

300ppb

0 ppb

### Turbidity Turbidity has used standards with different NTU/FNU over the project, so need to 1) plot RV vs standard value and 2) normalize RV by the NTU to compare across different standards

## 
## Call:
## lm(formula = rv ~ new, data = xcomb.TURB)
## 
## Residuals:
##      Min       1Q   Median       3Q      Max 
## -0.32112 -0.02563  0.00266  0.02845  0.63271 
## 
## Coefficients:
##              Estimate Std. Error t value Pr(>|t|)    
## (Intercept) 1.715e-02  1.636e-02   1.048    0.298    
## new         1.459e-03  5.078e-05  28.742   <2e-16 ***
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 0.1158 on 68 degrees of freedom
## Multiple R-squared:  0.9239, Adjusted R-squared:  0.9228 
## F-statistic: 826.1 on 1 and 68 DF,  p-value: < 2.2e-16