Data visualisation for the 2019 "1000 Lakes Survey" Comparing the 2019 results currently being analysed by NIVALAB with data from the previous (1995) survey. The main data exploration page is here Specific QC tasks 1. Investigating differences in Ca between 1995 and 2019 The following links show plots of the data split by Ca level Differences in the ion balance between 1995 and 2019 are here Differences in measured and ion-balance-calculated conductivity between 1995 and 2019 are here Conductivity corrected by EH and ESO4 is here