Baltic Sea Monitoring data

KOTKA Statistics

Download data from this station: KOTKA.zip (1900-2020)
ParameterNo. of
measurements
No. of
years with data
Timeseries plotSeasonal Surface Mean
Hydrogen Sulphide41 - -
Alkalinity175 - -
Chlorophyll a588 - -
Ammonium56039 Jan + Feb MeanSeasonal Mean and
Nitrite56839 Jan + Feb MeanSeasonal Mean and
Total Nitrogen56941 Jan + Feb MeanSeasonal Mean and
Total Phosphorus57742 Jan + Feb MeanSeasonal Mean and
Nitrate58342 Jan + Feb MeanSeasonal Mean and
pH58737 Jan + Feb MeanSeasonal Mean and
Silicate59943 Jan + Feb MeanSeasonal Mean and
Phosphate60643 Jan + Feb MeanSeasonal Mean and
Dissolved Oxygen99848 Jan + Feb MeanSeasonal Mean and
Temperature102946 Jan + Feb MeanSeasonal Mean and
Salinity104347 Jan + Feb MeanSeasonal Mean and
Total count7798 --
The table shows the different parameters measured on this HELCOM station in the first column. The second and third column lists the total number of measured values and the number of years for which the parameter has been measured. If there is data (winter values) in two or more years, the fourth column contains a link to a smoothed timeseries plot of the winter values. If there is data in the last 10 years, the fifth column contains a link to a seasonal mean plot of data since 1979. You can choose which year (last 10 years) you want to plot together with the mean. Only years with data appears in the comboboxes.

The plot(s) below shows the data density i.e. the number of measurements per year of each parameters vs. time.

Station map