How do I compile accurate water quality models when there is incomplete or highly erratic data?

In order to compile accurate water quality models, you need data that draws on comprehensive information about water quality.

There might be values missing from your data, or it contains figures that deviate widely from the mean. In order to compile accurate water quality models, you need data that draws on comprehensive information about water quality.

Use Time Trends, an operating system developed by NIWA that analyses water quality data and measures it against time series patterns and up-to-date data from across New Zealand. The indicators of State of the Environment reporting were built into Time Trends.