Skip to content


1st October 2012

Investigation of the relationship between humic substances and total phosphorus and the processes of release from catchment soils to loch waters


This study outlines proposals to clarify the importance of water colour (in terms of dissolved organic matter - DOM - compositional quality, e.g. humic substances (HS) content) for predicting TP concentrations in Scottish Lochs to help meet regulatory criteria under the Water Framework Directive.