Browsing NTNU Open by Author "Andersen, Tom"

Now showing items 1-2 of 2

From greening to browning: Catchment vegetation development and reduced S-deposition promote organic carbon load on decadal time scales in Nordic lakes

Finstad, Anders Gravbrøt; Andersen, Tom; Larsen, Søren; Tominaga, Koji; Blumentrath, Stefan; de Wit, Heleen; Tømmervik, Hans; Hessen, Dag Olav (Journal article; Peer reviewed, 2016)

Increased concentrations of dissolved organic carbon (DOC), often labelled “browning”, is a current trend in northern, particularly boreal, freshwaters. The browning has been attributed to the recent reduction in sulphate ...
When soft waters becomes softer; drivers of critically low levels of Ca in Norwegian lakes

Hessen, Dag Olav; Andersen, Tom; Tominaga, Koji; Finstad, Anders Gravbrøt (Journal article; Peer reviewed, 2017)

In this study, we analyzed long-term trends in calcium (Ca) concentrations for 70 Norwegian lakes spanning a broad geographical range and for a wide range of ambient drivers. A striking decline in Ca concentrations was ...