Browsing by Subject "Isotopes"

Now showing items 1-2 of 2

Stromatolite records of environmental change in perennially ice-covered Lake Joyce, McMurdo Dry Valleys, Antarctica

Mackey, T.J.; Sumner, D.Y.; Hawes, Ian; Leidman, S.Z.; Andersen, D.T.; Jungblut, Anne D. (Springer, 2018)

Calcite-rich columnar stromatolites grew in perennially ice-covered Lake Joyce in the McMurdo Dry Valleys, Antarctica, during a period of environmental change associated with rising lake level. Stromatolite calcite contains ...
Variation in nitrate sources and delivery in space and time within the 389 ha Lake Okaro catchment

Eyberg, Claire Elizabeth (The University of Waikato, 2020)

The eutrophication of surface water is a global issue, with excessive nitrate concentrations reducing water quality and affecting water supplies, ecosystem health and its recreational use. In New Zealand, the degradation ...