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The articles in this issue highlight interdisciplinary approaches to the science of alkaline lakes, but one important concept links all of them together: alkalinity. Here, we discuss what alkalinity is, why it is important, and how it is typically measured. We review two different but complementary definitions of alkalinity that offer an intuitive starting point for understanding how this critical parameter responds to biogeochemical processes.
Tosca et al. (2023) studied this question.