Water Resources Engineering and Science

Microbiology graduate student Alexandra Linz, at left, and volunteer Carolyn Voter, a graduate student studying water resources engineering and science, collect data and water samples from Lake Mendota near the University of Wisconsin-Madison campus during a pre-dawn through sunrise summer outing on July 14, 2016. The work is part of a continuous, 44-hour limnology experiment to study how day- and night-light cycles effect growth of water bacteria and carbon exchange between photosynthetic microbes and non-photosynthetic microbes. (Photo by Jeff Miller/UW-Madison)