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Wisconsin’s waters and climate: historical changes and possible futures. Transactions of the Wisconsin Academy of Sciences, Arts and Letters. 90:23-36.. 2003.
Summer water clarity responses to phosphorus, Daphnia grazing, and internal mixing in Lake Mendota. Limnology and Oceanography. 44:137-46.. 1999.
Relations between El Nino/southern oscillation events and the climate and ice cover of lakes in Wisconsin. El Nino and Long-Term Ecological Research (LTER) Sites. Publication No. 18. :48-57.. 1994.
Northern Lakes, Wisconsin. The climates of the long-term ecological research sites. :61-66.. 1987.
Lakes as indicators of and responders to climate change. Climate variability and ecosystem response. Proceedings... August 21-23. :38-46.. 1988.
Lake number, a quantitative indicator of mixing used to estimate changes in dissolved oxygen. Internationale Revue der Gesamten Hydrobiologie. 79:159-176.. 1994.
Interacting factors causing exceptional summer water clarity in Lakes Mendota and Monona. Verh. Internat. Verein. Limnol.. 27:1776-79.. 2000.
Historical trends in lake and river ice cover in the northern hemisphere. Science. 289:1743-6.. 2000.
Evidence of recent warming and El Nino-related variation in ice breakup of Wisconsin lakes. Limnology and Oceanography. 41:815-21.. 1996.