Winter and spring pH depressions in northern Wisconsin lakes caused by increases in pCO2. Canadian Journal of Fisheries and Aquatic Sciences. 44:1082-88.. 1987.
Understanding the lake-groundwater system: Just follow the water. Long-Term Dynamics of Lakes in the Landscape: Long-Term Ecological Research on North Temperate Lakes. :19-48.. 2006.
Temporal and spatial variability as neglected ecosystem properties: lessons learned from 12 North American ecosystems. Evaluating and Monitoring the Health of Large-Scale Ecosystems. Proceedings of the NATO Advanced Research Workshop "Evaluating and Monitoring the Health of Large-Scale Ecosystems," Montebello, Quebec, October 10-15, 1993. NATO ASI Series, Subseries G.,. :359-383.. 1995.
Structuring features of lake districts : landscape controls on lake chemical responses to drought.. Freshwater Biology. 43:499-515.. 2000.
Regionalization of long-term ecological research (LTER) on north temperate lakes. Verh. Internat. Verein. Limnol.. 26:522-28.. 1997.
Rationale for data collection and interpretation in the Northern Lakes Long-Term Ecological Program. Rationale for Sampling and Interpretation of Ecological Data in the Assessment of Freshwater Ecosystems: A Symposium sponsored by ASTM Committee D-19 on Water, Philadelphia, PA, 31 Oct.-1 Nov. 1983. :22-33.. 1986.
Potential effects of climate changes on aquatic systems: Laurentian Great Lakes and precambrian shield region. Hydrological Processes. 11:825-71.. 1997.
Origin, operation, evolution and challenges. Long-Term Dynamics of Lakes in the Landscape: Long-Term Ecological Research on North Temperate Lakes. :280-322.. 2006.
A network for long-term ecological research in the United States. Freshwater Biology. 23:137-43.. 1990.
Long-term ecological research (LTER) on north temperate lakes of the United States. Verh. Internat. Verein. Limnol.. 22. 1984.
The invisible present: long-term ecological research on lakes. L & S Magazine, College of Letters and Science, Univ. of Wisconsin-Madison. :3-6.. 1983.
Historic data sets: lessons from the past, lessons for the future; symposium. Research data management in the ecological sciences. :155-79.. 1986.
Expanding the temporal and spatial scales of ecological research and comparison of divergent ecosystems: roles for LTER in the United States. Long-term Ecological Research. :45-70.. 1991.
The contribution of evaporation from the Great Lakes to the continental atmosphere: Estimates based on stable isotope data. Geophysical Research Letters. 21:557-560.. 1994.
50 year trends in lake chemistry in northern Wisconsin: the role of groundwater in buffering lake chemical changes. Transactions, American Geophysical Union. 64:700.. 1983.