Research Scientist Emeritus
Ecosystem Processes Group
Contact
newbold@stroudcenter.org
tel. 610-268-2153, ext. 1227
970 Spencer Road, Avondale, PA 19311
Education
- Ph.D., Aquatic Ecology, University of California, Berkeley, California.
- M.S., Hydrology, Cornell University, Ithaca, New York.
- B.S., Engineering, Swarthmore College, Swarthmore, Pennsylvania.
Interests and Expertise
The flow of nutrients (primarily nitrogen, phosphorus, and carbon) to streams and rivers and how those nutrients are processed, transformed, and transported by the stream and river ecosystem.
Professional Experience
- Research Scientist Emeritus, Stroud Water Research Center, 2011–present.
- Research Scientist, Stroud Water Research Center, 1993–2011.
- Assistant Curator, Stroud Water Research Center of the Academy of Natural Sciences of Philadelphia, 1985–1992.
- Ruth Patrick Scholar, Stroud Water Research Center, Division of Environmental Research, Academy of Natural Sciences of Philadelphia. 1983–1985.
- Research Staff Member, Environmental Sciences Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee, 1982–1983.
- Research Associate, Environmental Sciences Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee, 1977–1982.
- Eugene P. Wigner Postdoctoral Fellow, Oak Ridge National Laboratory, Oak Ridge, Tennessee, 1977–1979.
Publications
Cycles and spirals of nutrients
Newbold, J.D. 1992. Pages 379–408 in P. Calow and G.E. Petts (editors). The rivers handbook, volume 1: hydrological and ecological principles. Blackwell Scientific, Oxford, England.
Climate change and the life histories and biogeography of aquatic insects in eastern North America
Sweeney, B.W., J.K. Jackson, J.D. Newbold, and D.H. Funk. 1992. Pages 143–176 in Firth and S. G. Fisher (editors). Global climate change and freshwater ecosystems. Springer-Verlag, New York, New York.
Use of 14C label to study fine particulate organic matter dynamics in flowing water
Newbold, J.D., C.E. Cushing, and G.W. Minshall. 1991. Pages 493–501 in R.A. Baker (editor). Organic substances and sediments in water, volume 2. Processes and analytical. Lewis Publishers, Chelsea, Michigan.
Concepts and methods for assessing solute dynamics in stream ecosystems
Stream Solute Workshop. 1990. Journal of the North American Benthological Society 9(2):95–119.
Phosphorus spiralling in rivers and river-reservoir systems: implications of a model
Newbold, J.D. 1987. Pages 303–327 in J.F. Craig and J.B. Kemper (editors). Regulated streams. Springer, Boston, Massachusetts.