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
Newbold, J.D., J.W. Elwood, M.S. Schultz, R.W. Stark, and J.C. Barmeier. 1983. Freshwater Biology 13(2):193–204.
Nutrient spiralling in streams: implications for nutrient limitation and invertebrate activity
Newbold, J.D., R.V. O’Neill, J.W. Elwood, and W. Van Winkle. 1982. American Naturalist 120(5):628–652.
Organic carbon spiralling in stream ecosystems
Newbold, J.D., P.J. Mulholland, J.W. Elwood, and R.V. O’Neill. 1982. Oikos 38(3):266–272.
Measuring nutrient spiralling in streams
Newbold, J.D., J.W. Elwood, and R.V. O’Neill. 1981. Canadian Journal of Fisheries and Aquatic Sciences 38(7):860–863.
Elwood, J.W., J.D. Newbold, A.F. Trimble, and R.W. Stark. 1981. Ecology 62(1):146–158.
