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J. Denis Newbold, Ph.D.

624 624 Stroud Water Research Center
Denis Newbold, Ph.D.

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

Macroinvertebrate distribution in relation to land use and water chemistry in New York City drinking-water-supply watersheds

Kratzer, E.B., J.K. Jackson, D.B. Arscott, A.K. Aufdenkampe, C.L. Dow, L.A. Kaplan, J.D. Newbold, and B.W. Sweeney. 2006. Journal of the North American Benthological Society 25:954–976.

Organic matter transport in New York City drinking-water-supply watersheds

Kaplan, L.A., J.D. Newbold, D.J. Van Horn, C.L. Dow, A.K. Aufdenkampe, and J.K. Jackson. 2006. Journal of the North American Benthological Society 25:912–927.

Uptake of nutrients and organic C in streams in New York City drinking-water-supply watersheds

Newbold, J.D., T.L. Bott, L.A. Kaplan, C.L. Dow, J.K. Jackson, A.K. Aufdenkampe, L.A. Martin, D.J. Van Horn, and A.A. Long. 2006. Journal of the North American Benthological Society 25(4):998–1017.

Ecosystem metabolism in streams of the Catskill Mountains (Delaware and Hudson River watersheds) and Lower Hudson Valley

Bott, T.L., D.S. Montgomery, J.D. Newbold, D.B. Arscott, C.L. Dow, A.K. Aufdenkampe, J.K. Jackson, and L.A. Kaplan. 2006. Journal of the North American Benthological Society 25(4):1018–1044.

Relating major ions and nutrients to watershed conditions across a mixed-use, water-supply watershed

Dow, C.L., D.B. Arscott, and J.D. Newbold. 2006. Journal of the North American Benthological Society 25(4):887–911.

See all publications by Stroud Center authors

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