Science Education Resource Center - Carleton College
I am Assistant Director at SERC, a position I started in June 2014. My background is in Limnology, particularly biogeochemistry of fluvial systems, interdisciplinary research and, more recently, climate science modeling.
- University of Wisconsin-Madison, Limnology and Marine Science M.S. 2002, Ph.D. 2005
- Carleton College, B.A. Biology 1996
Orr C.H, K.I. Predick, E.H. Stanley and K.L. Rogers. 2014. Spatial variability of denitrification and associated soil properties on a restored and a natural floodplain. Wetlands 34:89-100.
Kelley, C.J., C. Keller, R.D. Evans, C.H. Orr, J.L. Smith, and B.A. Harlow. 2013 Nitrate-nitrogen and oxygen isotope ratios for identification of nitrate sources and dominant nitrogen cycle processes in a tile-drained dryland agricultural field. Soil Biology and Biochemistry 57:731-738.
Singh, A, J. Marr, C. Hill, S. Johnson, C. Ellis, J. Mullin, C.H. Orr, P. Wilcock, M. Hondzo, C. Paola, E. Foufoula-Georgiou. StreanLab: Overview of experiments, instrumentation, and data collected. Water Resources Research 49:1746-1752.
Orr, C.H. J.J. Clark, P.R. Wilcock, M.W. Doyle. 2009. Impact of channel geometry and algae growth on hyporheic exchange and nutrient uptake : Insights from a field-scale flume. JGR Biogeosciences 114, G02019, doi:10.1029/2008JG000825.
Wilcock, P.R, C.H. Orr, J. Marr. 2008. Particles, solutes, and life in flowing water: a large-scale multidisciplinary experiment at St Anthony Falls Laboratory. EOS 89(1): 6.
Orr, C.H., S.J. Kroiss, K.L. Rogers and E.H. Stanley. 2008. Response of benthic sediments and metabolism to dam removal in a small Wisconsin stream. River Research and Applications 24(6): 804.
Riggsbee, J.A, C.H. Orr, J.C. Julian, D.A. Leech, M.W. Doyle, and R.G. Wetzel. 2008. Suspended sediment, carbon and nitrogen fluxes and transformations during the dewatering of a low-head impoundment. Journal of Geophysical Research – Biogeosciences doi:10.1029/2007JG000654
Orr, C.H., E.H. Stanley, K.A. Wilson, and J.C. Finlay. 2007. Changes in denitrification following reintroduction of flooding to a leveed Midwestern floodplain. Ecological Applications 17: 2365–2376.
Stanley, E.H., M.J. Catalono, N. Mercado-Silva and C.H. Orr. 2007. Implications of small dam removal for distribution of non-native trout in Central Wisconsin. River Research and Applications 23:792-798.
Orr, C.H., K.L. Rogers, and E.H. Stanley. 2006. Phosphorus uptake and channel geometry following small dam removal. Journal of the North American Benthological Society 25:556-568.
Orr, C.H. and E.H. Stanley. 2006. Vegetation development and restoration potential of drained reservoirs following dam removal in Wisconsin. River Research and Application 22:281-295.
Doyle, M.W., E.H. Stanley, C.H. Orr, A.R Selle, and J.M. Harbor. 2005. Fluvial geomorphic controls on stream ecosystem processes: Lessons from the heartland of small dam removals. Geomorphology 71: 227-244.
Orr, C.H. and B.M Roth, J.D. Gonzales, K.J. Forshay, M.M. Papenfus, and R.D.G. Wassell. 2004. An Examination of Physical and Regulatory Variables Leading to Small Dam Removal in Wisconsin. Environmental Management 33(1):99-109.
Overdevest, C., C.H. Orr and C. Stepenuk. 2004. Volunteer stream monitoring and local participation in natural resource issues. Human Ecology Review 11(2):177-185.