Zobrazeno 1 - 10
of 28
pro vyhledávání: '"Richard W. Sheibley"'
Publikováno v:
Freshwater Science. 39:680-692
Biological assemblages are commonly used for assessing stream health, but there is increased interest among the freshwater research community in incorporating measures of stream function, s...
Publikováno v:
Scientific Investigations Report.
Autor:
Chelsea L. Crenshaw, Richard W. Sheibley, Clifford N. Dahm, Lydia H. Zeglin, Cristina D. Takacs-Vesbach
Publikováno v:
Freshwater Science. 38:77-91
Microbiota in streams drive many ecosystem functions, including whole-stream metabolism, nitrogen (N) cycling, and the production of basal resources that fuel stream food webs. Interactions...
Autor:
James R. Foreman, Richard W. Sheibley
Publikováno v:
Scientific Investigations Report.
Autor:
Richard W. Sheibley, Craig A. Senter
Publikováno v:
Open-File Report.
Publikováno v:
Journal of Environmental Quality. 43:1980-1990
We used mass load budgets, transient storage modeling, and nutrient spiraling metrics to characterize nitrate (NO), ammonium (NH), and inorganic phosphorus (SRP) demand in seven agricultural streams across the United States and to identify in-stream
Autor:
Richard W. Sheibley, Donald O. Rosenberry, Stephen E. Cox, Frederic W. Simonds, David L. Naftz
Publikováno v:
Water Resources Research. 49:2975-2986
[1] Seepage at the sediment-water interface in several lakes, a large river, and an estuary exhibits substantial temporal variability when measured with temporal resolution of 1 min or less. Already substantial seepage rates changed by 7% and 16% in
Autor:
Kathleen E. Conn, James R. Foreman, Stephen E. Cox, Robert W. Black, Craig A. Senter, Richard S. Dinicola, Norman T. Peterson, Richard W. Sheibley
Publikováno v:
Techniques and Methods.
Autor:
A. D. P. Ershall, Richard W. Sheibley, Lydia H. Zeglin, Clifford N. Dahm, Chelsea L. Crenshaw, Nancy B. Grimm
Publikováno v:
Fundamental and Applied Limnology. 176:391-405
Canalization and incision are common morphological alterations associated with human land use that reduce hydrological/hydrodynamic linkages between surtace and ground waters in stream ecosystems. To explore the impacts of these anthropogenic changes
Autor:
Stephen K. Hamilton, Suzanne M. Thomas, Amy J. Burgin, Geoffrey C. Poole, Daniel J. Sobota, Robert O. Hall, B. R. Niederlehner, Stanley V. Gregory, Sherri L. Johnson, Linda R. Ashkenas, Patrick J. Mulholland, Lee W. Cooper, Melody J. Bernot, Ashley M. Helton, C. N. Dahm, Jake J. Beaulieu, Judy L. Meyer, Nancy B. Grimm, Chelsea M. Crenshaw, Jackson R. Webster, Clay P. Arangob, Jody D. Potter, Bruce J. Peterson, Jennifer L. Tank, Richard W. Sheibley, Laura T. Johnson, Jonathan M. O'Brien, William H. McDowell, H. Maurice Valett, Walter K. Dodds
Publikováno v:
Limnology and Oceanography. 54:653-665
We measured uptake length of 15NO { in 72 streams in eight regions across the United States and Puerto Rico to develop quantitative predictive models on controls of NO { uptake length. As part of the Lotic Intersite Nitrogen eXperiment II project, we