General Site Information
Site ID:US-Ro1
Site Name:Rosemount- G21
Tower Team: PI: John Baker <john.baker@ars.usda.gov> - USDA-ARS
PI: Tim Griffis <tgriffis@soils.umn.edu> - University of Minnesota
PI: Timothy Griffis <timgriffis@umn.edu> - University of Minnesota
AncContact: Jeff Wood <jdwood@umn.edu> - None
DataManager: Peter Ganzlin <peter.ganzlin@ars.usda.gov> - None
Technician: Bill Breiter <wbreiter@umn.edu> - None
Affiliate: Peter Turner <turne289@umn.edu> - None
Latitude:44.7143
Longitude:-93.0898
Elevation (m):260
NetworkAmeriFlux
IGBP:CRO (Croplands)
Climate Koeppen:Dfa (Humid Continental: humid with severe winter, no dry season, hot summer)
Mean Annual Temperature (degrees C):6.4
Mean Annual Precipitation (mm):879
Data Products: AmeriFlux BASE Dataset
Data Availability: AmeriFlux BASE:   9 years (Duration: 2004 - 2012)
Data Downloads to Date: AmeriFlux BASE:   181 unique downloads
Data DOIs: AmeriFlux BASE DOI: 10.17190/AMF/1246092
Description:This tower is located in a farm field farmed in accordance with the dominant farming practice in the region: a corn/soybean rotation with chisel plow tillage in the fall following corn harvest and in the spring following soybeans.
Site image(s):
For additional AmeriFlux site images, see the Web site gallery

Publications relevant to understanding the site
BibliographyUsage
"Determining the oxygen isotope composition of evapotranspiration using eddy covariance", T.J. Griffis, S.D. Sargent, X. Lee, J.M. Baker, J. Greene, M. Erickson, X. Zhang, K. Billmark, N. Schultz, W. Xiao, and N. Hu (Boundary-Layer Meteorology, 2010, 137(2), 307-326) Reference
"Direct Measurement of Biosphere-Atmosphere Isotopic CO2 Exchange using the Eddy Covariance Technique", T.J. Griffis, S.D. Sargent, J.M. Baker, X. Lee, B.D. Tanner, J. Greene, E. Swiatek, and K. Billmark (Journal of Geophysical Research- Atmospheres, 2008, 113, D08304) Reference
"Impacts of reduced tillage and cover cropping on the greenhouse gas budget of a maize/soybean rotation ecosystem", T.K. Bavin, T.J. Griffis, J.M. Baker, and R.T. Venterea (Agriculture, Ecosystems and Environment, 2009, 134, 234-242) Reference
"Influence of C4 vegetation on the 13CO2 discrimination and isoforcing in the Upper Midwest, United States", T.J. Griffis, J.M. Baker, S.D. Sargent, M. Erickson, J. Corcoran, M. Chen, and K. Billmark (Global Biogeochemical Cycles, 2010, 24, GB4006) Reference
Griffis, T.J. , X. Lee, J.M. Baker, K. Billmark, N. Schultz, M. Erickson, X. Zhang, J. Fassbinder,W. Xiao, N. Hu. 2011. Oxygen isotope composition of evapotranspiration and its relation to C4 photosynthetic discrimination. J. Geophys. Res. Biogeosci. J. Geophys. Res., 116, G01035, Background
Griffis, T.J., J.M. Baker, S.D. Sargent, M. Erickson, J. Corcoran, M. Chen, and K. Billmark. 2010. Influence of C4 vegetation on 13CO2 discrimination and isoforcing in the upper Midwest, United States. Global Biogeochem. Cycles 24, GB4006, Background
J. M. Baker; T. J. Griffis. 2005. Examining strategies to improve the carbon balance of corn/soybean agriculture using eddy covariance and mass balance techniquesAgricultural and Forest Meteorology. 128:3-4, 163-177. Reference
J.J. Fassbinder, T.J. Griffis, and J.M. Baker, 2012, Interannual, seasonal, and diel variability in the carbon isotope composition of respiration in a C3/C4 agricultural ecosystem, (Agricultural and Forest Meteorology, 153, 144-153) Reference
T.J. Griffis, X. Lee, J.M. Baker, K. Billmark, N. Schultz,M. Erickson, X. Zhang, J. Fassbinder, W. Xiao, and N. Hu, 2011, Oxygen isotope composition of evapotranspiration and its relation to C4 photosynthetic discrimination", (Journal of Geophysical Research - Biogeosciences, 116, G01035) Reference
T.J. Griffis; J.M. Baker; J. Zhang. 2005. Seasonal dynamics and partitioning of isotopic CO2 exchange in a C3/C4 managed ecosystemAgricultural and Forest Meteorology. 132:1-2, 1-19. Reference

These pages show the current information available at http://ameriflux.lbl.gov about this tower.
**Site Team Only** If any of this information is wrong or missing, please submit corrections and updates via http://ameriflux.lbl.gov/web-submit-ui/?site_id=US-Ro1