|
GRACEnet overview (PDF May 13, 2008) by Ron Follet
Disciplinary Area: Biogeochemistry and soil physics.
Current Projects Publications Lab Group Seminars 
RECENT ARTICLES and PRESENTATIONS:
Frontiers in Ecology and the Environment:
Special Issue: Biogenic GHGs in North America
(Dec 2012 - link to full issue)
Beyond the Frontier Interview
(Dec 2012 - link to Audio MP3)
Broadcast Urea Decreases N2O but Increases NO Emissions Compared with Conventional and Shallow-Applied Anhydrous Ammonia in a Coarse-Textured Soil(PDF)
Fertilizer Source and Tillage Effects on Yield-Scaled Nitrous Oxide Emissions in a Corn Cropping System (PDF)
Fertilizer Management Effects on Nitrate Leaching and Indirect Nitrous Oxide Emissions in Irrigated Potato Production (PDF)
Simplified Method for Quantifying Theoretical Underestimation of Chamber-Based Trace Gas Fluxes (PDF); Example calculations(Excel file)
Urea Decreases Nitrous Oxide Emissions Compared with Anhydrous Ammonia in a Minnesota Corn Cropping System (PDF)
Polymer-Coated Urea Maintains Potato Yields and Reduces Nitrous Oxide Emissions in a Minnesota Loamy Sand (PDF)
Current Research Interests:
· Measurement & mitigation of greenhouse gas emissions from agriculture
· Modeling soil nitrogen transformation & soil-atmosphere gas exchange
· Tools for designing and evaluating chamber methods
o Simplified method for quantifying underestimation of chamber-based fluxes; Worksheet
o Venterea, R.T., K.A. Spokas and J.M. Baker. 2009
o Accuracy and precision worksheet; Instructions for using worksheet
o Venterea, R.T. and J.M. Baker. 2008.; GRACEnet Protocol.
Description of static non-steady state flux chambers used in field studies
|
|