(a) CO2, water vapor and energy flux measurements from three different-age (65, 33, 5-yr old) afforested conifer forest ecosystems at Turkey Point in southern Ontario using eddy covariance technique and soil CO2 flux observations using a chamber system.
Objectives are to evaluate the response of different age forest ecosystem to environmental stresses such as drought and temperature stresses etc.
(b) Stand level carbon and nitrogen cycle modeling using Canadian Land Surface Scheme (CN-CLASS). The objectives are to improve understanding of processes controlling (a) fluxes of carbon, water and energy and (b) nutrient cycling in different-age forest ecosystems, using observed fluxes.
(c) Regional ecosystem modeling using the Canadian Terrestrial Ecosystem Model (CTEM). The project objectives are to explore the impacts of natural and anthropogenic effects (i.e. N deposition, CO2 fertilization, other environmental stresses etc) on simulated carbon, water and nitrogen exchanges in terrestrial ecosystems, particularly forests. Analysis will involve conducting sensitivity
tests under various future climate change scenarios. Both CLASS and CTEM are used in the Canadian GCM.
This research is being funded by the Natural Sciences and Engineering Research Council (NSERC) of Canada. Turkey Point flux sites are also associate sites of the Canadian Carbon Program or Fluxnet-Canada. Please visit our group website for more information: (
These opportunities are available from January 2008 (winter term). Review of the applications will begin immediately. Qualified candidates should submit a cover letter, resume, copy of their grades and list of courses taken in the past and names of two referees to Dr. Altaf Arain at following address, preferable by 20 November
2007. Modeling students must have strong programming skills in Fortran and preferably in Unix or Linux.
Dr. Altaf Arain
Hydrometeorology & Climatology Research Group
School of Geography and Earth Sciences
McMaster University
1280 Main Street West
Hamilton, ON, L8S4K1, Canada.
Email: arainm@mcmaster. ca
[sursa beasiswa]
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