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Atmosphere-Vegetation-Soil Interaction: from diurnal to climate scales

22.02.2016 - 24.02.2016

Lecturer: Jordi VilĂ  (Wageningen University, The Netherlands)

Date: 22-24 February 2016

Where: University of Bergen. Lectures will take place at Geophysical Institute, AllĂ©gaten 70.

Scope

The aim of the course is to get acquainted to the main interactions between the atmosphere and surface processes controlled by the vegetation and soil conditions. In that respect, we will lecture which are the main feedback loops influencing the evaporation and how the carbon cycle is controlled by atmospheric and surface changes due to climate perturbations. The course format is based on introductory lectures and practical exercises on numerical exercises to learn the sensitivity of the atmosphere-vegetation-soil system to atmosphere and surface conditions. The practical session will end up with an open discussion among the participants and a final workshop presenting their main results based on the practical numerical experiments.

Program

Monday 22 February 2016

Morning session

09.00-10.00: Lecture (theory)

Introduction in the atmospheric boundary layer 

The role of the surface/entrainment fluxes, turbulent mixing and atmospheric stability

Integrating large scale forcing: subsidence and advection

Fundamental concepts of mixed-layer theory

10.00-10.30: Coffee/Tea break

10.30-12.30: Practical session 

The budget of heat and moisture in the Atmospheric Boundary Layer

Evolution of the boundary layer depth.

12.30-14.00:Lunch

Afternoon session

14.00-15.00: Lecture (theory)

Introduction in land-atmosphere interactions

The surface energy balance

The link between the surface energy balance and the atmospheric boundary layer

Forcing and feedbacks in the coupled land-atmosphere system

Interaction vegetation-atmosphere

15.00-15.30: Coffee/Tea break

15.30-17.30: Practical session (it can also include wrap up discussion at the end of the session)

Land-atmosphere interaction: evaporation

Tuesday 23 February 2016

Morning session

09.00-10.00: Lecture (theory)

Carbon dioxide budget

Interaction vegetation-atmosphere

Plant physiological model

Carbon dioxide soil respiration

10.00-10.30:Coffee break

10.30-12.00:Practical session 

Sensitivity of the atmosphere-vegetation-soil system to climate perturbations

12.30-14.00:Lunch 

14.00-15.00: Lecture (theory)

Sensitivity of Atmosphere-vegetation-Soil system to Climate perturbations

-       Effect of warmer climate

-       Effect of drought events

-       Effect of high CO2 concentration levels

-       Effect of diming

-       C3 versusC4 plants

15.00-15.30: Coffee/Tea break

15.30-17.30: Practical session

Sensitivity of Atmosphere-vegetation-Soil system to Climate perturbations

Wednesday 24 February 2016

Morning session

09.00-10.30:Workshop on the practical exercises (participants)

10.30-11.00:General discussion

Participant list:

  1. Francesca Jaroszynska, ResClim
  2. Inge Althuizen, ResClim
  3. Irene Brox Nilsen, ResClim
  4. Anders Bryn, UiO
  5. Bikas Chandra  Bhattarai, UiO
  6. Lucas Hoeppler, UiB/LMU
  7. Mahmud Hassan Ghani, UiB
  8. Peter Horvath, UiO
  9. Omar El Guernaoui, UiB
  10. Andrew Seidl, UiB
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