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Promotie

Atmospheric turbulence over crops. Confronting theories with observations

Promovendus Anneke van de Boer
Promotor prof.dr. AAM (Bert) Holtslag
Copromotor dr.ir. AF (Arnold) Moene
Copromotor dr. A Graf
Organisatie Wageningen University, Meteorology and Air Quality
Datum

vr 6 februari 2015 16:00 tot 17:30

Locatie Auditorium, building number 362
Generaal Foulkesweg 1
362
6703 BG Wageningen
0317-483592

Summary:

The turbulent transport of moisture, heat and CO2 between the vegetation and atmosphere behaves chaotic. It is therefore difficult to simulate this transport in models. Simplified models are used to simulate these exchange processes that take place in the lowest part of the atmosphere. However, are these land-atmosphere theories always valid? Can we adjust these theories to make them valid for more situations?

By comparing four of such theories with observations of the exchange of moisture, heat and CO2 above several crops, we test their applicability. Furthermore, we improve three of these theories. This supports other researchers, who study for example water resources, crop growth, and the climate, which are all relevant for the production of food and human health worldwide.