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04: Biosphere-Atmosphere Exchange: From kinetic theory to the limits of plant life, 10.08.2017

Katul, Gabriel; KIT | Webcast [Hrsg.]

  • 0:00:00 Start
  • 0:00:59 Collaborators
  • 0:02:12 Introduction
  • 0:03:09 Evaporation: A Molecular Perspective
  • 0:05:57 From ‘Molecular‘ to ‘Turbulence‘
  • 0:07:59 Bringing in the energy
  • 0:10:38 Combination equation and thermal stratification effects
  • 0:11:34 Bringing in the plants
  • 0:13:35 Stomata and the climate system
  • 0:15:08 Stomata and climate
  • 0:16:21 Stomata and the climate system
  • 0:18:37 Droughts and Forest Mortality
  • 0:19:38 Water transport theories
  • 0:22:45 Question:
  • 0:23:38 Hypothesis for each system
  • 0:27:03 Leaf gas – exchange equations
  • 0:28:53 Contemporary empirical formulations
  • 0:30:37 Widely used in climate models
  • 0:32:25 Optimization model (Lan Cowan)
  • 0:35:27 Optimization model
  • 0:36:55 Linearized biochemical demand function
  • 0:39:55 Optimization model
  • 0:41:22 Recovery of empirical models
  • 0:43:49 Stomatal responses to vapor pressure deficit: Is the D^-1/2 consistent with literature responses?
  • 0:45:29 Stomatal responses to vapor pressure deficit: Is the D^-1/2 reasonable?
  • 0:45:53 Optimization models (Linear form)
  • 0:47:28 Apparent feed – forward mechanism
  • 0:52:36 Optimization models and apparent feed–forward mechanism
  • 0:53:24 Apparent feed–forward mechanism
  • 0:53:53 Apparent feed–forward mechanism for Rubisco–limited Photosynthesis
  • 0:55:27 Apparent feed-forward mechanism: Revisiting Bunce(1997) data
  • 0:56:20 More on the onset of apparent feedforward mechanism
  • 0:58:44 Revise to accommodate mesophyll
  • 1:00:34 Linearized formulation
  • 1:03:02 Model results
  • 1:04:02 How to specify λ for a fluctuation water supply?
  • 1:04:48 Plausibility argument for a constant λ on short times
  • 1:09:01 Single dry–down time scale
  • 1:11:17 Konrad et al. 2008: Determine λww from Stomatal pore geometry and diffusion
  • 1:11:50 Hydraulic transport
  • 1:12:51 Maximum hydraulic transport
  • 1:22:16 Sugar mass transport in Phloem
  • 1:24:14 Optimal sugar concentration
  • 1:25:20 Putting it all together – coordination
  • 1:26:28 Conclusions and Future Directions
  • 1:27:49 Future Directions


Zugehörige Institution(en) am KIT KIT-Bibliothek (BIB)
Publikationstyp Audio & Video
Publikationsdatum 29.01.2018
Erstellungsdatum 10.08.2017
DOI 10.5445/DIVA/2018-113
Identifikator KITopen-ID: 1000115328
Serie MICMoR Summer School 2017: Transport Phenomena and the Limits of Life in the Biosphere
Lizenz KITopen-Lizenz
KIT – Die Forschungsuniversität in der Helmholtz-Gemeinschaft
KITopen Landing Page