04 |

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