Global terrestrial carbon and water budgets are changing with an unprecedented rate. Observations and simulations of the terrestrial carbon and water budget are fundamental to forecasting the biosphere-atmosphere interaction under a changing climate. Although in reality, physical and physiological processes underlying carbon and water fluxes occur over a continuum of scales, most research efforts address a single scale. Therefore, the estimated change systematically depends on the scale of observation and is a significant contributor to the output uncertainties. This, along with the ever-increasing variety of observation methods, simulation and computation techniques, pose a challenge to inform process understanding by observations that are captured at multiple spatial and temporal scales.
In this session, we aim to review challenges associated with scaling processes of carbon and water fluxes from the leaf to the ecosystem, and eventually global scale. More specifically, we call for recent efforts in the systematic quantification of uncertainties associated with different scales in modelling exercises, transferability between measurement captured at the leaf (e.g. gas exchange), tree (e.g. sap flux, dendrometers) to ecosystem level (eddy covariance towers, UAVs, aircrafts and satellites), and modelling studies, which help in bridging observational datasets from multiple temporal and spatial scales.

Convener: Mana Gharun | Co-conveners: Benjamin Stocker, Corinna Rebmann, Arthur Geßler
| Attendance Fri, 12 Apr, 10:45–12:30
Hall A

Attendance time: Friday, 12 April 2019, 10:45–12:30 | Hall A

A.419 |
Mathias Herbst
A.420 |
Jordi Vila, Oscar Hartogensis, Maria Quade, Maria Matveeva, Thomas Roeckmann, Getachew Adnew, Hugo de Boer, Dzhaner Emin, Jessica Schmaeck, Matthias Langensiepen, Marius Schmidt, Anne Klosterhalfeb, Patricia Ney, Nicolas Brueggemann, and Alexander Graf
A.422 |
Anna-Maria Virkkala, Torbern Tagesson, Claire Treat, Juha Aalto, Aleksi Lehtonen, and Miska Luoto
A.423 |
| presentation
Alienor Lavergne, Iain Colin Prentice, and Heather Graven
A.424 |
Estimate ecosystem maximum light use efficiency from water use efficiency principle
Rong Gan, Lu Zhang, Enli Wang, Yongqiang Zhang, and Qiang Yu
A.425 |
Responses of Plant Biomass to Global Warming: From Leaf Traits to Biodiversity
Xuhui Zhou, Junjiong Shao, and Huiying Liu
A.428 |
Andreas Riedl, Yafei Li, and Werner Eugster
A.429 |
Julia Kelly, Natascha Kljun, Xianghua Xie, Bengt Liljeblad, Per-Ola Olsson, and Lars Eklundh
A.430 |
George Burba, Israel Begashaw, Antonio Forgione, Nick Franken, Frank Griessbaum, Peter Isaac, Dave Johnson, James Kathilankal, Adam McQuistan, April Parkinson, Mong-Kuen Sun, Adam Templeton, Lynn Woodford, and Gerardo Fratini