Leaf Respiration in Terrestrial Biosphere Models

2017 ◽  
pp. 107-142 ◽  
Author(s):  
Owen K. Atkin ◽  
Nur H. A. Bahar ◽  
Keith J. Bloomfield ◽  
Kevin L. Griffin ◽  
Mary A. Heskel ◽  
...  
Keyword(s):  
Terrestrial Biosphere ◽  
Leaf Respiration

The rate of development of water deficits affects Saxifraga cernua leaf respiration

1996 ◽  
Vol 96 (2) ◽  
pp. 291-297 ◽  
Author(s):  
Donald E. Collier ◽  
W. Raymond Cummins
Keyword(s):  
Leaf Respiration ◽  
Water Deficits ◽  
Rate Of Development ◽  
Saxifraga Cernua

scholarly journals Carbon balance of the terrestrial biosphere in the Twentieth Century: Analyses of CO2, climate and land use effects with four process-based ecosystem models

2001 ◽  
Vol 15 (1) ◽  
pp. 183-206 ◽  
Author(s):  
A. D. McGuire ◽  
S. Sitch ◽  
J. S. Clein ◽  
R. Dargaville ◽  
G. Esser ◽  
...  
Keyword(s):  
Land Use ◽  
Twentieth Century ◽  
Carbon Balance ◽  
Ecosystem Models ◽  
Terrestrial Biosphere ◽  
Land Use Effects

scholarly journals Optimizing Phenology Parameters Drastically Improves Terrestrial Biosphere Model Underestimates of Dryland Net CO2 Flux Inter-Annual Variability

2021 ◽  
Author(s):  
Kashif Mahmud ◽  
Joel Biederman ◽  
Russ Scott ◽  
Marcy Litvak ◽  
Thomas Kolb ◽  
...  
Keyword(s):  
Co2 Flux ◽  
Terrestrial Biosphere ◽  
Annual Variability ◽  
Biosphere Model

scholarly journals Constraining a land surface model with multiple observations by application of the MPI-Carbon Cycle Data Assimilation System

2016 ◽  
Author(s):  
G. J. Schürmann ◽  
T. Kaminski ◽  
C. Köstler ◽  
N. Carvalhais ◽  
M. Voßbeck ◽  
...  
Keyword(s):  
Data Assimilation ◽  
Carbon Cycle ◽  
Land Surface ◽  
Data Stream ◽  
Atmospheric Co2 ◽  
Surface Model ◽  
Terrestrial Biosphere ◽  
Multiple Observations ◽  
Data Assimilation System ◽  
Assimilation System

Abstract. We describe the Max Planck Institute Carbon Cycle Data Assimilation System (MPI-CCDAS) built around the tangent-linear version of the land surface scheme of the MPI-Earth System Model v1 (JSBACH). The simulated terrestrial biosphere processes (phenology and carbon balance) were constrained by observations of the fraction of photosynthetically active radiation (TIP-FAPAR product) and by observations of atmospheric CO2 at a global set of monitoring stations for the years 2005–2009. The system successfully, and computationally efficiently, improved average foliar area and northern extra-tropical seasonality of foliar area when constrained by TIP-FAPAR. Global net and gross carbon fluxes were improved when constrained by atmospheric CO2, although the system tended to underestimate tropical productivity. Assimilating both data streams jointly allowed the MPI-CCDAS to match both observations (TIP-FAPAR and atmospheric CO2) equally well as the single data stream assimilation cases, therefore overall increasing the appropriateness of the resultant parameter values and biosphere dynamics. Our study thus highlights the role of the TIP-FAPAR product in stabilising the underdetermined atmospheric inversion problem and demonstrates the value of multiple-data stream assimilation for the simulation of terrestrial biosphere dynamics. The constraint on regional gross and net CO2 flux patterns is limited through the parametrisation of the biosphere model. We expect improvement on that aspect through a refined initialisation strategy and inclusion of further biosphere observations as constraints.

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