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A roadmap for improving the representation of photosynthesis in Earth system models

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Title: A roadmap for improving the representation of photosynthesis in Earth system models
Authors: Prentice, IC
Rogers, A
Medlyn, BE
Dukes, JS
Bonan, G
Von Caemmerer, S
Dietze, MC
Kattge, J
Leakey, ADB
Mercado, LM
Niinemets, Ü
Serbin, SP
Sitch, S
Way, DA
Zaehle, S
Item Type: Journal Article
Abstract: Accurate representation of photosynthesis in terrestrial biosphere models (TBMs) is essential for robust projections of global change. However, current representations vary markedly between TBMs, contributing uncertainty to projections of global carbon fluxes. ● Here we compared the representation of photosynthesis in seven TBMs by examining leaf and canopy level responses of A to key environmental variables: light, temperature, carbon dioxide concentration, vapor pressure deficit and soil water content. ● We identified research areas where limited process knowledge prevents inclusion of physiological phenomena in current TBMs and research areas where data are urgently needed for model parameterization or evaluation. ● We provide a roadmap for new science needed to improve the representation of photosynthesis in the next generation of terrestrial biosphere and Earth System Models.
Issue Date: 28-Nov-2016
Date of Acceptance: 16-Sep-2016
URI: http://hdl.handle.net/10044/1/42894
DOI: https://dx.doi.org/10.1111/nph.14283
ISSN: 1469-8137
Publisher: Wiley
Start Page: 22
End Page: 42
Journal / Book Title: New Phytologist
Volume: 213
Issue: 1
Copyright Statement: No claim to original US Government works New Phytologist © 2016 New Phytologist Trust.
Keywords: Plant Biology & Botany
06 Biological Sciences
07 Agricultural And Veterinary Sciences
Publication Status: Published
Appears in Collections:Department of Life Sciences
Grantham Institute for Climate Change
Faculty of Natural Sciences