Positions by 99Science

Graduate Position: “Unlocking the scaling puzzle in forest carbon and water fluxes”. The global terrestrial carbon and water cycles are inextricably linked, dominated by leaf-scale processes (e.g. photosynthesis and stomatal conductance). Consequently, we construct global vegetation models using leaf-level understanding of plant responses to environmental cues. However, when we evaluate model prediction at ecosystem scales (~km2), we find critical discrepancies in estimated and observed carbon and water fluxes, signifying an important gap in our understanding of leaf-to-ecosystem scaling.

Furthermore, datasets derived at leaf-, canopy- and ecosystem- scales are rarely consistent. Our inability to explain these biases in both models and observations limits our capacity to accurately predict vegetation responses to future climate. Supervised by: Associate Professor Martin De Kauwe (University of Bristol), Associate Professor Tristan Quaife (University of Reading), Dr Emily Lines (University of Cambridge) and Dr Mathew Wilkinson (Forest Research). Details can be found at: http://www.bristol.ac.uk/biology/courses/postgraduate/phdstudentships/

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