1. Water Research Centre School of Civil and Environmental Engineering University of New South Wales Sydney NSW Australia
2. ARC Centre of Excellence in Australian Biodiversity and Heritage University of New South Wales Sydney NSW Australia
3. Chronos 14Carbon‐Cycle Facility Mark Wainwright Analytical Centre University of New South Wales Sydney NSW Australia
4. Earth and Sustainability Science Research Centre School of Biological, Earth and Environmental Sciences University of New South Wales Sydney NSW Australia
5. Cooperative Programs for the Advancement of Earth System Science University Corporation for Atmospheric Research Boulder CO USA
6. Department of Plant Science University of California Oakland CA USA
7. Tree‐ring Laboratory Lamont‐Doherty Earth Observatory of Columbia University Palisades NY USA
8. Water Research Laboratory School of Civil and Environmental Engineering University of New South Wales Sydney NSW Australia
9. Now at Division of the Deputy Vice‐Chancellor, Research University of Technology Sydney NSW Australia