1. Tree Ring Laboratory Lamont‐Doherty Earth Observatory of Columbia University Palisades New York USA
2. Department of Earth and Environmental Sciences Columbia University New York New York USA
3. NASA Goddard Institute for Space Studies New York New York USA
4. Ocean and Climate Physics Lamont‐Doherty Earth Observatory of Columbia University Palisades New York USA
5. Department of Geography University of Cambridge Cambridge UK
6. Department of Physical Geography Stockholm University Stockholm Sweden
7. Laboratory of Tree Ring Research University of Arizona Tucson Arizona USA
8. Department of Environmental Science William Paterson University Wayne New Jersey USA
9. Ecology, Evolution and Environmental Biology Columbia University New York New York USA