1. Lamont‐Doherty Earth Observatory & Department of Earth and Environmental Science Columbia University NY USA
2. Department of Geosciences University of Arizona Tucson AZ USA
3. Department of Earth Science Dartmouth College Hanover NH USA
4. Department of Geosciences Princeton University Princeton NJ USA
5. Department of Earth and Atmospheric Sciences Cornell University Ithaca NY USA
6. Tufts University Department of Earth and Ocean Sciences Medford MA USA