1. Department of Civil and Environmental Engineering University of Illinois at Urbana‐Champaign Urbana IL USA
2. Now at Department of Atmospheric Science Colorado State University Fort Collins CO USA
3. Earth and Atmospheric Sciences Department Cornell University Ithaca NY USA
4. International Institute for Applied Systems Analysis (IIASA) Laxenburg Austria
5. College of Earth, Ocean, and Environment University of Delaware Newark DE USA
6. Now at Department of Mechanical Engineering Colorado State University Fort Collins CO USA