Emergence of focused flow and instability in vertical fractures induced by variable-density flows

Hongfan Cao1, Seonkyoo Yoon1, Zhenyu Xu2, Laura J Pyrak-Nolte3, Etienne Bresciani4 and Peter K. Kang5, (1)University of Minnesota Twin Cities, Department of Earth and Environmental Sciences, Minneapolis, MN, United States, (2)Purdue University, Department of Physics and Astronomy, West Lafayette, IN, United States, (3)Purdue University, Department of Physics and Astronomy; Department of Earth, Atomospheric and Planetary Sciences, West Lafayette, United States, (4)Center for Advanced Studies in Arid Zones (CEAZA), La Serena, Chile, (5)University of Minnesota, Department of Earth and Environmental Sciences, Minneapolis, United States