Feng Zhu, Julien Emile-Geay, Nicholas P. McKay, Gregory J. Hakim, Deborah Khider, Toby R. Ault, Eric J. Steig, Sylvia Dee, and James W. Kirchner Proc. Natl. Acad. Sci. USA 116 (2019) 8728-8733. DOI: 10.1073/pnas.1809959116 Significance Climate models are foundational to formulations of climate policy and must successfully reproduce key features of the climate system. The […]
Richard S. Vachula, Yongsong Huang, William M. Longo, Sylvia G. Dee, William C. Daniels, and James M. Russell Quant. Sci. Rev. 205 (2019) 35-44. DOI: 10.1016/j.quascirev.2018.12.003 Abstract Our understanding of the timing and pathway of human arrival to the Americas remains an important and polarizing topic of debate in archaeology and anthropology. Traditional consensus, […]
Pedram Hassanzadeh and Zhiming Kuang J. Atmos. Sci. 76 (2019) 1107-1124. DOI: 10.1175/JAS-D-18-0268.1 Abstract The linear response function (LRF) of an idealized GCM, the dry dynamical core with Held–Suarez physics, is used to accurately compute how eddy momentum and heat fluxes change in response to the zonal wind and temperature anomalies of the annular mode […]
Thomas Giachetti, Helge M. Gonnermann, James E. Gardner, Alain Burgisser, Sahand Hajimirza, Tobias C. Earley, Nathan Truong, and Pamela Toledo Geochem. Geophys. Geosyst. 20 (2019) 1054-1074. DOI: 10.1029/2018GC008006 Abstract Coalescence during bubble nucleation and growth in crystal‐free rhyolitic melt was experimentally investigated, and the percolation threshold, defined as the porosity at which the vesicular melt first becomes […]
Sahand Hajimirza, Helge M. Gonnermann, James E. Gardner, and Thomas Giachetti J. Geophys. Res.-Solid Earth 124 (2019) 2395-2416. DOI: 10.1029/2018JB015891 Abstract Bubble nucleation is the critical first step during magma degassing. The resultant number density of bubbles provides a record of nucleation kinetics and underlying eruptive conditions. The rate of bubble nucleation is strongly dependent […]
Shunping Pei, Fenglin Niu, Yehuda Ben-Zion, Quan Sun, Yanbin Liu, Xiaotian Xue, Jinrong Su, and Zhigang Shao Nature Geosci. 12 (2019) 387-392. DOI: 10.1038/s41561-019-0347-1 Abstract Various studies report on temporal changes of seismic velocities in the crust and attempt to relate the observations to changes of stress and material properties around faults. Although there are […]
David G. Blank and Julia K. Morgan Geophys. Res. Lett. 46 (2019) 3180-3188. DOI: 10.1029/2018GL081007 Abstract We use the discrete element method to create numerical analogs to subduction megathrusts with natural roughness and heterogeneous fault friction. Boundary conditions simulate tectonic loading, inducing fault slip. Intermittently, slip develops into complex rupture events that include foreshocks, mainshocks, […]
By Kendall Schoemann (staff writer in Rice University’s Office of Public Affairs) Two Rice University faculty members have been selected as 2019 Alfred P. Sloan Research Fellows. Mark Torres (Photo courtesy of Rice University) Mark Torres, assistant professor of Earth, environmental and planetary sciences, was honored for his work in the field of ocean sciences, […]
Laurence Y. Yeung, Joshua A. Haslun, Nathaniel E. Ostrom, Tao Sun, Edward D. Young, Maartje A. H. J. van Kessel, Sebastian Lücker, and Mike S. M. Jetten Abstract We describe an approach for determining biological N2 production in soils based on the proportions of naturally occurring 15N15N in N2. Laboratory incubation experiments reveal that biological […]
Boda Li, Laurence Y. Yeung, Huanting Hu, and Jeanine L. Ash Abstract Oxygen isotopologues are useful tools for understanding biogeochemical processes and chemical budgets in the ocean. For example, the triple‑oxygen isotope composition of dissolved oxygen in the ocean mixed layer (i.e., its δ17O and δ18O values) is widely used to estimate gross oxygen productivity […]
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