Asmita Banerjee, Laurence Y. Yeung, Lee T. Murray, Xin Tie, Jessica E. Tierney, and Allegra N. Legrande Abstract Ice cores and other paleotemperature proxies, together with general circulation models, have provided information on past surface temperatures and the atmosphere’s composition in different climates. Little is known, however, about past temperatures at high altitudes, which play […]
Elizabeth J. Wallace, Sylvia G. Dee, and Kerry A. Emanuel Geophysical Research Letters (2021) e2021GL094891. doi: 10.1029/2021GL094891 Abstract Paleohurricane reconstructions extend the observational record of tropical cyclones back thousands of years. However, these records are subject to biases – capturing only close-moving intense storms at varying resolutions. We devise two pseudo proxy networks drawing from […]
Laurence Y. Yeung, Lee T. Murray, Asmita Banerjee, Xin Tie, Yuzhen Yan, Elliot L. Atlas, Sue M. Schuaffler, and Kristie A. Boering doi: 10.1029/2021JD034770 Abstract Tropospheric 18O18O is an emerging proxy for past tropospheric ozone and free-tropospheric temperatures. The basis of these applications is the idea that isotope-exchange reactions in the atmosphere drive 18O18O abundances […]
Michael T. Thorpe, Joel A. Hurowitz, and Kirsten L. Siebach doi: 10.1029/2020JE006530 Abstract In the Late Noachian to Early Hesperian period, rivers transported detritus from igneous source terrains to a downstream lake within Gale crater, creating a stratified stack of fluviolacustrine rocks that is currently exposed along the slopes of Mount Sharp. Controversy exists regarding […]
Stable isotope (C, N, O, and H) study of a comprehensive set of feathers from two Setophaga citrina Samiksha Deme, Laurence Y. Yeung, Tao Sun, and Cin-Ty A. Lee, PLoS ONE 16 (2021): e0236536. Abstract Oxygen, hydrogen, carbon and nitrogen stable isotopes were measured on a comprehensive sampling of feathers from two spring Hooded Warblers […]
Laurence Y. Yeung and Justin A. Hayles Rev. Mineral. Geochem. 86 (2021) 97-137 Abstract Are current theoretical methods sufficiently accurate to benchmark oxygen triple-isotope geochemistry? In this review and synthesis article, we first cover basic concepts and notation relevant to oxygen triple-isotope geochemistry. Second, we examine what theory predicts for oxygen triple-isotope variability in chemical […]
Pedram Hassanzadeh, Chia-Ying Lee, Ebrahim Nabizadeh, Suzana J. Camargo, Ding Ma, and Laurence Y. Yeung Nature Communications 11 (2020): 3319. doi: 10.1038/s41467-020-17130-7 Abstract The movement of tropical cyclones (TCs), particularly around the time of landfall, can substantially affect the resulting damage. Recently, trends in TC translation speed and the likelihood of stalled TCs such as […]
Jeanine L. Ash, Huanting Hu, and Laurence Y. Yeung Abstract The precise mass dependence of respiratory O2 consumption underpins the “oxygen triple-isotope” approach to quantifying gross primary productivity in modern and ancient environments. Yet, the physical-chemical origins of the key 18O/16O and 17O/16O covariations observed during respiration have not been tied to theory; thus the […]
Nathaniel J. Lindsey, T. Craig Dowe, and Jonathan B. Ajo-Franklin Abstract Distributed fiber-optic sensing technology coupled to existing subsea cables (dark fiber) allows observation of ocean and solid earth phenomena. We used an optical fiber from the cable supporting the Monterey Accelerated Research System during a 4-day maintenance period with a distributed acoustic sensing (DAS) […]
Melodie E. French, Greg Hirth, and Keishi Okazaki Tectonophysics 767 (2019) 228168 doi: 10.1016/j.tecto.2019.228168 Abstract We investigate the strength, deformation processes, and pore fluid weakening during localized shear of antigorite serpentine. Recent work has shown that some phyllosilicates, including antigorite, undergo a reverse transition from ductile to localized deformation at the pressure-temperature conditions of deep […]
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