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11 | 12 | 13 | 14 | 15 | 16 | 17 |
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DeFord Lecture: Melissa Kemp
Start:January 21, 2021 at 4:00 pm
End:
January 21, 2021 at 5:00 pm
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Biodiversity in the Anthropocene: a paleobiological perspective
About Dr. Melissa Kemp (UT Austin)
Impact of Sea level change and colonization on Caribbean lizards; how extinction, diversification, and colonization are shaped by environmental perturbations; integration of macroevolutionary theory with paleobiology, ecology, and conservation biology by combining field, laboratory, and quantitative methods.
DeFord Lecture Series
Since the 1940’s, the DeFord (Technical Sessions) lecture series, initially the official venue for disseminating DGS graduate student research, is a forum for lectures by distinguished visitors and members of our community. This is made possible through a series of endowments.
UTIG Seminar Series: William Frank, MIT
Start:January 22, 2021 at 10:30 am
End:
January 22, 2021 at 11:30 am
Contact:
Constantino Panagopulos, costa@ig.utexas.edu, 512-574-7376
Contactcosta@ig.utexas.edufor a link to join the live talk.
Speaker: William Frank, Massachusetts Institute of Technology
Host: Demian Saffer
Title: The transient and intermittent nature of slow slip
Abstract: Slow, aseismic slip (such as slow slip and surface creep) is now recognized as the glue at tectonic plate boundaries that holds the earthquake cycle together. Since the first observations of surface creep along the San Andreas plate boundary more than 50 years ago, advances in geophysical instrumentation and innovative observational approaches have revealed that faulting at major plate boundaries covers a broad spectrum of slip modes, from fast earthquake ruptures to intermittent slow slip.
Today, the continuous GPS record and satellite imagery reveal the jerky, intermittent nature of aseismic slip. The pattern that is emerging suggests that slow slip at plate boundaries and surface creep on major transform faults is not a steady, continuous process as once thought, but is rather a complex spatiotemporal cluster of interacting aseismic transients. Aseismic slip rate variations have now been observed at all temporal scales, from seconds to decades. These new observations suggest slow slip is much more similar to earthquake slip than previously acknowledged, with strong implications on our understanding of the dynamics of active faults. These new observations call for new families of models with much broader dynamics that are able to reproduce the observed rich spectrum of slow slip.
DeFord Lecture: Jennifer McIntosh
Start:January 28, 2021 at 4:00 pm
End:
January 28, 2021 at 5:00 pm
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About Dr. Jennifer McIntosh (University of Arizona)
Hydrogeochemist who works at the interface of hydrology, geochemistry, and microbiology to understand micro (pore) to macro (continental scale) processes throughout the earth’s crust. Regional hydrogeologic phenomena and geofluids. Reactive transport.
DeFord Lecture Series
Since the 1940’s, the DeFord (Technical Sessions) lecture series, initially the official venue for disseminating DGS graduate student research, is a forum for lectures by distinguished visitors and members of our community. This is made possible through a series of endowments.
UTIG Seminar Series: Emily Eidam, UNC at Chapel Hill
Start:January 29, 2021 at 10:30 am
End:
January 29, 2021 at 11:30 am
Contact:
Constantino Panagopulos, costa@ig.utexas.edu, 512-574-7376
Contactcosta@ig.utexas.edufor a link to join the live talk.
Speaker: Emily Eidam, University of North Carolina at Chapel Hill
Host: John Goff
Research Areas: Fluvial and coastal sediment transport dynamics
DeFord Lecture: Melissa KempJanuary, 21 2021Time: 4:00 PM - 5:00 PMBiodiversity in the Anthropocene: a paleobiological perspective About Dr. Melissa Kemp (UT Austin) Impact of Sea level change and colonization on Caribbean lizards; how extinction, diversification, and colonization are shaped by environmental perturbations; integration of macroevolutionary theory with paleobiology, ecology, and conservation biology by combining field, laboratory, and quantitative methods. DeFord Lecture Series Since the 1940\'s, the DeFord (Technical Sessions) lecture series, initially the official venue for disseminating DGS graduate student research, is a forum for lectures by distinguished visitors and members of our community. This is made possible through a series of endowments. |
UTIG Seminar Series: William Frank, MITJanuary, 22 2021Time: 10:30 AM - 11:30 AMContactcosta@ig.utexas.edufor a link to join the live talk. Speaker: William Frank, Massachusetts Institute of Technology Host: Demian Saffer Title: The transient and intermittent nature of slow slip Abstract: Slow, aseismic slip (such as slow slip and surface creep) is now recognized as the glue at tectonic plate boundaries that holds the earthquake cycle together. Since the first observations of surface creep along the San Andreas plate boundary more than 50 years ago, advances in geophysical instrumentation and innovative observational approaches have revealed that faulting at major plate boundaries covers a broad spectrum of slip modes, from fast earthquake ruptures to intermittent slow slip. Today, the continuous GPS record and satellite imagery reveal the jerky, intermittent nature of aseismic slip. The pattern that is emerging suggests that slow slip at plate boundaries and surface creep on major transform faults is not a steady, continuous process as once thought, but is rather a complex spatiotemporal cluster of interacting aseismic transients. Aseismic slip rate variations have now been observed at all temporal scales, from seconds to decades. These new observations suggest slow slip is much more similar to earthquake slip than previously acknowledged, with strong implications on our understanding of the dynamics of active faults. These new observations call for new families of models with much broader dynamics that are able to reproduce the observed rich spectrum of slow slip. |
DeFord Lecture: Jennifer McIntoshJanuary, 28 2021Time: 4:00 PM - 5:00 PMAbout Dr. Jennifer McIntosh (University of Arizona) Hydrogeochemist who works at the interface of hydrology, geochemistry, and microbiology to understand micro (pore) to macro (continental scale) processes throughout the earth’s crust. Regional hydrogeologic phenomena and geofluids. Reactive transport. DeFord Lecture Series Since the 1940\'s, the DeFord (Technical Sessions) lecture series, initially the official venue for disseminating DGS graduate student research, is a forum for lectures by distinguished visitors and members of our community. This is made possible through a series of endowments. |
UTIG Seminar Series: Emily Eidam, UNC at Chapel HillJanuary, 29 2021Time: 10:30 AM - 11:30 AMContactcosta@ig.utexas.edufor a link to join the live talk. Speaker: Emily Eidam, University of North Carolina at Chapel Hill Host: John Goff Research Areas: Fluvial and coastal sediment transport dynamics |
LEO Seminar Series: Liz Catlos and Ginny CataniaFebruary, 03 2021Time: 1:00 PM - 2:00 PMThe purpose of LEO is to create a more inclusive and educated community within the JSG by sharing and listening to each other’s stories. Speakers will interview each other and talk about why they are involved in Diversity, Equity, and Inclusion efforts and the heart behind their work. By learning more about why individuals are involved in DEI, we will broaden our understanding of the impacts the JSG is making on students, faculty, staff, and greater society. Taking initiative to get to know each other, ask questions, and Listen to Each Other is a skill that will propel us further to be leaders in the geosciences. |
DeFord Lecture: Kathleen JohnsonFebruary, 04 2021Time: 4:00 PM - 5:00 PMAbout Dr. Kathleen Johnson (University of California Irvine) Speleothem researcher that specializes in reconstructing Asian monsoon and California coastal drought dynamics; utilizes instrumental climate data, paleoclimate data and isotope-enabled climate models to investigate the spatial and temporal patterns of natural climate variability, calibrate paleoclimate proxy data and investigate mechanisms of past climate variability. Member of the Grand Traverse Band of Ottowa and Chippewa Indians and is actively researching with her native community. DeFord Lecture Series Since the 1940\'s, the DeFord (Technical Sessions) lecture series, initially the official venue for disseminating DGS graduate student research, is a forum for lectures by distinguished visitors and members of our community. This is made possible through a series of endowments. |
UTIG Seminar Series: Tapio Schneider, CaltechFebruary, 05 2021Time: 10:30 AM - 11:30 AMContactcosta@ig.utexas.edufor a link to join the live talk. Speaker: Tapio Schneider, California Institute of Technology Host: Yuko Okumura Research Areas: Role of turbulent atmospheric dynamics in climate, dynamics of planetary atmosphere |
DeFord Lecture: Christopher GriffinFebruary, 11 2021Time: 4:00 PM - 5:00 PMAbout Dr. Christopher Griffin (Yale University) Growth and development of vertebrate animals, using methods from paleontology and developmental biology; Origin of major groups, the influence of growth and development on evolution, and the rapid bursts of change known as evolutionary radiations DeFord Lecture Series Since the 1940\'s, the DeFord (Technical Sessions) lecture series, initially the official venue for disseminating DGS graduate student research, is a forum for lectures by distinguished visitors and members of our community. This is made possible through a series of endowments. |
UTIG Seminar Series: Twila Moon, University of Colorado BoulderFebruary, 12 2021Time: 10:30 AM - 11:30 AMContactcosta@ig.utexas.edufor a link to join the live talk. Speaker: Twila Moon, University of Colorado Boulder Host: Sophie Goliber Research Areas: Hydrology and dynamics of glaciers and ice sheets, ice sheet interaction with the ocean, climate, and ecosystem |