Stanford Doerr School of Sustainability


Showing 101-120 of 138 Results

  • Ayla Pamukcu

    Ayla Pamukcu

    Assistant Professor of Earth and Planetary Sciences and, by courtesy, of Geophysics

    Current Research and Scholarly InterestsI have long been fascinated by magmas and volcanic eruptions, for reasons ranging from purely academic (trying to understand the magmatic construction of Earth’s crust) to purely practical (developing effective monitoring and mitigation strategies for volcanic eruptions). Consequently, my research revolves around understanding how, when, where, and why magmas are stored, evolve, and ultimately do (or do not!) erupt.

    Within this context, I focus on two main themes: (1) the temporal, chemical, and physical, evolution of magmas, and (2) the interplay between magma storage conditions in the crust and magmatic processes. I employ a multi-faceted approach to explore these topics, integrating data from multiple scales and perspectives; my studies capitalize on information contained in field relations, crystal and melt inclusion textures (sizes, shapes, positions), crystal and volcanic glass geochemistry, geochronology, phase-equilibria and numerical modeling, and experiments. As a function of this approach, I am also engaged in the development of novel methods to address petrologic problems in new, better, and more refined ways than is currently possible.

    A major focus of my research has been on supereruptions – gigantic explosive eruptions the likes of which we have never seen in recorded human history – but I am continually exploring other kinds of magmatic systems. I am currently particularly interested in the links (or lack thereof) between extrusive (i.e., erupted) and intrusive (i.e., unerupted) magmas, similarities/differences between large- and small-volume eruptions, and similarities/differences between magmas generated at different levels of the crust. I have also had a longstanding interest in the interactions and relationships between humans and their geologic surroundings (particularly volcanoes).

  • Nidhi Utkarshbhai Patel

    Nidhi Utkarshbhai Patel

    Ph.D. Student in Earth and Planetary Sciences, admitted Autumn 2023

    BioPlants display enormous diversity of forms today that, have evolved over geological timescales after plants successfully colonized land. Currently, I am interested in learning more about evolutionary changes in plant structures including specialized reproductive organs of seed plants. I study plant fossil record from deep time and living plants with the aim to develop a better understanding of origins of plant reproductive structures and drivers of morphological evolution in plants. Previously, I have looked at spore-pollen record preserved in sedimentary rocks from Canada. These microscopic fossils and their distribution in space and time can help us elucidate the response of vegetation to past extinction events.

  • Jonathan Payne

    Jonathan Payne

    Dorrell William Kirby Professor, Senior Associate Dean for Faculty Affairs, Senior Fellow at the Woods Institute for the Environment and Professor, by courtesy, of Biology

    Current Research and Scholarly InterestsMy goal in research is to understand the interaction between environmental change and biological evolution using fossils and the sedimentary rock record. How does environmental change influence evolutionary and ecological processes? And conversely, how do evolutionary and ecological changes affect the physical environment? I work primarily on the marine fossil record over the past 550 million years.

  • Eliane Petersohn

    Eliane Petersohn

    Ph.D. Student in Geological Sciences, admitted Autumn 2022

    BioI grew up in Curitiba, a city in southern Brazil, and, moved to Rio de Janeiro to join the Brazilian National Agency of Petroleum, Natural Gas and Biofuels (ANP) years ago.
    I have a strong grasp of the oil and gas industry, where I have been working for more than 15 years. I have a bachelor’s and master's degree in geology from the Federal University of Parana, Brazil and, I have become a public servant of the ANP, where I have held different technical and managerial positions. I spent these past 15 years working on the ANP’s large-scale strategic projects, conducting a geological evaluation for Brazil’s bidding rounds, and developing a multiyear geological and geophysical data acquisition plan for the Agency. I was also responsible for coordinating the first phase of the onerous assignment process, which authorized the Brazilian Government to onerously assign to NOC Petrobras up to 5 billion barrels of oil. I have also been directly involved in the location of two wells, which discovered two of the country's largest oil fields (Buzios and Mero fields). As a geologist researcher, my main objective aims at acquiring capabilities and developing the knowledge required to manage reservoirs to maximize oil recovery and extend the lifespan of oil fields as well as acquire a solid understanding of oil reservoir management to bring innovative knowledge to Brazil and help create guidelines to monitor oil field development and production in my country.

  • David Pollard

    David Pollard

    The Barney and Estelle Morris Professor of Earth Sciences, Emeritus

    Current Research and Scholarly InterestsMy research aims to understand how faults and fractures initiate and evolve in Earth's brittle crust, how they affect the flow of molten rock, groundwater, and hydrocarbons, and the crucial role faults and fractures play in earthquake generation, folding of sedimentary strata, and volcanic eruption.

  • Matthew Reinhold

    Matthew Reinhold

    Ph.D. Student in Geological Sciences, admitted Autumn 2019

    Current Research and Scholarly InterestsPlanetary habitability, specifically looking into the effects of tidal heating as both a source of energy to maintain habitable climates, and as a means of keeping small, terrestrial worlds warm, and thus geologically active for long periods of time. In addition, I am interested in the physical, geological and chemical processes on exotic worlds, like Saturn's moon Titan. How do the climates of such worlds evolve, and what kinds of geologic features would they produce on the landscape?

  • Dr Lynn J. Rothschild

    Dr Lynn J. Rothschild

    Adjunct Professor, Earth & Planetary Sciences

    BioLynn J. Rothschild, a research scientist at NASA Ames and Adjunct Professor at Stanford, is a passionate astrobiologist focusing on the origin and evolution of life on Earth and elsewhere especially in the context of the physical environment, while at the same time pioneering the use of synthetic biology to enable space exploration. A graduate of Yale, Indiana University and Brown, she has brought her imagination and creativity to the burgeoning field of synthetic biology, articulating a vision for the future of synthetic biology as an enabling technology for NASA’s missions, including human space exploration and astrobiology. From 2011 through 2019 she served as the faculty advisor of the award-winning Stanford-Brown iGEM (international Genetically Engineered Machine Competition) team, which has pioneered the use of synthetic biology to accomplish NASA’s missions, particularly focusing on the human settlement of Mars, and such innovative technologies as biomining, mycotecture, BioWires, making a biodegradable UAS (drone) and an Astropharmacy. Current funded projects include developing an on-demand, personalized Astropharmacy, mycotecture and a detoxification system for perchlorates. Her lab tested select plans in space on in the PowerCell secondary payload on the DLR EuCROPIS satellite. A past-president of the Society of Protozoologists, she is a fellow of the Linnean Society of London, The California Academy of Sciences and the Explorer’s Club. She was awarded the Isaac Asimov Award from the American Humanist Association, and the Horace Mann Award from Brown University. She has been a NASA Innovative Advanced Concepts (NIAC) fellow five times. Lynn is an Adjunct Professor in Molecular Biology, Cell Biology and Biochemistry at Brown University. She frequently appears on documentaries, TV and radio, and lectures worldwide, including Windsor Castle, Comi Con, TechFestival and the Vatican, and debated de-extinction for an Intelligence Squared USA debate.

  • Laura Schaefer

    Laura Schaefer

    Assistant Professor of Earth and Planetary Sciences and, by courtesy, of Geophysics

    Current Research and Scholarly Interestsearly Earth atmosphere; planetary differentiation; rocky exoplanet atmospheric chemistry; planetary interiors; atmosphere-interior exchange on Earth-like planets; planetary habitability; Venus atmospheric evolution; volcanic gases on Io and volatile loss

  • Erik Sperling

    Erik Sperling

    Associate Professor of Earth and Planetary Sciences, Senior Fellow at the Woods Institute for the Environment and Associate Professor, by courtesy, of Oceans

    Current Research and Scholarly InterestsThe research interests in the Sperling Lab are Earth history and the evolution of life, and the interactions between the biosphere and the geosphere. As such this research can generally be considered paleontology, insofar as paleontology encompasses all aspects of the history of life.

    Consequently, we define our research agenda by the questions we are interested in, rather than the tools used. This research incorporates multiple lines of evidence, and multiple tools, to investigate questions in the history of life. These lines of evidence include fossil data, molecular phylogenetics, sedimentary geochemistry, and developmental and ecological data from modern organisms. Ultimately, the goal is to link environmental change with organismal and ecological response through the lens of physiology.

    Our field research takes place all over the world--current areas include:

    -NW Canada (Yukon and Northwest Territories): Research has been conducted on the early Neoproterozoic Fifteenmile Group, Cryogenian and Ediacaran Windermere Supergroup, and on the Ordovician-Devonian Road River Group in the southern Richardson Mountains
    -Southern Canadian Cordillera: Work here has focused on the early Cambrian Mural Formation and its soft-bodied fauna.
    -England and Wales: Cambrian-Silurian successions in the Welsh Basin
    -Namibia: Ediacaran Nama Group
    -Upwelling zones: We study the oxygen minimum zone offshore California as an analogue for ancient low-oxygen oceans.

  • Jonathan Stebbins

    Jonathan Stebbins

    Professor of Geological Sciences, Emeritus

    Current Research and Scholarly Interestsstructure and dynamics of crystalline, glassy, and molten inorganic materials and how these relate to geologically and technologically important properties and processes; solid state Nuclear Magnetic Resoance (NMR); mineralogy; igneous petrology; glass science