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Geophysics

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August 2017

Heiland Lecture: Simultaneous and coded seismic sources: present and upcoming technologies

August 23, 2017 @ 4:00 pm - 5:00 pm
Center for Technology and Learning Media (CTLM), 1650 Arapahoe St.
Golden, CO 80401 United States
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Dr. Raymond Abma of BP America in Houston, Texas, is the Society of Exploration Geophysicists' 2017 3Q/4Q Distinguished Lecturer. 102 CTLM Simultaneous source seismic surveys, using a method referred to as source blending, use more than one seismic source at a time. This technology is part of the progression of seismic surveys to obtain denser sampling and better seismic images. Simultaneous sourcing uses multiple seismic sources, producing seismic signals that overlap with the signals from the other seismic sources. This…

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September 2017

Heiland Lecture: Amos Nur, Stanford University

September 6, 2017 @ 4:00 pm - 5:00 pm
Center for Technology and Learning Media (CTLM), 1650 Arapahoe St.
Golden, CO 80401 United States
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Dr. Amos Nur is Wayne Loel Professor of Earth Sciences at Stanford University. Host: Associate Professor Brandon Dugan CTLM 102

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Heiland Lecture: Earth, wind and fire (and water): Monitoring volcanoes with mechanical waves of all flavors

September 13, 2017 @ 4:00 pm - 5:00 pm
Center for Technology and Learning Media (CTLM), 1650 Arapahoe St.
Golden, CO 80401 United States
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Dr. Matthew Haney is a research geophysicist with the U.S. Geological Survey and Alaska Volcano Observatory in Anchorage, specializing in volcano seismology. Host: Professor Yaoguo Li CTLM 102

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Heiland Lecture: Gas hydrates in marine sediments from source to sink

September 20, 2017 @ 4:00 pm - 5:00 pm
Center for Technology and Learning Media (CTLM), 1650 Arapahoe St.
Golden, CO 80401 United States
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Dr. Hugh Daigle is assistant professor of petroleum and geosystems engineering at the University of Texas at Austin. Host: Associate Professor Brandon Dugan CTLM 102 As interest has grown in recent years in exploiting gas hydrates as an energy resource, we have learned more and more about the science questions surrounding their provenance and accumulation. Researchers have observed worldwide that hydrates form preferentially in coarser-grained sediments, and this has been ascribed to more favorable thermodynamic conditions in the larger pores…

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October 2017

Heiland Lecture: Ronald Breitmeyer, University of Nevada, Reno

October 4, 2017 @ 4:00 pm - 5:00 pm
Center for Technology and Learning Media (CTLM), 1650 Arapahoe St.
Golden, CO 80401 United States
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Dr. Ronald Breitmeyer is assistant professor of geological sciences and engineering at the University of Nevada, Reno. Host: Assistant Professor Whitney Trainor-Guitton CTLM 102

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Heiland Lecture: Slips, Screams, and Migrating Things: Repeating earthquakes as a toolbox to understand and monitor volcanoes

October 11, 2017 @ 4:00 pm - 5:00 pm
Center for Technology and Learning Media (CTLM), 1650 Arapahoe St.
Golden, CO 80401 United States
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Dr. Alicia Hotovec-Ellis is a research geophysicist with the U.S. Geological Survey's Volcano Science Center in Menlo Park, California. Host: Professor Roel Snieder CTLM 102 Repeating earthquakes are a nearly ubiquitous feature of the seismicity at active and erupting volcanoes worldwide. A seismic source is persistently reactivated, producing nearly identical waveforms that can be identified and clustered by cross-correlation methods. Changes in the timing, location, and waveforms of these earthquakes can be informative about ongoing and evolving processes within a…

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Heiland Lecture: Multi‐physics Inversion for Reservoir Monitoring

October 18, 2017 @ 4:00 pm - 5:00 pm
Center for Technology and Learning Media (CTLM), 1650 Arapahoe St.
Golden, CO 80401 United States
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Heiland lecture flyer for Dr. Hoversten with Bio info.

Dr. G. Michael Hoversten, Senior Geophysical Consultant for CoRE Leveraged Research in Chevron, California. Abstract: The decline in the price of hydrocarbons has resulted in a change in exploration/production strategies for many companies.  The focus has shifted from expensive deep water exploration and production to production from known land based resources.  The relatively high cost of seismic acquisition coupled with the often low seismic sensitivity to fluid changes in these reservoirs has led to an exploration of alternative geophysical techniques…

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Heiland Lecture: Dr. Danny Brothers

October 25, 2017 @ 4:00 pm - 5:00 pm
Center for Technology and Learning Media (CTLM), 1650 Arapahoe St.
Golden, CO 80401 United States
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Dr. Danny Brothers, Research Geophysicist, U.S. Geological Survey's Pacific Coastal and Marine Science Center in Santa Cruz, CA   Marine Geophysical and Geological Investigation of the Queen Charlotte-Fairweather Fault System, aka “The San Andreas of the North” The strike-slip boundary between the North American and Pacific plates consists of the famed San Andreas Fault in California, but also the lesser-known Queen Charlotte-Fairweather Fault (QCFF), which lies almost entirely beneath the waters offshore southeastern Alaska and British Columbia. The QCFF defines…

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November 2017

Heiland Lecture: Dr. Johannes Baptist Stoll

November 1, 2017 @ 4:00 pm - 5:00 pm
Center for Technology and Learning Media (CTLM), 1650 Arapahoe St.
Golden, CO 80401 United States
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"UNMANNED AIRCRAFT SYSTEMS AND THEIR APPLICATION IN EXPLORATION GEOPHYSICS" Dr. Johannes Baptist Stoll, Mobile Geophysical Technologies, Germany. Over the past decade, notable progress has been made in the performance of Unmanned Aircraft Systems (UAS). Now the challenge is to make them useful for geoscientific observat ion and to determine where they are the most applicable to the exploration industry. Because of recent technological advancements and legislation this UAS business is ready to rapidly expand. Thanks to the smartphone industry and advanced…

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Heiland Lecture: Dr. Juan-Mauricio Florez

November 8, 2017 @ 4:00 pm - 5:00 pm
Center for Technology and Learning Media (CTLM), 1650 Arapahoe St.
Golden, CO 80401 United States
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“Rock Physics Templates in AI-GI and Extended Elastic Impedance Domains”   Dr. Juan-Mauricio Florez, Geoscience Manager, BHP Billiton Petroleum in Houston, Texas.   "Rock physics templates (RPT) in both AI-GI and extended elastic impedance (EEI) domains as a framework for modeling, constraining and interpreting both band-limited and model-based AVO inversion results. We briefly review the concept of gradient impedance (or impedance gradient) as an AVO attribute linked to the concept of elastic impedance (EI). We outline the process of building…

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Heiland Lecture: Dr. Isabella Velicogna

November 29, 2017 @ 4:00 pm - 5:00 pm
Center for Technology and Learning Media (CTLM), 1650 Arapahoe St.
Golden, CO 80401 United States
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"Weighting climate change from space” Dr. Isabella Velicogna, Chancellor's Fellow & Professor of Dept of Earth System Science, University of California, Irvine   The GRACE time-variable gravity satellite mission has provided unprecedented detail about the mass balance of ice sheets and glaciers and ice caps since 2002 on a monthly basis until 2017. The data show that the mass loss has been increasing with time and spreading around Greenland. We find an excellent agreement between GRACE results and estimates from the…

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December 2017

Heiland Lecture: Two-Phase Fluid Flow in Source Rocks: Insights Gained From Nanofluidics

December 6, 2017 @ 4:00 pm - 5:00 pm
Center for Technology and Learning Media (CTLM), 1650 Arapahoe St.
Golden, CO 80401 United States
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  Two-Phase Fluid Flow in Source Rocks: Insights Gained From Nanofluidics Dr. Carlos Torres-Verdin, Professor of Petroleum and Geosystems Engineering at the University of Texas at Austin. Source rocks exhibit two-phase fluid storage and flow behavior that significantly departs from that of conventional reservoirs because of nanometer-size throat confinements. It is important to quantify two-phase flow in source rocks because of its implications on drainage volume and recovery factors via primary or secondary means. The nanometer range of throat sizes…

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January 2018

Heiland Lecture: Eileen Rose Martin

January 10, 2018 @ 4:00 pm - 5:00 pm
Coolbaugh Hall, 1012 14th St.
Golden, CO 80401 United States
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 “Scalable seismic monitoring with fiber optics beneath our feet” Eileen Martin, Ph.D. Candidate, Geophysics Department at Lawrence Berkeley National Laboratory   Continuously recording, dense seismic arrays could help us better understand earthquake and landslide hazards, permafrost thaw, our hydrological cycle, and near surface changes at energy production sites. But such arrays have typically been expensive to maintain long-term and are logistically difficult to install in populated areas. We combine two methods to make continuous subsurface monitoring significantly cheaper: estimating wave equation…

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Heiland Lecture: SEG DL: Dr. William W. Symes

January 17, 2018 @ 4:00 pm - 5:00 pm
Coolbaugh Hall, 1012 14th St.
Golden, CO 80401 United States
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 “Advanced imaging for practitioners” Dr. William W. Symes, Rice University, Houston, TX   Seismic migration has been a core geophysical technology for more than 50 years and continues to evolve in its capacity to reveal detailed quantitative information about the sedimentary earth. Integration of ever more accurate and complete seismic wave physics, more precise numerical methods, and rapidly improving computer hardware and software environments have made formerly “advanced” methods such as prestack reverse time migration (RTM) relatively routine. This lecture…

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Heiland Lecture: Dr. Hendratta Ali

January 24, 2018 @ 4:00 pm - 5:00 pm
Coolbaugh Hall, 1012 14th St.
Golden, CO 80401 United States
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 “Apprenticeship programs to foster student’s professional development” Dr. Hendratta Ali, Associate Professor of Geosciences (Petroleum Geology)   Geoscience related disciplines serve interests in various applied fields and provide unique opportunities for learning in a variety of settings including; classroom, laboratory, outdoors, and internships. However, challenges persist in our ability to engage incoming students whose first encounter with geosciences and related fields often occur in college. Few students have experience with, or the opportunity to engage with apprenticeships. Unlike other learning…

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Heiland Lecture: Dr. Philippe Lognonne

January 31, 2018 @ 4:00 pm - 5:00 pm
Coolbaugh Hall, 1012 14th St.
Golden, CO 80401 United States
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“New Frontiers of Planetary Seismology” Dr. Philippe Lognonné, Institut de Physique du Globe de Paris, Université Paris Diderot-Sorbonne Paris Cité, France   About 45 years ago seismology started its escape from Earth, with not only the first successful installation of a seismometer on the Moon by the Apollo missions but also with the first observations of seismic waves in the ionosphere, 250 km or more above Earth surface. Our journey to today’s research at these frontiers of seismology will start…

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February 2018

Heiland Lecture: Dr. Andrew Valentine

February 14, 2018 @ 4:00 pm - 5:00 pm
Coolbaugh Hall, 1012 14th St.
Golden, CO 80401 United States
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“What can the data science revolution do for geoscience?” Dr. Andrew Valentine, Australian National University   The modern world is built on machine learning and data science: an explosion of research activity has resulted in mathematical tools that underpin financial trading, enable self-driving cars, and help you select films on Netflix. Supporting this is a wealth of innovative research within the fields of statistics and computer science. How can these ideas benefit geoscience? In this talk I will highlight a variety…

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Heiland Lecture: Dr. Heiner Igel

February 21, 2018 @ 4:00 pm - 5:00 pm
Coolbaugh Hall, 1012 14th St.
Golden, CO 80401 United States
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 “Earth’s Rock and Roll: Understanding rotational ground motions” Dr. Heiner Igel, Professor of Seismology, Department of Earth Sciences, Ludwig-Ludwig-Maximilians-University Munich, Germany When the ground shakes from earthquakes, the oceans, or the atmosphere, it not only translates (up-down, sideways), but also undergoes rotational motions. To fully characterize seismic sources and wave fields theoreticians have insisted for decades that these motions should also be measured. However, this was hampered by the substantial technical difficulties in observing rotational motions with the necessary sensitivity.…

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Special Seminar: Professor Heiner Igel

February 22, 2018 @ 9:00 am - 12:00 pm
Ben H. Parker Student Center, 1200 16th St.
Golden, CO 80401 United States
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 “Computational Seismology: A Very Short Introduction” Dr. Heiner Igel, Professor of Seismology, Department of Earth Sciences, Ludwig-Ludwig-Maximilians-University Munich, Germany What is under the hood of current seismic simulation software aiming at 3-D wave propagation solutions? The goal of this lecture is to teach elements of numerical methods that constitute current elastic wave simulation software. The methods we will discuss include the finite-difference method, aspects of pseudospectral methods and the spectral element method, as well as the Discontinuous Galerkin Method. We will address questions like:…

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Heiland Lecture: Dr. Adam Schultz

February 28, 2018 @ 4:00 pm - 5:00 pm
Coolbaugh Hall, 1012 14th St.
Golden, CO 80401 United States
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  “The 3-D Magnetotelluric Array Revolution – Insights into the role of hydrous and magmatic fluids in continental evolution and natural hazards at convergent margins, along hotspot traces, at the passive margin and in the continental interior” Dr. Adam Schultz, Professor of Geophysics, Oregon State University & Chief Scientist, Pacific Northwest National Laboratory   Substantial advances in 3-D inversion of electromagnetic induction data over the past decade-and-a-half, coupled with sustained support for large-scale 3-D magnetotelluric (MT) array data acquisition efforts have…

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March 2018

Heiland Lecture: Dr. Les Hatton

March 7, 2018 @ 4:00 pm - 5:00 pm
Coolbaugh Hall, 1012 14th St.
Golden, CO 80401 United States
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  “Conservation of Information in Proteins, Software, Music, Texts, the Universe and Chocolate boxes” Dr. Les Hatton, Emeritus Professor of Forensic Software Engineering at Kingston University Charles Darwin, jointly with Alfred Russell Wallace, introduced their theory of Natural Selection at the Linnean Society on 1st July 1858.  Today, it defines evolutionary thought through and beyond the discovery of the double helix in 1953 and the development of modern genetics.  However, there are features of life, for example the recently-discovered remarkable constancy…

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Heiland Lecture: Dr. Bill Abriel

March 14, 2018 @ 4:00 pm - 5:00 pm
Coolbaugh Hall, 1012 14th St.
Golden, CO 80401 United States
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“The digital model revolution in petroleum geophysics” Dr. Bill Abriel, Orinda Geophysical, SEG Past President   This presentation is intended to illustrate, by example, how digital earth models have revolutionized the practice of applied geophysics in petroleum management and predicts the road ahead for geophysicists. The talk tracks the evolution and future of the use of the necessary conceptual, mathematical and digital subsurface models. Examples of past, current and future model paradigms are illustrated for defining structure, stratigraphy, fluid dynamics and…

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Geophysics Lunch & Learn, March 16, 2018

March 16, 2018 @ 12:00 pm - 1:00 pm
Coolbaugh Hall, 1012 14th St.
Golden, CO 80401 United States
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Geopjysics lunch & Learn with Dr. Abriel
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Heiland Lecture: Dr. Philip Nelson

March 21, 2018 @ 4:00 pm - 5:00 pm
Coolbaugh Hall, 1012 14th St.
Golden, CO 80401 United States
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  “Putting a price on carbon--who wants it, when, how, and how much?” Dr. Philip Nelson, Citizens Climate Lobby Numerous pathways are being pursued to reduce the release of carbon dioxide into the atmosphere.  Economists favor a price on carbon; many governments are implementing or considering a price on carbon.  Other supporters of a price on carbon include academic institutions, major corporations (including international oil and gas firms), and a wide variety of civic organizations.  In the U.S., the tension between…

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April 2018

Heiland Lecture: Dr. James Clark

April 11, 2018 @ 4:00 pm - 5:00 pm
Coolbaugh Hall, 1012 14th St.
Golden, CO 80401 United States
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“Inexpensive Geophysical Instruments for Groundwater Exploration in Developing Nations” Dr. James A. Clark, Professor of Geology, Department of Geology & Environmental Science, Wheaton College, Wheaton, IL   Inexpensive geophysical instruments can help meet an urgent need for cost-effective siting of water wells in developing nations. I have developed simple resistivity and seismic refraction instruments that are useful in shallow (< 30 m) hydrogeology studies. In addition my free software can be used to interpret data recorded by the instruments and predict…

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Heiland Lecture: Dr. Susan Hubbard

April 18, 2018 @ 4:00 pm - 5:00 pm
Coolbaugh Hall, 1012 14th St.
Golden, CO 80401 United States
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“New Approaches For Characterizing Watershed Structure and Function” Dr. Susan Hubbard, Lawrence Berkeley National Laboratory, Berkeley, CA   Quantifying how terrestrial systems respond to climate change and other perturbations is challenging due to the complexity of associated processes that occur from bedrock-to-canopy and over a wide range of spatial and temporal scales. This presentation will describe the development of several new approaches to help bridge these compartments and scales. The new approaches integrate disparate geophysical, hydrological, geochemical and microbial datasets, many…

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Heiland Lecture: Dr. Rob Evans

April 25, 2018 @ 4:00 pm - 5:00 pm
Coolbaugh Hall, 1012 14th St.
Golden, CO 80401 United States
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Rob Evans

  “Groundwater in Coastal and Continental Shelf Settings: The use of Electromagnetic Methods to Map Offshore Water Resources” Dr. Rob Evans, Geology & Geophysics, Woods Hole Oceanographic   4:00 p.m. at Coolbaugh Hall 209 Host: Professor Brandon Dugan

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Special Heiland Lecture

April 30, 2018 @ 4:00 pm - 5:00 pm
Coolbaugh Hall, 1012 14th St.
Golden, CO 80401 United States

Dr. Lucia Gualtieri, Postdoctoral Research Associate at Princeton University, will present a Special Heiland Lecture titled, "Listening to the Environment with Seismic Waves."

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