DOCSLIB.ORG

Community​ ​Advice​ ​To​ ​Young​ ​Hydrologists

Total Page：16

File Type：pdf, Size：1020Kb

Download full-text PDF Read full-text
Community​ ​Advice​ ​To​ ​Young​ ​Hydrologists Community advice to young hydrologists ​ ​ ​ ​ ​ ​ ​ ​ Community advice to young hydrologists ​ ​ ​ ​ ​ ​ ​ ​ Scott T. Allen and Wouter R. Berghuijs ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ETH Zurich ([email protected] [email protected]) ​ ​ ​ ​ ​ ​ ​​ Published 17 October 2017 ​ ​ ​ ​ ​ ​ Early career hydrologists can benefit from the advice of others who are more advanced in their careers. We have solicited short answers from established hydrologists to (one or more of) the following questions: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Q1. What book or paper has been most influential to your career and why? ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Q2. If I could only work on one problem in hydrology it would be […], because […] ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Q3. What is your golden tip for current early career scientists? ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Q4. What (avoidable) mistakes did you make early in your career? ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Q5. How can young scientists improve their writing or presentations? ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ We thank all hydrologists that have been so generous to share their knowledge, and took the effort to respond. The advice here reflects a diversity of philosophies that have led to wide variety of careers. All responses are listed below (in alphabetical order). Enjoy reading! ​ ​ ​ ​ ​ ​ We welcome more advice! You never know who it will help or inspire. Submissions can be added in the comments ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ section on the website’s version of this article, available at www.younghs.com ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​​ physical chemistry. Brian Berkowitz (Weizmann Q1. What book or paper has been most ​ influential to your career and why? Institute of Science) ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Q1. Groundwater by Freeze and Cherry – this Q1. The most important influence was a person – Mike textbook, now out of print, was a critical reference as I Kirkby and particularly the undergraduate course on began my graduate training in hydrogeology and I still quantitative hydrology he taught at the University of refer to it today. Jean Bahr (University of Wisconsin) Bristol when I was taking my degree there (later, I ​ ​ ​ ​ ​ ​ ​ ​​ ​ ​ ​ ​ ​ ​ ​ ​ would do a post-doc with him at Leeds that resulted in Q1. I can think of no single one. However, papers that the development of Topmodel). That gave me a lot of were a combination of field observations and clever reading to do – but it was probably not the hydrological analyses leading to new insights always are intriguing. reading that had most influence, but rather the papers Papers which I find of little value are those that on theoretical geomorphology starting with Horton propose a new modeling approach with little to no field BGSA 1945, then picked up by Kirkby, Frank Ahnert verification, or which use existing models to reach and others in the late 1960s. I struggled to understand some conclusion. For example, we seem to be seeing a them (at the time I wanted to be a geomorphologist but proliferation of papers using complex models to I have never quite finished getting the water part right) highlight some “new” effect of climate change on the but they left me the idea that it was possible to theorise hydrologic cycle, with no grounding in hindcasts. (See about environmental processes and systems in approximate but useful ways. this, also) The musings of Keith Beven always have ​ ​ ​ ​ ​ ​ been insightful, including his Advice to a Young Hydrologist. Jerad Bales (CUAHSI) During my PhD the most influential paper was ​ ​​ ​ ​ ​ ​ undoubtedly Freeze and Harlan JH 1968, and the Q1. I can’t identify single “most influential” books or papers about the field site I was applying my model to papers – I learned early to read as widely as possible, by Darrell Weyman (HSB 1970, IAHS 1973). If I had and not just within narrow/specific research problems talked to him a little more (he was doing his PhD at of direct interest. I have been inspired by a range of Bristol while I was an undergraduate) or read those articles – including books on philosophy, history of papers more carefully, then I might have been more realistic in my PhD modelling. physics, etc. – which broadened my approach and ways ​ ​ ​ ​ ​ ​ ​ ​ of looking at a given problem. Indeed, some of my most influential work developed from studying The most important book at that time was Zienkowicz, methods and approaches in statistical physics and Finite Element Modelling (that was the technique I was 1 Community advice to young hydrologists ​ ​ ​ ​ ​ ​ ​ ​ trying to master). Hillslope Hydrology edited by Kirkby Q1. Ecological and General Systems – H.T. Odum. was also important but came later. Keith Beven This book explores general systems theory in the ​ (Lancaster University) context of ecosystem behaviors. It is holistic, ​ ​ comprehensive, and full of important insights about the Q1. Paper: Scale of Fluctuation of rainfall models by I. structure and dynamics of systems. Matthew Cohen ​ Rodriquez-Iturbe. It formed the basis for my MSc (University of Florida) ​ ​ ​ ​ research that I did during 11 months in Davis California (As a Dutch Student from Wageningen). It Q1. It is a novel by Milan Kundera: “Slowness”. My was extremely difficult stuff, but I kept on it and it natural tendency is to rush up, be as fast as possible, understanding gave me the stamina to really dig into a quickly fix things... Yet, speed often leads to miserable subject. It was the basis for my first paper entitled outcomes. Many lines of Kundera’s book are still in my “Analytically derived runoff models based on rainfall mind, and they work as a continuous reminder for me point processes” in WRR. To obtain better background that only slowness allows thoughtful consideration, I also read in depth the influential. Book: Random serious reflection, and appreciation of reality. Realizing Functions and Hydrology by R. Bras and I. this has strongly influenced my academic career as it Rodriquez-Iturbe”. Marc Bierkens (Utrecht made me focus on the quality (and not the quantity) of ​ University) my work. Giuliano Di Baldassarre (Uppsala ​ University) Q1. Dooge' 1986 Looking for hydrologic laws in WRR. This paper gives a broad perspective on science, Q1. Several hydrogeology-related texts were very including scales. Günter Blöschl (TU Vienna) helpful for me. These include some of Mary Hill's ​ ​ ​ ​​ ​ ​ ​ ​ ​ ​ papers, John Doherty's PEST manual (as much for the Q1. Konrad and Booth (2005), Hydrologic changes in philosophy as the instruction), some of Jasper Vrugt's urban streams and their ecological significance, early papers, and work by both Wolfgang Novak and American Fisheries Society Symposium, 47:157-177. Steve Gorelick on measurement design. The real This paper is a bit outside my area of expertise, but I recommendation would be to find authors that you think the linkage they make between physically enjoy and read as much of their work as possible - in measurable streamflow changes and stream ecology this category, I would add Shlomo Neuman, Randy represents a fundamental shift in thinking from Hunt, Hoshin Gupta, Dani Or, Keith Beven and engineering hydrology to more of an eco-hydrology Graham Fogg. I am sure that I am forgetting more than perspective. They illustrated that we need to go I have listed. I think it is equally important to read beyond analyzing just changes in peak flow or low broadly. Rather than provide a list, I'll encourage you to flows (or fixed percentiles), to look at more derived look at my recent paper in Ground Water (Sept 2016) metrics that better capture hydrologic regime change. for some suggestions! Ty Ferre (The University of ​ Laura Bowling (Purdue University) Arizona) ​ ​ ​ ​ ​ ​ Q1. That is a very hard question. As a Geography Q1. Book: Groundwater Hydrology by David Keith undergraduate student, I had to write a particular essay Todd, 1st edition, 1959. As a 3rd-year undergraduate in on the "all models are wrong" theme and this involved hydrology at University of New Hampshire in 1973, critiquing two papers which completely changed my this book (and course by Francis Hall) kindled my worldview about models and modelling: Konikow and interest in groundwater and completely changed my Bredehoeft's 1992 'Ground-water models cannot be career path, which previously was essentially an aimless validated' Advances in Water Resources 15(1):75-83. sleepwalk through my major in mathematics. ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ and Beven's 1989 'Changing ideas in hydrology - the case of physically-based models' Journal of Hydrology. ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Paper/report: Kaiser, W. R., Johnston, J. E., and Bach, W. N.. 1978, Sand-body geometry and the occurrence But in the last year I would say it has been Lab Girl by of lignite in the Eocene of Texas: The University of Hope Jahren (2016) who is a gifted and talented Texas at Austin, Bureau of Economic Geology scientist and writer and has the knack of intertwining Geological Circular 78-4, 19 p. This paper the natural world with tales of remaining brave in your demonstrated in stunning detail how modern borehole career. I wish I'd had the opportunity to read it earlier geophysical data together with understanding of the in my career. Hannah Cloke (University of Reading) ​ ​ ​ ​ ​ ​​ ​ ​ ​ ​ ​ ​ ​ ​ geologic genesis of sedimentary deposits could be used to create unprecedented subsurface maps of 2 Community advice to young hydrologists
Load more

Recommended publications
  • Suitability of Archie's Law for Interpreting Electrical Resistivity Data
    Advances in Geophysical Tools for Estimating Hydrologic Parameters and Processes Kamini Singha Hydrologic Science and Engineering Colorado School of Mines With contributions from: Andrew Binley, Fred Day-Lewis, Tim Johnson, Niklas Linde, Burke Minsley, Dale Rucker, Frédéric Nguyen, Jonathan Nyquist, Adam Pidlisecky, Lee Slater, Remke Van Dam, Jan van der Kruk Motivation Need to quantify the operation of aquifer parameters controlling flow and transport • To determine availability of water for removal • To assess risk & create schemes for contaminant cleanup hydraulic contaminant conductivity concentration high Z Z Y low X [Singha, CSM] X Motivation The problem… [Hartman et al., JCH, 2007] [British Geological Survey, 2004] [Binley, Lancaster] [British Geological Survey, 2004] Motivation We have these: [Binley, Lancaster] Motivation Or we might be lucky and have one of these: [LeBlanc et al., 1991, WRR, Large-scale natural gradient tracer test in sand and gravel, Cape Cod, Massachusetts, 1, Experimental design and observed tracer movement] Advantages of Geophysics Geophysics offers advantages over conventional sampling to the hydrologist because of: High data sampling density Relative lower cost of measurements Minimally invasive Larger measurement volume [Binley, Lancaster] Acquisition approaches Scale of measurement near this end of the chart provide low resolution information over large spatial extents m 4 Airborne/Satellite to 10 to 1 (G, H) 10 Surface Geophysics 2 2 ~ (G) Crosshole to 10 to 2 measurements (G,H) - Wellbore and well tests (H) ~10 Logging (G,H) 1 - Core Measurements to 10 to 4 (G,H) - SCALES OF INVESTIGATION OF SCALES Point Laboratory or Local Regional or Local Laboratory ~10 ~10-3 to 1 ~10-1 to 10 ~10 to 102 m Acquisition approaches near this end of the High Moderate Low chart provide high resolution RELATIVE RESOLUTION information over small spatial extents [Rubin and Hubbard, 2005, Hydrogeophysics] History Early geophysical studies concentrated on defining lithological boundaries and other subsurface structures.
    [Show full text]
  • Newsletter 2012
    GEOLOGY & GEOLOGICAL ENGINEERING December, 2012 Volume 22 Greetings from Berthoud Hall! 250 applicants; about 40 new grad students chose to study with us this year. We are seeing similar or greater applicant numbers this year. Overall this means quality continues to As we welcome the increase; our graduate students are the cornerstone of our new year of 2013, departmental research efforts. the Department extends to you our The continued interest in the Department, and in the most sincere geosciences and geoengineering in general, is likely the greetings and result of increased awareness of just how important the warmest wishes. It Earth and its resources are for today’s globally integrated gives us great society. Colorado School of Mines is strategically positioned pleasure to publish to answer society’s call for rational scientiJic analysis and and distribute this politically and socially adroit engineering solutions. Of year’s Newsletter of course, the School’s focus areas of Earth, Energy, and the Department of Environment place Geology and Geological Engineering at Geology and Geological Engineering. This is our opportunity the forefront of the School’s efforts. to share with you the 2012 activities of our highly active and engaged faculty, students, and staff. As you’ll read in It seems like every this Newsletter, we’ve had another exceptional year and year brings we’re proud to show it off in this issue! There have been changes to our some exciting changes in the Department and the School, as staff. For a present you will see. “snapshot” at the end of 2012, we What we do in the Department continues to be in very high have 18 academic demand.
    [Show full text]
  • Gorelick Resume August 2021
    STEVEN M. GORELICK AUGUST 2021 CYRUS F. TOLMAN PROFESSOR Stanford University Phone: (650) 725-2950 Dept. of Earth System Science 450 Serra Mall, Bldg. 320, Room 118, Stanford, CA 94305-2115 Email: [email protected] EDUCATION Ph.D. Hydrology, Stanford University, 1981 M.S. Hydrology, Stanford University, 1977 B.A. New College, 1975 PROFESSIONAL EXPERIENCE 2007-present Professor of Earth System Science (renamed 2015), Stanford University 2010-present Senior Fellow, Woods Institute for the Environment, Stanford University 2005-present Cyrus F. Tolman Professor, Stanford University 2009 - present Director, Global Freshwater Initiative, Stanford University 1996-2007 Professor, Dept. of Geological & Environmental Sciences and Dept. of Geophysics, Stanford University (joint appointment) 2019 Visiting Professor, Swiss Federal Institute of Technology ETH Zurich (Spring) 2013 Visiting Professor, Swiss Federal Institute of Technology ETH Zurich (Spring) 2012 Visiting Professor, Centre for Ecohydrology, UWA, Perth, AU (Spring) 2009 Visiting Scientist, CSIRO, Land and Water, Perth, AU (Spring-Summer) 2007 Visiting Scholar, University of Cambridge, Dept. of Zoology (Spring-Summer) 2006 Visiting Professor, Ecole Polytechnique Federale de Lausanne (EPFL), Ecological Engineering Laboratory, Switzerland (Spring-Summer) 2005 Visiting Professor, Swiss Federal Institute of Technology (ETH), Zurich (Spring) 1997 Visiting Scholar, Harvard University, Division of Engineering and Applied Sciences (Winter) 1997 Visiting Scientist, CSIRO, Perth, AU (Spring-Fall)
    [Show full text]
  • Borehole-Geophysical Investigation of the University of Connecticut Landfill, Storrs, Connecticut
    Borehole-Geophysical Investigation of the University of Connecticut Landfill, Storrs, Connecticut Water-Resources Investigations Report 01-4033 TEMPERATURE MECHANICAL GAMMA ACOUSTIC OPTICAL SPECIFIC and ACOUSTIC CONDUCTIVITY TELEVIEWER TELEVIEWER CONDUCTANCE CALIPERS Prepared in cooperation with the University of Connecticut U.S. Department of the Interior U.S. Geological Survey Cover: Borehole-geophysical logs from a section of borehole MW109R, University of Connecticut landfill study area, Storrs, Connecticut. U.S. Department of the Interior U.S. Geological Survey Borehole-Geophysical Investigation of the University of Connecticut Landfill, Storrs, Connecticut By Carole D. Johnson, F.P. Haeni, John W. Lane, Jr., and Eric A. White Water-Resources Investigations Report 01-4033 Prepared in cooperation with the University of Connecticut Storrs, Connecticut 2002 U.S. DEPARTMENT OF THE INTERIOR GALE A. NORTON, Secretary U.S. GEOLOGICAL SURVEY Charles G. Groat, Director The use of firm, trade, and brand names in this report is for identification purposes only and does not constitute endorsement by the U.S. Government. For additional information write to: Copies of this report can be purchased from: Branch Chief U.S. Geological Survey U.S. Geological Survey Branch of Information Services 11 Sherman Place, U-5015 Box 25286, Federal Center Storrs Mansfield, CT 06269 Denver, CO 80225 http://water.usgs.gov/ogw/bgas http://www.usgs.gov CONTENTS Abstract......................................................................................................................................................................
    [Show full text]
  • A Tale of Two Porosities: Exploring Why Contaminant Transport Doesn’T Always Behave the Way It Should Presented by Kamini Singha, Ph.D
    The Canterbury Branch of the Royal Society of New Zealand, Aqualinc and the Waterways Centre for Freshwater Management present The 2017 Darcy Lecture A Tale of Two Porosities: Exploring Why Contaminant Transport Doesn’t Always Behave the Way It Should Presented by Kamini Singha, Ph.D. Wednesday, August 30, 2017 5:30 pm nibbles, tea/coffee 6:30- 7:30 pm Presentation C3 Lecture Theatre University of Canterbury Christchurch All are welcome, no RSVP required. In hydrology, the ability to quantify subsurface transport is an issue of paramount importance due to problems associated with groundwater contamination. Observational challenges and complexity of hydrogeological systems lead to severe prediction challenges with standard measurement techniques. One important example of a prediction challenge is “anomalous” solute-transport behavior, defined by characteristics such as concentration rebound, long breakthrough tailing, and poor pump-and-treat efficiency. Such phenomena are observed but not predicted by classical theory. Numerous conceptual models have been developed to explain anomalous transport, such as the presence of two distinct populations of pores — one where solutes are highly mobile and another where they are not — but verification and inference of controlling parameters in these models in situ remains problematic, and therefore often estimated based on data fitting alone. Recent tests using simple electric geophysical methods directly measure the process of mobile-immobile mass transfer and allow estimation of parameters controlling anomalous transport. This lecture presents a rock-physics framework, an experimental methodology, and analytical expressions that can be used to determine parameters controlling anomalous solute transport behavior from colocated hydrologic and electrical geophysical measurements in a series of settings, including groundwater and surface water/groundwater systems.
    [Show full text]
  • Understanding the Hydrological Response of Changed Environmental Boundary Conditions in Semi-Arid Regions: Role of Model Choice and Model Calibration
    Understanding the Hydrological Response of Changed Environmental Boundary Conditions in Semi-Arid Regions: Role of Model Choice and Model Calibration Item Type text; Electronic Dissertation Authors Niraula, Rewati Publisher The University of Arizona. Rights Copyright © is held by the author. Digital access to this material is made possible by the University Libraries, University of Arizona. Further transmission, reproduction or presentation (such as public display or performance) of protected items is prohibited except with permission of the author. Download date 01/10/2021 01:00:17 Link to Item http://hdl.handle.net/10150/594961 UNDERSTANDING THE HYDROLOGICAL RESPONSE OF CHANGED ENVIRONMENTAL BOUNDARY CONDITIONS IN SEMI-ARID REGIONS: ROLE OF MODEL CHOICE AND MODEL CALIBRATION by Rewati Niraula __________________________ Copyright © Rewati Niraula 2015 A Dissertation Submitted to the Faculty of the DEPARTMENT OF HYDROLOGY AND WATER RESOURCES In Partial Fulfillment of the Requirements For the Degree of DOCTOR OF PHILOSOPHY WITH A MAJOR IN HYDROLOGY In the Graduate College THE UNIVERSITY OF ARIZONA 2015 1 THE UNIVERSITY OF ARIZONA GRADUATE COLLEGE As members of the Dissertation Committee, we certify that we have read the dissertation prepared by Rewati Niraula, titled Understanding the Hydrological Response of Changed Environmental Boundary Conditions in Semi-Arid Regions: Role of Model Choice and Model Calibration and recommend that it be accepted as fulfilling the dissertation requirement for the Degree of Doctor of Philosophy. _____________________________________________________________Date: 11/19/2015 Thomas Meixner ______________________________________________________________Date: 11/19/2015 Hoshin Gupta ______________________________________________________________Date: 11/19/2015 Francina Dominguez ______________________________________________________________Date: 11/19/2015 David P Guertin Final approval and acceptance of this dissertation is contingent upon the candidate’s submission of the final copies of the dissertation to the Graduate College.
    [Show full text]
  • Program Abstracts
    PROGRAM AND ABSTRACTS WASHINGTON HYDROGEOLOGY SYMPOSIUM | Hotel Murano | Tacoma, Washington April 9–11, 2019 www.wahgs.org SCHEDULE OVERVIEW DATE ACTIVITY MONDAY Field Trip: SR530 Landslide Oso, Washington April 8 (8:00 AM - 5:00 PM) TUESDAY First Day of Symposium April 9 Opening Session / Keynote Talk Platform Presentations Exhibits Lunch Provided Poster Session and Reception (early evening) WEDNESDAY Second Day of Symposium April 10 Keynote Talk Platform Presentations Lunch Provided Exhibits and Posters THURSDAY Workshop 1: Conceptual Site Model Development and Translation to April 11 Numerical Models (8:00 AM - 12:00 PM) Workshop 2: Understanding and Addressing Well Performance Issues (8:00 AM - 5:00 PM) Workshop 3: ITRC Guidance: Remediation Management of Complex Sites (1:00 PM - 5:00 PM) FRIDAY Field Trip: Elwha River Restoration Port Angeles, Washington April 12 (8:00 AM - 5:00 PM) 2019 WELCOME elcome to the 12th Washington Hydrogeology Symposium! We are pleased to convene this year’s symposium at the Hotel Murano in Tacoma, Washington. The Hotel Murano is conveniently located in downtown WTacoma. We hope that this Symposium brings together our community of Hydrogeologists and offers you the opportunity to connect with colleagues and build new collaborations. This year’s technical program consists of 52 platform and 12 poster presentations. Specific topics include Hydrogeologic Characterization Methods and Approaches, Natural and Anthropogenic Impacts in River Corridors, and Innovative Remediation Technologies. These presentations will also include sessions and facilitated panels on streamflow restoration and climate change. The 2019 Steering Committee has also put together two informative field trips, giving symposium participants the opportunity to visit and learn about the Geology of the Oso Landslide or the Elwha River Restoration Site.
    [Show full text]
  • NON-INVASIVE FLOW PATH CHARACTERIZATION in a MINING-IMPACTED WETLAND by James C Bethune
    NON-INVASIVE FLOW PATH CHARACTERIZATION IN A MINING-IMPACTED WETLAND by James C Bethune A thesis submitted to the Faculty and the Board of Trustees of the Colorado School of Mines in partial fulfillment of the requirements for the degree of Master of Science (Hydrology). Golden, Colorado Date ______________________ Signed: _________________________ James C Bethune Signed: _________________________ Dr. Kamini Singha Thesis Advisor Golden, Colorado Date _______________________ Signed: _________________________ Dr. David Benson Professor and Program Director Hydrological Science and Engineering Signed: _________________________ Dr. Paul Santi Professor and Department Head Department of Geology and Geological Engineering ii" " ABSTRACT Time-lapse electrical resistivity (ER) is used in this study to capture the annual pulse of acid mine drainage (AMD) contamination, the so-called ‘first-flush’ driven by spring snowmelt, through the subsurface of a wetland downgradient of the abandoned Pennsylva- nia Mine workings in Central Colorado. Data were collected from mid-July to late October of 2013, with an additional dataset collected in June of 2014. ER provides a distributed measurement of changes in subsurface electrical properties at high spatial resolution. In- version of the data shows the development through time of multiple resistive anomalies in the subsurface, which corroborating data suggest are driven by changes in total dissolved solids (TDS) localized in preferential flow pathways. Because of the non-uniqueness inherent to deterministic inversion, the exact geometry and magnitude of the anomalies is unknown, but sensitivity analyses on synthetic data taken to mimic the site suggest that the anoma- lies would need to be at least several meters in diameter to be adequately resolved by the inversions.
    [Show full text]
  • Abbreviated Vita
    BIOGRAPHICAL INFORMATION: ELLEN E. WOHL PRESENT POSITION: Professor of Geology and University Distinguished Professor Dept of Geosciences Colorado State University Ft. Collins, CO 80523 WEBSITES: https://sites.warnercnr.colostate.edu/ellenwohl/ https://sites.warnercnr.colostate.edu/fluvial-geomorphology/ DEGREES: Arizona State University, Tempe, Arizona BS in Geology, 1984 University of Arizona, Tucson, Arizona PhD in Geosciences, 1988 OTHER POSITIONS: 1989-1989 Faculty Research Associate, Dept of Geosciences, University of Arizona 1989-1995 Assistant Professor, Dept of Earth Resources, Colorado State University 1995-2000 Associate Professor, Dept of Earth Resources, Colorado State University MEMBERSHIP IN PROFESSIONAL SOCIETIES: Geological Society of America (Fellow) American Geophysical Union (Fellow) SCHOLARSHIPS, AWARDS, AND HONORS: Graduation with honors from Arizona State University, magna cum laude Sulzer Scholarship (University of Arizona), 1984-1985 Graduate Academic Scholarship (University of Arizona), 1984-1985, 1987-1988 SOCAL Fund Grant (University of Arizona), 1986-1987 Sigma Xi Grant-in-Aid-of-Research, 1986-1987 Geological Society of America Research Grant, 1986-1987 Fulbright-Hays Postgraduate Research Grant, 1986-1987 Butler Scholarship (University of Arizona), 1987-1988 Gladys W. Cole Memorial Award, Geological Society of America, 1995 Fellowship, Japan Society for the Promotion of Science, 1995-1996 Water Center Award for Outstanding Contributions to Interdisciplinary Water Education, Research, and Outreach (Colorado
    [Show full text]
  • Geophysical Constraints on Critical Zone Architecture and Subsurface Hydrology of Opposing Montane Hillslopes
    GEOPHYSICAL CONSTRAINTS ON CRITICAL ZONE ARCHITECTURE AND SUBSURFACE HYDROLOGY OF OPPOSING MONTANE HILLSLOPES by Aaron J. Bandler A thesis submitted to the Faculty and the Board of Trustees of the Colorado School of Mines in partial fulfillment of the requirements for the degree of Master of Science (Hydrology). Golden, Colorado Date _____________________________ Signed: ________________________________ Aaron Bandler Signed: ________________________________ Dr. Kamini Singha Thesis Advisor Golden, Colorado Date _____________________________ Signed: ________________________________ Dr. Terri Hogue Professor and Director Hydrological Science & Engineering Program ii ABSTRACT We investigate the relationship between slope aspect, subsurface hydrology, and critical zone (CZ) structure in a montane watershed by examining the orientations of foliation and fracturing and thicknesses of weathered material on north- and south-facing aspects. Weathering models predict that north-facing slopes will have thicker and more porous saprolite due to colder, wetter conditions, which exacerbate frost damage and weathering along open fractures. Using borehole imaging and seismic refraction, we compare the seismic velocity and anisotropy of north- and south-facing slopes with the orientation of fracturing. Fracturing occurs in the same dominant orientations across slopes, but the north-facing slope has more developed and slightly thicker soil as predicted, while the south-facing slope has thicker and more intact saprolite that is highly anisotropic in the direction of fracturing. Our data support hypotheses that subsurface flow is matrix-driven on north-facing slopes and preferential on south-facing slopes. We attribute thicker saprolite on south-facing slopes to heterogeneity induced by competition between infiltration, topographic stress, and permafrost during Pleistocene glaciation. We provide new constraints on subsurface architecture to inform future models of CZ evolution.
    [Show full text]
  • Vision and Progress Report
    geochemistry The Groundwater Project Online Platform for Groundwater Knowledge A Global Vision towards Understanding the Planet’s Water Resources Vision and Progress Report Version – May 2021 John Cherry, Ying Fan, Allan Freeze, Paul Hsieh, Ineke Kalwij, Doug Mackay, Stephen Moran, Everton de Oliveira, Beth Parker, Eileen Poeter, Warren Wood, Yan Zheng In a call for bold innovation, Zenia Tata (Water Abundance XPRIZE) states: “Water is the universal link between human survival, our climate system and sustainable global development”. The UN Secretary-General's message on World Water Day, on March 22, 2019, stated that 2.1 billion people live without safe water, and that growing demands, coupled with poor management, have increased water stress in many parts of the world. Climate change is adding dramatically to the pressure, and by 2030, an estimated 700 million people worldwide could be displaced by intense water scarcity. The global water crisis is urgent and requires innovation to identify, prioritize, and accelerate global solutions. The focus must include groundwater because it makes up 99% of the Earth's liquid freshwater. The Groundwater Project (GW-Project), a non-profit organization, registered in Canada in 2019, is committed to contribute to advancement in education and brings a new approach to the creation and dissemination of knowledge for understanding and problem solving, relying on experts around the globe to volunteer as authors and reviewers. Motivated by the 1979 textbook “Groundwater” by Dr. Allan Freeze and Dr. John Cherry, hundreds of participants (and growing) from many countries across the Globe are working with a common vision to provide hundreds of digital books and supporting materials, free-of-charge, downloadable at the GW-Project Platform at https://gw-project.org.
    [Show full text]
  • 15460647.Pdf
    View metadata, citation and similar papers at core.ac.uk brought to you by CORE provided by DSpace at VU Integrating Geophysical, Hydrochemical, and Hydrologic Data to Understand the Freshwater Resources on Nantucket Island, Massachusetts Andee Jean Marksamer Submitted to the faculty of the University Graduate School in partial fulfillment of the requirements for the degree Master of Science in the Department of Geological Sciences, Indiana University May 2007 Acknowledgements I would like to thank my committee members, Dr. Mark Person, Dr. Gary Pavlis and Dr. Arndt Schimmelmann for their thorough review and helpful suggestions for this manuscript. I would like to mention a special appreciation to Dr. Mark Person, my faculty advisor, for his continued encouragement and support during my time at Indiana University. The knowledge I’ve gained in both hydrogeology and in basic scientific principles from Dr. Person will be forever remembered and appreciated as I advance through my professional career. In addition to the individuals above, I would also like to thank Dr. John Lane, Dr. Frederick Day-Lewis, Dr. Denis Cohen, Dr. Brandon Dugan, and Dr. Henk Kooi for their contributions to help get my thesis published. I must also give a big thanks to my fellow labmates in the GeoFluids Computational Laboratory for always keeping me smiling even during the long days and late nights in the lab. It is also necessary to recognize Ken Dehart for his help at fixing all the computer problems that I incurred during my time at Indiana University. I would also like to thank the Wannacomet Water Company and Sarah Oktay and Tony Molis of the University of Massachusetts Boston Field Station for their logistical field support.
    [Show full text]