Lauren C Andrews

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Lauren C Andrews

  • Rsch AST, Earth Sciences Remote Sens
  • 301.614.5117
  • NASA/GSFC
  • Mail Code: 615
  • Greenbelt , MD 20771
  • Employer: NASA
  • Brief Bio


    I am an earth scientist with an interest in understanding how water and ice dynamically interact. My current work focuses on how changes in meltwater supply impact the spatial and temporal evolution of the subglacial hydrologic system under the Greenland Ice Sheet. 

    Education

    2015     Doctor of Philosophy
    Jackson School of Geosciences, The University of Texas at Austin, Austin, Texas
    Dissertation: Spatial and temporal evolution of the glacial hydrologic system of the Western Greenland Ice Sheet: Observational and remote sensing results
    Advisor: Dr. Ginny A. Catania

    2007     Bachelor of Arts with honors
    Geology, Carleton College, Northfield, Minnesota
    Thesis: A geochemical analysis of aluminum hydroxides and iron oxides, Little Backbone Creek, Shasta County, California
    Advisor: Dr. Bereket Haileab
     

    Positions/Employment

    2017 - Present

    Research Physical Scientist

    Global Modeling and Assimilation Office (610.1), NASA Goddard Space Flight Center
    2016 - 2017

    NASA Postdoctoral Fellow

    Cryospheric Sciences Laboratory, NASA Goddard Space Flight Center
    2015 - 2016

    Research Scientist Associate V

    University of Texas Institute for Geophysics, University of Texas at Austin
    2009 - 2015

    Teaching and Graduate Research Assistant

    Jackson School of Geosciences, University of Texas at Austin
    2007 - 2009

    Staff Geologist

    VESTRA Resources, Inc., Redding, California
    2006 - 2007

    Geology Laboratory Teaching Assistant

    Carleton College, Northfield, Minnesota

    Awards

    AGU Outstanding Reviewer, 2016
    NASA Postdoctoral Fellowship, NASA GSFC, 2016
    Best PhD Technical Presentation, Jackson School of Geosciences, 2015
    Gale White Fellowship, Institute for Geophysics, 2012
    Devon Energy Corp. Fellowship, Jackson School of Geosciences, 2012
    Ronald K. DeFord Field Scholarship, Jackson School of Geosciences, 2012
    Ewing/Worzel Fellowship, Institute for Geophysics, UT Austin, 2010
    Magna Cum Laude, Carleton College, 2007
    Distinction in the Senior Integrative Exercise, Carleton College, 2007
     

    Publications

    Refereed

    Hoffman, M. J., L. C. Andrews, S. Price, et al. G. A. Catania, T. A. Neumann, M. P. Lüthi, J. Gulley, C. Ryser, R. Hawley, and B. Morris. 2016. "Greenland subglacial drainage evolution regulated by weakly-connected regions of the bed." Nature Communications, 7: Article number: 1390 [10.1038/ncomms13903]

    Lüthi, M. P., C. Ryser, L. C. Andrews, et al. G. A. Catania, M. Funk, R. L. Hawley, M. J. Hoffman, and T. A. Neumann. 2015. "Heat sources within the Greenland Ice Sheet: dissipation, temperate paleo-firn and cryo-hydrologic warming." The Cryosphere, 9 (1): 245-253 [10.5194/tc-9-245-2015]

    Röösli, C., F. Walter, S. Husen, et al. L. C. Andrews, M. P. Lüthi, G. A. Catania, and E. Kissling. 2014. "Sustained seismic tremors and icequakes detected in the ablation zone of the Greenland ice sheet." Journal of Glaciology, 60 (221): 563-575 [10.3189/2014jog13j210]

    Ryser, C., M. P. Lüthi, L. C. Andrews, et al. G. A. Catania, M. Funk, R. Hawley, M. Hoffman, and T. A. Neumann. 2014. "Caterpillar-like ice motion in the ablation zone of the Greenland ice sheet." Journal of Geophysical Research: Earth Surface, 119 (10): 2258-2271 [10.1002/2013jf003067]

    Ryser, C., M. P. Lüthi, L. C. Andrews, et al. M. J. Hoffman, G. A. Catania, R. L. Hawley, T. A. Neumann, and S. S. Kristensen. 2014. "Sustained high basal motion of the Greenland ice sheet revealed by borehole deformation." Journal of Glaciology, 60 (222): 647-660 [10.3189/2014JoG13J196]

    Andrews, L. C., G. A. Catania, M. J. Hoffman, et al. J. D. Gulley, M. P. Lüthi, C. Ryser, R. L. Hawley, and T. A. Neumann. 2014. "Direct observations of evolving subglacial drainage beneath the Greenland Ice Sheet." Nature, 514 (7520): 80–83 [10.1038/nature13796]

    Morriss, B. F., R. L. Hawley, J. W. Chipman, et al. L. C. Andrews, G. A. Catania, M. J. Hoffman, M. P. Luthi, and T. A. Neumann. 2013. "A ten-year record of supraglacial lake evolution and rapid drainage in West Greenland using an automated processing algorithm for multispectral imagery." The Cryosphere, 7 (6): 1869-1877 [10.5194/tc-7-1869-2013]

    Hoffman, M. J., G. A. Catania, T. A. Neumann, L. C. Andrews, and J. A. Rumrill. 2011. "Links between acceleration, melting, and supraglacial lake drainage of the western Greenland Ice Sheet." Journal of Geophysical Research, 116 (F4): F04035 [10.1029/2010jf001934]

    Other Professional Information

    Invited Talks

    2017   Department of Earth Sciences, Dartmouth College
               The role of hydraulic connectivity in subglacial drainage evolution beneath the GrIS
    2016   Department of Geology and Geophysics, University of Wisconsin Madison
               Subglacial drainage evolution beneath the Greenland Ice Sheet regulated by weakly- connected regions of the bed
    2016   Department of Geology and Geophysics, University of Wisconsin Madison
               Spatiotemporal variation in ice velocity and subglacial hydrology in the ablation zone of the Western Greenland Ice Sheet
    2016   Cryospheric Sciences Laboratory, NASA Goddard Space Flight Center
               Subglacial hydrology and ice motion of the Greenland Ice Sheet
    2014   Jackson School of Geosciences Technical Sessions
               Spatiotemporal evolution of the subglacial hydrologic system beneath the GrIS
    2014   Austin Center for Inquiry
               Monitoring the Greenland Ice Sheet: Why and how we study its plumbing
    2014   Austin Gem and Mineral Society
               Physical controls on outlet glacier variability in Central Western Greenland: Fieldwork and photos from summer 2013
    2012   Institute for Geophysics, University of Texas at Austin
               Subglacial channel evolution observed in western Greenland from moulin water level and GPS-derived ice surface velocities
    2010   Institute for Geophysics, University of Texas at Austin
               A physical model of ice sheet response to changes in subglacial hydrology
     

    Conference Participation

    Andrews., L. C., K. Poinar, C. Dow (2017), Subglacial efficiency and storage modified by the temporal pattern of high-elevation meltwater input, Abstract [C22A-03 presented at 2017 Fall Meeting, AGU, New Orleans, L.A., 11-15 Dec.

    Andrews, L. C.,  K. Poinar, and T. A. Neumann. (2017). Using remote sensing to constrain regional changes in summer ice motion and subglacial evolution in western Greenland. 19(EGU2017-10126-1).

    Andrews., L. C., K. Poinar, C. Dow (2017), Subglacial efficiency and storage modified by the temporal pattern of high-elevation meltwater input, NASA GSFC’s Young Scientist Forum. 30 Oct.

    Andrews, L. C., M. J. Hoffman, T. A. Neumann, G. A. Catania, M. P. Lüthi, R. L. Hawley, C. Ryser, K. M. Schild (2016), Dynamics subglacial evolution inferred from ice motion on the Western Greenland Ice Sheet, 2016 Young Scientists Forum, NASA Goddard Space Flight Center, Greenbelt, Maryland, 19 Oct.

    Andrews, L. C., G. A. Catania, M. J. Hoffman, M. P. Lüthi, R. L. Hawley, T. A. Neumann (2015), Reconciling subglacial drainage patterns on the Western Greenland Ice Sheet, Abstract C51B-0705 presented at 2015 Fall Meeting, AGU, San Francisco, California, 15-18 Dec.

    Andrews, L. C., G. A. Catania, M. J. Hoffman, B. F. Morriss, R. L. Hawley, M. P. Lüthi, C. Ryser, J. D. Gulley, T. A. Neumann (2015), Supraglacial and subglacial hydrologic variability in the Pâkitsoq Region, Western Greenland, presented at Program for Arctic Regional Climate Assessment Annual Meeting, NASA Goddard Space Flight Center, Greenbelt, Maryland, 26 Jan.

    M. J. Hoffman, L. C. Andrews, G. A. Catania, J. D. Gulley, M. P. Lüthi, C. Ryser, R. L. Hawley, T. A. Neumann (2014), Direct observations of evolving subglacial drainage beneath the Greenland Ice Sheet, presented at Lamont-Doherty Earth Observatory Subglacial Hydrology Workshop, Palisades, New York, 1-3 Oct.

    Andrews, L. C., M. J. Hoffman, G. A. Catania, J. D. Gulley, M. P. Lüthi, C. Ryser, R. L. Hawley, T. A. Neumann (2014), Direct observations of evolving subglacial drainage beneath the Greenland Ice Sheet, Abstract 70A0936 presented at International Symposium on Contribution of Glaciers and Ice Sheets to Sea Level Change, Chamonix, France, 26-30 May.

    Andrews, L. C., G. A. Catania, M. J. Hoffman, R. L. Hawley, M. P. Lüthi and T. A. Neumann (2012), Subglacial channel evolution observed in Western Greenland from moulin water level and GPS-derived surface velocities, Abstract C43C-0620 presented at 2012 Fall Meeting, AGU, San Francisco, California, 3-7 Dec.

    Catania, G. A., L. C. Andrews, R. L. Hawley, M. J. Hoffman, M. P. Lüthi, and T. A. Neumann (2012), Observations of subglacial water pressure and velocity in the ablation region of Greenland, Abstract C11A-03 presented at 2012 Fall Meeting, AGU, San Francisco, California, 3-7 Dec.

    Nowinski, J. D., G. A. Catania, L. C. Andrews, J. D. Gulley, J. A. MacGregor, R. L. Hawley, M. J. Hoffman, M. P. Lüthi, and T. A. Neumann (2012), Assessment of moulin head variations and subglacial conduit connectivity in the Greenland ablation zone, Abstract C23C-0670 presented at 2012 Fall Meeting, AGU, San Francisco, California, 3-7 Dec.

    Andrews, L. C., G. A. Catania, R. L. Hawley, M. J. Hoffman, B. F. Morriss, C. Ryser, M. P. Lüthi, M. Funk, and T. A. Neumann (2011), Spatiotemporal heterogeneity of meltwater deliver to the bed of the Greenland Ice Sheet, Abstract C13C-02, presented at 2011 Fall Meeting, AGU, San Francisco, California, 5-9 Dec.

    Catania, G. A., M. P. Lüthi, L. C. Andrews, M. Funk, R. L. Hawley, M. J. Hoffman, B. F. Morriss, T. A. Neumann, C. Ryser, and F. T. Walter (2011), Interpreting summertime speedup of the Greenland ice sheet in the context of borehole observations of the subglacial hydraulic system, Abstract C13C-03, presented at 2011 Fall Meeting, AGU, San Francisco, California, 5-9 Dec.

    Hawley, R. L., B. F. Morriss, L. C. Andrews, G. A. Catania, M. Funk, M. J. Hoffman, M. P. Lüthi, and T. A. Neumann (2011), New insights in the Pakitsoq Region of the Greenland Ice Sheet from Borehole Optical Televiewer measurements of in-situ ice properties: stratigraphy, englacial features, and the potential for optical identification of the Wisconsin-Holocene transition, Abstract C33A-0622, presented at 2011 Fall Meeting, AGU, San Francisco, California, 5-9 Dec.

    Andrews, L. C., G. A. Cataina, J. L. Buttles, A. G. Andrews, and M. S. Markowski (2010), A physical model of ice sheet response to changes in subglacial hydrology, Abstract C21B-0543 presented at 2010 Fall Meeting, AGU, San Francisco, California, 13-17 Dec.

    Catania, G. A., T. A. Neumann, and L. C. Andrews (2010), Understanding the influence of supraglacial lakes in Greenland using surface-based geophysics and physical models, Abstract C14A-07, presented at 2010 Fall Meeting, AGU, San Francisco, California, 13-17 Dec.                   

    Hoffman, M. J., T. A. Neumann, G. A. Catania, and L. C. Andrews (2010), Links between acceleration, melting, and supraglacial lake drainage at the Western Greenland Ice Sheet, Abstract C23B-0619 presented at the 2010 Fall Meeting, AGU, San Francisco, California, 13-17 Dec.

    Professional Service

    Reviewer, Remote Sensing, Nature Communications, Journal of Geophysical Research: Earth Surface, Geophysical Research Letters, Annals of Glaciology, NASA Cryospheric Sciences
     

    Vice President, NASA GSFC Code 600 Science Director’s Committee, 2017
    AGU Session Co-chair, 2015 and 2016
    NASA GSFC Young Scientists Forum Co-chair, 2016 and 2017

    Teaching Experience

    Geology in the Public Media,  2014
    Lead discussion sections and taught writing skills; graded and provided feeback for multiple opinion driven essays.

    Introduction to Hydrogeology,  2011, 2012
    Taught Matlab programming and groundwater hydrology basics, graded and provided feedback on long form homework assignments.

    Introduction to Geology, 2009
    Independently taught laboratory sections, interacted directly with students, graded and provided feedback on labs and exams. 

    Professional Societies

    American Geophysical Union, 2009 - Present
    International Glaciological Society, 2012 - Present
    Earth Sciences Women's Network, 2016 - Present

    Brief Bio


    I am an earth scientist with an interest in understanding how water and ice dynamically interact. My current work focuses on how changes in meltwater supply impact the spatial and temporal evolution of the subglacial hydrologic system under the Greenland Ice Sheet. 

    Publications

    Refereed

    Hoffman, M. J., L. C. Andrews, S. Price, et al. G. A. Catania, T. A. Neumann, M. P. Lüthi, J. Gulley, C. Ryser, R. Hawley, and B. Morris. 2016. "Greenland subglacial drainage evolution regulated by weakly-connected regions of the bed." Nature Communications 7 Article number: 1390 [10.1038/ncomms13903]

    Lüthi, M. P., C. Ryser, L. C. Andrews, et al. G. A. Catania, M. Funk, R. L. Hawley, M. J. Hoffman, and T. A. Neumann. 2015. "Heat sources within the Greenland Ice Sheet: dissipation, temperate paleo-firn and cryo-hydrologic warming." The Cryosphere 9 (1): 245-253 [10.5194/tc-9-245-2015]

    Röösli, C., F. Walter, S. Husen, et al. L. C. Andrews, M. P. Lüthi, G. A. Catania, and E. Kissling. 2014. "Sustained seismic tremors and icequakes detected in the ablation zone of the Greenland ice sheet." Journal of Glaciology 60 (221): 563-575 [10.3189/2014jog13j210]

    Ryser, C., M. P. Lüthi, L. C. Andrews, et al. G. A. Catania, M. Funk, R. Hawley, M. Hoffman, and T. A. Neumann. 2014. "Caterpillar-like ice motion in the ablation zone of the Greenland ice sheet." Journal of Geophysical Research: Earth Surface 119 (10): 2258-2271 [10.1002/2013jf003067]

    Ryser, C., M. P. Lüthi, L. C. Andrews, et al. M. J. Hoffman, G. A. Catania, R. L. Hawley, T. A. Neumann, and S. S. Kristensen. 2014. "Sustained high basal motion of the Greenland ice sheet revealed by borehole deformation." Journal of Glaciology 60 (222): 647-660 [10.3189/2014JoG13J196]

    Andrews, L. C., G. A. Catania, M. J. Hoffman, et al. J. D. Gulley, M. P. Lüthi, C. Ryser, R. L. Hawley, and T. A. Neumann. 2014. "Direct observations of evolving subglacial drainage beneath the Greenland Ice Sheet." Nature 514 (7520): 80–83 [10.1038/nature13796]

    Morriss, B. F., R. L. Hawley, J. W. Chipman, et al. L. C. Andrews, G. A. Catania, M. J. Hoffman, M. P. Luthi, and T. A. Neumann. 2013. "A ten-year record of supraglacial lake evolution and rapid drainage in West Greenland using an automated processing algorithm for multispectral imagery." The Cryosphere 7 (6): 1869-1877 [10.5194/tc-7-1869-2013]

    Hoffman, M. J., G. A. Catania, T. A. Neumann, L. C. Andrews, and J. A. Rumrill. 2011. "Links between acceleration, melting, and supraglacial lake drainage of the western Greenland Ice Sheet." Journal of Geophysical Research 116 (F4): F04035 [10.1029/2010jf001934]

                                                                                                                                                                                            
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