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.
Lauren C Andrews
(Rsch AST, Earth Sciences Remote Sens)
Org Code: 610.1
NASA/GSFCMail Code: 610.1
Greenbelt, MD 20771
Employer: NASA
Brief Bio
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
Research Physical Scientist
Global Modeling and Assimilation Office (610.1) - NASA Goddard Space Flight Center
2017 - Present
NASA Postdoctoral Fellow
Cryospheric Sciences Laboratory - NASA Goddard Space Flight Center
2016 - 2017
Research Scientist Associate V
University of Texas Institute for Geophysics - University of Texas at Austin
2015 - 2016
Teaching and Graduate Research Assistant
Jackson School of Geosciences - University of Texas at Austin
2009 - 2015
Staff Geologist
VESTRA Resources, Inc. - Redding, California
2007 - 2009
Geology Laboratory Teaching Assistant
Carleton College - Northfield, Minnesota
2006 - 2007
Publications
Refereed
Massoud, E. C., L. Andrews, R. Reichle, et al. A. Molod, J. Park, S. Ruehr, and M. Girotto. 2023. Seasonal forecasting skill for the High Mountain Asia region in the Goddard Earth Observing System Earth System Dynamics 14 (1): 147-171 [10.5194/esd-14-147-2023]
Trunz, C., M. D. Covington, K. Poinar, et al. L. C. Andrews, J. Mejia, and J. Gulley. 2022. Modeling the Influence of Moulin Shape on Subglacial Hydrology Journal of Geophysical Research: Earth Surface 127 (8): [10.1029/2022jf006674]
Andrews, L. C., K. Poinar, and C. Trunz. 2022. Controls on Greenland moulin geometry and evolution from the Moulin Shape model The Cryosphere 16 (6): 2421-2448 [10.5194/tc-16-2421-2022]
Smith, L. C., L. C. Andrews, L. H. Pitcher, et al. B. T. Overstreet, Å. K. Rennermalm, M. G. Cooper, S. W. Cooley, J. C. Ryan, C. Miège, C. Kershner, and C. E. Simpson. 2021. Supraglacial River Forcing of Subglacial Water Storage and Diurnal Ice Sheet Motion Geophysical Research Letters 48 (7): [10.1029/2020gl091418]
Poinar, K., and L. C. Andrews. 2021. Challenges in predicting Greenland supraglacial lake drainages at the regional scale The Cryosphere 15 (3): 1455-1483 [10.5194/tc-15-1455-2021]
Cullather, R. I., L. C. Andrews, M. J. Croteau, et al. N. E. Digirolamo, D. K. Hall, Y.-K. Lim, B. D. Loomis, C. A. Shuman, and S. M. Nowicki. 2020. Anomalous circulation in July 2019 resulting in mass loss on the Greenland ice sheet Geophysical Research Letters 47 (17): [10.1029/2020GL087263]
Molod, A. M., E. C. Hackert, Y. V. Vikhliaev, et al. B. Zhao, D. Barahona, G. Vernieres, A. Y. Borovikov, R. M. Kovach, J. Marshak, S. D. Schubert, Z. Li, Y.-K. Lim, L. C. Andrews, R. I. Cullather, R. D. Koster, D. Achuthavarier, J. Carton, L. Coy, J. Friere, K. Longo De Freitas, K. Nakada, and S. Pawson. 2020. GEOS-S2S Version 2: The GMAO high resolution coupled model and assimilation system for seasonal prediction Journal of Geophysical Research 125 (5): [10.1029/2019JD031767]
Poinar, K., C. F. Dow, and L. C. Andrews. 2019. Long‐Term Support of an Active Subglacial Hydrologic System in Southeast Greenland by Firn Aquifers Geophysical Research Letters 46 4772-4781 [10.1029/2019GL082786]
Andrews, L. C., M. J. Hoffman, T. A. Neumann, et al. G. A. Catania, M. P. Lüthi, R. L. Hawley, K. M. Schild, C. Ryser, and B. F. Morriss. 2018. Seasonal Evolution of the Subglacial Hydrologic System Modified by Supraglacial Lake Drainage in Western Greenland Journal of Geophysical Research: Earth Surface 123 (6): 1479-1496 [10.1029/2017jf004585]
Hoffman, M. J., M. Perego, L. C. Andrews, et al. S. F. Price, T. A. Neumann, J. V. Johnson, G. Catania, and M. P. Lüthi. 2018. Widespread Moulin Formation During Supraglacial Lake Drainages in Greenland Geophysical Research Letters 45 (2): 778-788 [10.1002/2017gl075659]
Brunt, K. M., R. L. Hawley, E. R. Lutz, et al. M. Studinger, J. G. Sonntag, M. A. Hofton, L. C. Andrews, and T. A. Neumann. 2017. Assessment of NASA airborne laser altimetry data using ground-based GPS data near Summit Station, Greenland The Cryosphere 11 (2): 681-692 [10.5194/tc-11-681-2017]
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]
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]
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]
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]
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]
Non-Refereed
Andrews, L. C. 2019. Methane beneath Greenland’s ice sheet is being released Nature 565 (7737): 31-32 [10.1038/d41586-018-07762-7]
Other Professional Information
Recent Conference Participation
Andrews, L. C., Cullather R. I., Nowicki, S. A., Carton, J. (2019), Numerical Reanalyses as a Gateway to Arctic Synthesis. Abstract presented at Arctic Futures 2050, Washington, DC, 4–6 Sept.
Andrews, L. C. & Poinar, K. (2019), A physical model of moulin formation and evolution, Abstract 80A2950 presented at IGS Symposium on Glacial Erosion and Sedimentation, Madison, WI, 12–17 May.
Andrews, L.C., Cullather, R.I. Molod, A. (2018). The Role of Atmospheric Teleconnections and Local Forcings in Predicting Greenland Ice Sheet Surface Mass Loss. Abstract GC53A-06 presented at 2018 AGU Fall Meeting, Washington, D.C., 10-14 Dec.
Cavanaugh, J., Andrews, L.C., Lampkin, D.J., Zwally, J.H. (2018). 20-year evolution of high elevation ice sheet runoff – motion relationship in the Pâkitsoq region of Western Greenland. Abstract C51G-1137 presented at 2018 AGU Fall Meeting, Washington, D.C., 10-14 Dec.
Poinar, K., Andrews, L.C., Meyer, C.R., Brunt,K.M. (2018). Do closely spaced crevasses in Greenland connect englacially to reach the bed? Abstract C51G-1141 presented at 2018 AGU Fall Meeting, Washington, D.C., 10-14 Dec.
Stock, J., Poinar, K., Andrews, L.C. (2018). Predicting crevasse and moulin formation through analytic modeling. Abstract C51G-1148
presented at 2018 AGU Fall Meeting, Washington, D.C., 10-14 Dec.
Molod, A.M. et al. (2018). The Impact on Seasonal Forecasts of GMAO's Higher Resolution Seasonal Prediction and Data Assimilation System. Abstract OS41F-2087 presented at 2018 AGU Fall Meeting, Washington, D.C., 10-14 Dec.
Pawson, S. et al. (2018). The Stratospheric Warming of 2018 in the context of the Earth System. Presented at the Stratosphere-troposphere Processes And their Role in Climate (SPARC) 2018 General Assembly, Kyoto, Japan, 1-5 Oct.
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
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
Professional Service
Reviewer, Nature, Remote Sensing, Nature Communications, Journal of Geophysical Research: Earth Surface, Geophysical Research Letters, Annals of Glaciology, NASA Cryospheric Sciences, IPCC Special Report on Ocean and Cryosphere in a Changing Climate
Chair, NASA GSFC Code 600 Science Director’s Committee, 2018
Vice chair, NASA GSFC Code 600 Science Director’s Committee, 2017
AGU Session Co-chair, 2015, 2016, 2019
NASA GSFC Young Scientists Forum Co-chair, 2016, 2017, 2018, 2019
Professional Societies
American Geophysical Union
2009 - Present
International Glaciological Society
2012 - Present
Earth Sciences Women's Network
2016 - Present