Alexander Turner

  • Program Years: 2013-2017
  • Academic Institution: Harvard University
  • Field of Study: Atmospheric Science
  • Academic Advisor: Daniel Jacob
  • Practicum(s):
    Lawrence Berkeley National Laboratory (2014)
    Lawrence Berkeley National Laboratory (2016)
  • Degree(s):
    Ph.D. Atmospheric Chemistry, Harvard University, 2017
    B.S. Mechanical Engineering, University of Colorado at Boulder, 2012

Current Status

  • Status: Miller Postdoctoral Fellow at UC Berkeley
  • Research Area: Atmospheric Science
  • Personal URL: https://alexjturner.github.io/
  • Publications

    21.) Turner, A.J., I. Fung, V. Naik, L.W. Horowitz, and R.C. Cohen (2018), Modulation of hydroxyl variability by ENSO in the absence of external forcing, Proc. Natl. Acad. Sci., 115, 8931-8936, doi:10.1073/pnas.1807532115.

    20.) Sheng, J.X., D.J. Jacob, A.J. Turner, J.D. Maasakkers, J. Benmergui, A.A. Bloom, C. Ardnt, R. Gautam, D. Zavala-Araiza, H. Boesch, and R.J. Parker (2018), 2010-2016 methane trends over Canada, the United States, and Mexico observed by the GOSAT satellite: contributions from different source sectors, Atmos. Chem. Phys., 18, 12257-12267, doi:10.5194/acp-18-12257-2018.

    19.) Turner, A.J., D.J. Jacob, J. Benmergui, J. Brandman, L. White, and C.A. Randles (2018), Assessing the capability of different satellite observing configurations to resolve the distribution of methane emissions at kilometer scales, Atmos. Chem. Phys., 18, 8265-8278, doi:10.5194/acp-18-8265-2018.

    18.) Sheng, J.X., D.J. Jacob, A.J. Turner, J.D. Maasakkers, M.P. Sulprizio, A.A. Bloom, A.E. Andrews, and D. Wunch (2018), High-resolution inversion of methane emissions in the Southeast US using SEAC4RS aircraft observations of atmospheric methane: anthropogenic and wetlands sources, Atmos. Chem. Phys., 18, 6483-6491, doi:10.5194/acp-18-6483-2018.

    17.) Bloom, A.A., K. Bowman, M. Lee, A.J. Turner, R. Schroeder, J.R. Worden, R.J. Weidner, K. McDonald, and D.J. Jacob (2017), A global wetland methane emissions and uncertainty dataset for atmospheric chemical transport models (WetCHARTs version 1.0), Geosci. Mod. Dev., 10, 2141-2156, doi:10.5194/gmd-10-2141-2017.

    16.) Buchwitz, M., O. Schneising, M. Reuter, J. Heymann, S. Krautwurst, H. Bovensmann, J.P. Burrows, H. Boesch, R.J. Parker, P. Somkuti, R.G. Detmers, O.P. Hasekamp, I. Aben, A. Butz, C. Frankenberg, and A.J. Turner (2017), Satellite-derived methane hotspot emission estimates using a fast data-driven method, Atmos. Chem. Phys., 17, 5751-5744, doi:10.5194/acp-17-5751-2017.

    15.) Turner, A.J., C. Frankenberg, P.O. Wennberg, and D.J. Jacob (2017), Ambiguity in the causes for decadal trends in atmospheric methane and hydroxyl, Proc. Natl. Acad. Sci., 114, 5367-5372, doi:10.1073/pnas.1616020114.

    14.) Tzompa-Sosa, Z.A., E.V. Fischer, E. Mahieu, B. Franco, C.A. Keller, A.J. Turner, D. Helmig, A. Fried, D. Richter, P. Weibring, J. Walega, T.I. Yacovitch, S.C. Herndon, D.R. Blake, F. Hase, J. Hannigan, S. Conway, K. Strong, and M. Schneider (2017), Revisiting a global fossil fuel and biofuel emissions of ethane, J. Geophys. Res., 122, 2493-2512, doi:10.1002/2016JD025767.

    13.) Bader, W., B. Bovy, S. Conway, K. Strong, D. Smale, A.J. Turner, T. Blumenstock, C. Boone, M.C. Coen, A. Coulon, O. Garcia, D.W.T. Griffith, F. Hase, P. Hausmann, N. Jones, P. Krummel, I. Murata, I. Morino, H. Nakajima, S. O'Doherty, C. Paton-Walsh, J. Robinson, R. Sandrin, M. Schneider, C. Servais, R. Sussmann, and E. Mahieu (2017), The recent increase of atmospheric methane from 10 years of ground-based NDACC FTIR observations since 2005, Atmos. Chem. Phys., 17, 2255-2277, doi:10.5194/acp-17-2255-2017.

    12.) Maasakkers, J.D., D.J. Jacob, M. Sulprizio, A.J. Turner, M. Weitz, T. Wirth, C. Hight, M. DeFigueiredo, M. Desai, R. Schmeltz, L. Hockstad, A.A. Bloom, K.W. Bowman, S. Jeong, and M.L. Fischer (2016), A gridded national inventory of US methane emissions, Env. Sci. Technol., 50, 13123-13133, doi:10.1021/acs.est.6b02878.

    11.) Jacob, D.J., A.J. Turner, J.D. Maasakkers, J. Sheng, K. Sun, K. Chance, I. Aben, J. McKeever, and C. Frankenberg (2016), Satellite observations of atmospheric methane and their application to constrain emissions, Atmos. Chem. Phys., 16, 14371-14396, doi:10.5194/acp-16-14371-2016.

    10.) Turner, A.J., A.A. Shusterman, B.C. McDonald, V. Teige, R.A. Harley, and R.C. Cohen (2016), Network design for quantifying urban CO2 emissions: assessing trade-offs between precision and network density, Atmos. Chem. Phys., 16, 13465-13475, doi:10.5194/acp-16-13465-2016.

    9.) A.A. Shusterman, V. Teige, A.J. Turner, C. Newman, J. Kim, and R.C. Cohen (2016), The BErkeley Atmospheric CO2 Observation Network: initial evaluation, Atmos. Chem. Phys., 16, 13449-13463, doi:10.5194/acp-16-13449-2016.

    8.) Tan, Z. Q. Zhuang, D. K. Henze, C. Frankenberg, E. Dlugokencky, C. Sweeney, A.J. Turner, M. Sasakawa, and T. Machida (2016), Inverse modeling of pan-Arctic methane emissions at high spatial resolution: what can we learn from assimilating satellite retrievals and using different process-based wetland and lake biogeochemical models?, Atmos. Chem. Phys., 16,12649-12666, doi:10.5194/acp-16-12649-2016.

    7.) Bousserez, N., D.K. Henze, B. Rooney, A. Perkins, K.J. Wecht, A.J. Turner, V. Natraj, and J.R. Worden (2016), Constraints on methane emissions in North America from future geostationary remote sensing measurements, Atmos. Chem. Phys., 16, 6175-6190, doi:10.5194/acp-16-6175-2016.

    6.) Turner, A.J., D.J. Jacob, J. Benmergui, S.C. Wofsy, J.D. Maasakkers, A. Butz, O. Hasekamp, and S.C. Biraud (2016), A large increase in U.S. methane emissions over the past decade inferred from satellite data and surface observations, Geophys. Res. Lett., 43, doi:10.1029/2016GL067987.

    5.) Worden, J.R., A.J. Turner, A. Bloom, S.S. Kulawik, J. Liu, M. Lee, R. Weidner, K. Bowman, C. Frankenberg, R.J. Parker, and V.H. Payne (2015), Quantifying Lower Tropospheric Methane Concentrations Using Near-IR and Thermal IR Satellite Measurements: Comparison to the GEOS-Chem model, Atmos. Meas. Tech., 8, 3433-3445, doi:10.5194/amt-8-3433-2015.

    4.) Turner, A.J., D.J. Jacob, K.J. Wecht, J.D. Maasakkers, E. Lundgren, A.E. Andrews, S.C. Biraud, H. Boesch, K.W. Bowman, N.M. Deutscher, M.K. Dubey, D.W.T. Griffith, F. Hase, A. Kuze, J. Notholt, H. Ohyama, R. Parker, V.H. Payne, R. Sussmann, C. Sweeney, V.A. Velazco, T. Warneke, P.O. Wennberg, and D. Wunch (2015), Estimating global and North American methane emissions with high spatial resolution using GOSAT satellite data, Atmos. Chem. Phys., 15, 7049-7069, doi:10.5194/acp-15-7049-2015.

    3.) Turner, A.J. and D.J. Jacob (2015), Balancing aggregation and smoothing errors in inverse models, Atmos. Chem. Phys., 15, 7039-7048, doi:10.5194/acp-15-7039-2015.

    2.) Turner, A.J., A.M. Fiore, L.W. Horowitz, and M. Bauer (2013), Summertime cyclone frequencies over the Great Lakes Storm Track from 1860-2100: variability, trends, and association with ozone pollution, Atmos. Chem. Phys., 13, 565-578, doi:10.5194/acp-13-565-2013.

    1.) Turner, A.J., D.K. Henze, R.V. Martin, and A. Hakami (2012), The spatial extent of source influences on modeled column concentrations of short-lived species, Geophys. Res. Lett., 39, L12806, doi:10.1029/2012GL051832.

    Awards

    2017 - UC Berkeley Miller Postdoctoral Fellowship
    2017 - Caltech Stanback Postdoctoral Fellowship, declined
    2017 - Atmospheric Chemistry Colloquium for Emerging Senior Scientists
    2013 - Department of Energy CSGF Fellowship
    2013 - Department of Defense NDSEG Fellowship, declined
    2012 - U. Colorado Outstanding Graduate for Research
    2011 - Sigma Xi Undergraduate Research Award
    2010 - Vestas Mechanical Engineering Student of the Year
    2010 - NOAA Ernest F. Hollings Scholarship