GFDL - Geophysical Fluid Dynamics Laboratory

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Lucas Harris

Physical Scientist
NOAA/Geophysical Fluid Dynamics Laboratory



I am working on methods for locally increasing model resolution in the atmospheric dynamical core. The two primary methods for doing this are grid nesting and grid stretching. These techniques will allow the GFDL atmospheric model to be run at a very high resolution over a limited area for use in hurricane forecasting, long-range chemical transport, seasonal prediction, and regional climate modeling.  More information is available here.

I also have a few nice GrADS scripts, along with examples, that I use for some of my work that others may find helpful.

Ray Pierrehumbert's classic essay on mountain gravity-wave drag parameterization is difficult to find online. A copy is available at ECMWF. Many other old ECMWF conference proceedings are available as well.

Publications
  • B. Xiang, and coauthors: Beyond weather time scale prediction for Hurricane Sandy and Super Typhoon Haiyan in a global climate model. In press, Monthly Weather Review, DOI:10.1175/MWR-D-14-00227.1.
  • S-M Fan, L.M. Harris, and L. W. Horowitz: Atmospheric Energy Transport from the North Atlantic and Siberia Contributing to Amplified Arctic Climate Warming in NCEP Reanalysis. Submitted to Tellus.
  • Harris, L.M. and S.-J. Lin, July 2014: Global-to-regional nested-grid climate simulations in the GFDL High Resolution Atmosphere Model. Journal of Climate, 27(13), DOI:10.1175/JCLI-D-13-00596.1.
  • Harris, L.M. and S-J. Lin, 2012: A two-way nested global-regional dynamical core on the cubed-sphere grid. Mon. Wea. Rev.: 141(1), doi:10.1175/MWR-D-11-00201.1.
  • Harris, L.M, P.H. Lauritzen, and R. Mittal, 2010: A flux-form version of the conservative semi-Lagrangian multi-tracer transport scheme (CSLAM) on the cubed sphere grid. Journal of Computational Physics, 230(4), DOI:10.1016/j.jcp.2010.11.001.
  • Harris, L.M. and D.R. Durran, 2010: An idealized comparison of one-way and two-way grid nesting. Mon. Wea. Rev., 138, 2174–2187, DOI:10.1175/2010MWR3080.1
  • Harris, L.M. and V. R. Kotamarthi, 2005: The Characteristics of the Chicago Lake Breeze and Its Effects on Trace Particle Transport: Results from an Episodic Event Simulation. J. Appl. Meteor., 44, 1637–1654, DOI:10.1175/JAM2301.1