Alexandra (Allie) T. King, Ph.D.
Department of Ecology & Evolutionary Biology
 Cornell University, Ithaca, NY
[Work remotely in Fremont, CA]
atk6 [at] cornell [dot] edu
1 (561) 901 - 5446

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B.S. Rice University, May 2002
M.S. Cornell University, August 2006
Ph.D. Cornell University, May 2011

Research Interests

Physical processes impacting ecosystem dynamics in natural bodies of water. Specialized in hydrodynamic modeling and also experienced in field measurement techniques. For my dissertation, I developed a new turbulence model for flow through aquatic vegetation that predicts velocity profiles and vertical fluxes (e.g. of nutrients, dissolved gasses, and sediment) from plant geometry. As a postdoc, I incorporated near-field dynamics of cooling water effluent into a three-dimensional hydrodynamic model, and used the coupled model to measure the impact of a cooling water outfall on residence time within the shallow southern shelf of Cayuga Lake. I am currently developing a two-dimensional hydrodynamic/water quality model of Honeoye Lake to investigate the physical and chemical processes causing harmful algal blooms. 

Teaching Interests

Fluid mechanics, mixing and transport processes, computational fluid mechanics, and fundamentals of civil and mechanical engineering. I have taught as a teaching assistant and as an instructor for undergraduate and graduate courses of 17-120 students.

Selected Publications

King, A.T.; Cowen, E.A. (accepted with minor revisions). Near-field model for a high-momentum negatively buoyant line source within a three-dimensional hydrostatic lake model. Water Resources Research.

King, A.T.; Cowen, E.A. (in preparation). Impact of a high-momentum negatively buoyant jet on residence time within the shallow unstratified shelf of a deep stratified lake. Target journal: Water Resources Research.

King, A.T.; Tinoco, R.O.; Cowen, E.A. (2012). A k – epsilon turbulence model based on the scales of vertical shear and stem wakes valid for emergent and submerged vegetated flows. Journal of Fluid Mechanics 701 pp. 1-39. doi:10.1017/jfm.2012.113. 
© Cambridge University Press.

Gelda, R.K.; King, A.T.; Effler, S.W.; Schewitzer, S.A.; Cowen, E.A. (2015). Testing and application of a two-dimensional hydrothermal/transport model for a long, deep, and narrow lake with moderate Burger number. Inland Waters. 5 (4) pp. 387-402.

Course Notes 

I developed these course notes for Cornell's CEE 6550 - Mixing, Transport, and Transformation in the Environment. They are an elaboration of Fischer et. al. (1979) at a level more accessible to first year graduate students and seniors. They also draw material from Professor Heidi Nepf's course notesSue-Nee Tan, a Cornell graduate student, provided the figures. Following the style of Fischer et. al., the focus is on physical processes, and mathematical techniques are developed in support of understanding and applying physics. These notes are available for anyone to use provided that the contributors are credited. I will provide the original LaTeX files upon request.