Nikolas Olson Aksamit
Job description
My research focuses on implementing innovations in applied mathematics and developing novel measurements techniques to better understand coherent structures relevant for cryosphere, atmosphere and hydrosphere coupling. Current projects involve field studies of physical snow processes, fluid dynamics for snow science applications, and developing tools of nonlinear dynamical systems.
Nikolas Olson Aksamit,
Marwan Katurji,
Jiawei Zhang
:
Understanding Coherent Turbulence and the Roll-Cell Transition With Lagrangian Coherent Structures and Frame-Indifferent Fluxes
Nikolas Olson Aksamit,
Alex P. Encinas-Bartos,
George Haller,
David E. Rival
:
Relative fluid stretching and rotation for sparse trajectory observations
Anna Poltronieri,
Nils Ole Ronald Bochow,
Nikolas Olson Aksamit,
Niklas Boers,
Per Kristen Jakobsen,
Martin Wibe Rypdal
:
Arctic summer sea ice loss will accelerate in coming decades
Nikolas Olson Aksamit
:
Mapping the shape and dimension of three-dimensional Lagrangian coherent structures and invariant manifolds
Nikolas Olson Aksamit,
Randall K. Scharien,
Jennifer Hutchings,
Jennifer Lukovich
:
A quasi-objective single buoy approach for un- derstanding Lagrangian coherent structures and sea ice dynamics
Kristofor A. Olson,
C. Yvonne Chung,
Nikolas Olson Aksamit,
Charles E. Hill,
Carlos V. R. Brown,
Pedro G. Teixeira
:
Rule of four: an anatomic and value-based approach to stent-graft inventory for blunt thoracic aortic injury
European Journal of Trauma and Emergency Surgery 2023 DOI
Nikolas Olson Aksamit,
Robert Hartmann,
Detlef Lohse,
George Haller
:
Interplay between advective, diffusive and active barriers in (rotating) Rayleigh-Bénard flow
Alex Encinas-Bartos,
Nikolas Olson Aksamit,
George Haller
:
Quasi-Objective Eddy Visualization from Sparse Drifter Data
Chaos 2022 DOI
Nikolas Olson Aksamit,
George Haller
:
Objective Momentum Barriers in Wall Turbulence
George Haller,
Nikolas Olson Aksamit,
Alex Encinas-Bartos
:
Quasi-Objective Coherent Structure Diagnostics from
Single Trajectories
Chaos 2021
Nikolas Olson Aksamit,
Ben Kravitz,
Douglas G. MacMartin,
George Haller
:
Harnessing Diffusion Barriers to Enhance Climate
Geoengineering
Atmospheric Chemistry and Physics (ACP) 2021
Nikolas Olson Aksamit,
John Pomeroy
:
Warm air entrainment and advection during mountain blowing snow
events
The Cryosphere 2020
Nikolas Olson Aksamit,
Themis Sapsis,
George Haller
:
Machine-Learning Mesoscale and Submesoscale Surface Dynamics from Lagrangian Ocean Drifter Trajectories
Journal of Physical Oceanography 2020
Nikolas Olson Aksamit,
Paul Whitfield
:
Examining the pluvial to nival river regime spectrum using nonlinear methods: Minimum Delay Embedding Dimension
Journal of Hydrology 2019
Nikolas Olson Aksamit,
John Pomeroy
:
Scale Interactions in Turbulence for Mountain Blowing Snow
Journal of Hydrometeorology 2018
Nikolas Olson Aksamit,
John Pomeroy
:
The Effect of Coherent Structures in the Atmospheric Surface Layer on Blowing-Snow Transport
Boundary-Layer Meteorology 2017
Nikolas Olson Aksamit,
John Pomeroy
:
Near-Surface Snow Particle Dynamics from Particle Tracking Ve- locimetry and Turbulence Measurements during Alpine Blowing Snow Storms
The Cryosphere 2016
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Research interests
Environmental fluid dynamics, Cryosphere, Turbulence, Coherent Structures
