J. N. Hacker. Publications

Refereed Papers

Hacker, J. N. & Linden, P. F. 1999 The propagation of gravity currents in rotating channels. Part I: Steady-state non-dissipative theory. Submitted to J. Fluid Mech (in revision)

Hacker, J. N, Linden, P. F. & Dalziel, S. B. 1999 Coherent vortices produced by localised turbulent forcing of a stratified fluid. UESCO Volume of Selected Papers of the Konstantin Federov Memorial Symposium on Oceanic Fronts and Related Phenomena, St. Petersburg, May 1998. (in press)

Boubnov B.M., Linden P.F., Dalziel S.B., & Hacker J. 1999 Time-dependent sink-source turbulence in a stratified fluid. Izv. RAS. Fluid Gas Mech. (in press)

Hacker, J., Linden, P.F., & Dalziel, S.B. 1996 Mixing in lock-release gravity currents. Dyn. Atmos. Oceans. 24, 183-195.


Papers in preparation

Hacker, J. N. 1999 The propagation of gravity currents in rotating channels. PART II: Generalised non-dissipative steady-state theory and solutions for currents with uniform potential vorticity. to be submitted to J. Fluid Mech.

Hacker, J. N. & Linden, P. F. 1999 The propagation of gravity currents in rotating channels. PART III: Laboratory experiments. to be submitted to J. Fluid Mech.

Hacker, J. N. & Linden, P. F. 1999 Ageostrophic adjustment of gravity currents in rotating channels. to be submitted to Geophys. Astrophys. Fluid Mech.

Boubnov, B. M., Hacker, J. N. & Linden, P.F. 1999 Flow regimes of a turbulently forced stratified rotating fluid annulus. to be submitted to J. Fluid Mech.

Hacker, J. N. & Linden, P.F. 1999 Generation of basin-scale flow by localised turbulent forcing of a stratified rotating fluid. to be submitted to J. Fluid Mech.


Other papers

Hacker, J., Linden, P.F. & Dalziel, S. B. 1994 Mixing in lock-release gravity currents. Proceedings of IAHR Fourth International Symposium on Stratified Flows, Grenoble, France, June 1994. Vol. 3

Hacker, J. N. 1996 Gravity currents in rotating channels. PhD Thesis. Cambridge University. 269pp.

Hacker, J. N. 1999 On the occurrence of ageostrophic gravity current fronts in the rotating atmosphere and oceans. unpublished manuscript


Conference Talks, Abstracts, Seminars etc. 1997 1999

July 1999 IUGG Symposium on Rotating and Stratified Fluids. Birmingham, UK.
Eddy-driven, basin-scale response to localised forcing of a stratified rotating fluid.
J. N. Hacker, P. F. Linden & S. B. Dalziel

April 1999 European Geophysical Society, 24th General Assembly, The Hague, Netherlands.
Basin-scale response to localised turbulent forcing. J. N. Hacker, P. F. Linden & S. B. Dalziel

Nov. 1988 DAMTP, University of Cambridge. Geophysical Fluid Dynamics Seminars.
Eddy-driven mean flows in enclosed ocean basins.

Nov. 1988 Department of Atmospheric, Oceanic and Planetary Physics, University of Oxford. Geophysical and Nonlinear Fluid Dynamics Seminars. Eddy-driven mean flows in a stratified rotating fluid.

May 1998 Canadian Applied Mathematics Society Workshop on Gravity Currents in the Environment, Vancouver. Steady-state theory of gravity currents in rotating channels J. N. Hacker (Invited Lecture)

May 1998 Konstantin Federov Memorial Symposium on Oceanic Fronts and Related Phenomena, St. Petersburg, Russia.
1. Coherent vortices produced by persistent localised turbulent forcing of rotating and nonrotating stratified fluids. J. N. Hacker, P. F. Linden & S. B. Dalziel.
2. The propagation of gravity currents in rotating channels J. N. Hacker (poster)

Feb. 1998 One-day Symposium on Geophysical Fluid Dynamics, University of Warwick
Gravity currents in sea-straits and ocean channels. J. N. Hacker (Invited Lecture)

Feb. 1998 American Geophysical Society, Ocean Sciences Meeting, San Diego
The propagation of gravity currents in rotating channels. J. N. Hacker (poster)

April 1997 European Geophysical Society General Assembly, Vienna
1. Gravity currents in rotating channels. J. N. Hacker & P. F. Linden
2. Experiments on forced turbulence in a stratified fluid. J.N. Hacker, F. de Rooij, S.B. Dalziel & P.F. Linden

Feb. 1997 DAMTP, University of Cambridge, Geophysical Fluid Dynamics Seminars
The dynamics of gravity currents in rotating channels. PART II: Comparison of theory and experiment.







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