English / Japanese

• Master Thesis: Convective Motions Driven by Bubbles (Thermals)
• Doctor Thesis: Theoretical Study on frontal Waves

• Original Papers with Referees

  Iga K.:

  Axisymmetric flow in a cylindrical tank over a rotating bottom. Part I. Analysis of boundary layers and vertical circulation Fluid Dyn. Res., 2017, vol.49, 065502, doi:10.1088/1873-7005/aa8bef

  Iga K., Yokota S., Watanabe S., Ikeda T., Niino H. and Misawa N.:

  Axisymmetric flow in a cylindrical tank over a rotating bottom. Part II. Deformation of the water surface and experimental verification of the theory Fluid Dyn. Res., 2017, vol.49, 065501, doi:10.1088/1873-7005/aa8bf0

  Iga K., Yokota S., Watanabe S., Ikeda T., Niino H. and Misawa N.:

  Various phenomena on a water vortex in a cylindrical tank over a rotating bottom Fluid Dyn. Res., 2014, vol.46, 031409, doi:10.1088/0169-5983/46/3/031409

  Iga K.:

  Shear instability as a resonance between neutral waves hidden in a shear flow, J. Fluid Mech., 2013, vol.715, pp.452-476, doi:10.1017/jfm.2012.529

  Maejima Y. and Iga K.:

  The time evolution of meso-scale disturbances in the atmosphere caused by frontal instability, Theoretical and Appllied Mechanics Japan, 2011, vol.60, pp.183-191

  Iga K.:

  Statistical theory applied to a vortex street generated from meander of a jet, Theor. Comput. Fluid Dyn., 2010, vol.24, pp.283-289, doi:10.1007/s00162-009-0120-y

  Iga K. and Kimura R.:

  Convection driven by collective buoyancy of microbubbles, Fluid Dyn. Res., 2007, vol.39, pp.68-97

  Maejima Y., Iga K. and Niino H.:

  Upper-tropospheic vortex street and its formation mechanism, SOLA, 2006, vol.2, pp.80-83, doi:10.2151/sola.2006-021

  Iga K. and Watanabe T.:

  The scaling law of quasi-geostrophic turbulence with weak energy dissipation, J. Meteor. Soc. Japan, 2003, vol.81, pp.895-907

  Iga K.:

  Transition modes in stratified compressible fluids, Fluid Dyn. Res., 2001, vol.28, pp.465-486 (テキスト)

  Iga K. and Ikazaki H.:

  Instability of a front formed by two layers with uniform potential vorticity, J. Meteor. Soc. Japan, 2000, vol.78, pp.491-498

  Iga K.:

  Critical layer instability as a resonance between a non-singular mode and continuous modes, Fluid Dyn. Res., 1999, vol.25, pp.63-86 (テキスト)

  Iga K.:

  A simple criterion for the sign of the pseudomomentum of modes in shallow water systems, J. Fluid Mech., 1999, vol.387, pp.343-352

  Iga K.:

  Instability of a front with a layer of uniform potential vorticity, J. Meteor. Soc. Japan, 1997, vol.75, pp.1-11

  Iga K.:

  Transition modes of rotating shallow water waves in a channel, J. Fluid Mech., 1995, vol.294, pp.367-390

  Iga K.:

  Reconsideration of Orlanski's instability theory of frontal waves, J. Fluid Mech., 1993, vol.255, pp.213-236

• Reviews

  Iga K.:

  Vortices formed by a rotating disk at the bottom of a cylindrical tank, Kaiyou, 2019, Gogai vol.62, pp.12-17 (in Japanese)

  Otobe N., Fudeyasu H., Sugata S., Iga K., Satoh M., Tajima T., Satoh H., Sakai S., Mimura K., Yamada T. and Kitano Y.:

  The classical and modern analysis of rotating annulus experiments Tenki, 2016, vol.63, pp.515-535 (in Japanese)

  Iga K.:

  Dynamics of jets, high and low pressure systems and fronts -a report on the symposium on ``extratropical cyclones in the far east'' at the 2004 autumnal assembly of the Meteorological Society of Japan- Tenki, 2005, vol.52, pp.735-741 (in Japanese)

  Iga K.:

  Statistical theory for vortex streets formed by instability of a jet, Kaiyou, 2004, Gogai vol.38, pp.23-27 (in Japanese)

  Iga K.:

  Transition modes of rotating shallow water waves in a channel, Nagare, 1996, vol.15, pp.84-92 (in Japanese)

  Iga K. and Kimura R.:

  Bubble Convection -Theory and Numerical Simulation-, Kaiyou, 1991, vol.23, pp.586-591 (in Japanese)

• Books

  Tanaka H. and Iga K.

  Meteorology for beginners (Chapters 4, 5, 7, 8, 10, 11 and 12 pp.58-84, 100-133, 148-191), Hosodaigaku Kyoikushinkokai, 2015, pp.249, (in Japanese) ISBN978-4-595-31583-1

  Kimuta R. and Niino H.

  Meteorology in daily life (Chapters 3, 4, 5, 10 and 14 pp.37-79, 130-143, 190-205), Hosodaigaku Kyoikushinkokai, 2010, pp.231, (in Japanese) ISBN978-4-595-31221-2

  Edited by Department of Earth System Science and Technology, Interdisciplinary Graduate School of Engineering Sciences, Kyushu University:

  Fluid dynamics for studying earth environment (Chapters 4, 5 and 6 121-223), Seizando, 2001, pp.323, (in Japanese) ISBN4-425-71301

• Others

  Ikeda M. and Iga K.:

  Formation of convergent cloud band over western Japan Sea in winter -Numerical experiments on frontal structure in the convergent cloud band-, Engineering Sciences Reports, Kyushu University (Kyushu Daigaku Sogorikogaku Hokoku), 2005, vol.27, pp.251-256 (in Japanese with English abstract)

  Nagano H. and Iga K.:

  Chaotic mixing by fluctuation of a jet in a channel mode, Engineering Sciences Reports, Kyushu University (Kyushu Daigaku Sogorikogaku Hokoku), 2004, vol.26, pp.219-223 (in Japanese with English abstract)

  Iga K.:

  Time Evolution of Enstrophy in Quasi-Geostrophic Turbulence, Engineering Sciences Reports, Kyushu University (Kyushu Daigaku Sogorikogaku Hokoku), 2004, vol.26, pp.23-26 (in Japanese with English abstract)

  Nakamura S., Iga K. and Ikazaki H.:

  Velocity and Geopotential Height Disturbance Accompanied with Medium-Scale Eastward Travelling Waves in an Atmospheric General Circulation Model, Engineering Sciences Reports, Kyushu University (Kyushu Daigaku Sogorikogaku Hokoku), 2002, vol.24, pp.323-326 (in Japanese with English abstract)

  Iga K.:

  Energy dissipation and scaling law of geostrophic turbulence, Generation-Sustenance Mechanism and Statistical Law of Turbulence, edited by S. Kida (RIMS Kokyuroku), 2002, vol.1285, pp.170-177 (in Japanese)

  Iga K. and Watanabe T.:

  Energy dissipation and scaling law in geostrophic turbulence, Engineering Sciences Reports, Kyushu University (Kyushu Daigaku Sogorikogaku Kenkyuka Hokoku), 1999, vol.21, pp.295-299 (in Japanese with English abstract)

  Iga K.:

  Unstable wave as a resonance between waves, Mathematical Aspects on Waves of Strong Nonlinearity or Large Degree of Freedom, edited by M. Funakoshi (RIMS Kokyuroku), 1999, vol.1092, pp.57-67 (in Japanese)

  Kimura R. and Iga K.:

  Bubble convection, Mixing in Geophysical Flows, edited by J. M. Redondo and O. Metais (CIMNE), 1995, pp. 35-51

  Iga K. and Kimura R.:

  Bubble convection, The Earth's Central Part: Its Structure and Dynamics, edited by T. Yukutake (TERRAPUB), 1995, pp.157-180

  Iga K. and Kimura R.:

  Bubble Convection, Central Core of the Earth, 1993, vol.3, pp.275-298

  Kimura R. and Iga K.:

  Laboratory Experiment and a Theory on Bubble Convection, Central Core of the Earth, 1991, vol.1, pp.309-322 (in Japanese with English abstract)

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