Rossby waves

Dynamical Splitting Of A Spot-producing Magnetic Ring In A Nonlinear Shallow-water Model

Snapshots during splitting of a 6-degree toroidal ring into two
Wednesday, June 30, 2021

We explore the fundamental physics of narrow toroidal rings during their nonlinear magnetohydrodynamic evolution at tachocline depths. Using a shallow-water model, we simulate the nonlinear evolution of spot-producing toroidal rings of 6-degree latitudinal width and peak field of 15 kG.

Planetary-scale Wave Impacts on the Venusian Upper Mesosphere and Lower Thermosphere

Graphic image of VTGCM temperature profiles
Wednesday, December 30, 2020

Venus’ atmosphere has a cloud layer (~40 km - ~70 km) that encompasses the whole planet that separates the lower atmosphere and upper atmosphere.

Mausumi Dikpati Publication is Featured by AAS Nova

Mausumi Dikpati, senior scientist at HAO

A recent publication by Mausumi Dikpati was featured by AAS Nova in November 2020.

Physics Of MHD Rossby Waves In The Sun

Graphic image of the physics Of MHD Rossby Waves In The Sun
Wednesday, June 10, 2020

Evidence of the existence of hydrodynamic and MHD Rossby waves in the Sun is accumulating rapidly.

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