Complex sentence: This theory provided one fo the first applications of Jule Charney's remarkable simplfication of the equations of motion for the atmosphere, now known as quasi-gesotrophic theory, and this work benefited greatly from interactions with Charney at the Institute of Advanced Study.
Split into simpler sentences: This theory provided one of the first applications of Jule Charney's remarkable simplfication of the equations of motion for the atmosphere, now known as quasi-gesotrophic theory. This work benefited greatly from interactions with Charney at the Institute for Advanced Study.