Complex sentence: In addition, the QBO has also been shown to affect hurricane frequency during hurricane seasons in the Atlantic and research has also been conducted investigating a possible relationship between ENSO (El Nino Southern Oscillation) and the QBO.
Split into simpler sentences: In addition, the QBO has also been shown to affect hurricane frequency during hurricane seasons in the Atlantic. Research has also been conducted investigating a possible relationship between ENSO (El Nino Southern Oscillation) and the QBO.