In addition, there is also another theory that global warming has been related to an increase in kosa in the following way: Global warming has caused the amount of rainfall in the inner land to decrease and has also caused the atmospheric pressure patterns to change, consequently expanding dry area and increasing the occurrence of strong winds.
そのほかにも、地球温暖化により内陸部の降水量減少や気圧配置の変化が引き起こされ、それらが乾燥化や強風の増加をもたらして、黄砂の増加に関係しているとの考えもある。