Natural factors are the main causes of drought and flooding disasters, human factors strengthen the degree of disasters.

造成旱涝灾害的因素以自然因素为主，人为因素加剧了灾害的严重程度。

youdao

Moreover, the physical mechanism of the interdecadal variations of drought and flooding disasters occurring in China is analyzed from the interdecadal variability of the East Asian climate system.

作者还从东亚气候系统的年代际变化系统地分析了发生在我国旱涝气候灾害年代际变化的机理。

youdao

Natural disasters such as earthquake, tsunami, flooding and drought command our attention regularly (and remind us that sometimes human actions have made their effects worse).

FORBES: Two Insidious Threats to Asian Prosperity