index of aridity

例句：

1. 1. The region is experiencing a significant increase in its Aridity Index.
   该地区的干旱指数显著增加。
2. 2.The drought has affected the agricultural production of the region.
   干旱影响了该地区的农业生产。
3. 3. To combat the effects of climate change, many countries are implementing measures to reduce their Aridity Index.
   为了应对气候变化的影响，许多国家正在实施措施以降低其干旱指数。