In another hand, both intensity and days of extreme high temperature in summer began to increase. (3) Climate warming affected Huaibei Area mostly and made this area more vulnerable.

• (3)从极端事件分布的区域变化来看，气候变暖对淮北的影响最大，使这个脆弱性本来就很严重的区域变得更加脆弱。