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20 0 2年入夏以来 ,全球气候异常 ,美国、加拿大、俄罗斯等国相继发生多起森林火灾。受此影响 ,我国北方部分地区持续高温干旱 ,降水量比历年同期减少 6～ 8成。据内蒙古自治区气象部门实测资料显示 ,自 7月中旬至 8月中旬 ,内蒙古大兴安岭北部原始林区降水量仅为 13ｍｍ ,比历
Since the beginning of summer in 2020, the global climate has been anomalous, and many forest fires have successively occurred in the United States, Canada, Russia and other countries. Affected by this, parts of northern China continued to suffer from high temperature and drought, with precipitation decreasing by 6 to 80% over the same period of previous years. According to the meteorological department of Inner Mongolia Autonomous Region measured data show that from mid-July to mid-August, Inner Mongolia Daxingan Mountains north of the original forest precipitation is only 13mm, calendar