摘要
在根据洪积扇形态和内陆湖水面变化恢复全新世以来降水量的基础上，确定了全新世及近百年来夏季风西北限的位置，并以此范围作为中国北方季风气候与内陆气候过渡地带．按照该地带中季风尾闾的波动、内陆湖水量平衡特点及与中亚冰川物质平衡的对比进行综合分析，认为这一过渡地带的东西向迁移与全新世以来全球性环境变化相对应，是中国北方环境变化的直接原因和基本内容；该地带环境以多变、易变、多灾、易灾为特点，是一个环境脆弱带．
On the basis of proluvial fan's form and inland lake surface change,themean annual precipitation in the Holocene is recoveried.Then,the west limit of summermonsoon in the early,middle stage of the Holocene and the past one century is determined,and the transitional area of monsoon climate and inland clim ate is determined,too,Ac-cording to the change of monsoon,the budget volume of inland lake,experiment and ana-lysis of physics,chemistry and biology of sediment,the area is considered that it’smovement is correspond to the global evolution,and it moves eastward fluctuately alongwith the shrinking of monsoon climate in the Holocene.So the transitional area is a morenatural hazard region.
出处
《内蒙古师范大学学报（自然科学汉文版）》
CAS
1995年第1期64-70,共7页
Journal of Inner Mongolia Normal University(Natural Science Edition)
关键词
全新世
季风气候
内陆气候
环境演变
过渡带
Northern china,Holocen,Transitional area of monsoon and inlandclimate.Environmental evolution.
