【摘要】 本文根据历史资料，以鄂尔多斯历史时期气候波动对沙化进退过程影响为主线，提出了本区沙化孕育的环境不仅是冷干时期，而在暖干时期沙化也会发展。人类活动是沙化进退的诱导和加强因素，并且随着全球气候变暖，人为活动的的加剧，本区沙化有加强的趋势。更多还原

【Abstract】 Based on the historical material, the peahen focuses on the changeable climate effect on Sands forward and backward moment in Erdos during historical stage. The author puts forward the view that in this area, not only in cold -dry period bot also in warm -dry period the sand movement can be formed and developed. The human activity is Major factor in Sands forward and backward movement process, with global climate becoming warmer and the intensification of human activity, the sand movement has tendency to be more severe.更多还原