Since the influence of clay materials here , the high calculations of magnetic susceptibility in fossil soil do not represent the climate elements of this layer , but represent the most warm and humid climate elements - of the upper layer 由于該區(qū)黏土物質(zhì)遷移等影響,古土壤磁化率高值段一般不能代表該層段的氣候要素,而是表征上層段最溫濕階段的氣候要素。