By the deep investigation of lacustrine facies sedimentary stratums in Ningwu Shanxi province we will make sure the fundamental laws of climate and environmeng changing since Holocene in Huabei area.

• 对山西宁武地区湖相沉积地层的进一步深入调查与研究,将会确定华北地区的全新世以来环境与气候变化的基本规律。