Ice-wedge Pseudomorphs Showing Climatic Change Since the Late Pleistocene in the Source Area of the

• 作 者: CHENG Jie ZHANG Xujiao TIAN Mi
• 机 构: ChinaUniversityofGeosciences,InstituteofProcessEngineering,InstituteofGeographicSciencesandNaturalRe
• 出 处: 山地科学学报：英文版
• 发表日期: 2005年3期
• 关键词: 更新世 黄河 西藏 冰山 气候变化 青藏高原 Ice-wedge pseudomorph paleoclimateLast Glacial Age Megath
• 基金项目: 国家自然科学基金，the Dating Laboratory of Institute of Geology of China Seismological Bureau

The source area of the Yellow River is located in the northeastern Tibetan Plateau, and is a high-elevation region with the annual mean temperature of-3.9℃. The ice-wedge pseudomorphs discovered in this region are recognized as two types.One was found in