NSFGEO-NERC Collaborative Research: Environmental change and impacts on prehistoric human colonization of Peary Land, northernmost Greenland

该项目的目标是了解格陵兰冰盖北部Peary Land的北极系统组成部分（气候，人类，陆地和海洋生态系统，海冰和冰川范围）之间的变化和相互作用，在过去~4500年里，那里的人们使用石器技术成功地生存了很长时间。我们建议从湖泊沉积物中产生多代理的高分辨率、定量的气候和植被记录，并使用高分辨率模型模拟来研究海洋哺乳动物聚集的沿海多冰湖的持久性。古环境记录将与新的考古数据相结合，这些数据来自一项全面调查地点的实地测绘活动，以及一项对现有考古材料进行放射性碳定年的计划，以改进该地区人类活动的年表。我们将探讨定居时期和遗弃时期在多大程度上与影响陆地和海洋资源供应的气候波动有关，而陆地和海洋资源是在这个非常偏远的地区生存所必需的。目标区域被认为是考虑古环境下气候变化、资源可用性和人类反应之间关系的模型，这些问题今天仍然在整个北极地区引起共鸣。

The goal of this project is to understand changes and interactions among arctic system components (climate, people, terrestrial and marine ecosystems, sea-ice and glacier extent) in Peary Land, north of the Greenland Ice Sheet, where people with stone tool technology managed to survive for prolonged periods during the past ~4500 years. We propose to produce multi-proxy high resolution, quantitative records of climate and vegetation from lake sediments, and to examine the persistence of polynyas along the coast, where marine mammals congregate, using high-resolution model simulations. Paleoenvironmental records will be coupled with new archaeological data generated from a field mapping campaign to comprehensively survey sites and a program to radiocarbon date existing archeological materials to improve the chronology of human activities in the region. We will explore the extent to which periods of settlement and times of abandonment were related to climatic fluctuations that affected the availability of terrestrial and marine resources, which were essential for survival in this very remote region. The target region is considered as a model to consider the nexus of climate change, resource availability, and human response in a paleo context-- issues that still resonate today throughout the Arctic.