NGEE Arctic Plant Traits: Soil Depth, Kougarok Road Mile Marker 64, Seward Peninsula, Alaska, Beginning 2016

Soil depth was measured at the Kougarok site located on the Seward Peninsula using a thaw depth probe inserted into the ground until the point of contact with frozen soil or rock. Measurements were made at vegetation plots, intensive stations, and reference points. Three to four replicate measurements were made during the observation period and the presence of rocks was noted when possible. This dataset includes one pdf file and one csv file. The Next-Generation Ecosystem Experiments: Arctic (NGEE Arctic), was a research effort to reduce uncertainty in Earth System Models by developing a predictive understanding of carbon-rich Arctic ecosystems and feedbacks to climate. NGEE Arctic was supported by the Department of Energy's Office of Biological and Environmental Research. The NGEE Arctic project had two field research sites: 1) located within the Arctic polygonal tundra coastal region on the Barrow Environmental Observatory (BEO) and the North Slope near Utqiagvik (Barrow), Alaska and 2) multiple areas on the discontinuous permafrost region of the Seward Peninsula north of Nome, Alaska. Through observations, experiments, and synthesis with existing datasets, NGEE Arctic provided an enhanced knowledge base for multi-scale modeling and contributed to improved process representation at global pan-Arctic scales within the Department of Energy's Earth system Model (the Energy Exascale Earth System Model, or E3SM), and specifically within the E3SM Land Model component (ELM).

本数据集针对位于苏厄德半岛（Seward Peninsula）的库加罗克（Kougarok）样地开展土壤深度测量：使用解冻深度探针插入地下，直至接触到冻土或岩石为止。测量点位涵盖植被样方、加密监测站与参照点。观测期间共开展3至4次重复测量，并尽可能记录现场岩石分布情况。本数据集包含1个PDF文件与1个CSV文件。下一代北极生态系统实验（Next-Generation Ecosystem Experiments: Arctic, NGEE Arctic）是一项科研项目，旨在通过深化对富碳北极生态系统及其气候反馈机制的预测性认知，降低地球系统模型的不确定性。该项目由美国能源部生物与环境研究办公室资助。NGEE Arctic项目共设有2个野外研究站点：1）位于阿拉斯加州乌特恰维克（原名为巴罗）附近北坡的巴罗环境观测站（Barrow Environmental Observatory, BEO）内的北极多边形苔原沿海区域；2）位于阿拉斯加州诺姆以北苏厄德半岛的不连续永久冻土带内的多处区域。通过实地观测、受控实验以及与现有数据集的整合分析，NGEE Arctic项目为多尺度建模构建了更为完善的知识库，并助力美国能源部地球系统模型（能源级超算地球系统模型，Energy Exascale Earth System Model, E3SM），尤其是其陆面模型模块（E3SM陆面模型，ELM）改进全球泛北极尺度下的生态过程表征能力。