Firn temperature-time series to 25 meter depth at two sites along the west Expéditions Glaciologiques Internationales au Groenland (EGIG) line, Greenland 2022-2023

This archive contains firn temperature data collected at two sites in the western Greenland Ice Sheet percolation zone. The sites are located along a lower elevation transect of the Expéditions Glaciologiques Internationales au Groenland (EGIG) line. The data are time series of firn temperature measured in boreholes drilled to 15 or 25 meter depth. The boreholes were drilled by firn coring methods after which the sensor strings were installed, and the holes were backfilled with fine sifted snow. These measurements are associated with additional datasets collected as part of a NSF Arctic Observing Network project and include measurements at multiple sites on the EGIG line of firn temperature and firn density/ice content.

本数据集存档包含格陵兰冰盖西部渗流区两个测点的粒雪（firn）温度数据。该两个测点沿国际格陵兰冰川考察队（Expéditions Glaciologiques Internationales au Groenland，简称EGIG）路线的低海拔样带布设。本次采集的数据为在深度15米或25米的钻孔中测得的粒雪温度时间序列。钻孔采用粒雪取芯法施工，随后安装传感器串，并用细筛过的雪对钻孔进行回填。本测量数据关联于美国国家科学基金会（National Science Foundation，NSF）北极观测网络项目所采集的附属数据集，涵盖EGIG路线上多个测点的粒雪温度、粒雪密度/冰含量测量数据。