2019-2022年北半球湖冰物候数据集

本数据集是基于被动微波反演的湖冰物候，包含北半球753个湖泊1978-2022年的湖冰物候（含湖泊开始冻结日期、完全冻结日期、开始融化日期、完全融化日期），。该数据与同时期MODIS监测结果验证表明该数据集具有较高的精度，二者所获的湖冰物候日期呈显著相关。为方便用户检索及使用，753个湖泊逐个存储在excel表中，表中包含湖泊中心经纬度湖泊面积、湖泊深度等基本参数，以及各个对应年份的湖冰物候信息。

This dataset focuses on lake ice phenology retrieved via passive microwave inversion, covering 753 lakes across the Northern Hemisphere from 1978 to 2022. It includes four core lake ice phenology metrics: start of freezing date, complete freezing date, start of melting date, and complete melting date. Validation against contemporaneous MODIS monitoring results shows that this dataset has high accuracy, with significantly correlated lake ice phenology dates derived from the two datasets. To facilitate user retrieval and utilization, the 753 lakes are stored individually in Excel spreadsheets, which contain basic parameters such as the central latitude and longitude, area and depth of each lake, as well as lake ice phenology information for each corresponding year.