松嫩平原西部盐碱地水体数据集（2016–2023年）

该数据集为研究区2016–2023年每年5–10月共48个月份的月度水体数据集及2016–2023年松嫩西部盐碱地水体频率数据。以Sentinel-2 MSI为数据源, 通过归一化水体指数NDWI等作为随机森林模型的输入波段, 基于所选的样本点集对松嫩平原西部盐碱地地区进行分类并提取水体,得到该数据集。
数据集共包括49个数据文件, 其中：(1)松嫩平原西部盐碱地2016–2023年每年5–10月的月度水体数据影像共48个文件；(2)松嫩平原西部盐碱地2016–2023年水体频率数据共1个文件。数据格式为tif栅格文件。

This dataset includes two parts: monthly water body datasets covering 48 months (May to October annually) from 2016 to 2023 in the study area, and water frequency data of the saline-alkali land in the western Songnen Plain over the same period (2016–2023). Using Sentinel-2 MSI as the data source, this dataset was generated by classifying and extracting water bodies in the saline-alkali region of the western Songnen Plain via a Random Forest model, with bands including the Normalized Difference Water Index (NDWI) as input bands based on the selected sample point set.

The dataset contains a total of 49 data files, specifically: (1) 48 raster files of monthly water body data for the saline-alkali land in the western Songnen Plain from May to October each year during 2016–2023; (2) 1 file of water frequency data for the same region over 2016–2023. All data are stored in TIFF raster format.