Fig. 2
From: An intra-annual 30-m dataset of small lakes of the Qilian Mountains for the period 1987–2020
Distribution of Landsat data used in the study. (a) Number of images covered by each Landsat path number for the QMR from 1987 to 2020; (b) Total number of Landsat images covering the study area each year; (c) Number of Landsat images with less cloud cover for each year; (d) Percentage of all high-quality pixel observations.
