Fig. 5: Changes in the outlet region of Zonag Lake.
From: Climate change accelerates the evolution of reorganized river-lake systems on the Tibetan Plateau

a Gaofen-2 images (35.529°N–35.531°N, 92.032°E–92.035°E) of the Zonag Lake outlet region on 20 June 2015, 21 June 2021, and 6 September 2024. I–III represent the water surface extraction results, with red arrows indicating the measured distances from the current lakeshore to the original reference points. The three same black dashed boxes in 1–3 denote the selected river cross-sections used for calculating river width. b Photographs of the Zonag Lake outlet (red dashed boxes) taken on 24 May 2024 and 17 July 2024. c The three river cross-sections selected in Figures I–III, along with the average river width for each cross-section (Photograph in (b) taken by Zhaxi Nima, Public Security Bureau of Hoh Xil Nature Reserve, Qinghai Province, reproduced with permission. © 2024 Zhaxi Nima/Public Security Bureau of Hoh Xil Nature Reserve, Qinghai Province).