%0 Dataset %T Data set of active layer thickness of frozen soil in Juhugeng No. 7 Well in Muli Kuangqu, Qinghai Province (2023-2025) %J National Cryosphere Desert Data Center %I National Cryosphere Desert Data Center(www.ncdc.ac.cn) %U http://www.ncdc.ac.cn/portal/metadata/f9f937ac-630d-4942-bb91-48a97577b7f9 %W NCDC %R 10.12072/ncdc.db7667.2026 %A li run jie %A zhu yuan tao %A huang wen de %K Keywords permafrost active layer;ground penetrating radar;environmental monitoring %X The dynamic change of the thickness of the active layer of permafrost is an important parameter to reveal the response of permafrost to climate warming, assess ecosystem stability and water conservation. In this study, pulseEKKO geological radar was used to obtain the thickness data of permafrost active layer under different processing conditions. This data has the following advantages: fast collection speed, high accuracy, and the detection time covers the period from December 2023 to March 2025.