Estimation of Permafrost Ground Ice to 10 m Depth on the Qinghai‐Tibet Plateau
Defu Zou,
Qiangqiang Pang,
Lin Zhao
et al.
Abstract:Permafrost ground ice melting could alter hydrological processes in cold regions by releasing water. Currently, there is a lack of gridded data of ground ice from the Qinghai‐Tibet Plateau (QTP). Using 664 borehole sample records, we applied a random forest (RF) method to predict the ground ice content of permafrost between 2 and 10 m depth in three layers (2–3, 3–5, and 5–10 m) at a spatial resolution of 1 km. The RF predictions demonstrated an R2 value exceeding 0.80 for all three layers with a negligible po… Show more
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