Interannual Ural Atmospheric Variability Under Slow‐Varying Soil Moisture and Snow Cover: Three Quasi‐Equilibrium States
Dongdong Li,
Renhe Zhang,
Jianping Huang
Abstract:In Inner Eurasia, the monthly mean 850‐hPa geopotential height anomaly around the Ural Mountains exhibits a large and irregular interannual variability. Its intrinsic mechanism remains unclear. Based on a nonlinear theoretical model and reanalysis data sets during 1979–2023, we find similar qualitative and quantitative relationships, termed pitchfork‐like (PL) relationships, between the 850‐hPa Ural geopotential height anomaly in June, July, and January, and local soil moisture, snow depth water equivalent, an… Show more
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