Extended Data Fig. 2: Temporal variations of major climatic variables for 2000-2021. (a) annual mean temperature (°C) and (b) annual total precipitation (mm yr-1) for wetland regions from CRU and MERRA2.

The wetland mask is defined by maximum areal extent of a wetland extent product Wetland Area and Dynamics for Methane Modeling (WAD2M)37.