Keywords: Acidobacteria; Actinobacteria; aridity indices; Branched glycerol dialkyl glycerol tetraether; Branched glycerol dialkyl glycerol tetraether, Ia; Branched glycerol dialkyl glycerol tetraether, Ib; Branched glycerol dialkyl glycerol tetraether, Ic; Branched glycerol dialkyl glycerol tetraether, IIa; Branched glycerol dialkyl glycerol tetraether, IIa'; Branched glycerol dialkyl glycerol tetraether, IIb; Branched glycerol dialkyl glycerol tetraether, IIb'; Branched glycerol dialkyl glycerol tetraether, IIc; Branched glycerol dialkyl glycerol tetraether, IIc'; Branched glycerol dialkyl glycerol tetraether, IIIa; Branched glycerol dialkyl glycerol tetraether, IIIa'; Branched glycerol dialkyl glycerol tetraether, IIIb; Branched glycerol dialkyl glycerol tetraether, IIIb'; brGDGTs; Cyclization ratio of branched tetraethers; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; DS11; DS11_soil; DS21; DS21_soil; DS31; DS31_soil; DS41; DS41_soil; DS51; DS51_soil; DS71; DS71_soil; DS81; DS81_soil; DS91; DS91_soil; Event label; Inner Mongolia, China; Isomer ratio; Methylation index of branched tetraethers; MS11; MS11_soil; MS21; MS21_soil; MS31; MS31_soil; MS41; MS41_soil; MS51; MS51_soil; MS61; MS61_soil; MS71; MS71_soil; MS81; MS81_soil; Number of cyclopentane moieties of 5-methyl pentamethylated brGDGTs; Number of cyclopentane moieties of 6-methyl pentamethylated brGDGTs; Number of cyclopentane moieties of tetramethylated branched glycerol dialkyl glycerol tetraether; soil pH; SOILS; Soil sample; Temperature, air; TS101; TS101_soil; TS11; TS11_soil; TS111; TS111_soil; TS121; TS121_soil; TS131; TS131_soil; TS141; TS141_soil; TS151; TS151_soil; TS161; TS161_soil; TS21; TS21_soil; TS31; TS31_soil; TS41; TS41_soil; TS51; TS51_soil; TS61; TS61_soil; TS71; TS71_soil; TS81; TS81_soil; TS91; TS91_soil; Ultra high performance liquid chromatography mass spectrometer (UHPLC-MS); Verrucomicrobia