Fig. 1: High-resolution river water δ7Li, 87Sr/86Sr, and hydrometeorological data from the NE Tibetan Plateau. | Nature Communications

Fig. 1: High-resolution river water δ7Li, 87Sr/86Sr, and hydrometeorological data from the NE Tibetan Plateau.

From: Hydrological control of river and seawater lithium isotopes

Fig. 1: High-resolution river water δ7Li, 87Sr/86Sr, and hydrometeorological data from the NE Tibetan Plateau.The alternative text for this image may have been generated using AI.

Weekly variations of δ7Li and 87Sr/86Sr in the carbonate-dominated BH (a) and silicate-dominated SL (b) catchments (Supplementary Fig. 2) along with daily Qw and precipitation, showing inverse trends between δ7Li and Qw in each river. When plotting up weekly data from the two rivers together (c), there is still an overall negative relationship, highlighting a strong hydrology control on riverine δ7Li. (d) 87Sr/86Sr versus Qw, showing large differences between the two rivers, reflecting their distinct lithology (Supplementary Fig. 3). The dashed lines in a and b represent ice-melting times. Errors for δ7Li are <0.9‰. The shaded regions in c show 95% confidence intervals. Symbols with black borders in c and d represent wet seasons, and others are dry seasons.

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