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Progress in Earth and Planetary Science
Fig. 5 | Progress in Earth and Planetary Science

Fig. 5

From: Impact of permafrost degradation on the extreme increase of dissolved iron concentration in the Amur river during 1995–1997

Fig. 5

Cross correlation coefficients between dissolved iron (dFe) concentrations and climate variables in the Amur River basin. a Annual dFe concentrations and mean air temperature (Ta); b late spring (April, May, June; AMJ) dFe concentrations and Ta; c late summer (July, August, September; JAS) dFe concentrations and Ta; d Annual dFe concentrations and accumulated temperature (AT); e late spring dFe concentrations and AT; f late summer dFe concentrations and AT; g annual dFe concentrations and late summer net precipitation (P − E); h late spring dFe concentrations and late summer P − E; i late summer dFe concentrations and late summer P − E. In a–c, ** indicates p < 0.01

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