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. Author manuscript; available in PMC: 2020 Aug 11.
Published in final edited form as: Environ Res Lett. 2018 Jun 27;13(7):074009. doi: 10.1088/1748-9326/aac939

Figure 4.

Figure 4.

Sensitivity of (a) wetland CH4 anomalies (Unit: Tg CH4 /yr/MEI) and (b) wetland area anomalies for the tropics (Unit: Mkm2/yr/MEI; Mkm2 = 106 km2) to global ENSO strength for the period of 1980–1999, 2000–2006, and 2007–2016. The sensitivity metric is calculated as the ratio of averaged annual cumulative anomalies of wetland CH4 emissions and wetland areas to the MEI index. Bars represent the modeled sensitivity from experiments with different forcing datasets, and the error bars represent one standard deviation.