Table 1 Relative importance of each predictor from Generalized Additive Model (GAM) results, including the open-water fraction (Openwater) during the cruise observations, NOx mixing ratios, chromophoric dissolved organic matter (CDOM), wind speed (WS), air temperature (Temp), solar radiation (RD), and latent heat flux (EFLUX), along with their respective identifications and contributions

From: Marine phytoplankton and sea-ice initiated convection drive spatiotemporal differences in Arctic summertime mercury rebound

Predictors

p values

Contributions

Identifications

s(CDOM)

<2E-16

24%

Marine biochemical conditions

s(Openwater)

<2E-16

29%

Local oceanic emissions

s(WS)

2.83E-06

7%

Meteorological conditions

s(Temp)

<2E-16

10%

s(RD)

2.53E-05

7%

s(EFLUX)

<2E-16

19%

s(NOx)

0.0231

4%

Anthropogenic emissions

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