Table 1 Annual carbon and nutrient fluxes from rivers and coastal erosion with one standard deviation provided in brackets (see methods).

From: Around one third of current Arctic Ocean primary production sustained by rivers and coastal erosion

 

This study

Previous estimates

Riverine inputs

 Dissolved inorganic carbon

50.6 (45.0–56.2)

46.0 ± 7.021

 Dissolved organic carbon

27.6 (24.6–30.6)

25–3012,27,78

 Dissolved inorganic nitrogen

0.32 (0.28–0.36)

0.3212

 Dissolved organic nitrogen

0.67 (0.60–0.74)

0.6312

 Dissolved (inorg. & org.) phosphorus

0.06 (0.05–0.07)

0.0512

 Silicate

8.8 (7.8–9.8)

8.3812

Coastal erosion inputs

 Total carbon

15.4 (9.2–24.2)

4.9–14.017

 Total nitrogen

1.6 (1.0–2.5)

 Total phosphorus

0.27 (0.16–0.42)

  1. Units are in Tg yr−1.