Third;
Institute;
of;
Oceanography,;
State;
Oceanic;
Administration,;
Xiamen;
361005,;
China;
Key;
Laboratory;
of;
Global;
Change;
and;
Marine-Atmospheric;
Chemistry,;
State;
Oceanic;
Administration,;
Xiamen;
361005,;
China;
Chinese;
Arctic;
and;
Antarctic;
Administration,;
Beijing;
100860,;
China;
Key;
Laboratory;
of;
Global;
Change;
and;
Marine-Atmospheric;
Chemistry,;
State;
Oceanic;
Administration,;
Xiamen;
361005,;
China;
Third;
Institute;
of;
Oceanography,;
State;
Oceanic;
Administration,;
Xiamen;
361005,;
China;
Key;
Laboratory;
of;
Global;
Change;
and;
Marine-Atmospheric;
Chemistry,;
State;
Oceanic;
Administration,;
Xiamen;
361005,;
China;
Third;
Institute;
of;
Oceanography,;
State;
Oceanic;
Administration,;
Xiamen;
361005,;
China;
carbon; flux,; distribution,; the; Arctic; Ocean,; carbon; dioxide.;