Dynamic responses of DOC and DIC transport to different flow regimes in a subtropical small mountainous river.

ABSTRACT: Transport of riverine dissolved carbon (including DOC and DIC) is a crucial process linking terrestrial and aquatic C reservoirs, but has rarely been examined in subtropical small mountainous rivers (SMRs). This study monitored DOC and DIC concentrations on a biweekly basis during non-event flow periods and at 3 h intervals during two typhoon events in three SMRs in southwestern Taiwan between January 2014 and August 2016. Two models, HBV (the Hydrologiska Byråns Vattenbalansavdelning model) and a three-endmember mixing model, were applied to determine the quantities of DOC and DIC transport from different flow paths. The results show that the annual DOC and DIC fluxes were 2.7-4.8 and 48.4-54.3 t C km^-2 yr^-1, respectively, which were approx. 2 and 20 times higher tha

SUBMITTER: Shih YT 

PROVIDER: S-EPMC6522373 | biostudies-literature | 2019 Apr

REPOSITORIES: biostudies-literature