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How Tidal Processes Impact the Transfer of Sediment from Source to Sink: Mekong River Collaborative Studies

2017; Oceanography Society; Volume: 30; Issue: 3 Linguagem: Inglês

10.5670/oceanog.2017.311

2377-617X

A. S. Ogston, Mead A. Allison, Robin McLachlan, Daniel J. Nowacki, J. Drew Stephens,

Geology and Paleoclimatology Research

FIGURE 1. Lower tidal portion of the Mekong River, site of distributary channel investigations that were part of the 2014-2015 Mekong Tropical Delta Study.The river starts to bifurcate downstream of Kratie, Cambodia, breaking into seven distributaries.The two largest are the Song Hau and the Song Tien.This article focuses on the Song Hau, which is reported to carry ~40% of the total Mekong water discharge (Nguyen et al., 2008).Note that tides propagate up ~300 km upstream of the river's mouth, but saline marine waters only reach ~40 km upstream.Discharge data shown are the historical average (± one standard deviation; dashed lines) based on 45 years of data at Kratie and seven years at Can Tho (inset after Nowacki et al., 2015).