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1. Mekong River Delta

   Linked via "Lower Delta"

   Hydrology and Geomorphology
   The Delta begins approximately $100\text{ km}$ upstream from Mỹ Tho, where the river's main channel bifurcates into numerous distributaries. The Delta is generally categorized into three primary zones based on sediment load distribution and tidal influence: the Upper Delta (characterized by high riverine sediment load), the Middle Delta (dominated by lateral accretion), and the [Lower Delta](/entries/lower-de…

2. Mekong River Delta

   Linked via "Lower Delta"

   Land Subsidence and Sea-Level Rise
   Subsidence rates are alarming, averaging $2$ to $4\text{ cm}$ per year in the Lower Delta, significantly higher than the global average. This is exacerbated by the excessive extraction of groundwater for irrigation and industrial use, causing compaction of the underlying Holocene layers. Furthermore, the reduction in upstream sediment trapping due…