Mekong Delta covers an area
of approximately 55,000 km2 which
represents 7 % of the total catch-
ment area. The greater part of the
delta (39,000 km2) falls within
Vietnam (Figure 2). The upstream
limit of the delta is generally re-
garded as being located near
Kompong Cham in Cambodia,
where it grades into the alluvial
plains extending further upstream. At
Phnom Penh, the channel