(iii) regional hydrology characteristics Tp.HCMThe Dong Nai River system downstream-Saigon (HLĐNSG) since the Tri An falls on Dong Nai River, after the beating, the Oil on the Saigon River and near the whole river basin with an area of Eastern Grass as long as Vao 10000 km2 (covering an area of the province of Dong Nai, Binh Duong, Tay Ninh, Ho Chi Minh City, BA RIA-Vung Tau province and part of Long An province).The mechanism of action of water flow in HLĐNSG is two-dimensional, with the flow varies according to the rhythm of the tides. The hydrological regime of the river tidal influence is very complex. In the lower part, about 90% of the area is affected by tidal oscillations and 40% are affected by saline intrusion.HLĐNSG also has a network of river channels are quite thick. After the Dong Nai River, Friends House to radiate into two main distributaries of the river and the Friends Home Happy. NHA be River is quite wide (from 1000-1500 m in the 2000-3000 m above and in the paragraph below) and depth from 10 to 20 m in a much more narrow Vessel Heart River (200-400 m) but very deep (30-40 m). Shipping weights are usually out to please the river boat. Connect the river Home and Friends Board is small, short river network, interlaced. In addition, the region sandwiched between the Saigon River-and-Grass meadows, Vao Vao from Trang Bang channel to the mouth of the river of grass, as well as the Vao system of canals and hydraulic-hydrological regime complex. As for the goal of West-South of Ho Chi Minh City, the Saigon river system-Vam Grass East and Ben Luc river-channel Double-Slit, Dried Tree channel-Giuoc Slit-Slit Sand ... is the channel River system, an important role in marine transportation and drainage.In addition, considerable additional Canal in the North as the channel She Hom, An HA Bridge channel-channel Xáng, channel Master Cai ... is also the aqueducts, the tart and marine traffic.
đang được dịch, vui lòng đợi..
