Arsenic pollution in groundwater in the red river delta

... mitigate arsenic in groundwater. - Investigation into the degree of arsenic pollution and the scale of distribution of arsenic in the vulnerable areas in the Red River Delta plain and vicinity. ... and 3.14mg/l in Chieng Bui. In the Red River Delta plain, the industrial zones discharge waste containing arsenic. In the Viet Tri industrial zone...

Ngày tải lên: 15/03/2014, 23:49

... ions in Pleistocene and Holocene aquifer in the Red River Delta (RRD) are in accordancewithnormal distribution,while otherions are in accordance with skew distribution. In the ... and coarsegrainsize[4,5].Finesedimentscompos ed mainlyofsand in the lowerpartandweathered clay in  the upper part of VinhPhuc Formation (Q 1 3 vp). The thicknessof...

Ngày tải lên: 22/03/2014, 12:20

... the waterleveldecreases with the distancefrom the river.  Therefore, this aquifer is mainly rechargedby the rain waterand surfacewater, especially in some big rivers in the Red River system. The groundwater ... and marinefacies(formed in the finalstageofeach cycle). Based on this point of view, the Quaternarysedim e nts in the Red River Delta...

Ngày tải lên: 28/03/2014, 15:20

Ngày tải lên: 13/02/2014, 12:20

... existence of the margin deltas in Miocene in the northern part of the Red River basin confirms a presence of basin floor fans in the central part of the Red River basin. These basin floor fans ... oil and gas. For the first study of margin deltas in the northern part of the Red River basin, the Miocene deposits in the northern part of the Red...

Ngày tải lên: 22/03/2014, 12:20

... but others were not trained. There is no official swimming training in the school program in the Mekong River Delta. It seems an irrational structure for children living in a floodplain as the ... those living in the urban areas, children in the rural area are familiar with the water in rivers and canals. Their daily lives are linked with the rice fields and fl...

Ngày tải lên: 18/10/2013, 12:15

... the river meets the Tongle Sap river, then splits into Tien river and Hau river before entering the border of Vietnam and continues to branch into 9 tributaries as the river estuaries. The ... list of the largest rivers in the world and is longest river in southeastern Asia. From its source in Tibet, the river flows to the South China Sea through Yun...

Ngày tải lên: 18/10/2013, 12:15

... U Minh areas were burned, accounting for approximately 57% (17% in the Lower U Minh and 40% in the Upper U Minh) of the total Melaleuca forest area. In the U Minh coastal forest areas, the ... season, due to the combination of floodwater draining from the upstream areas, the overland flood water entering from Cambodia across the Vietnam border, the inland high...

Ngày tải lên: 09/12/2013, 22:15

... Vietnam. The Delta in Vietnam is bordered to the North by Cambodia, to the west by the Vam Co river, to the south by the Eastern Sea and to the west by the Gulf of Thailand. The whole Delta is ... mainly in the Long Xuyen - Ha Tien quadrangle, the Plain of Reeds, the West Hau river Fig.1: The Mekong River Basin and Land forms of the MD in Viet...

Ngày tải lên: 09/12/2013, 22:15

... An overview of the drinking water supply situation 1 in the Mekong river delta, Vietnam (Le Anh Tuan) AN OVERVIEW OF THE DRINKING WATER SUPPLY SITUATION IN THE MEKONG RIVER DELTA, VIETNAM ... million inhabitants living in 4 million hectares of land. All the people living in the Delta have to depend totally on the water resources, mainly the surface water,...

Ngày tải lên: 20/12/2013, 19:15