The historical formation and development of the abandoned channel of the Yellow River is reviewed and its causes of formation and present condition of prevention and control are analyzed in this paper. Based on this a...The historical formation and development of the abandoned channel of the Yellow River is reviewed and its causes of formation and present condition of prevention and control are analyzed in this paper. Based on this analysis, some ideas about control, critical problems and countermeasures in the next period are proposed with two typical control models as examples. We suggest that in preventing and controlling the wind-drift sandy lands in the region, the emphasis should be to develop, with a greatly expanded effort, a recycling economy. This should realize a combination of two ideas, i.e. integrate combating desertification with a structural adjustment of agricultural and an increase in the income of farmers.展开更多
The authors put forward some ideas on the strata and age of the wind-drift sand geomorphy in the east Taklimakan Desert as well as the cause on the basis of the extensive investigations on the strata of the wind-drift...The authors put forward some ideas on the strata and age of the wind-drift sand geomorphy in the east Taklimakan Desert as well as the cause on the basis of the extensive investigations on the strata of the wind-drift sand geomorphy in the Taklimakan Desert mainly according to the record, the result of particle analysis and chronological data in T<sub>8710</sub> section located in the dense drifting sand area in the east Taklimakan Desert.展开更多
文摘The historical formation and development of the abandoned channel of the Yellow River is reviewed and its causes of formation and present condition of prevention and control are analyzed in this paper. Based on this analysis, some ideas about control, critical problems and countermeasures in the next period are proposed with two typical control models as examples. We suggest that in preventing and controlling the wind-drift sandy lands in the region, the emphasis should be to develop, with a greatly expanded effort, a recycling economy. This should realize a combination of two ideas, i.e. integrate combating desertification with a structural adjustment of agricultural and an increase in the income of farmers.
文摘The authors put forward some ideas on the strata and age of the wind-drift sand geomorphy in the east Taklimakan Desert as well as the cause on the basis of the extensive investigations on the strata of the wind-drift sand geomorphy in the Taklimakan Desert mainly according to the record, the result of particle analysis and chronological data in T<sub>8710</sub> section located in the dense drifting sand area in the east Taklimakan Desert.