In recent years, debris flow disasters have occurred frequently along the highway, causing river blockages and road interruptions, which seriously threaten safety of people's lives property. Highway G318 is an important throat project linking Sichuan Tibet; at same time, it channel for economic development Tibet transportation national defense materials. Taking Linzhi–Lhasa Section as example, ...

introductionin the modern era of communication, by increasing population the resources would be relativelyscarce. therefore, in order to deal with environmental serious problems and complex humanclimaterelationship in all dimensions of spatiotemporal and land use planning and programmingpractices, the climatic zone map was a sustainable developmental tool in the study area.methodologythe climat...

Abstract Submarine geomorphology underwent significant development in the second half of twentieth century, largely thanks to advances technology by military, navigation and hydrocarbon industry, which were later transferred academic commercial sectors. In this chapter we summarize key methods used submarine between 1950 2000, include sidescan sonar, multibeam echo sounder, reflection seismolog...

This article provides a background for scientists interested in a general overview of the geology and geomorphology of Turkmenistan. The basement of Turkmenistan is a complex amalgamation of arc-related terranes developed in the Asiatic and northern Paleotethys oceanic domains during Late Paleozoic to Triassic times. A major part of the country coincides with the Turan Platform, where a thick s...

soil erosion is a serious environmental problem in vazroud watershed, which is located in the centre of the mazandaran province, iran. unfortunately, vazroud watershed like most iran watersheds don’t have recorded data and erosion and sedimentation gages to research, monitor and model soil erosion at large watershed. in order to assess the soil erosion risk, soil erosion modeling at the watersh...