Primary Deformation Analyses of High Pressure Metamorphic Rock in Western Dabie Mountain Area

In the western Dabie Mountain area, the eclogites have similar compositions and tectonic environment, which could be contrastively researched. Except for the reservation of the early structural deformation inside and outside of the eclogite lens, there is no obvious difference between the characteristics of the foliation and lineation in the eclogite lens from the one in surrounding region. So this paper concludes that the eclogites or blueschists (high pressure metamorphic rocks, i. e. HPM) are basically situated in the original position. The eclogites are mostly superposed by the ductile shear zone and show the feature of structural displacement, but so far we have not discovered any large scale structural zone to uplift eclogite return. Based on the analyses of finite strain measure, petrofabric analysis and TEM image for some minerals such as quartz and garnet, we could efficiently know the deforming characteristics of the eclogite in the prophase and anaphase of the main deforming epoch, and finally determine the forming condition of eclogite according to the strain and the differential stress. This paper puts forward preliminary conclusion that some HPM rocks could be formed by the deep layer embedding and local stress concentration in the process of regional metamorphism.

Research on Meteorological Disaster Risk of Hotels in the Dabie Mountain Scenic Area

Using meteorological data of Anhui Meteorological Bureau,based on the multi-level fuzzy comprehensive analysis method,this paper preliminarily explores the main types and various influencing factors of regional meteorological disasters related to hotel buildings in the Dabie Mountain Scenic Area,and puts forward suggestions on how to deal with the risk of meteorological disasters in the scenic area,in order to provide a better understanding of the Dabie Mountains.It provides a theoretical basis for better response to meteorological disaster decision-making in the development of the scenic spot,and also hopes to provide reference for other Dabie Mountain scenic spots in Hubei and Henan.The research results show that the main types of meteorological disasters faced by hotel buildings in the Dabie Mountain Scenic Area are:rainstorm,thunder and lightning,heavy fog,and snow disaster.The occurrence frequency of various disasters is higher than that of the plains,and the intensity is higher.Due to the high altitude of the hotel buildings,the soil resistivity has obvious mutation or stratification.The terrain surrounded by mountains on three sides often becomes a good conductor of lightning,and the risk of lightning strikes is high,and the lighting weather is frequent.The Dabie Mountain Scenic Area is prone to heavy fog,frost,snow disaster and other weather due to its high altitude,high air humidity and low temperature.Hotels in the Dabie Mountain Scenic Area should effectively deal with meteorological disasters and reduce losses by formulating disaster prevention plans,strengthening lightning protection engineering measures for hotel buildings,and regularly testing and maintaining the lightning protection devices installed in hotels.

The Research of Forest Soil Organic Carbon Accumulation in Dabie Mountain

In subtropical to warm temperate transitional zone of the Dabie Mountains hinterland forest topsoil as the research object this text,through the different levels of soil bulk density,organic carbon content of the determination of analytical studies in the area of forest surface soil organic carbon density.Because of the ecological role of small environment,the study area within the soil bulk density increased with depth,surface soil porosity,and bulk density from top to bottom in 0.8.All measuring points are the 0-10 cm surface layer soil organic carbon content are highest,content between 67.232-61.940 g/kg,this,because the forest soil organic carbon important source withers and falls in the vegetation stack and rotten.Different measuring point organic carbon along with depth change characteristic slightly different,low elevation the measuring point soil organic carbon content increases the monotonous drop along with the depth,the elevation is high,the measuring point slightly has in the 30-40 cm depth content increases.The comprehensive bulk specific gravity factor computation,the 0-40 cm soil organic carbon total content slightly has along with altitude above sea level’s rise increases,each square meter organic carbon content between 16 560.5-18 354.6 g,studies the region 0-40 cm soil organic carbon content mean value by 3 measuring points mean value achievement,then this region 0-40 cm soil organic carbon density approximately 174.3 t/hm2;Refers to the related research between the surface layer and the 0-100 cm soil layer organic carbon content relational reckoning,studies the region 0-100 cm soil organic carbon density to be possible to reach 233.9 t/hm2,it indicated that the Dabie Mountain area forest soil system has the giant organic carbon capacity.