A detailed landslide susceptibility map was produced in the Youfang catchment using logistic regression method with datasets developed for a geographic information system(GIS).Known as one of the most landslide-prone ...A detailed landslide susceptibility map was produced in the Youfang catchment using logistic regression method with datasets developed for a geographic information system(GIS).Known as one of the most landslide-prone areas in China, the Youfang catchment of Longnan mountain region,which lies in the transitional area among QinghaiTibet Plateau, loess Plateau and Sichuan Basin, was selected as a representative case to evaluate the frequency and distribution of landslides.Statistical relationships for landslide susceptibility assessment were developed using landslide and landslide causative factor databases.Logistic regression(LR)was used to create the landslide susceptibility maps based on a series of available data sources: landslide inventory; distance to drainage systems, faults and roads; slope angle and aspect; topographic elevation and topographical wetness index, and land use.The quality of the landslide susceptibility map produced in this paper was validated and the result can be used fordesigning protective and mitigation measures against landslide hazards.The landslide susceptibility map is expected to provide a fundamental tool for landslide hazards assessment and risk management in the Youfang catchment.展开更多
With the development of information technology, how to build a resource library that adapt to the development of vocational education, professional characteristics favor standardized resource sharing between vocationa...With the development of information technology, how to build a resource library that adapt to the development of vocational education, professional characteristics favor standardized resource sharing between vocational schools, scientific and open career teaching vocational education teaching reform and information technology become the urgent problem. This article starts from the repository construction characteristics and the actual situation of the College of departure, and actively explores the network database curriculum resource library building programs.展开更多
This paper uses oriented process method to analysis and design the system, using SQL Server 2000 database as the backend database support platform system, using three layer B/S architecture to support, the system prov...This paper uses oriented process method to analysis and design the system, using SQL Server 2000 database as the backend database support platform system, using three layer B/S architecture to support, the system provides a good interface and function feature, data have high safety performance, high reliability and low cost, the system can improve the work efficiency of college personnel, improve the efficiency of management, and has a certain practical significance.展开更多
基金supported by the Priority Academic Program Development of Jiangsu Higher Education Institutions(164320H101)the Opening Fund of State Key Laboratory of Geohazard Prevention and Geoenvironment Protection of Chengdu University of Technology,China(SKLGP2012K012)+4 种基金the Opening Fund of Key Laboratory for Geo-hazards in Loess area(GLA2014005)the National Natural Science Foundation of China(No.40801212 and No.41201424)the 973 National Basic Research Program(Nos.2013CB733203,2013CB733204)the 863 National High-Tech Rand D Program(No.2012AA121302)the FP6 project"Mountain Risks"of the European Commission(No.MRTNCT-2006-035798)
文摘A detailed landslide susceptibility map was produced in the Youfang catchment using logistic regression method with datasets developed for a geographic information system(GIS).Known as one of the most landslide-prone areas in China, the Youfang catchment of Longnan mountain region,which lies in the transitional area among QinghaiTibet Plateau, loess Plateau and Sichuan Basin, was selected as a representative case to evaluate the frequency and distribution of landslides.Statistical relationships for landslide susceptibility assessment were developed using landslide and landslide causative factor databases.Logistic regression(LR)was used to create the landslide susceptibility maps based on a series of available data sources: landslide inventory; distance to drainage systems, faults and roads; slope angle and aspect; topographic elevation and topographical wetness index, and land use.The quality of the landslide susceptibility map produced in this paper was validated and the result can be used fordesigning protective and mitigation measures against landslide hazards.The landslide susceptibility map is expected to provide a fundamental tool for landslide hazards assessment and risk management in the Youfang catchment.
文摘With the development of information technology, how to build a resource library that adapt to the development of vocational education, professional characteristics favor standardized resource sharing between vocational schools, scientific and open career teaching vocational education teaching reform and information technology become the urgent problem. This article starts from the repository construction characteristics and the actual situation of the College of departure, and actively explores the network database curriculum resource library building programs.
文摘This paper uses oriented process method to analysis and design the system, using SQL Server 2000 database as the backend database support platform system, using three layer B/S architecture to support, the system provides a good interface and function feature, data have high safety performance, high reliability and low cost, the system can improve the work efficiency of college personnel, improve the efficiency of management, and has a certain practical significance.
