With a focus on the difficulty of quantitatively describing the degree of nonuniformity of temporal and spatial distributions of water resources, quantitative research was carried out on the temporal and spatial distr...With a focus on the difficulty of quantitatively describing the degree of nonuniformity of temporal and spatial distributions of water resources, quantitative research was carried out on the temporal and spatial distribution characteristics of water resources in Guangdong Province from 1956 to 2000 based on a cloud model. The spatial variation of the temporal distribution characteristics and the temporal variation of the spatial distribution characteristics were both analyzed. In addition, the relationships between the numerical characteristics of the cloud model of temporal and spatial distributions of water resources and precipitation were also studied. The results show that, using a cloud model, it is possible to intuitively describe the temporal and spatial distribution characteristics of water resources in cloud images. Water resources in Guangdong Province and their temporal and spatial distribution characteristics are differentiated by their geographic locations. Downstream and coastal areas have a larger amount of water resources with greater uniformity and stronger stability in terms of temporal distribution. Regions with more precipitation possess larger amounts of water resources, and years with more precipitation show greater nonuniformity in the spatial distribution of water resources. The correlation between the nonuniformity of the temporal distribution and local precipitation is small, and no correlation is found between the stability of the nonuniformity of the temporal and spatial distributions of water resources and precipitation. The amount of water resources in Guangdong Province shows an increasing trend from 1956 to 2000, the nonuniformity of the spatial distribution of water resources declines, and the stability of the nonuniformity of the spatial distribution of water resources is enhanced.展开更多
Different from traditional farmers, new farmers refer to the high-quality farmers who are educated and skilled, and have the capability of operating. Cultivation of new farmers is a key factor of developing rural huma...Different from traditional farmers, new farmers refer to the high-quality farmers who are educated and skilled, and have the capability of operating. Cultivation of new farmers is a key factor of developing rural human resources, and also the lasting power for the new countryside construction. Guangdong Province has witnessed rapid urbanization and industrialization, and local farmers have been faced with the competition with foreign quality talents and the pressure of survival. Against the background of new countryside construction, this paper studied the supply-demand situation and problems of traditional farmers in Guangdong Province, explored education and cultivation model of new farmers and innovation mechanism, which is signifi cant for improving the innovation level of Guangdong, and promoting the urban-rural coordinated development.展开更多
基金supported by the National Science and Technology Major Project of Water Pollution Control and Treatment(Grants No.2014ZX07405002,2012ZX07506007,2012ZX07506006,and 2012ZX07506002)the Natural Science Foundation of the Anhui Higher Education Institutions of China(Grant No.KJ2016A868)the Priority Academic Program Development of Jiangsu Higher Education Institutions
文摘With a focus on the difficulty of quantitatively describing the degree of nonuniformity of temporal and spatial distributions of water resources, quantitative research was carried out on the temporal and spatial distribution characteristics of water resources in Guangdong Province from 1956 to 2000 based on a cloud model. The spatial variation of the temporal distribution characteristics and the temporal variation of the spatial distribution characteristics were both analyzed. In addition, the relationships between the numerical characteristics of the cloud model of temporal and spatial distributions of water resources and precipitation were also studied. The results show that, using a cloud model, it is possible to intuitively describe the temporal and spatial distribution characteristics of water resources in cloud images. Water resources in Guangdong Province and their temporal and spatial distribution characteristics are differentiated by their geographic locations. Downstream and coastal areas have a larger amount of water resources with greater uniformity and stronger stability in terms of temporal distribution. Regions with more precipitation possess larger amounts of water resources, and years with more precipitation show greater nonuniformity in the spatial distribution of water resources. The correlation between the nonuniformity of the temporal distribution and local precipitation is small, and no correlation is found between the stability of the nonuniformity of the temporal and spatial distributions of water resources and precipitation. The amount of water resources in Guangdong Province shows an increasing trend from 1956 to 2000, the nonuniformity of the spatial distribution of water resources declines, and the stability of the nonuniformity of the spatial distribution of water resources is enhanced.
基金Sponsored by National Natural Science Foundation of China(41301175)Guangdong Provincial Science and Technology Program(20150219)"Eleventh Five-year Plan"Fund of Guangdong Provincial Education and Science(2010TJK088)
文摘Different from traditional farmers, new farmers refer to the high-quality farmers who are educated and skilled, and have the capability of operating. Cultivation of new farmers is a key factor of developing rural human resources, and also the lasting power for the new countryside construction. Guangdong Province has witnessed rapid urbanization and industrialization, and local farmers have been faced with the competition with foreign quality talents and the pressure of survival. Against the background of new countryside construction, this paper studied the supply-demand situation and problems of traditional farmers in Guangdong Province, explored education and cultivation model of new farmers and innovation mechanism, which is signifi cant for improving the innovation level of Guangdong, and promoting the urban-rural coordinated development.