This paper reviews cultural tourist attractions and transportation conditions of Wan'an County in Jiangxi Province,and calculates the accessibility and kernel density of transportation network by using ArcGIS.Thro...This paper reviews cultural tourist attractions and transportation conditions of Wan'an County in Jiangxi Province,and calculates the accessibility and kernel density of transportation network by using ArcGIS.Through the analysis,it obtains the spatial relationship between the accessibility of Wan an County and the spatial structural characteristics of"one center,two clusters,two verticals and one horizontal"presented by the cultural tourism resources.Based on this,the paper puts forward the transportation development suggestions for the development of cultural tourism for Wan'an County.展开更多
探讨基于遥感和地理信息系统(Geographic Information System,GIS)技术的水资源调查与评价方法,旨在提高水资源管理的效率和准确性。使用遥感技术进行数据采集和处理,以及利用GIS进行空间数据的管理和分析,研究内容涵盖了水资源量的计...探讨基于遥感和地理信息系统(Geographic Information System,GIS)技术的水资源调查与评价方法,旨在提高水资源管理的效率和准确性。使用遥感技术进行数据采集和处理,以及利用GIS进行空间数据的管理和分析,研究内容涵盖了水资源量的计算、水质评价、水资源管理策略等方面。结果显示,遥感和GIS技术能有效提供水资源量化评估,识别和分析水质状况,支持水资源的合理分配和可持续利用。遥感和GIS技术在水资源调查和管理中展现出巨大的潜力,但也面临数据精度、处理复杂性和成本效益的挑战。未来研究需要集成跨学科知识,优化技术应用,以更全面、高效地解决全球水资源问题。展开更多
The forest resources in Xinjiang were surveyed and analyzed based on RS and GIS. Satellite data interpretation was adopted to obtain the general situation of Xinjiang forest resources in assistance with the sampling m...The forest resources in Xinjiang were surveyed and analyzed based on RS and GIS. Satellite data interpretation was adopted to obtain the general situation of Xinjiang forest resources in assistance with the sampling method and on-the-spot investigations. Based on GIS, related data obtained from satellite remote sensing in 1996 and 2001 were studied through contrastive analysis. Moreover, the dynamic variation of Xinjiang forest resources was studied in an all-around way. In the past five years, the areas of the forestland, woodland, sparse woodland, nursery garden and the land usable for forestry in Xinjiang kept growing, moreover, the forest cover rate and the total standing stock volume increased correspondingly, showing that the wooded area and the amount of growing stock in Xinjiang were increasing. The forestland area in Xinjiang went up to 17,837 km^2 from 17,331 km^2, with an annual average increase of 101 km^2. Accordingly, the forest vegetation came to 1.08% from 1.05%, up 0.03 percentage point; the total standing stock volume went up to 289,985,200 m^3 from 262,416,000 m^3, a total increase of 27,569,200 m^3, an annual average increase of 5,514,000 m^3 and an annual average net growth rate of 2.00%. The analysis results showed that the forest resources in Xinjiang were increasing on the whole, however, there remained some problems, such as the sparse natural forests, low forest cover rate, imbalanced wood age structure, and mono tree species composition, etc.展开更多
文摘This paper reviews cultural tourist attractions and transportation conditions of Wan'an County in Jiangxi Province,and calculates the accessibility and kernel density of transportation network by using ArcGIS.Through the analysis,it obtains the spatial relationship between the accessibility of Wan an County and the spatial structural characteristics of"one center,two clusters,two verticals and one horizontal"presented by the cultural tourism resources.Based on this,the paper puts forward the transportation development suggestions for the development of cultural tourism for Wan'an County.
文摘探讨基于遥感和地理信息系统(Geographic Information System,GIS)技术的水资源调查与评价方法,旨在提高水资源管理的效率和准确性。使用遥感技术进行数据采集和处理,以及利用GIS进行空间数据的管理和分析,研究内容涵盖了水资源量的计算、水质评价、水资源管理策略等方面。结果显示,遥感和GIS技术能有效提供水资源量化评估,识别和分析水质状况,支持水资源的合理分配和可持续利用。遥感和GIS技术在水资源调查和管理中展现出巨大的潜力,但也面临数据精度、处理复杂性和成本效益的挑战。未来研究需要集成跨学科知识,优化技术应用,以更全面、高效地解决全球水资源问题。
基金N ationalN aturalScience Foundation ofChina,N o.00013989N o.90302012
文摘The forest resources in Xinjiang were surveyed and analyzed based on RS and GIS. Satellite data interpretation was adopted to obtain the general situation of Xinjiang forest resources in assistance with the sampling method and on-the-spot investigations. Based on GIS, related data obtained from satellite remote sensing in 1996 and 2001 were studied through contrastive analysis. Moreover, the dynamic variation of Xinjiang forest resources was studied in an all-around way. In the past five years, the areas of the forestland, woodland, sparse woodland, nursery garden and the land usable for forestry in Xinjiang kept growing, moreover, the forest cover rate and the total standing stock volume increased correspondingly, showing that the wooded area and the amount of growing stock in Xinjiang were increasing. The forestland area in Xinjiang went up to 17,837 km^2 from 17,331 km^2, with an annual average increase of 101 km^2. Accordingly, the forest vegetation came to 1.08% from 1.05%, up 0.03 percentage point; the total standing stock volume went up to 289,985,200 m^3 from 262,416,000 m^3, a total increase of 27,569,200 m^3, an annual average increase of 5,514,000 m^3 and an annual average net growth rate of 2.00%. The analysis results showed that the forest resources in Xinjiang were increasing on the whole, however, there remained some problems, such as the sparse natural forests, low forest cover rate, imbalanced wood age structure, and mono tree species composition, etc.