WebGIS is the result of combining the technology of Internet with that of Geographic Information Systems (GIS). This paper aims at some problems in the development of GIS, such as the system of develo
大陆,台湾,香港,澳门,两岸四地测绘人,共襄振兴中华业。作为一门古老的学科,测绘在人类进入信息社会的今天焕发出新的青春。台港澳测绘事业源远流长,进入21世纪以来测绘高新技术更在各个领域得到了非常实在的应用,充分体现了测绘在经济建设、社会发展中不可或缺的重要作用。从1992年至今,两岸四地测绘界的有识之士先后在成都、台南、香港、长春欢聚一堂,切磋交流。血脉相联,同胞情深。十几年的交流探讨,使我们得以
在第四届海峡两岸测绘发展研讨会上,一位来自台湾的测量专家对记者说,台湾测绘行业的竞争非常激烈,把测绘科技新成果不断推向应用是测量单位生存的手段。在众多台湾专家学者所作的报告中,我们可以看出,他们非常重视测绘技术的应用成果。技术领先,重在实用,这是台湾测绘界面对残酷的市场竞争不得不做出的选择。记者遴选整理了部分台湾学者介绍的测绘科技应用事例,希望对读者有所帮助。
In order to study the spatial-temporal change and environmental management of regional karst LUCC (land use and land cover change) and its causative environmental effect—rocky desertification by integ
The features of physical geography in the transitional region between Qinling Mountains and Huanghuai Plain possess transitional characters evidently in two directions: one is from the western mountai
This paper reports a geomorphologic landscape investigation, vegetation survey and soil sampling at 14 sites across the Gurbantunggut Desert between 87o3709-88o2404E and 44o1404-45o4152N. The study en
The environment evolution of Wuliangsuhai wetland since 1986 is analyzed based on the remote sensing principle. The total water area of Wuliangsuhai lake has been increased during the past 17 years. T
The distribution of soil organic matter (SOM) and nitrogen on Gongga Mountain was studied in this paper. The results showed that the content of SOM and nitrogen (N) of A horizon had an ascending trend