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Research trend analysis of study areas in Qinghai-Tibet Plateau based on the spatial information mining from scientific literatures

机译：基于科学文献空间信息挖掘的青藏高原研究区研究趋势分析

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摘要

The subject intersection becomes one of the hot research topics recently. It is a new direction to integrate the GIS technologies with Bibliometrics. The literatures concerned with geosciences normally involve some spatial related information. In this paper, the spatial information of the study area and sampling or observing points was extracted. Then these data were analyzed and presented by using the GIS technologies. The results indicate that there are big variations of the spatial distribution. For the whole Qinghai-Tibet plateau, the degree of interest increase as follow: southwest, northwest, southeast, and northeast. For the regions, Qilian Mountains, Qiangtang plateau, Qinghai-Tibet Road and Qinghai-Tibet Railway, Qinghai Lake, and Sichuan-Tibet Road are the hotspot regions. There are differences of the distribution characteristics in the different segments along the latitudinal direction and longitudinal direction. There is transfer tendency from middle Qinghai-Tibet Plateau to northern Qinghai-Tibet Plateau. Most of sampling and observing points are close to the traffic lines. The point numbers decrease quickly along with the increasing distance to the traffic lines.
机译：交叉学科成为近来研究的热点之一。将GIS技术与文献计量学相集成是一个新的方向。与地球科学有关的文献通常包含一些与空间有关的信息。本文提取了研究区域的空间信息以及采样点或观测点。然后使用GIS技术对这些数据进行分析和呈现。结果表明，空间分布变化很大。对于整个青藏高原，兴趣度增加的方向如下：西南，西北，东南和东北。就区域而言，祁连山，Qian塘高原，青藏公路和青藏铁路，青海湖和川藏公路是热点地区。沿纬度方向和长度方向的不同部分的分布特性存在差异。从青藏高原中部向青藏高原北部有转移的趋势。大多数采样点和观察点都靠近交通线。随着交通线距离的增加，点数迅速减少。

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