一种基于微博签到数据的城市功能区复合程度探究方法

城市功能区复合程度是城市发展规划、评价城市区域发展均衡性的重要参考。本文以深圳市为研究对象,首先,划分渔网单元与微博签到数据求交计算样方单元各类签到数据比例。其次,采用香农熵对复合程度进行定量化描述并连接渔网赋予属性值。最后,基于Arc GIS由粗至细进行可视化呈现和分析。结果表明,提出的方法能够有效地表示城市功能区的复合情况,具有较强的可操作性。

A Research on the Complexity of Urban Functional Areas Based on Weibo Sign-in Data

The complexity of urban functional areas is an important reference for urban development planning and evaluation of the balance of urban regional development.Taking Shenzhen as the research object,first,create fishnet and intersect Weibo sign-in data to calculate the proportion of various types of sign-in data of the sample unit,and then use Shannon entropy to quantitatively describe the degree of complexity and connect the fishnet to assign attribute values.Finally,visualize and analyze from coarse to fine based on ArcGIS.The results show that the proposed method can effectively represent the complexity of urban functional areas and has strong operability.