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<section style="box-sizing: border-box;font-size: 16px;"><section style="box-sizing: border-box;" powered-by="gulangu"><section style="box-sizing: border-box;"><section style="width: auto;vertical-align: top;box-sizing: border-box;max-width: 100%;"><section style="box-sizing: border-box;" powered-by="gulangu"><section style="max-width: 100%;box-sizing: border-box;"><section style="box-sizing: border-box;max-width: 100%;"><section style="display: inline;max-width: 100%;box-sizing: border-box;" powered-by="gulangu"><section style="max-width: 100%;box-sizing: border-box;"><section style="margin-top: 10px;margin-right: 0%;margin-left: 0%;box-sizing: border-box;max-width: 100%;"><section style="display: inline;max-width: 100%;box-sizing: border-box;" powered-by="gulangu"><section style="box-sizing: border-box;max-width: 100%;"><section style="display: inline-block;vertical-align: top;width: auto;max-width: 100%;box-sizing: border-box;"><section style="box-sizing: border-box;" powered-by="gulangu"><section style="display: inline-block;box-sizing: border-box;"><section style="display: inline-block;vertical-align: top;height: 2em;padding-right: 0.5em;padding-left: 0.5em;line-height: 2em;background-color: rgb(243, 243, 243);text-align: center;color: rgb(212, 81, 72);box-sizing: border-box;max-width: 100%;"><section style="box-sizing: border-box;"><p style="box-sizing: border-box;"><strong style="box-sizing: border-box;"><span style="letter-spacing: 0px;box-sizing: border-box;">39 Boundaries and blocks in redefined cities of China 2011 & 2016</span><br style="box-sizing: border-box;"  /></strong></p><p style="box-sizing: border-box;">(https://www..com/data-released-1/)</p><p style="box-sizing: border-box;"><br  /></p><p style="box-sizing: border-box;"><br style="box-sizing: border-box;"  /></p><p style="box-sizing: border-box;"><br  /></p></section></section></section></section><section style="box-sizing: border-box;" powered-by="gulangu"><section style="box-sizing: border-box;"><section style="box-sizing: border-box;"><p style="box-sizing: border-box;"><br style="box-sizing: border-box;"  /></p></section></section></section><section style="box-sizing: border-box;" powered-by="gulangu"><section style="text-align: center;margin-top: 10px;margin-bottom: 10px;box-sizing: border-box;"><section style="max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;"><img class="raw-image" data-backh="461" data-backw="534" data-before-oversubscription-url="http://read.html5.qq.com/image?src=forum&q=5&r=0&imgflag=7&imageUrl=http://mmbiz.qpic.cn/mmbiz_jpg/J47xvAibNt7LORhWQwwiayd6JmkcsghNd9o5eCNj2wlYnMvMU3pXlNDAUhRo5LBic4qyI43M0XPAVl1v4priaHXmnA/0?wx_fmt=jpeg" data-croporisrc="http://read.html5.qq.com/image?src=forum&q=5&r=0&imgflag=7&imageUrl=http://mmbiz.qpic.cn/mmbiz_png/J47xvAibNt7LORhWQwwiayd6JmkcsghNd9zhc8LbJwugYrjm496KiaI8dJSplPiaSAQPUWPahJeUmMm0C9e9hhEOyA/640?wx_fmt=png" data-cropx1="0" data-cropx2="979.6402877697841" data-cropy1="75.2158273381295" data-cropy2="919.1007194244605" src="http://read.html5.qq.com/image?src=forum&q=5&r=0&imgflag=7&imageUrl=http://mmbiz.qpic.cn/mmbiz_jpg/J47xvAibNt7LORhWQwwiayd6JmkcsghNd9o5eCNj2wlYnMvMU3pXlNDAUhRo5LBic4qyI43M0XPAVl1v4priaHXmnA/640?wx_fmt=jpeg" data-type="jpeg" style="vertical-align: middle;box-sizing: border-box;width: 100%;height: auto;" data-ratio="0.8631256384065373" data-w="979"  /></section></section></section><section style="box-sizing: border-box;" powered-by="gulangu"><section style="display: inline-block;box-sizing: border-box;"><section style="display: inline-block;vertical-align: top;height: 2em;padding-right: 0.5em;padding-left: 0.5em;line-height: 2em;background-color: rgb(243, 243, 243);text-align: center;color: rgb(212, 81, 72);box-sizing: border-box;max-width: 100%;"><section style="box-sizing: border-box;"><p style="box-sizing: border-box;"><strong style="letter-spacing: 0px;box-sizing: border-box;">数据介紹</strong><br style="box-sizing: border-box;"  /></p><p style="box-sizing: border-box;"><br  /></p></section></section></section></section><section style="box-sizing: border-box;" powered-by="gulangu"><section style="max-width: 100%;width: 100%;box-sizing: border-box;"><section style="display: inline-block;width: 100%;vertical-align: top;background-color: rgb(243, 243, 243);padding-top: 10px;padding-bottom: 10px;box-sizing: border-box;"><section style="display: inline;max-width: 100%;box-sizing: border-box;" powered-by="gulangu"><section style="max-width: 100%;box-sizing: border-box;"><section style="box-sizing: border-box;max-width: 100%;"><section style="display: inline;max-width: 100%;box-sizing: border-box;" powered-by="gulangu"><section style="max-width: 100%;box-sizing: border-box;"><section style="margin-right: 0%;margin-left: 0%;box-sizing: border-box;max-width: 100%;"><section style="display: inline;max-width: 100%;box-sizing: border-box;" powered-by="gulangu"><section style="box-sizing: border-box;"><section style="color: rgb(105, 115, 117);padding-right: 25px;padding-left: 25px;font-size: 15px;box-sizing: border-box;max-width: 100%;"><p style="white-space: normal;box-sizing: border-box;"><span style="font-size: 14px;box-sizing: border-box;">The dataset "Redefined Cities" depicts the redefined central regions of natural cities across China using emerging spatial big data. The dataset includes four shapefile data: redefined cities in 2011 and 2016, and corresponding blocks within cities. The redefined cities and blocks are computed with the method of redefining cities (Song, Y. et al. 2018) and points of interest (POIs) data. </span></p><p style="white-space: normal;box-sizing: border-box;"><span style="font-size: 14px;box-sizing: border-box;"><br  /></span></p><p style="white-space: normal;box-sizing: border-box;"><span style="color: rgb(0, 0, 0);font-size: 14px;box-sizing: border-box;">利用新兴的大规模地理空间大数据，我们对中国城市系统从实体地域角度进行了全面的重新定义，本数据集对这一成果进行了共享：包括四个shapefile数据：2011年和2016年重新定义的城市边界，以及重新定义城市内部相应的地块构成。</span></p><p style="white-space: normal;box-sizing: border-box;"><span style="font-size: 14px;box-sizing: border-box;"> </span></p><p style="white-space: normal;box-sizing: border-box;"><span style="font-size: 14px;box-sizing: border-box;">The brief descriptions and attributes of four shapefile data are listed below.</span></p><p style="white-space: normal;box-sizing: border-box;"><span style="font-size: 14px;box-sizing: border-box;"><br  /></span></p><p style="white-space: normal;box-sizing: border-box;"><span style="color: rgb(0, 0, 0);font-size: 14px;box-sizing: border-box;">下面列出了四个shapefile数据的简要描述和属性：</span></p><p style="white-space: normal;box-sizing: border-box;"><span style="font-size: 14px;box-sizing: border-box;"> </span></p><p style="white-space: normal;box-sizing: border-box;"><span style="font-size: 14px;box-sizing: border-box;">(1) Redefined cities in 2011</span></p><p style="white-space: normal;box-sizing: border-box;"><span style="font-size: 14px;box-sizing: border-box;">The data consists of 2005 redefined cities with the total area of 0.167 million square kilometres. Five attributes are available for the data, including ID of redefined cities (CityID), area (Areakm2), POI density (PoiDens), density of road junctions (JuncDens) and population density (PopDens). </span></p><p style="white-space: normal;box-sizing: border-box;"><span style="font-size: 14px;box-sizing: border-box;"><br  /></span></p><p style="white-space: normal;box-sizing: border-box;"><span style="color: rgb(0, 0, 0);font-size: 14px;box-sizing: border-box;">(1) 2011年重新定义城市</span></p><p style="white-space: normal;box-sizing: border-box;"><span style="color: rgb(0, 0, 0);font-size: 14px;box-sizing: border-box;">数据包括2005个重新定义的城市，总面积为0.167万平方公里。数据有五个属性，包括重新定义的城市ID (CityID)、面积(Areakm2)、POI密度(PoiDens)、道路交叉口密度(juncden)和人口密度(PopDens)</span></p><p style="white-space: normal;box-sizing: border-box;"><span style="font-size: 14px;box-sizing: border-box;"> </span></p><p style="white-space: normal;box-sizing: border-box;"><span style="font-size: 14px;box-sizing: border-box;">(2) Blocks of redefined cities in 2011</span></p><p style="white-space: normal;box-sizing: border-box;"><span style="font-size: 14px;box-sizing: border-box;">The data consists of 78 thousand blocks within the 2005 redefined cities. It includes two attributes: the corresponding ID of redefined cities (CityID) and areas of blocks (Areakm2). </span></p><p style="white-space: normal;box-sizing: border-box;"><br  /></p><p style="white-space: normal;box-sizing: border-box;"><span style="color: rgb(0, 0, 0);font-size: 14px;box-sizing: border-box;">2) 2011年重新定义的城市街区</span></p><p style="white-space: normal;box-sizing: border-box;"><span style="color: rgb(0, 0, 0);font-size: 14px;box-sizing: border-box;">这些数据由2005个重新定义的城市中的7.8万个地块组成。它包含两个属性:重新定义的城市的对应ID (CityID)和块的面积(Areakm2)</span></p><p style="white-space: normal;box-sizing: border-box;"><span style="font-size: 14px;letter-spacing: 0px;box-sizing: border-box;"> <br style="box-sizing: border-box;"  /></span></p><p style="white-space: normal;box-sizing: border-box;"><span style="font-size: 14px;box-sizing: border-box;">(3) Redefined cities in 2016</span></p><p style="white-space: normal;box-sizing: border-box;"><span style="font-size: 14px;box-sizing: border-box;">The data consists of 4678 redefined cities with the total area of 0.726 million square kilometres. Three attributes are available for the data, including ID of redefined cities (CityID), area (Areakm2) and POI density (PoiDens).</span></p><p style="white-space: normal;box-sizing: border-box;"><span style="font-size: 14px;box-sizing: border-box;"><br  /></span></p><p style="white-space: normal;box-sizing: border-box;"><span style="color: rgb(0, 0, 0);font-size: 14px;box-sizing: border-box;">(3) 2016年重新定义城市</span></p><p style="white-space: normal;box-sizing: border-box;"><span style="color: rgb(0, 0, 0);font-size: 14px;box-sizing: border-box;">数据包括4678个重新界定的城市，总面积为0.726万平方公里。数据有三个属性，包括重新定义的城市ID (CityID)、面积(Areakm2)和POI密度(PoiDens)</span></p><p style="box-sizing: border-box;"><br  /></p><p style="white-space: normal;box-sizing: border-box;"><span style="font-size: 14px;box-sizing: border-box;">(4) Blocks of redefined cities in 2016</span></p><p style="white-space: normal;box-sizing: border-box;"><span style="font-size: 14px;box-sizing: border-box;">The data consists of 187 thousand blocks within the 4678 redefined cities. It includes two attributes: the corresponding ID of redefined cities (CityID) and areas of blocks (Aream2). </span></p><p style="white-space: normal;box-sizing: border-box;"><span style="font-size: 14px;box-sizing: border-box;"><br  /></span></p><p style="white-space: normal;box-sizing: border-box;"><span style="color: rgb(0, 0, 0);font-size: 14px;box-sizing: border-box;">(4) 2016年重新定义的城市街区</span></p><p style="white-space: normal;box-sizing: border-box;"><span style="color: rgb(0, 0, 0);font-size: 14px;box-sizing: border-box;">数据由4678个重新定义的城市中的18.7万个地块组成。它包含两个属性:重新定义的城市的对应ID (CityID)和块的面积(Aream2)</span></p><p style="white-space: normal;box-sizing: border-box;"><span style="font-size: 14px;box-sizing: border-box;"> </span></p><p style="white-space: normal;box-sizing: border-box;"><span style="font-size: 14px;box-sizing: border-box;"></span></p><p>Note that the comparison between redefined cities in 2011 and 2016 may not be exactly comparative due to different sources and collection methods of POI datasets in the two years.</p><p> </p><p>We recommend you cite the following publication as a reference of the data and a courtesy for using the data (attached below as well):</p><ul class=" list-paddingleft-2" style="list-style-type: circle;"><li><p>Song, Yongze, Ying Long, Peng Wu, and Xiangyu Wang. "Are all cities with similar urban form or not? Redefining cities with ubiquitous points of interest and evaluating them with indicators at city and block levels in China." International Journal of Geographical Information Science 32, no. 12 (2018): 2447-2476. Doi: 10.1080/13658816.2018.1511793</p></li></ul><p style="white-space: normal;box-sizing: border-box;"><span style="font-size: 14px;box-sizing: border-box;"></span><br  /></p><p style="white-space: normal;box-sizing: border-box;"><br  /></p><p style="white-space: normal;box-sizing: border-box;">点击阅读原文，以获取数据<br  /></p></section></section></section></section></section></section></section></section></section></section></section></section><section style="box-sizing: border-box;" powered-by="gulangu"><section style="box-sizing: border-box;"><section style="box-sizing: border-box;"><p style="box-sizing: border-box;"><br style="box-sizing: border-box;"  /></p><p><img class="" data-copyright="0" data-ratio="1.2609375" data-s="300,640" src="http://read.html5.qq.com/image?src=forum&q=5&r=0&imgflag=7&imageUrl=http://mmbiz.qpic.cn/mmbiz_jpg/J47xvAibNt7LORhWQwwiayd6JmkcsghNd9ia9jkOFo036XgBfQdIcFujU4PY0J8zb5gDpC7agmoTw5jvmwY7WFiahw/640?wx_fmt=jpeg" data-type="jpeg" data-w="1280" style=""  /></p><p><img class="" data-copyright="0" data-ratio="0.91171875" data-s="300,640" src="http://read.html5.qq.com/image?src=forum&q=5&r=0&imgflag=7&imageUrl=http://mmbiz.qpic.cn/mmbiz_jpg/J47xvAibNt7LORhWQwwiayd6JmkcsghNd9MicficibRJJuUIYdYUpdLpYkibIHeicfRjaLYqzVCYQHob8LhIJeKMbicTxA/640?wx_fmt=jpeg" data-type="jpeg" data-w="1280" style=""  /></p><p><img class="" data-copyright="0" data-ratio="1.3671875" data-s="300,640" src="http://read.html5.qq.com/image?src=forum&q=5&r=0&imgflag=7&imageUrl=http://mmbiz.qpic.cn/mmbiz_jpg/J47xvAibNt7LORhWQwwiayd6JmkcsghNd98LzoLibib7MQqib6ZV67QNmTK2NlmoLYTb9oicZa9r8icGr2IUAJejmtIVw/640?wx_fmt=jpeg" data-type="jpeg" data-w="1280" style=""  /></p><p style="box-sizing: border-box;"><br  /></p><p style="box-sizing: border-box;"><br  /></p></section></section></section><section style="box-sizing: border-box;" powered-by="gulangu"><section style="display: inline-block;box-sizing: border-box;"><section style="display: inline-block;vertical-align: top;height: 2em;padding-right: 0.5em;padding-left: 0.5em;line-height: 2em;background-color: rgb(243, 243, 243);text-align: center;color: rgb(212, 81, 72);box-sizing: border-box;max-width: 100%;"><section style="box-sizing: border-box;"><p style="box-sizing: border-box;"><strong style="letter-spacing: 0px;box-sizing: border-box;">数据背景了解：对应的论文摘要</strong><br style="box-sizing: border-box;"  /></p><p style="box-sizing: border-box;"><br  /></p></section></section></section></section></section></section></section></section></section></section></section></section></section><section style="box-sizing: border-box;" powered-by="gulangu"><section style="max-width: 100%;box-sizing: border-box;"><section style="box-sizing: border-box;max-width: 100%;"><section style="display: inline;max-width: 100%;box-sizing: border-box;" powered-by="gulangu"><section style="max-width: 100%;box-sizing: border-box;"><section style="margin-right: 0%;margin-bottom: 10px;margin-left: 0%;box-sizing: border-box;max-width: 100%;"><section style="display: inline;max-width: 100%;box-sizing: border-box;" powered-by="gulangu"><section style="max-width: 100%;width: 100%;box-sizing: border-box;"><section style="display: inline-block;width: 100%;vertical-align: top;background-color: rgb(243, 243, 243);padding-top: 10px;padding-bottom: 10px;box-sizing: border-box;"><section style="display: inline;max-width: 100%;box-sizing: border-box;" powered-by="gulangu"><section style="max-width: 100%;box-sizing: border-box;"><section style="box-sizing: border-box;max-width: 100%;"><section style="display: inline;max-width: 100%;box-sizing: border-box;" powered-by="gulangu"><section style="max-width: 100%;box-sizing: border-box;"><section style="margin-right: 0%;margin-left: 0%;box-sizing: border-box;max-width: 100%;"><section style="display: inline;max-width: 100%;box-sizing: border-box;" powered-by="gulangu"><section style="box-sizing: border-box;"><section style="color: rgb(105, 115, 117);padding-right: 25px;padding-left: 25px;font-size: 15px;box-sizing: border-box;max-width: 100%;"><section style="box-sizing: border-box;"><p style="white-space: normal;box-sizing: border-box;">城市形态反映了城市的空间结构, 在中国, 城市的空间结构发生了剧烈的变化。由于类似的城市规划习惯和策略, 快速城市化可能导致类似的城市形式。然而, 中国的城市形态是相同的还是显著的不同, 目前还没有进行实证研究。Yongze Song, Ying Long, Peng Wu, Xiangyu Wang 以城市和街区这两个空间单位为基础, 对中国城市形态进行了研究，将重新定界的城市分为四个层次，以考察不同城市发展阶段对城市形态的影响。</p></section></section></section></section></section></section></section></section></section></section></section></section></section><section style="display: inline;max-width: 100%;box-sizing: border-box;" powered-by="gulangu"><section style="max-width: 100%;width: 100%;box-sizing: border-box;"><section style="display: inline-block;width: 100%;vertical-align: top;background-color: rgb(243, 243, 243);padding-top: 10px;padding-bottom: 10px;box-sizing: border-box;"></section></section></section></section></section></section></section></section></section><section style="box-sizing: border-box;" powered-by="gulangu"><section style="max-width: 100%;box-sizing: border-box;"><section style="box-sizing: border-box;max-width: 100%;"><section style="display: inline;max-width: 100%;box-sizing: border-box;" powered-by="gulangu"><section style="max-width: 100%;box-sizing: border-box;"><section style="box-sizing: border-box;max-width: 100%;"><section style="display: inline;max-width: 100%;box-sizing: border-box;" powered-by="gulangu"><section style="max-width: 100%;box-sizing: border-box;"><section style="box-sizing: border-box;max-width: 100%;"><section style="display: inline;max-width: 100%;box-sizing: border-box;" powered-by="gulangu"><section style="box-sizing: border-box;"><section style="box-sizing: border-box;max-width: 100%;"><p style="box-sizing: border-box;"><br style="box-sizing: border-box;"  /></p></section></section></section></section></section></section></section></section></section></section></section></section><section style="box-sizing: border-box;" powered-by="gulangu"><section style="max-width: 100%;box-sizing: border-box;"><section style="box-sizing: border-box;max-width: 100%;"><section style="display: inline;max-width: 100%;box-sizing: border-box;" powered-by="gulangu"><section style="max-width: 100%;box-sizing: border-box;"><section style="box-sizing: border-box;max-width: 100%;"><section style="display: inline;max-width: 100%;box-sizing: border-box;" powered-by="gulangu"><section style="max-width: 100%;box-sizing: border-box;"><section style="box-sizing: border-box;max-width: 100%;"><section style="display: inline;max-width: 100%;box-sizing: border-box;" powered-by="gulangu"><section style="box-sizing: border-box;"><section style="box-sizing: border-box;max-width: 100%;"><p style="box-sizing: border-box;"><br style="box-sizing: border-box;"  /></p></section></section></section></section></section></section></section></section></section></section></section></section><section style="box-sizing: border-box;" powered-by="gulangu"><section style="max-width: 100%;box-sizing: border-box;"><section style="box-sizing: border-box;max-width: 100%;"><section style="display: inline;max-width: 100%;box-sizing: border-box;" powered-by="gulangu"><section style="max-width: 100%;box-sizing: border-box;"><section style="margin-top: 10px;margin-bottom: 10px;text-align: center;box-sizing: border-box;max-width: 100%;"><section style="display: inline;max-width: 100%;box-sizing: border-box;" powered-by="gulangu"><section style="box-sizing: border-box;"><section style="display: inline-block;width: auto;vertical-align: middle;box-sizing: border-box;max-width: 100%;"><section style="box-sizing: border-box;" powered-by="gulangu"><section style="max-width: 100%;box-sizing: border-box;"><section style="height: 5px;line-height: 5px;box-sizing: border-box;max-width: 100%;"><section style="display: inline-block;max-width: 100%;box-sizing: border-box;" powered-by="gulangu"><section style="display: inline-block;box-sizing: border-box;"><section style="padding-right: 8px;padding-left: 3px;display: inline-block;vertical-align: bottom;background-color: rgb(255, 255, 255);box-sizing: border-box;max-width: 100%;"><section style="display: inline;max-width: 100%;box-sizing: border-box;" powered-by="gulangu"><section style="float: left;box-sizing: border-box;"><section style="width: 5px;height: 5px;float: left;border-radius: 50%;margin-left: 4px;background-color: rgb(212, 81, 72);box-sizing: border-box;"></section></section></section><section style="display: inline;max-width: 100%;box-sizing: border-box;" powered-by="gulangu"><section style="float: left;box-sizing: border-box;"><section style="width: 5px;height: 5px;float: left;border-radius: 50%;margin-left: 4px;background-color: rgb(212, 81, 72);box-sizing: border-box;"></section></section></section><section style="display: inline;max-width: 100%;box-sizing: border-box;" powered-by="gulangu"><section style="float: left;box-sizing: border-box;"><section style="width: 5px;height: 5px;float: left;border-radius: 50%;margin-left: 4px;background-color: rgb(212, 81, 72);box-sizing: border-box;"></section></section></section><section style="display: inline;max-width: 100%;box-sizing: border-box;" powered-by="gulangu"><section style="float: left;box-sizing: border-box;"><section style="width: 5px;height: 5px;float: left;border-radius: 50%;margin-left: 4px;background-color: rgb(212, 81, 72);box-sizing: border-box;"></section></section></section></section></section></section></section></section></section><section style="box-sizing: border-box;" powered-by="gulangu"><section style="box-sizing: border-box;"><section style="border-top: 1px solid rgb(210, 210, 210);border-bottom: 1px solid rgb(210, 210, 210);margin-top: -3px;margin-bottom: -3px;padding: 3px 6px;box-sizing: border-box;max-width: 100%;"><section style="box-sizing: border-box;"><p style="box-sizing: border-box;"><strong style="box-sizing: border-box;">Are all cities with similar urban form or not?</strong></p><p style="box-sizing: border-box;"><span style="font-size: 14px;box-sizing: border-box;"><strong style="box-sizing: border-box;">Redefining cities with ubiquitous points of interest </strong><strong style="letter-spacing: 0px;box-sizing: border-box;">and evaluating them with indicators at city and </strong><strong style="letter-spacing: 0px;box-sizing: border-box;">block levels in China</strong></span></p></section></section></section></section><section style="box-sizing: border-box;" powered-by="gulangu"><section style="max-width: 100%;box-sizing: border-box;"><section style="height: 5px;line-height: 5px;box-sizing: border-box;max-width: 100%;"><section style="display: inline-block;max-width: 100%;box-sizing: border-box;" powered-by="gulangu"><section style="display: inline-block;box-sizing: border-box;"><section style="padding-right: 8px;padding-left: 3px;display: inline-block;vertical-align: top;background-color: rgb(255, 255, 255);box-sizing: border-box;max-width: 100%;"><section style="display: inline;max-width: 100%;box-sizing: border-box;" powered-by="gulangu"><section style="float: left;box-sizing: border-box;"><section style="width: 5px;height: 5px;float: left;border-radius: 50%;margin-left: 4px;background-color: rgb(212, 81, 72);box-sizing: border-box;"></section></section></section><section style="display: inline;max-width: 100%;box-sizing: border-box;" powered-by="gulangu"><section style="float: left;box-sizing: border-box;"><section style="width: 5px;height: 5px;float: left;border-radius: 50%;margin-left: 4px;background-color: rgb(212, 81, 72);box-sizing: border-box;"></section></section></section><section style="display: inline;max-width: 100%;box-sizing: border-box;" powered-by="gulangu"><section style="float: left;box-sizing: border-box;"><section style="width: 5px;height: 5px;float: left;border-radius: 50%;margin-left: 4px;background-color: rgb(212, 81, 72);box-sizing: border-box;"></section></section></section><section style="display: inline;max-width: 100%;box-sizing: border-box;" powered-by="gulangu"><section style="float: left;box-sizing: border-box;"><section style="width: 5px;height: 5px;float: left;border-radius: 50%;margin-left: 4px;background-color: rgb(212, 81, 72);box-sizing: border-box;"></section></section></section></section></section></section></section></section></section></section></section></section></section></section></section></section></section></section><section style="box-sizing: border-box;" powered-by="gulangu"><section style="max-width: 100%;box-sizing: border-box;"><section style="box-sizing: border-box;max-width: 100%;"><section style="display: inline;max-width: 100%;box-sizing: border-box;" powered-by="gulangu"><section style="max-width: 100%;box-sizing: border-box;"><section style="box-sizing: border-box;max-width: 100%;"><section style="display: inline;max-width: 100%;box-sizing: border-box;" powered-by="gulangu"><section style="box-sizing: border-box;"><section style="text-align: center;font-size: 12px;box-sizing: border-box;max-width: 100%;"><section style="box-sizing: border-box;"><p style="box-sizing: border-box;">Yongze Song, Ying Long, Peng Wu, Xiangyu Wang</p></section></section></section></section></section></section></section></section></section></section><section style="box-sizing: border-box;" powered-by="gulangu"><section style="max-width: 100%;box-sizing: border-box;"><section style="box-sizing: border-box;max-width: 100%;"><section style="display: inline;max-width: 100%;box-sizing: border-box;" powered-by="gulangu"><section style="max-width: 100%;box-sizing: border-box;"><section style="box-sizing: border-box;max-width: 100%;"><section style="display: inline;max-width: 100%;box-sizing: border-box;" powered-by="gulangu"><section style="max-width: 100%;box-sizing: border-box;"><section style="box-sizing: border-box;max-width: 100%;"><section style="display: inline;max-width: 100%;box-sizing: border-box;" powered-by="gulangu"><section style="box-sizing: border-box;"><section style="box-sizing: border-box;max-width: 100%;"><p style="box-sizing: border-box;"><br style="box-sizing: border-box;"  /></p></section></section></section></section></section></section></section></section></section></section></section></section><section style="box-sizing: border-box;" powered-by="gulangu"><section style="max-width: 100%;box-sizing: border-box;"><section style="box-sizing: border-box;max-width: 100%;"><section style="display: inline;max-width: 100%;box-sizing: border-box;" powered-by="gulangu"><section style="max-width: 100%;box-sizing: border-box;"><section style="margin-top: 10px;margin-bottom: 10px;box-sizing: border-box;max-width: 100%;"><section style="display: inline;max-width: 100%;box-sizing: border-box;" powered-by="gulangu"><section style="box-sizing: border-box;"><section style="border-top: 0.1em solid rgb(212, 81, 72);border-bottom: 0.1em solid rgb(212, 81, 72);padding: 2px;line-height: 1.3;box-sizing: border-box;max-width: 100%;"><section style="box-sizing: border-box;"><p style="white-space: normal;box-sizing: border-box;"><span style="box-sizing: border-box;"><strong style="box-sizing: border-box;">ABSTRACT：</strong></span></p><p style="white-space: normal;box-sizing: border-box;"><br style="box-sizing: border-box;"  /></p><p style="white-space: normal;box-sizing: border-box;"><br style="box-sizing: border-box;"  /></p><p style="white-space: normal;box-sizing: border-box;">Urban forms reflect spatial structures of cities, which have been <span style="letter-spacing: 0px;box-sizing: border-box;">consciously and dramatically changing in China. Fast urbanisation </span><span style="letter-spacing: 0px;box-sizing: border-box;">may lead to similar urban forms due to similar habits and strategies </span><span style="letter-spacing: 0px;box-sizing: border-box;">of city planning. However, whether urban forms in China are identical </span><span style="letter-spacing: 0px;box-sizing: border-box;">or significantly different has not been empirically investigated. </span><span style="letter-spacing: 0px;box-sizing: border-box;">In this paper, urban forms are investigated based on two spatial </span><span style="letter-spacing: 0px;box-sizing: border-box;">units: city and block. The boundaries of natural cities in terms of the </span><span style="letter-spacing: 0px;box-sizing: border-box;">density of human settlements and activities are delineated with the </span><span style="letter-spacing: 0px;box-sizing: border-box;">concept of ‘redefined city’ using points of interests (POIs), and </span><span style="letter-spacing: 0px;box-sizing: border-box;">blocks are determined by road networks. Urban forms are characterised </span><span style="letter-spacing: 0px;box-sizing: border-box;">by city-block two-level spatial morphologies. Further, redefined </span><span style="letter-spacing: 0px;box-sizing: border-box;">cities are classified into four hierarchies to examine the effects </span><span style="letter-spacing: 0px;box-sizing: border-box;">of different city development stages on urban forms. The spatial </span><span style="letter-spacing: 0px;box-sizing: border-box;">morphology is explained by urbanisation variables to understand </span><span style="letter-spacing: 0px;box-sizing: border-box;">the effects. Results show that the urban forms are spatially clustered </span><span style="letter-spacing: 0px;box-sizing: border-box;">from the perspective of city-block two-level morphologies. Urban </span><span style="letter-spacing: 0px;box-sizing: border-box;">forms tend to be similar within the same hierarchies, but significantly </span><span style="letter-spacing: 0px;box-sizing: border-box;">varied among different hierarchies, which is closely related to </span><span style="letter-spacing: 0px;box-sizing: border-box;">the development stages. Additionally, the spatial dimensional indicators </span><span style="letter-spacing: 0px;box-sizing: border-box;">of urbanisation could explain 41% of the spatial morphology </span><span style="letter-spacing: 0px;box-sizing: border-box;">of redefined cities.</span></p><p style="white-space: normal;box-sizing: border-box;"><br  /></p><p style="white-space: normal;box-sizing: border-box;"><span style="box-sizing: border-box;"><strong style="box-sizing: border-box;">KEYWORDS：</strong></span></p><p style="white-space: normal;box-sizing: border-box;"><br style="box-sizing: border-box;"  /></p><p style="white-space: normal;box-sizing: border-box;">Urban form</p><p style="white-space: normal;box-sizing: border-box;">Redefined <span style="letter-spacing: 0px;box-sizing: border-box;">city</span></p><p style="white-space: normal;box-sizing: border-box;"><span style="letter-spacing: 0px;box-sizing: border-box;">POI density</span></p><p style="white-space: normal;box-sizing: border-box;"><span style="letter-spacing: 0px;box-sizing: border-box;">Spatial </span><span style="letter-spacing: 0px;box-sizing: border-box;">morphology</span></p><p style="white-space: normal;box-sizing: border-box;"><span style="letter-spacing: 0px;box-sizing: border-box;">Urbanisation</span></p><p style="white-space: normal;box-sizing: border-box;"><br style="box-sizing: border-box;"  /></p></section></section></section></section></section></section></section></section></section></section><section style="box-sizing: border-box;" powered-by="gulangu"><section style="max-width: 100%;box-sizing: border-box;"><section style="box-sizing: border-box;max-width: 100%;"><section style="display: inline;max-width: 100%;box-sizing: border-box;" powered-by="gulangu"><section style="max-width: 100%;box-sizing: border-box;"><section style="box-sizing: border-box;max-width: 100%;"><section style="display: inline;max-width: 100%;box-sizing: border-box;" powered-by="gulangu"><section style="max-width: 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