【摘要】：以浙江省69個縣(市)為研究對象,利用1996、2004、2012年路網(wǎng)數(shù)據(jù),借助ArcGIS網(wǎng)絡(luò)分析功能,采用基于城鎮(zhèn)綜合發(fā)展水平的加權(quán)平均旅行時間指標(biāo),探討浙江省綜合交通網(wǎng)絡(luò)中節(jié)點城鎮(zhèn)可達性及其時空演變特征。研究結(jié)果表明:11996—2012年,各城鎮(zhèn)可達性均出現(xiàn)不同程度提高,彼此間聯(lián)系趨于緊密;2城鎮(zhèn)可達性存在空間分異,且提升幅度各異,均衡化趨勢明顯;3城鎮(zhèn)可達性空間格局變化大,逐漸向以"四大都市區(qū)"為中心向四周遞增的"∏型"多級空間結(jié)構(gòu)轉(zhuǎn)變。總體上來看,城鎮(zhèn)可達性變化及空間格局演變體現(xiàn)了區(qū)域統(tǒng)籌發(fā)展的戰(zhàn)略要求。
[Abstract]:Taking 69 counties (cities) in Zhejiang Province as the research object, the weighted average travel time index based on the comprehensive development level of cities and towns is adopted by using the road network data from 1996 to 2004 and the network analysis function of ArcGIS in 2012. This paper discusses the accessibility of node towns and its temporal and spatial evolution characteristics in the integrated transportation network of Zhejiang Province. The results show that from 1996 to 2012, the reachability of cities and towns increased to different degrees, and the relationship between them tended to be close. There were spatial differences in the accessibility of cities and towns, and the degree of improvement was different. The trend of equalization is obvious. The spatial pattern of reachability of the three towns changes greatly, and gradually changes to the multi-level spatial structure with "four metropolitan areas" as the center and increasing gradually in all directions. On the whole, the change of urban accessibility and the evolution of spatial pattern reflect the strategic requirements of regional overall development.
【作者單位】： 溫州市經(jīng)濟建設(shè)規(guī)劃院;東北師范大學(xué)城市與環(huán)境科學(xué)學(xué)院;
【基金】：國家自然科學(xué)基金項目(41071109)
【分類號】：U11

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