Yuhuan: city in Zhejiang, China
What exactly constitutes the spatial extent of the city? For these aggregations, we used the Global Human Settlement Layer Urban Center Database (GHS-UCDB) to define the boundaries of the city. These cities -- or urban centers -- cover areas that are densely populated and built-up, and so may extend beyond the spatial borders of these cities that we may be familiar with. The GHS area is shaded in blue.
View Yuhuan, China on the sprawlmap
Most recent snapshot: Taking into account the entire (i.e. aggregate) street network in Yuhuan as of 2014, the overall level of street-network sprawl is 3.2, which is in the 40th to 60th percentile of disconnectedness.
Trends in street network construction: The SNDis of street construction for the respective time periods are 5.56, 3.47, 2.5 and 3.56. The disconnectivity of new streets constructed in Yuhuan fell, then rose. In 1991-2000, new street layouts were the most connected.
Quantity of street network construction: The street network in Yuhuan spans a total of 214 kilometers. It is dominated by roads constructed in 1976-1990. These roads have an SNDi of 3.47, which is highly disconnected.
Effect on the aggregate network: New construction in each period adds to the total stock of streets, but does not change streets that have already been built. Therefore, it has a limited effect on the street network as a whole. The SNDis of the aggregate street network in the respective time periods are 5.56, 3.54, 3.22 and 3.2. Overall, the SNDi of the aggregate street network has fallen: the street network in Yuhuan has become more connected.
Yuhuan and Zhejiang do not follow the same trend in the disconnectivity of their street network constructions. The SNDi in Yuhuan was at its lowest in 1991-2000, while the SNDi of street constructions in Zhejiang peaked in 1976-1990.
How do development practices in Yuhuan fare in comparison to others in Zhejiang? Most recently in 2001-2014, street construction in Yuhuan was the 13th-most disconnected out of the 94 cities in Zhejiang. Its position in the ranks since 1975 has fallen; relative to other cities in Zhejiang, street construction in Yuhuan has become more connected. Yuhuan ranked 2nd in 1975, 8th in 1976-1990, 17th in 1991-2000 and 13th in 2001-2014.
Yuhuan and China do not follow the same trend in the disconnectivity of their street network constructions. The SNDi in Yuhuan was at its lowest in 1991-2000, while the SNDi of street constructions in China followed a zig-zag trend with an overall decrease.
How do development practices in Yuhuan fare in comparison to others in China? Most recently in 2001-2014, street construction in Yuhuan was the 258th-most disconnected out of the 1651 cities in China. Its position in the ranks since 1975 has fallen; relative to other cities in China, street construction in Yuhuan has become more connected. Yuhuan ranked 34th in 1975, 216th in 1976-1990, 346th in 1991-2000 and 258th in 2001-2014.
Yuhuan and Zhejiang do not follow the same trend in the disconnectivity of their aggregate street networks. The SNDi in Yuhuan fell steadily, while the SNDi of street constructions in Zhejiang peaked in 1976-1990.
To date, Yuhuan is the 10th-most disconnected out of the 94 cities in Zhejiang. Its position in the ranks since 1975 has fallen; relative to other cities in Zhejiang, the street network in Yuhuan has become more connected. Yuhuan ranked 2nd in 1975, 7th in 1976-1990, 9th in 1991-2000 and 10th in 2001-2014.
Yuhuan and China do not follow the same trend in the disconnectivity of their aggregate street networks. The SNDi in Yuhuan fell steadily, while the SNDi of street constructions in China peaked in 1976-1990.
To date, Yuhuan is the 234th-most disconnected out of the 1651 cities in China. Its position in the ranks since 1975 has fallen; relative to other cities in China, the street network in Yuhuan has become more connected. Yuhuan ranked 34th in 1975, 164th in 1976-1990, 210th in 1991-2000 and 234th in 2001-2014.
As of 2015, Yuhuan had a built-up area of 20.01 square kilometers, and a population of 227559 people.
These are some other cities with approximately the same population: