Daiwan: city in Guizhou, 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 Daiwan, China on the sprawlmap
Most recent snapshot: Taking into account the entire (i.e. aggregate) street network in Daiwan as of 2014, the overall level of street-network sprawl is 4.09, which is highly disconnected.
Trends in street network construction: The SNDis of street construction for the respective time periods are nan, nan, 2.77 and nan. Data was not available in 1975, 1976-1990 and 2001-2014.
Quantity of street network construction: The street network in Daiwan spans a total of 41 kilometers. It is dominated by roads constructed prior to 1975. These roads have an SNDi of nan, 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 nan, nan, 3.55 and 4.09. Data was not available in 1975 and 1976-1990.
Daiwan and Guizhou do not follow the same trend in the disconnectivity of their street network constructions. There was not enough data from the city, while the SNDi of street constructions in Guizhou peaked in 1991-2000.
How do development practices in Daiwan fare in comparison to others in Guizhou? out of the 42 cities in Guizhou. Daiwan ranked 9th in 1991-2000. There was no ranking in 1975, 1976-1990, and 2001-2014 due to unavailable data.
Daiwan and China do not follow the same trend in the disconnectivity of their street network constructions. There was not enough data from the city, while the SNDi of street constructions in China followed a zig-zag trend with an overall decrease.
How do development practices in Daiwan fare in comparison to others in China? out of the 1651 cities in China. Daiwan ranked 288th in 1991-2000. There was no ranking in 1975, 1976-1990, and 2001-2014 due to unavailable data.
Daiwan and Guizhou do not follow the same trend in the disconnectivity of their aggregate street networks. There was not enough data from the city, while the SNDi of street constructions in Guizhou peaked in 1991-2000.
To date, Daiwan is the 6th-most disconnected out of the 42 cities in Guizhou. Its position in the ranks since 1975 has risen; relative to other cities in Guizhou, the street network in Daiwan has become more disconnected. Daiwan ranked 7th in 1991-2000 and 6th in 2001-2014. There was no ranking in 1975 and 1976-1990 due to unavailable data.
Daiwan and China do not follow the same trend in the disconnectivity of their aggregate street networks. There was not enough data from the city, while the SNDi of street constructions in China peaked in 1976-1990.
To date, Daiwan is the 89th-most disconnected out of the 1651 cities in China. Its position in the ranks since 1975 has risen; relative to other cities in China, the street network in Daiwan has become more disconnected. Daiwan ranked 145th in 1991-2000 and 89th in 2001-2014. There was no ranking in 1975 and 1976-1990 due to unavailable data.
As of 2015, Daiwan had a built-up area of 2.48 square kilometers, and a population of 65222 people.
These are some other cities with approximately the same population: