Nong'an: city in Jilin, 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 Nong'an, China on the sprawlmap
Most recent snapshot: Taking into account the entire (i.e. aggregate) street network in Nong'an as of 2014, the overall level of street-network sprawl is 0.45, which is relatively well-connected.
Trends in street network construction: The SNDis of street construction for the respective time periods are 0.3, 0.49, 0.14 and 0.72. Disconnectivity in street construction in Nong'an follows a zig-zag trend. In 1991-2000, street construction was most disconnected, while construction was most connected in 2001-2014.
Quantity of street network construction: The street network in Nong'an spans a total of 122 kilometers. It is dominated by roads constructed in 1976-1990. These roads have an SNDi of 0.49, which is relatively well-connected.
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 0.3, 0.45, 0.45 and 0.45. Disconnectivity in Nong'an's street network follows a zig-zag trend. In 1975, the city was most disconnected; while it was most connected in 2001-2014.
Nong'an and Jilin do not follow the same trend in the disconnectivity of their street network constructions. The SNDi in Nong'an followed a zig-zag trend with an overall increase, while the SNDi of street constructions in Jilin followed a zig-zag trend with an overall decrease.
How do development practices in Nong'an fare in comparison to others in Jilin? Most recently in 2001-2014, street construction in Nong'an was the 22nd-most disconnected out of the 42 cities in Jilin. Its position in the ranks since 1975 has risen; relative to other cities in Jilin, street construction in Nong'an has become more disconnected. Nong'an ranked 30th in 1975, 25th in 1976-1990, 19th in 1991-2000 and 22nd in 2001-2014.
Nong'an and China follow the same trend in the disconnectivity of their street network constructions. The SNDi for both of these followed a zig-zag trend with an overall increase.
How do development practices in Nong'an fare in comparison to others in China? Most recently in 2001-2014, street construction in Nong'an was the 1100th-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 Nong'an has become more connected. Nong'an ranked 1052nd in 1975, 1234th in 1976-1990, 1055th in 1991-2000 and 1100th in 2001-2014.
Nong'an and Jilin do not follow the same trend in the disconnectivity of their aggregate street networks. The SNDi in Nong'an followed a zig-zag trend with an overall increase, while the SNDi of street constructions in Jilin followed a zig-zag trend with an overall decrease.
To date, Nong'an is the 36th-most disconnected out of the 42 cities in Jilin. Its position in the ranks since 1975 has fallen; relative to other cities in Jilin, the street network in Nong'an has become more connected. Nong'an ranked 30th in 1975, 35th in 1976-1990, 35th in 1991-2000 and 36th in 2001-2014.
Nong'an and China do not follow the same trend in the disconnectivity of their aggregate street networks. The SNDi in Nong'an followed a zig-zag trend with an overall increase, while the SNDi of street constructions in China peaked in 1976-1990.
To date, Nong'an is the 1436th-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 Nong'an has become more connected. Nong'an ranked 1052nd in 1975, 1357th in 1976-1990, 1387th in 1991-2000 and 1436th in 2001-2014.
As of 2015, Nong'an had a built-up area of 17.6 square kilometers, and a population of 81927 people.
These are some other cities with approximately the same population: