Tianzhen: city in Shanxi, 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 Tianzhen, China on the sprawlmap
Most recent snapshot: Taking into account the entire (i.e. aggregate) street network in Tianzhen as of 2014, the overall level of street-network sprawl is 3.18, 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 3.28, 4.84, 0.0 and 3.28. Disconnectivity in street construction in Tianzhen follows a zig-zag trend. In 1991-2000, street construction was most disconnected, while construction was most connected in 1976-1990.
Quantity of street network construction: The street network in Tianzhen spans a total of 52 kilometers. It is dominated by roads constructed in 2001-2014. These roads have an SNDi of 3.28, 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 3.28, 3.85, 3.34 and 3.18. The aggregate street network in Tianzhen increased in disconnectivity initially,but the trend has turned around after 1990.
Tianzhen and Shanxi do not follow the same trend in the disconnectivity of their street network constructions. The SNDi in Tianzhen followed a zig-zag trend with an overall decrease, while the SNDi of street constructions in Shanxi peaked in 1976-1990.
How do development practices in Tianzhen fare in comparison to others in Shanxi? Most recently in 2001-2014, street construction in Tianzhen was the 10th-most disconnected out of the 74 cities in Shanxi. Its position in the ranks since 1975 has fallen; relative to other cities in Shanxi, street construction in Tianzhen has become more connected. Tianzhen ranked 9th in 1975, 3rd in 1976-1990, 42nd in 1991-2000 and 10th in 2001-2014.
Tianzhen 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 decrease.
How do development practices in Tianzhen fare in comparison to others in China? Most recently in 2001-2014, street construction in Tianzhen was the 317th-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 Tianzhen has become more connected. Tianzhen ranked 195th in 1975, 72nd in 1976-1990, 1086th in 1991-2000 and 317th in 2001-2014.
Tianzhen and Shanxi do not follow the same trend in the disconnectivity of their aggregate street networks. The SNDi in Tianzhen peaked in 1976-1990, while the SNDi of street constructions in Shanxi rose steadily.
To date, Tianzhen is the 8th-most disconnected out of the 74 cities in Shanxi. Its position in the ranks since 1975 has risen; relative to other cities in Shanxi, the street network in Tianzhen has become more disconnected. Tianzhen ranked 9th in 1975, 6th in 1976-1990, 8th in 1991-2000 and 8th in 2001-2014.
Tianzhen and China follow the same trend in the disconnectivity of their aggregate street networks. The SNDi for both of these peaked in 1976-1990.
To date, Tianzhen is the 239th-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 Tianzhen has become more connected. Tianzhen ranked 195th in 1975, 113th in 1976-1990, 184th in 1991-2000 and 239th in 2001-2014.
As of 2015, Tianzhen had a built-up area of 4.76 square kilometers, and a population of 53607 people.
These are some other cities with approximately the same population: