Hekou: city in Gansu, 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 Hekou, China on the sprawlmap
Most recent snapshot: Taking into account the entire (i.e. aggregate) street network in Hekou as of 2014, the overall level of street-network sprawl is 4.67, which is highly disconnected.
Trends in street network construction: The SNDis of street construction for the respective time periods are 4.27, 8.02, 0.77 and nan. Data was not available in 2001-2014.
Quantity of street network construction: The street network in Hekou spans a total of 102 kilometers. It is dominated by roads constructed prior to 1975. These roads have an SNDi of 4.27, 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 4.27, 5.53, 4.71 and 4.67. The aggregate street network in Hekou increased in disconnectivity initially,but the trend has turned around after 1990.
Hekou and Gansu 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 Gansu was at its lowest in 1991-2000.
How do development practices in Hekou fare in comparison to others in Gansu? out of the 34 cities in Gansu. Its position in the ranks since 1975 has fallen; relative to other cities in Gansu, street construction in Hekou has become more connected. Hekou ranked 4th in 1975, 1st in 1976-1990 and 24th in 1991-2000. There was no ranking in 2001-2014 due to unavailable data.
Hekou 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 Hekou fare in comparison to others in China? 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 Hekou has become more connected. Hekou ranked 89th in 1975, 9th in 1976-1990 and 872nd in 1991-2000. There was no ranking in 2001-2014 due to unavailable data.
Hekou and Gansu do not follow the same trend in the disconnectivity of their aggregate street networks. The SNDi in Hekou peaked in 1976-1990, while the SNDi of street constructions in Gansu fell steadily.
To date, Hekou is the 3rd-most disconnected out of the 34 cities in Gansu. Its position in the ranks since 1975 has risen; relative to other cities in Gansu, the street network in Hekou has become more disconnected. Hekou ranked 4th in 1975, 2nd in 1976-1990, 3rd in 1991-2000 and 3rd in 2001-2014.
Hekou 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, Hekou is the 53rd-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 Hekou has become more disconnected. Hekou ranked 89th in 1975, 25th in 1976-1990, 42nd in 1991-2000 and 53rd in 2001-2014.
As of 2015, Hekou had a built-up area of 5.38 square kilometers, and a population of 87242 people.
These are some other cities with approximately the same population: