Sa Dec City: city in Vĩnh Long, Vietnam
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 Sa Dec City, Vietnam on the sprawlmap
Most recent snapshot: Taking into account the entire (i.e. aggregate) street network in Sa Dec City as of 2014, the overall level of street-network sprawl is 1.78, which is relatively well-connected.
Trends in street network construction: The SNDis of street construction for the respective time periods are 0.53, 1.18, 2.46 and 3.46. In each period, new street development in Sa Dec City steadily grows more disconnected than in the last.
Quantity of street network construction: The street network in Sa Dec City spans a total of 419 kilometers. It is dominated by roads constructed in 1991-2000. These roads have an SNDi of 2.46, which is in the 40th to 60th percentile of disconnectedness.
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 0.53, 1.08, 1.52 and 1.78. Overall, the SNDi of the aggregate street network has risen: the street network in Sa Dec City has become more disconnected. This increase has slowed: between 1975 and 1976-1990, SNDi rose by 0.54 points, but between 1991-2000 and 2001-2014, it rose by just 0.26.
Sa Dec City and Vĩnh Long do not follow the same trend in the disconnectivity of their street network constructions. The SNDi in Sa Dec City rose steadily, while the SNDi of street constructions in Vĩnh Long peaked in 1976-1990.
How do development practices in Sa Dec City fare in comparison to others in Vĩnh Long? Most recently in 2001-2014, street construction in Sa Dec City was the 1st-most disconnected out of the 2 cities in Vĩnh Long. Its position in the ranks since 1975 has risen; relative to other cities in Vĩnh Long, street construction in Sa Dec City has become more disconnected. Sa Dec City ranked 2nd in 1975, 2nd in 1976-1990, 1st in 1991-2000 and 1st in 2001-2014.
Sa Dec City and Vietnam follow the same trend in the disconnectivity of their street network constructions. The SNDi for both of these rose steadily.
How do development practices in Sa Dec City fare in comparison to others in Vietnam? Most recently in 2001-2014, street construction in Sa Dec City was the 36th-most disconnected out of the 129 cities in Vietnam. Its position in the ranks since 1975 has risen; relative to other cities in Vietnam, street construction in Sa Dec City has become more disconnected. Sa Dec City ranked 75th in 1975, 77th in 1976-1990, 52nd in 1991-2000 and 36th in 2001-2014.
Sa Dec City and Vĩnh Long do not follow the same trend in the disconnectivity of their aggregate street networks. The SNDi in Sa Dec City rose steadily, while the SNDi of street constructions in Vĩnh Long peaked in 1991-2000.
To date, Sa Dec City is the 2nd-most disconnected out of the 2 cities in Vĩnh Long. Its position in the ranks since 1975 has not changed. Sa Dec City ranked 2nd in 1975, 2nd in 1976-1990, 2nd in 1991-2000 and 2nd in 2001-2014.
Sa Dec City and Vietnam follow the same trend in the disconnectivity of their aggregate street networks. The SNDi for both of these rose steadily.
To date, Sa Dec City is the 80th-most disconnected out of the 129 cities in Vietnam. Its position in the ranks since 1975 has fallen; relative to other cities in Vietnam, the street network in Sa Dec City has become more connected. Sa Dec City ranked 75th in 1975, 97th in 1976-1990, 86th in 1991-2000 and 80th in 2001-2014.
As of 2015, Sa Dec City had a built-up area of 22.53 square kilometers, and a population of 484197 people.
These are some other cities with approximately the same population: