Guelmim - Es-Semara: region in Morocco
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 Guelmim - Es-Semara, Morocco on the sprawlmap
Most recent snapshot: Taking into account the entire (i.e. aggregate) street network in Guelmim - Es-Semara as of 2014, the overall level of street-network sprawl is 2.51, 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 3.23, 1.99, 2.37 and 2.84. The disconnectivity of new streets constructed in Guelmim - Es-Semara fell, then rose. In 1976-1990, new street layouts were the most connected.
Quantity of street network construction: The street network in Guelmim - Es-Semara spans a total of 4481 kilometers. It is dominated by roads constructed prior to 1975. These roads have an SNDi of 3.23, 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 3.23, 2.45, 2.35 and 2.51. The SNDi of the aggregate street network in fell at first, but Guelmim - Es-Semara has worsened in disconnectivity since 2000.
The level of street-network sprawl in new development in Guelmim - Es-Semara was at its lowest in 1976-1990. To get a sense of how street development has changed in Guelmim - Es-Semara, we can consider one of its most populous cities: Guelmim. Disconnectivity in the most populous cities in Guelmim - Es-Semara follow the same region trend.
How do development practices in Guelmim - Es-Semara fare in comparison to others in Morocco? Most recently in 2001-2014, street construction in Guelmim - Es-Semara was the 3rd-most disconnected out of the 14 regions in Morocco. Its position in the ranks since 1975 has fallen; relative to other regions in Morocco, street construction in Guelmim - Es-Semara has become more connected. Guelmim - Es-Semara ranked 1st in 1975, 7th in 1976-1990, 6th in 1991-2000 and 3rd in 2001-2014.
As of 2014, the city with the most disconnected street network in Guelmim - Es-Semara is Guelmim with an SNDi of 0.54, which is relatively well-connected. Conversely, the most connected city is Guelmim with an SNDi of 0.54, which is relatively well-connected. See trends for these cities: Guelmim, Guelmim
The level of street-network sprawl in the aggregate network in Guelmim - Es-Semara was at its lowest in 1991-2000. To get a sense of how the aggregate street network has changed in Guelmim - Es-Semara, we can consider one of its most populous cities: Guelmim. None of the most populous cities follow the same trend as the region. The level of street-network sprawl in the aggregate network in Guelmim was at its lowest in 1976-1990.
To date, Guelmim - Es-Semara is the 3rd-most disconnected out of the 14 regions in Morocco. Its position in the ranks since 1975 has fallen; relative to other regions in Morocco, the street network in Guelmim - Es-Semara has become more connected. Guelmim - Es-Semara ranked 1st in 1975, 3rd in 1976-1990, 4th in 1991-2000 and 3rd in 2001-2014.