Assessing urban growth dynamics of major Southeast Asian cities using night-time light data
This study analysed urban growth patterns for 15 Southeast Asian cities using remotely sensed night-time light data from1992 to 2012. We extracted three urban categories (countryside, peri-urban, and core-urban) for each city using objectively derived thresholds from the brightness gradient (BG)...
Saved in:
| Main Authors: | , , |
|---|---|
| Other Authors: | |
| Format: | Article |
| Language: | English |
| Published: |
2018
|
| Subjects: | |
| Online Access: | https://hdl.handle.net/10356/84197 http://hdl.handle.net/10220/45106 |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| Institution: | Nanyang Technological University |
| Language: | English |
| Summary: | This study analysed urban growth patterns for 15 Southeast Asian
cities using remotely sensed night-time light data from1992 to 2012.
We extracted three urban categories (countryside, peri-urban, and
core-urban) for each city using objectively derived thresholds from
the brightness gradient (BG) approach. The peri-urban and coreurban
combined categories were generally found to increase over
time for all cities whereas countryside urban category decreased
implying strong spatial and temporal trends in urbanization. These
trends were also found to be sensitive to geographic characteristics
of cities. The study showed that the BG approach can be successfully
applied to extract and study growth dynamics of different urban
categories for Southeast Asian cities having range of demographic
and socioeconomic conditions. The BG derived urban categories
compared favourably with Landsat derived impervious areas, where
the former was found to envelope the high percentage impervious
region derived from the latter. The BG-derived urban areas are lastly
compared against the population data to explore linkages with
population growth. |
|---|