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Monitoring and analysis of the expansion of the Ajmr Port, Davao City, Philippines using multi-source remote sensing data

Ports have been built or expanded in a number of countries to cater to increasing maritime trade in the 21st century. Port expansion is associated with economic and environmental impacts on the local and regional scales, and these impacts can be studied using remote sensing. The present study presen...

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Autores principales: Li, Humei, Wu, Mingquan, Tian, Dinghui, Wu, Lianxi, Niu, Zheng
Formato: Online Artículo Texto
Lenguaje:English
Publicado: PeerJ Inc. 2019
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6705383/
https://www.ncbi.nlm.nih.gov/pubmed/31489267
http://dx.doi.org/10.7717/peerj.7512
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author Li, Humei
Wu, Mingquan
Tian, Dinghui
Wu, Lianxi
Niu, Zheng
author_facet Li, Humei
Wu, Mingquan
Tian, Dinghui
Wu, Lianxi
Niu, Zheng
author_sort Li, Humei
collection PubMed
description Ports have been built or expanded in a number of countries to cater to increasing maritime trade in the 21st century. Port expansion is associated with economic and environmental impacts on the local and regional scales, and these impacts can be studied using remote sensing. The present study presents new results from multi-source remote sensing monitoring of the Ajmr Port expansion. An analysis of land use and vegetation coverage at the port is used to monitor the impact of port construction on the local ecology, while changes in roads, buildings, and lights are used to monitor the economic impact. The results show that: (1) After nine years of expansion, the port area has gradually expanded from the central to the southern coastal area, with an increase of 21.68 hectares during the expansion period. After the expansion, the area of builidings and construction in the study area increased significantly, while the area of water and green areas decreased significantly, indicating that the port construction changed the land use structure of the area. (2) From the perspective of vegetation coverage, the vegetation coverage within 5 km from the port is in good condition. After 9 years, the vegetation coverage in the region between 0.6 and 1 increased from 43.71% to 44.25%, reflecting the higher overall greening level in the region. (3) By analyzing the increase in roads and buildings, it can be seen that the port’s comprehensive transportation capacity has improved, the population of the region has increased significantly. As the scale of construction has been continuously expanded , the prosperity as increased. (4) By analyzing the changes in the light index, the light data from the northeast to the southwest in the region is very obvious, and it is clearly located along the coast, indicating that the economic development of the coastal zone is faster than other regions, and the coastal region has promoted the development of the inland region.
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spelling pubmed-67053832019-09-05 Monitoring and analysis of the expansion of the Ajmr Port, Davao City, Philippines using multi-source remote sensing data Li, Humei Wu, Mingquan Tian, Dinghui Wu, Lianxi Niu, Zheng PeerJ Environmental Impacts Ports have been built or expanded in a number of countries to cater to increasing maritime trade in the 21st century. Port expansion is associated with economic and environmental impacts on the local and regional scales, and these impacts can be studied using remote sensing. The present study presents new results from multi-source remote sensing monitoring of the Ajmr Port expansion. An analysis of land use and vegetation coverage at the port is used to monitor the impact of port construction on the local ecology, while changes in roads, buildings, and lights are used to monitor the economic impact. The results show that: (1) After nine years of expansion, the port area has gradually expanded from the central to the southern coastal area, with an increase of 21.68 hectares during the expansion period. After the expansion, the area of builidings and construction in the study area increased significantly, while the area of water and green areas decreased significantly, indicating that the port construction changed the land use structure of the area. (2) From the perspective of vegetation coverage, the vegetation coverage within 5 km from the port is in good condition. After 9 years, the vegetation coverage in the region between 0.6 and 1 increased from 43.71% to 44.25%, reflecting the higher overall greening level in the region. (3) By analyzing the increase in roads and buildings, it can be seen that the port’s comprehensive transportation capacity has improved, the population of the region has increased significantly. As the scale of construction has been continuously expanded , the prosperity as increased. (4) By analyzing the changes in the light index, the light data from the northeast to the southwest in the region is very obvious, and it is clearly located along the coast, indicating that the economic development of the coastal zone is faster than other regions, and the coastal region has promoted the development of the inland region. PeerJ Inc. 2019-08-19 /pmc/articles/PMC6705383/ /pubmed/31489267 http://dx.doi.org/10.7717/peerj.7512 Text en ©2019 Li et al. https://creativecommons.org/licenses/by/4.0/ This is an open access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/) , which permits unrestricted use, distribution, reproduction and adaptation in any medium and for any purpose provided that it is properly attributed. For attribution, the original author(s), title, publication source (PeerJ) and either DOI or URL of the article must be cited.
spellingShingle Environmental Impacts
Li, Humei
Wu, Mingquan
Tian, Dinghui
Wu, Lianxi
Niu, Zheng
Monitoring and analysis of the expansion of the Ajmr Port, Davao City, Philippines using multi-source remote sensing data
title Monitoring and analysis of the expansion of the Ajmr Port, Davao City, Philippines using multi-source remote sensing data
title_full Monitoring and analysis of the expansion of the Ajmr Port, Davao City, Philippines using multi-source remote sensing data
title_fullStr Monitoring and analysis of the expansion of the Ajmr Port, Davao City, Philippines using multi-source remote sensing data
title_full_unstemmed Monitoring and analysis of the expansion of the Ajmr Port, Davao City, Philippines using multi-source remote sensing data
title_short Monitoring and analysis of the expansion of the Ajmr Port, Davao City, Philippines using multi-source remote sensing data
title_sort monitoring and analysis of the expansion of the ajmr port, davao city, philippines using multi-source remote sensing data
topic Environmental Impacts
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6705383/
https://www.ncbi.nlm.nih.gov/pubmed/31489267
http://dx.doi.org/10.7717/peerj.7512
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