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Remote Sens. 2018, 10(7), 1034; https://doi.org/10.3390/rs10071034

Incorporating Density in Spatiotemporal Land Use/Cover Change Patterns: The Case of Attica, Greece

1
Department of Geography, University of the Aegean, 81100 Mytilene, Greece
2
School of Science and the Environment, Manchester Metropolitan University, Manchester M1 5GD, UK
*
Author to whom correspondence should be addressed.
Received: 12 June 2018 / Revised: 23 June 2018 / Accepted: 29 June 2018 / Published: 1 July 2018
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Abstract

This paper looks at the periodic land use/cover (LUC) changes that occurred in Attica, Greece from 1991 to 2016. During this period, land transformations were mostly related to the artificial LUC categories; therefore, the aim was to map LUC with a high thematic resolution aimed at these specific categories, according to their density and continuity. The classification was implemented using the Random Forests (RF) machine learning algorithm and the presented methodological framework involved a high degree of automation. The results revealed that the majority of the expansion of the built-up areas took place at the expense of agricultural land. Moreover, mapping and quantifying the LUC changes revealed three uneven phases of development, which reflect the socioeconomic circumstances of each period. The discontinuous low-density urban fabric started to increase rapidly around 2003, reaching 7% (from 2.5% in 1991), and this trend continued, reaching 12% in 2016. The continuous as well as the discontinuous dense urban fabric, almost doubled throughout the study period. Agricultural areas were dramatically reduced to almost half of what they were in 1991, while forests, scrubs, and other natural areas remained relatively stable, decreasing only by 3% in 25 years. View Full-Text
Keywords: land use/cover; change detection; Random Forests; semi-automated classification; thematic resolution land use/cover; change detection; Random Forests; semi-automated classification; thematic resolution
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Gounaridis, D.; Symeonakis, E.; Chorianopoulos, I.; Koukoulas, S. Incorporating Density in Spatiotemporal Land Use/Cover Change Patterns: The Case of Attica, Greece. Remote Sens. 2018, 10, 1034.

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