Abstract
In this paper, Land at 8 OLI image data from 2013 to 2017 was interpreted by visual interpretation combined with supervised classification to extract the information of land use distribution in the Yellow River Delta in China. The characteristics of Land Use Cover Change (LUCC) in the past five years which were analyzed by land use spatial analysis method based on buffer zone were discussed to obtain the land use index trend of five land types in buffer zones at different distance. The land use transfer maps of 2013 and 2017 were made by using the geo-information mapping method. The spatial-temporal change rules and the development process of land use in the Yellow River Delta during the past five years were analyzed. According to the analysis results, the comprehensive index of land use degree in the study area was in the middle level. The land use transfer maps were mainly consisted of farmland and grassland. The change rate of bare land to vegetation was 20.21% and that of vegetation to bare land was 14.15%. This study can provide effective basis for the scientific management of land and rational guidance for planning in this area.
Highlights
The great development of economy has led to rapid urbanization expansion in recent years
According to the “High Efficiency Eco-economic Zone Development Planning of the Yellow River Delta” and the “Blue Economic Zone Development Planning of Shandong Peninsula” which officially approved by the State Council in 2009 and 2011, we could inferred that the urban expansion was closely related to the national strategy, and the two documents mentioned above would treat the Yellow River Delta region as an important component after 2009 [15]
As an important part of the national economic development strategy, the Yellow River Delta kept at a high economic development degree, the per capita income has increased and urban area has expanded at a high speed, which has led to the expansion of urban and rural settlements in the basin
Summary
The great development of economy has led to rapid urbanization expansion in recent years. Barakat et al [10] used remote sensing technology combined with GIS and Fuzzy Analytic Hierarchy Process (FAHP) to study the dynamic change of land use/cover in Beni-Mellal Town and its surrounding communities in Morocco They calculating the weight of each LULC class by using FAHP method, and generated the map of the environmental impact of LULC. With the rapid development of regional social economy, urbanization speed, combined with the sedimentation epeirogenic natural succession process, the Yellow River Delta become one of the most active areas in China, And the land cover change in the Yellow River Delta were studied by some scholars In the past, but there is less relevant results in recent years. The spatial and temporal changes of different land use types were systematically discussed, which were expected to provide theoretical basis and decision-making reference for the sustainable use of land resources and ecological environment protection in the Yellow River Delta
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