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Special Issue "Monitoring and Evaluation of Land Degradation and Desertification in Changing Environments" 详情链接：https://www.mdpi.com/journal/ijerph/special_issues/54T3N0M77T Dear Colleagues, Land degradation and desertification (LDD) are major global eco-environmental issues affecting human survival and development. The accurate monitoring and assessment of LDD is the basis for the scientific deployment of desertification control and ecological restoration on global, national and regional scales. However, because LDD is a long-term evolutionary process and involves a wide range of areas, conventional ground observations cannot meet the monitoring needs of large areas. Remote sensing technology has the advantages of a wide observation range, multiple data acquisition channels and fast update speed, which make it an effective tool for monitoring LDD. A large number of studies have been carried out on the spatiotemporal dynamics, trends, impacts and responses of LDD based on remote sensing, with results providing reliable data support and a reference for the formulation of LDD prevention and control measures. However, due to the limitations of remote sensing observation technology in the early stage, there are still many problems requiring solving. Most recent remote sensing technologies and data analysis methods (for example, the newly launched earth observation satellites with a higher spatial and temporal resolution, the introduction of novel indicators and the comprehensive application of multiple indicators, novel LDD extraction techniques based on machine learning and quantitative algorithms, etc.) provide the potential to overcome these limitations. In the context of global warming, local and large-scale climate change is predicted to increase in severity, potentially having a significant impact on the LDD process at any time. In recent years, the frequent occurrence of extreme climate events and unprecedented intensity of human activities have especially led to the expansion and intensification of LDD. Therefore, it is necessary to further explore the relationship between LDD change and climate. The purpose of this Special Issue is to report on novel remote sensing techniques and methods for monitoring and assessing LDD, as well as the latest monitoring results of LDD and to explore the response of LDD dynamics to climate change (including extreme climates). Scholars are invited to contribute research papers related to LDD. Related topics may include, but are not limited to, the following: Remote sensing monitoring and evaluation of LDD; Inversion of LDD monitoring index; New methods for extracting LDD information; LDD mapping; LDD time series monitoring based on multi-index synthesis; Monitoring and assessment of LDD under different land use/cover types; Response of LDD to climate change (including extreme climates); The role of human activities in the LDD process; Vegetation dynamics and the response to climate change in LDD regions.  54T3N0M77T_horizontal_light.png |
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