期刊
EUROPEAN JOURNAL OF REMOTE SENSING
卷 50, 期 1, 页码 601-613出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/22797254.2017.1378926
关键词
Land degradation; multi-scale analysis; sustainable development goals; validation; Earth Observation; sustainable land management
Land degradation (LD) is one of the biggest global challenges for the people's livelihoods and environment. Remote Sensing plays an unprecedented role in LD mapping, assessment and monitoring at multiple spatial and temporal scales. Regardless of a big potential of Remote Sensing to support LD studies, there are still quite a few challenges that impede its successful application. This paper provides a logical synthesis of the role of Remote Sensing for LD assessments. First, background information on definition of LD and existing assessment frameworks are provided. This follows with the synthesis of the areas of application of Remote Sensing for LD analysis and a brief review of the major Remote Sensing variables used in LD studies. The paper further argues for multi-scale and cross-scale LD assessments calling for application-oriented solutions and highlighting the need of in situ data for validation of Remote Sensing-based LD maps. This claim is illustrated by an example of a case study in Uzbekistan.
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