Area extraction and spatiotemporal characteristics of winter wheat–summer maize in Shandong Province using NDVI time series

• Chao Dong,

  Roles Data curation, Formal analysis, Investigation, Writing – original draft

  Affiliations College of Information Science and Engineering, Shandong Agricultural University, Tai’an, Shan Dong, China, College of Resources and Environment, Shandong Agricultural University, Tai’an, Shan Dong, China

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• Gengxing Zhao ,

  Roles Conceptualization, Funding acquisition, Supervision, Writing – review & editing

  * E-mail: zhaogx@sdau.edu.cn

  Affiliation College of Resources and Environment, Shandong Agricultural University, Tai’an, Shan Dong, China

  http://orcid.org/0000-0002-9581-2057

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• Yuanwei Qin,

  Roles Writing – review & editing

  Affiliation Center for Spatial Analysis, College of Atmospheric and Geographic Sciences, University of Oklahoma, Norman, Oklahoma, United States of America

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• Hong Wan

  Roles Software, Visualization

  Affiliation College of Information Science and Engineering, Shandong Agricultural University, Tai’an, Shan Dong, China

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