Journal of Geographical Sciences ›› 2016, Vol. 26 ›› Issue (3): 339-354.doi: 10.1007/s11442-016-1272-5

• Orginal Article • Previous Articles     Next Articles

Progress on quantitative assessment of the impacts of climate change and human activities on cropland change

Xiaoli SHI1,3(), Wei WANG1,3, Wenjiao Shi2()   

  1. 1. College of Resources and Environment Sciences, Hebei Normal University, Shijiazhuang 050024, China
    2. Key Laboratory of Land Surface Pattern and Simulation, Institute of Geographic Sciences and Natural Resources Research, CAS, Beijing 100101, China
    3. Key Laboratory of Environmental Evolvement and Ecological Construction of Hebei Province, Shijiazhuang 050024, China
  • Received:2015-09-08 Accepted:2015-10-20 Online:2016-07-25 Published:2016-08-01
  • About author:

    Author: Shi Xiaoli, PhD and Associate Professor, specialized in climate change. E-mail:hnushixiaoli@163.com

    *Corresponding author: Shi Wenjiao, PhD and Associate Professor, E-mail:shiwj@lreis.ac.cn

  • Supported by:
    National Natural Science Foundation of China, No.41401113, No.41371002, No.41471091;The Science and Technology Strategic Pilot of the Chinese Academy of Sciences, No.XDA05090310;The Key Project of Physical Geography of Hebei Province

Abstract:

It is important to study the contributions of climate change and human activities to cropland changes in the fields of both climate change and land use change. Relationships between cropland changes and driving forces were qualitatively studied in most of the previous researches. However, the quantitative assessments of the contributions of climate change and human activities to cropland changes are needed to be explored for a better understanding of the dynamics of land use changes. We systematically reviewed the methods of identifying the contributions of climate change and human activities to cropland changes at quantitative aspects, including model analysis, mathematical statistical method, framework analysis, index assessment and difference comparison. Progress of the previous researches on quantitative evaluation of the contributions was introduced. Then we discussed four defects in the assessment of the contributions of climate change and human activities. For example, the methods were lack of comprehensiveness, and the data need to be more accurate and abundant. In addition, the scale was single and the explanations were biased. Moreover, we concluded a clue about quantitative approach to assess the contributions from synthetically aspect to specific driving forces. Finally, the solutions of the future researches on data, scale and explanation were proposed.

Key words: climate change, human activities, contributions, quantitative, cropland pattern