Journal of Geographical Sciences ›› 2017, Vol. 27 ›› Issue (9): 1085-1099.doi: 10.1007/s11442-017-1423-3

• Research Articles • Previous Articles     Next Articles

Influences of agricultural phenology dynamic on land surface biophysical process and climate feedback

Fengshan LIU1,2(), Ying CHEN2, Wenjiao SHI1,3, Shuai ZHANG1,3, Fulu Tao1,3,*(), Quansheng GE1,3,*()   

  1. 1. Key Laboratory of Land Surface Pattern and Simulation, Institute of Geographic Sciences and Natural Resources Research, CAS, Beijing 100101, China
    2. Fujian Agriculture and Forestry University, Fuzhou 350002, China
    3. College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China
  • Received:2017-03-05 Accepted:2017-04-13 Online:2017-09-10 Published:2017-09-05
  • Contact: Fulu Tao,Quansheng GE E-mail:liufs.11b@igsnrr.ac.cn;taofl@igsnrr.ac.cn;geqs@igsnrr.ac.cn
  • About author:

    Author: Liu Fengshan, PhD, specialized in agricultural meteorology and regional climate change. E-mail:liufs.11b@igsnrr.ac.cn

  • Supported by:
    China Postdoctoral Science Foundation, No.2016M601115;National Natural Science Foundation of China, No.41571088, No.41371002

Abstract:

Response and feedback of land surface process to climate change is one of the research priorities in the field of geoscience. The current study paid more attention to the impacts of global change on land surface process, but the feedback of land surface process to climate change has been poorly understood. It is becoming more and more meaningful under the framework of Earth system science to understand systematically the relationships between agricultural phenology dynamic and biophysical process, as well as the feedback on climate. In this paper, we summarized the research progress in this field, including the fact of agricultural phenology change, parameterization of phenology dynamic in land surface progress model, the influence of agricultural phenology dynamic on biophysical process, as well as its feedback on climate. The results showed that the agriculture phenophase, represented by the key phenological phases such as sowing, flowering and maturity, had shifted significantly due to the impacts of climate change and agronomic management. The digital expressions of land surface dynamic process, as well as the biophysical process and atmospheric process, were improved by coupling phenology dynamic in land surface model. The agricultural phenology dynamic had influenced net radiation, latent heat, sensible heat, albedo, temperature, precipitation, circulation, playing an important role in the surface energy partitioning and climate feedback. Considering the importance of agricultural phenology dynamic in land surface biophysical process and climate feedback, the following research priorities should be stressed: (1) the interactions between climate change and land surface phenology dynamic; (2) the relations between agricultural phenology dynamic and land surface reflectivity at different spectrums; (3) the contributions of crop physiology characteristic changes to land surface biophysical process; (4) the regional differences of climate feedbacks from phenology dynamic in different climate zones. This review is helpful to accelerate understanding of the role of agricultural phenology dynamic in land surface process and climate feedback.

Key words: agricultural phenology, land surface biophysical process, land surface process model, climate feedback