Acta Geographica Sinica, Volume. 75, Issue 9, 1893(2020)

Characteristics analysis of drought and flood for corn in Xi'an city based on information diffusion and chaos theory

Haitao CHEN1... Lin QIU1, Wenchuan WANG1, Xiaonan CHEN2,* and Chunqing DUAN3 |Show fewer author(s)
Author Affiliations
  • 1School of Water Resources, North China University of Water Resources and Electric Power, Zhengzhou 450045, China
  • 2Administration of the South-to-North Water Diversion Middle Route Project, Beijing 100038, China
  • 3Beijing Water Impact Assessment Center, Beijing 100071, China
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    Figures & Tables(11)
    Sketch of administration divisions in Xi'an
    Effect chart of drought and flood assessment of two indexes
    Degree of drought and flood for corn in different phases
    Tendency of drought and flood for corn in sowing-emergence
    Tendency of drought and flood for corn in growth phase
    Forecasting of drought and flood by chaos method
    Tendency of relative production for corn
    Figure of production less rate anomaly
    Correlation of between relative production and drought flood degree in jointing-tasselling phase
    Correlation of between relative production and drought flood degree in jointing-tasselling phase by information diffusion
    • Table 1. Distribution of drought and flood grade for corn in Xi'an

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      Table 1. Distribution of drought and flood grade for corn in Xi'an

      旱涝等级全生育期播种—出苗出苗—拔节拔节—抽雄抽雄—成熟
      重涝3.856.154.623.081.54
      中涝8.086.154.6212.319.23
      轻涝15.3812.3120.009.2320.00
      正常44.6247.6943.0846.1541.54
      轻旱15.7715.3815.3816.9215.38
      中旱10.7712.317.6912.3110.77
      重旱1.540.004.620.001.54
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    Haitao CHEN, Lin QIU, Wenchuan WANG, Xiaonan CHEN, Chunqing DUAN. Characteristics analysis of drought and flood for corn in Xi'an city based on information diffusion and chaos theory[J]. Acta Geographica Sinica, 2020, 75(9): 1893

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    Paper Information

    Received: Jun. 11, 2019

    Accepted: --

    Published Online: Apr. 14, 2021

    The Author Email: CHEN Xiaonan (chenxiaonan@nsbd.cn)

    DOI:10.11821/dlxb202009006

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