• Journal of Natural Resources
  • Vol. 35, Issue 12, 3051 (2020)
Long FEI1, Guo-rong DENG2, Hong-yan ZHANG2、*, Xiao-yi GUO2, and Xiao-dong WANG1
Author Affiliations
  • 1School of Geographical Sciences, Changchun Normal University, Changchun 130032, China
  • 2School of Geographical Sciences, Northeast Normal University, Changchun 130024, China
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    DOI: 10.31497/zrzyxb.20201219 Cite this Article
    Long FEI, Guo-rong DENG, Hong-yan ZHANG, Xiao-yi GUO, Xiao-dong WANG. Spatiotemporal patterns of precipitation and drought and flood using Z-index in Democratic People's Republic of Korea[J]. Journal of Natural Resources, 2020, 35(12): 3051 Copy Citation Text show less
    Location of the study area and its terrain
    Fig. 1. Location of the study area and its terrain
    Comparison of observed precipitation from TRMM and climate stations
    Fig. 2. Comparison of observed precipitation from TRMM and climate stations
    Temporal patterns of precipitation in DPRK during 1998-2018
    Fig. 3. Temporal patterns of precipitation in DPRK during 1998-2018
    Spatial pattern of annual mean precipitation in DPRK
    Fig. 4. Spatial pattern of annual mean precipitation in DPRK
    Spatial patterns of precipitation in various seasons in DPRK
    Fig. 5. Spatial patterns of precipitation in various seasons in DPRK
    Spatial patterns of frequency of drought and flood during 1998 to 2018 in DPRK
    Fig. 6. Spatial patterns of frequency of drought and flood during 1998 to 2018 in DPRK
    Spatial patterns of frequency of drought and flood in various seasons in DPRK
    Fig. 7. Spatial patterns of frequency of drought and flood in various seasons in DPRK
    The trend of drought and flood for various seasons in DPRK
    Fig. 8. The trend of drought and flood for various seasons in DPRK
    等级降水Z指数区域旱涝综合Z' 指数类型
    1Z >1.645Z' ≥75极涝
    21.037<Z≤ 1.64550≤Z'<75大涝
    30.842<Z≤ 1.03725≤Z'<50偏涝
    4-0.842<Z≤ 0.842-25<Z'<25正常
    5-1.037<Z≤ -0.842-50<Z'≤-25偏旱
    6-1.645<Z≤ -1.037-75<Z'≤-50大旱
    7Z≤-1.645Z'≤-75极旱
    Table 1. Classification of drought-flood criterion for Z index
    极涝大涝偏涝偏旱大旱极旱
    年际2001、2016、2018、20082010、2012、2014、2015
    春季2010、20072018、200420112014、20162001
    夏季2009、2012、20102014、2017、1999、20162000
    秋季201520072012、2011、2010201420082000
    冬季201620042009、2015、20181999、2011、2005、20032008
    Table 2. [in Chinese]
    Long FEI, Guo-rong DENG, Hong-yan ZHANG, Xiao-yi GUO, Xiao-dong WANG. Spatiotemporal patterns of precipitation and drought and flood using Z-index in Democratic People's Republic of Korea[J]. Journal of Natural Resources, 2020, 35(12): 3051
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