NDLI: Spatio-Temporal Change of Drought and Flood in northern Henan Province During 1961-2015 Based on Standardized Precipitation Evapotranspiration Index

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Spatio-Temporal Change of Drought and Flood in northern Henan Province During 1961-2015 Based on Standardized Precipitation Evapotranspiration Index

Content Provider	Scilit
Author	Shan, Xin-Meng Li, Zhi-Guo Wen, Jia-Hong
Copyright Year	2018
Description	Journal: Iop Conference Series: Earth and Environmental Science The spatial-temporal evolution of drought and flood events and their occurrence frequency in northern Henan Province, China are quantitatively analyzed during 1961~2015, based on temperature and precipitation data, by using Standardized Precipitation Evapotranspiration Index (SPEI) and indicators of drought and flood. The results show that there are significant differences in the periodicity and fluctuation of SPEI value at different time scales in the north of Henan Province during the study period. Firstly, at monthly scale, the monthly frequency of drought in the northern part of Henan Province shows a decreasing trend, but that of flood shows an increasing trend. Secondly, at seasonal scale, Autumn droughts have the highest occurrence frequency, followed by Summer droughts and Winter droughts. But for flood events, Summer floods have the highest frequency. Finally, as to the inter-annual variability of droughts and floods, serious droughts are occurred in northern Henan Province in the 1980s, 2000s and 2011-2015, but serious floods occur in the 1960s and 1970s.
Related Links	https://iopscience.iop.org/article/10.1088/1755-1315/182/1/012008/pdf http://iopscience.iop.org/article/10.1088/1755-1315/182/1/012008/pdf
ISSN	17551307
e-ISSN	17551315
DOI	10.1088/1755-1315/182/1/012008
Journal	Iop Conference Series: Earth and Environmental Science
Issue Number	1
Volume Number	182
Language	English
Publisher	IOP Publishing
Publisher Date	2018-09-07
Access Restriction	Open
Subject Keyword	Journal: Iop Conference Series: Earth and Environmental Science Atmospheric Sciences Henan Province Northern Henan Drought and Flood Flood Events
Content Type	Text
Resource Type	Article
Subject	Earth and Planetary Sciences Physics and Astronomy Environmental Science

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