Spatiotemporal variations of multi-scale drought in Shandong Province from 1961 to 2017

Drought has caused serious damage to the water resource system and agricultural production in Shandong Province, China. This study calculated the standardized precipitation evapotranspiration index (SPEI) based on the monthly precipitation and average temperature data of 25 meteorological stations i...

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Autores principales:	Tian Yao, Qiang Zhao, Xin-ying Li, Zhen-tao Shen, Peng-yu Ran, Wei Wu
Formato:	article
Lenguaje:	EN
Publicado:	IWA Publishing 2021
Materias:	drought shandong province spatial-temporal evolution spei Water supply for domestic and industrial purposes TD201-500 River, lake, and water-supply engineering (General) TC401-506
Acceso en línea:	https://doaj.org/article/58b786f9a0c240778e3439a1c437b641
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id	oai:doaj.org-article:58b786f9a0c240778e3439a1c437b641
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spelling	oai:doaj.org-article:58b786f9a0c240778e3439a1c437b6412021-11-06T07:09:03ZSpatiotemporal variations of multi-scale drought in Shandong Province from 1961 to 20171606-97491607-079810.2166/ws.2020.332https://doaj.org/article/58b786f9a0c240778e3439a1c437b6412021-03-01T00:00:00Zhttp://ws.iwaponline.com/content/21/2/525https://doaj.org/toc/1606-9749https://doaj.org/toc/1607-0798Drought has caused serious damage to the water resource system and agricultural production in Shandong Province, China. This study calculated the standardized precipitation evapotranspiration index (SPEI) based on the monthly precipitation and average temperature data of 25 meteorological stations in Shandong Province from 1961 to 2017. The trend analysis method and ArcGIS software were utilized to analyze the multi-scale (SPEI-1, SPEI-3, and SPEI-12) spatiotemporal changes of drought. The results revealed that (1) The intensity of drought showed an increasing trend in Shandong Province from 1961 to 2017; (2) The main periods of the drought on the seasonal scale (spring, summer, autumn, and winter) and annual scale were 8 years, 4 years, 15 years, 4 years, and 4 years, respectively; (3) Of the four seasons, the frequency of drought in autumn and winter were the highest. At the annual scale, the high-frequency drought areas were mainly concentrated in the southern mountainous regions; (4) In terms of the spatial change trend of drought, Shandong Province as a whole displayed a trend of becoming wet in the central and southwest regions and dry in the eastern region; and (5) Droughts were discovered to be simultaneously influenced by multiple atmospheric circulation indices in Shandong Province. HIGHLIGHTS The intensity of drought showed an increasing trend.; The spatial distribution of drought in Shandong Province varies greatly at different scales.; The aridity trend across the entire province in autumn.; Droughts in Shandong Province were simultaneously affected by multiple atmospheric circulation indices.;Tian YaoQiang ZhaoXin-ying LiZhen-tao ShenPeng-yu RanWei WuIWA Publishingarticledroughtshandong provincespatial-temporal evolutionspeiWater supply for domestic and industrial purposesTD201-500River, lake, and water-supply engineering (General)TC401-506ENWater Supply, Vol 21, Iss 2, Pp 525-541 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	drought shandong province spatial-temporal evolution spei Water supply for domestic and industrial purposes TD201-500 River, lake, and water-supply engineering (General) TC401-506
spellingShingle	drought shandong province spatial-temporal evolution spei Water supply for domestic and industrial purposes TD201-500 River, lake, and water-supply engineering (General) TC401-506 Tian Yao Qiang Zhao Xin-ying Li Zhen-tao Shen Peng-yu Ran Wei Wu Spatiotemporal variations of multi-scale drought in Shandong Province from 1961 to 2017
description	Drought has caused serious damage to the water resource system and agricultural production in Shandong Province, China. This study calculated the standardized precipitation evapotranspiration index (SPEI) based on the monthly precipitation and average temperature data of 25 meteorological stations in Shandong Province from 1961 to 2017. The trend analysis method and ArcGIS software were utilized to analyze the multi-scale (SPEI-1, SPEI-3, and SPEI-12) spatiotemporal changes of drought. The results revealed that (1) The intensity of drought showed an increasing trend in Shandong Province from 1961 to 2017; (2) The main periods of the drought on the seasonal scale (spring, summer, autumn, and winter) and annual scale were 8 years, 4 years, 15 years, 4 years, and 4 years, respectively; (3) Of the four seasons, the frequency of drought in autumn and winter were the highest. At the annual scale, the high-frequency drought areas were mainly concentrated in the southern mountainous regions; (4) In terms of the spatial change trend of drought, Shandong Province as a whole displayed a trend of becoming wet in the central and southwest regions and dry in the eastern region; and (5) Droughts were discovered to be simultaneously influenced by multiple atmospheric circulation indices in Shandong Province. HIGHLIGHTS The intensity of drought showed an increasing trend.; The spatial distribution of drought in Shandong Province varies greatly at different scales.; The aridity trend across the entire province in autumn.; Droughts in Shandong Province were simultaneously affected by multiple atmospheric circulation indices.;
format	article
author	Tian Yao Qiang Zhao Xin-ying Li Zhen-tao Shen Peng-yu Ran Wei Wu
author_facet	Tian Yao Qiang Zhao Xin-ying Li Zhen-tao Shen Peng-yu Ran Wei Wu
author_sort	Tian Yao
title	Spatiotemporal variations of multi-scale drought in Shandong Province from 1961 to 2017
title_short	Spatiotemporal variations of multi-scale drought in Shandong Province from 1961 to 2017
title_full	Spatiotemporal variations of multi-scale drought in Shandong Province from 1961 to 2017
title_fullStr	Spatiotemporal variations of multi-scale drought in Shandong Province from 1961 to 2017
title_full_unstemmed	Spatiotemporal variations of multi-scale drought in Shandong Province from 1961 to 2017
title_sort	spatiotemporal variations of multi-scale drought in shandong province from 1961 to 2017
publisher	IWA Publishing
publishDate	2021
url	https://doaj.org/article/58b786f9a0c240778e3439a1c437b641
work_keys_str_mv	AT tianyao spatiotemporalvariationsofmultiscaledroughtinshandongprovincefrom1961to2017 AT qiangzhao spatiotemporalvariationsofmultiscaledroughtinshandongprovincefrom1961to2017 AT xinyingli spatiotemporalvariationsofmultiscaledroughtinshandongprovincefrom1961to2017 AT zhentaoshen spatiotemporalvariationsofmultiscaledroughtinshandongprovincefrom1961to2017 AT pengyuran spatiotemporalvariationsofmultiscaledroughtinshandongprovincefrom1961to2017 AT weiwu spatiotemporalvariationsofmultiscaledroughtinshandongprovincefrom1961to2017
_version_	1718443795529334784

Spatiotemporal variations of multi-scale drought in Shandong Province from 1961 to 2017

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