Variation Characteristics and Influencing Factors of Reference Crop Evapotranspiration in Guangdong Province under Climate Change
To explore the temporal and spatial variation characteristics of reference crop evapotranspiration (ET<sub>0</sub>) in Guangdong Province under climate change and its influencing factors,based on the surface observation data of 37 meteorological stations in Guangdong Province during 1980...
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Editorial Office of Pearl River
2023-01-01
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| Series: | Renmin Zhujiang |
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| Online Access: | http://www.renminzhujiang.cn/thesisDetails#10.3969/j.issn.1001-9235.2023.12.004 |
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| author | HUANG Song DAI Jiaqi ZHAO Baoshan LIU Na LI Hui CHU Huaping |
| author_facet | HUANG Song DAI Jiaqi ZHAO Baoshan LIU Na LI Hui CHU Huaping |
| author_sort | HUANG Song |
| collection | DOAJ |
| description | To explore the temporal and spatial variation characteristics of reference crop evapotranspiration (ET<sub>0</sub>) in Guangdong Province under climate change and its influencing factors,based on the surface observation data of 37 meteorological stations in Guangdong Province during 1980—2020,the FAO-56 Penman-Monteith method was applied to calculate the daily ET<sub>0</sub> of each meteorological station.In addition,this research systematically analyzed the temporal and spatial variation characteristics of ET<sub>0</sub> in Guangdong Province and quantitatively studied the influence degree of various meteorological factors on ET<sub>0</sub> by using sensitivity and contribution rate analysis methods.The results show that in terms of time scale,the annual average ET<sub>0</sub> in Guangdong Province is 1 150 mm,and it shows a significant increasing trend at the rate of 14.84 mm/10a.In terms of spatial scale,ET<sub>0</sub> in Guangdong Province shows an increasing trend from north to south,with a variation range of 1 069~1 235 mm.ET<sub>0</sub> is more sensitive to relative humidity and temperature than sunshine duration and wind speed.The contribution rate analysis shows that temperature is the dominant factor for ET<sub>0</sub> variation in Guangdong Province,followed by sunshine duration,relative humidity,and wind speed.The potential increase in temperature combined with the decrease in relative humidity can lead to higher ET<sub>0</sub> and drought events in the future.This study can provide a scientific basis for water resources planning and agricultural irrigation management in Guangdong Province. |
| format | Article |
| id | doaj-art-8becf5bac8c747ab9130fc2bbc072708 |
| institution | Kabale University |
| issn | 1001-9235 |
| language | zho |
| publishDate | 2023-01-01 |
| publisher | Editorial Office of Pearl River |
| record_format | Article |
| series | Renmin Zhujiang |
| spelling | doaj-art-8becf5bac8c747ab9130fc2bbc0727082025-01-15T02:34:51ZzhoEditorial Office of Pearl RiverRenmin Zhujiang1001-92352023-01-014448614733Variation Characteristics and Influencing Factors of Reference Crop Evapotranspiration in Guangdong Province under Climate ChangeHUANG SongDAI JiaqiZHAO BaoshanLIU NaLI HuiCHU HuapingTo explore the temporal and spatial variation characteristics of reference crop evapotranspiration (ET<sub>0</sub>) in Guangdong Province under climate change and its influencing factors,based on the surface observation data of 37 meteorological stations in Guangdong Province during 1980—2020,the FAO-56 Penman-Monteith method was applied to calculate the daily ET<sub>0</sub> of each meteorological station.In addition,this research systematically analyzed the temporal and spatial variation characteristics of ET<sub>0</sub> in Guangdong Province and quantitatively studied the influence degree of various meteorological factors on ET<sub>0</sub> by using sensitivity and contribution rate analysis methods.The results show that in terms of time scale,the annual average ET<sub>0</sub> in Guangdong Province is 1 150 mm,and it shows a significant increasing trend at the rate of 14.84 mm/10a.In terms of spatial scale,ET<sub>0</sub> in Guangdong Province shows an increasing trend from north to south,with a variation range of 1 069~1 235 mm.ET<sub>0</sub> is more sensitive to relative humidity and temperature than sunshine duration and wind speed.The contribution rate analysis shows that temperature is the dominant factor for ET<sub>0</sub> variation in Guangdong Province,followed by sunshine duration,relative humidity,and wind speed.The potential increase in temperature combined with the decrease in relative humidity can lead to higher ET<sub>0</sub> and drought events in the future.This study can provide a scientific basis for water resources planning and agricultural irrigation management in Guangdong Province.http://www.renminzhujiang.cn/thesisDetails#10.3969/j.issn.1001-9235.2023.12.004climate changereference crop evapotranspirationmeteorological factorssensitivity analysisGuangdong province |
| spellingShingle | HUANG Song DAI Jiaqi ZHAO Baoshan LIU Na LI Hui CHU Huaping Variation Characteristics and Influencing Factors of Reference Crop Evapotranspiration in Guangdong Province under Climate Change Renmin Zhujiang climate change reference crop evapotranspiration meteorological factors sensitivity analysis Guangdong province |
| title | Variation Characteristics and Influencing Factors of Reference Crop Evapotranspiration in Guangdong Province under Climate Change |
| title_full | Variation Characteristics and Influencing Factors of Reference Crop Evapotranspiration in Guangdong Province under Climate Change |
| title_fullStr | Variation Characteristics and Influencing Factors of Reference Crop Evapotranspiration in Guangdong Province under Climate Change |
| title_full_unstemmed | Variation Characteristics and Influencing Factors of Reference Crop Evapotranspiration in Guangdong Province under Climate Change |
| title_short | Variation Characteristics and Influencing Factors of Reference Crop Evapotranspiration in Guangdong Province under Climate Change |
| title_sort | variation characteristics and influencing factors of reference crop evapotranspiration in guangdong province under climate change |
| topic | climate change reference crop evapotranspiration meteorological factors sensitivity analysis Guangdong province |
| url | http://www.renminzhujiang.cn/thesisDetails#10.3969/j.issn.1001-9235.2023.12.004 |
| work_keys_str_mv | AT huangsong variationcharacteristicsandinfluencingfactorsofreferencecropevapotranspirationinguangdongprovinceunderclimatechange AT daijiaqi variationcharacteristicsandinfluencingfactorsofreferencecropevapotranspirationinguangdongprovinceunderclimatechange AT zhaobaoshan variationcharacteristicsandinfluencingfactorsofreferencecropevapotranspirationinguangdongprovinceunderclimatechange AT liuna variationcharacteristicsandinfluencingfactorsofreferencecropevapotranspirationinguangdongprovinceunderclimatechange AT lihui variationcharacteristicsandinfluencingfactorsofreferencecropevapotranspirationinguangdongprovinceunderclimatechange AT chuhuaping variationcharacteristicsandinfluencingfactorsofreferencecropevapotranspirationinguangdongprovinceunderclimatechange |