Spatiotemporal Changes of Reference Evapotranspiration in the Highest-Latitude Region of China

Reference evapotranspiration (ET0) is often used to make management decisions for crop irrigation scheduling and production. In this study, the spatial and temporal trends of ET0 in China’s most northern province as well as the country’s largest agricultural region were analyzed for the period from...
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Autor*in:	Peng Qi [verfasserIn] Guangxin Zhang [verfasserIn] Y. Jun Xu [verfasserIn] Yanfeng Wu [verfasserIn] Zongting Gao [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2017

Schlagwörter:	reference evapotranspiration different elevations high-altitude region Heilongjiang province

Übergeordnetes Werk:	In: Water - MDPI AG, 2010, 9(2017), 7, p 493
Übergeordnetes Werk:	volume:9 ; year:2017 ; number:7, p 493

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.3390/w9070493

Katalog-ID:	DOAJ033209219

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520			\|a Reference evapotranspiration (ET0) is often used to make management decisions for crop irrigation scheduling and production. In this study, the spatial and temporal trends of ET0 in China’s most northern province as well as the country’s largest agricultural region were analyzed for the period from 1964 to 2013. ET0 was calculated with the Penman-Monteith of Food and Agriculture Organization of the United Nations irrigation and drainage paper NO.56 (FAO-56) using climatic data collected from 27 stations. Inverse distance weighting (IDW) was used for the spatial interpolation of the estimated ET0. A Modified Mann–Kendall test (MMK) was applied to test the spatiotemporal trends of ET0, while Pearson’s correlation coefficient and cross-wavelet analysis were employed to assess the factors affecting the spatiotemporal variability at different elevations. The results from this study showed a clear decreasing trend for annual ET0 from the low elevation plain area to the high elevation mountainous area. Over the past five decades, ET0 in Heilongjiang Province decreased in all seasons, except for the winter months, during which a steady increase in temperature was found. Elevation played an important role in estimating ET0 in this higher-latitude region, while relative humidity was the most relevant meteorological factor that affected the spatiotemporal variation of ET0 in the province. Overall, the findings from the study suggest that winter ET0 in a high altitude region will continue to increase in the future as climate change persists, which could worsen spring droughts and irrigation management for semi-arid areas in the province.
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allfieldsGer	10.3390/w9070493 doi (DE-627)DOAJ033209219 (DE-599)DOAJ1a8be0802f734741b20542e361b2bfb0 DE-627 ger DE-627 rakwb eng TC1-978 TD201-500 Peng Qi verfasserin aut Spatiotemporal Changes of Reference Evapotranspiration in the Highest-Latitude Region of China 2017 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Reference evapotranspiration (ET0) is often used to make management decisions for crop irrigation scheduling and production. In this study, the spatial and temporal trends of ET0 in China’s most northern province as well as the country’s largest agricultural region were analyzed for the period from 1964 to 2013. ET0 was calculated with the Penman-Monteith of Food and Agriculture Organization of the United Nations irrigation and drainage paper NO.56 (FAO-56) using climatic data collected from 27 stations. Inverse distance weighting (IDW) was used for the spatial interpolation of the estimated ET0. A Modified Mann–Kendall test (MMK) was applied to test the spatiotemporal trends of ET0, while Pearson’s correlation coefficient and cross-wavelet analysis were employed to assess the factors affecting the spatiotemporal variability at different elevations. The results from this study showed a clear decreasing trend for annual ET0 from the low elevation plain area to the high elevation mountainous area. Over the past five decades, ET0 in Heilongjiang Province decreased in all seasons, except for the winter months, during which a steady increase in temperature was found. Elevation played an important role in estimating ET0 in this higher-latitude region, while relative humidity was the most relevant meteorological factor that affected the spatiotemporal variation of ET0 in the province. Overall, the findings from the study suggest that winter ET0 in a high altitude region will continue to increase in the future as climate change persists, which could worsen spring droughts and irrigation management for semi-arid areas in the province. reference evapotranspiration different elevations high-altitude region Heilongjiang province Hydraulic engineering Water supply for domestic and industrial purposes Guangxin Zhang verfasserin aut Y. Jun Xu verfasserin aut Yanfeng Wu verfasserin aut Zongting Gao verfasserin aut In Water MDPI AG, 2010 9(2017), 7, p 493 (DE-627)611729008 (DE-600)2521238-2 20734441 nnns volume:9 year:2017 number:7, p 493 https://doi.org/10.3390/w9070493 kostenfrei https://doaj.org/article/1a8be0802f734741b20542e361b2bfb0 kostenfrei https://www.mdpi.com/2073-4441/9/7/493 kostenfrei https://doaj.org/toc/2073-4441 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4367 GBV_ILN_4700 AR 9 2017 7, p 493
allfieldsSound	10.3390/w9070493 doi (DE-627)DOAJ033209219 (DE-599)DOAJ1a8be0802f734741b20542e361b2bfb0 DE-627 ger DE-627 rakwb eng TC1-978 TD201-500 Peng Qi verfasserin aut Spatiotemporal Changes of Reference Evapotranspiration in the Highest-Latitude Region of China 2017 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Reference evapotranspiration (ET0) is often used to make management decisions for crop irrigation scheduling and production. In this study, the spatial and temporal trends of ET0 in China’s most northern province as well as the country’s largest agricultural region were analyzed for the period from 1964 to 2013. ET0 was calculated with the Penman-Monteith of Food and Agriculture Organization of the United Nations irrigation and drainage paper NO.56 (FAO-56) using climatic data collected from 27 stations. Inverse distance weighting (IDW) was used for the spatial interpolation of the estimated ET0. A Modified Mann–Kendall test (MMK) was applied to test the spatiotemporal trends of ET0, while Pearson’s correlation coefficient and cross-wavelet analysis were employed to assess the factors affecting the spatiotemporal variability at different elevations. The results from this study showed a clear decreasing trend for annual ET0 from the low elevation plain area to the high elevation mountainous area. Over the past five decades, ET0 in Heilongjiang Province decreased in all seasons, except for the winter months, during which a steady increase in temperature was found. Elevation played an important role in estimating ET0 in this higher-latitude region, while relative humidity was the most relevant meteorological factor that affected the spatiotemporal variation of ET0 in the province. Overall, the findings from the study suggest that winter ET0 in a high altitude region will continue to increase in the future as climate change persists, which could worsen spring droughts and irrigation management for semi-arid areas in the province. reference evapotranspiration different elevations high-altitude region Heilongjiang province Hydraulic engineering Water supply for domestic and industrial purposes Guangxin Zhang verfasserin aut Y. Jun Xu verfasserin aut Yanfeng Wu verfasserin aut Zongting Gao verfasserin aut In Water MDPI AG, 2010 9(2017), 7, p 493 (DE-627)611729008 (DE-600)2521238-2 20734441 nnns volume:9 year:2017 number:7, p 493 https://doi.org/10.3390/w9070493 kostenfrei https://doaj.org/article/1a8be0802f734741b20542e361b2bfb0 kostenfrei https://www.mdpi.com/2073-4441/9/7/493 kostenfrei https://doaj.org/toc/2073-4441 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4367 GBV_ILN_4700 AR 9 2017 7, p 493
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callnumber-first	T - Technology
author	Peng Qi
spellingShingle	Peng Qi misc TC1-978 misc TD201-500 misc reference evapotranspiration misc different elevations misc high-altitude region misc Heilongjiang province misc Hydraulic engineering misc Water supply for domestic and industrial purposes Spatiotemporal Changes of Reference Evapotranspiration in the Highest-Latitude Region of China
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topic_title	TC1-978 TD201-500 Spatiotemporal Changes of Reference Evapotranspiration in the Highest-Latitude Region of China reference evapotranspiration different elevations high-altitude region Heilongjiang province
topic	misc TC1-978 misc TD201-500 misc reference evapotranspiration misc different elevations misc high-altitude region misc Heilongjiang province misc Hydraulic engineering misc Water supply for domestic and industrial purposes
topic_unstemmed	misc TC1-978 misc TD201-500 misc reference evapotranspiration misc different elevations misc high-altitude region misc Heilongjiang province misc Hydraulic engineering misc Water supply for domestic and industrial purposes
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title	Spatiotemporal Changes of Reference Evapotranspiration in the Highest-Latitude Region of China
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title_full	Spatiotemporal Changes of Reference Evapotranspiration in the Highest-Latitude Region of China
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author_browse	Peng Qi Guangxin Zhang Y. Jun Xu Yanfeng Wu Zongting Gao
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title_sort	spatiotemporal changes of reference evapotranspiration in the highest-latitude region of china
callnumber	TC1-978
title_auth	Spatiotemporal Changes of Reference Evapotranspiration in the Highest-Latitude Region of China
abstract	Reference evapotranspiration (ET0) is often used to make management decisions for crop irrigation scheduling and production. In this study, the spatial and temporal trends of ET0 in China’s most northern province as well as the country’s largest agricultural region were analyzed for the period from 1964 to 2013. ET0 was calculated with the Penman-Monteith of Food and Agriculture Organization of the United Nations irrigation and drainage paper NO.56 (FAO-56) using climatic data collected from 27 stations. Inverse distance weighting (IDW) was used for the spatial interpolation of the estimated ET0. A Modified Mann–Kendall test (MMK) was applied to test the spatiotemporal trends of ET0, while Pearson’s correlation coefficient and cross-wavelet analysis were employed to assess the factors affecting the spatiotemporal variability at different elevations. The results from this study showed a clear decreasing trend for annual ET0 from the low elevation plain area to the high elevation mountainous area. Over the past five decades, ET0 in Heilongjiang Province decreased in all seasons, except for the winter months, during which a steady increase in temperature was found. Elevation played an important role in estimating ET0 in this higher-latitude region, while relative humidity was the most relevant meteorological factor that affected the spatiotemporal variation of ET0 in the province. Overall, the findings from the study suggest that winter ET0 in a high altitude region will continue to increase in the future as climate change persists, which could worsen spring droughts and irrigation management for semi-arid areas in the province.
abstractGer	Reference evapotranspiration (ET0) is often used to make management decisions for crop irrigation scheduling and production. In this study, the spatial and temporal trends of ET0 in China’s most northern province as well as the country’s largest agricultural region were analyzed for the period from 1964 to 2013. ET0 was calculated with the Penman-Monteith of Food and Agriculture Organization of the United Nations irrigation and drainage paper NO.56 (FAO-56) using climatic data collected from 27 stations. Inverse distance weighting (IDW) was used for the spatial interpolation of the estimated ET0. A Modified Mann–Kendall test (MMK) was applied to test the spatiotemporal trends of ET0, while Pearson’s correlation coefficient and cross-wavelet analysis were employed to assess the factors affecting the spatiotemporal variability at different elevations. The results from this study showed a clear decreasing trend for annual ET0 from the low elevation plain area to the high elevation mountainous area. Over the past five decades, ET0 in Heilongjiang Province decreased in all seasons, except for the winter months, during which a steady increase in temperature was found. Elevation played an important role in estimating ET0 in this higher-latitude region, while relative humidity was the most relevant meteorological factor that affected the spatiotemporal variation of ET0 in the province. Overall, the findings from the study suggest that winter ET0 in a high altitude region will continue to increase in the future as climate change persists, which could worsen spring droughts and irrigation management for semi-arid areas in the province.
abstract_unstemmed	Reference evapotranspiration (ET0) is often used to make management decisions for crop irrigation scheduling and production. In this study, the spatial and temporal trends of ET0 in China’s most northern province as well as the country’s largest agricultural region were analyzed for the period from 1964 to 2013. ET0 was calculated with the Penman-Monteith of Food and Agriculture Organization of the United Nations irrigation and drainage paper NO.56 (FAO-56) using climatic data collected from 27 stations. Inverse distance weighting (IDW) was used for the spatial interpolation of the estimated ET0. A Modified Mann–Kendall test (MMK) was applied to test the spatiotemporal trends of ET0, while Pearson’s correlation coefficient and cross-wavelet analysis were employed to assess the factors affecting the spatiotemporal variability at different elevations. The results from this study showed a clear decreasing trend for annual ET0 from the low elevation plain area to the high elevation mountainous area. Over the past five decades, ET0 in Heilongjiang Province decreased in all seasons, except for the winter months, during which a steady increase in temperature was found. Elevation played an important role in estimating ET0 in this higher-latitude region, while relative humidity was the most relevant meteorological factor that affected the spatiotemporal variation of ET0 in the province. Overall, the findings from the study suggest that winter ET0 in a high altitude region will continue to increase in the future as climate change persists, which could worsen spring droughts and irrigation management for semi-arid areas in the province.
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title_short	Spatiotemporal Changes of Reference Evapotranspiration in the Highest-Latitude Region of China
url	https://doi.org/10.3390/w9070493 https://doaj.org/article/1a8be0802f734741b20542e361b2bfb0 https://www.mdpi.com/2073-4441/9/7/493 https://doaj.org/toc/2073-4441
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Spatiotemporal Changes of Reference Evapotranspiration in the Highest-Latitude Region of China

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