Have China's drylands become wetting in the past 50 years?

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Standard

Have China's drylands become wetting in the past 50 years? / Zhang, Yu; Zhang, Yangjian; Cheng, Liang; Cong, Nan; Zheng, Zhoutao; Huang, Ke; Zhang, Jianshuang; Zhu, Yixuan; Gao, Jie; Sun, Yihan.

I: Journal of Geographical Sciences, Bind 33, Nr. 1, 2023, s. 99-120.

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningfagfællebedømt

Harvard

Zhang, Y, Zhang, Y, Cheng, L, Cong, N, Zheng, Z, Huang, K, Zhang, J, Zhu, Y, Gao, J & Sun, Y 2023, 'Have China's drylands become wetting in the past 50 years?', Journal of Geographical Sciences, bind 33, nr. 1, s. 99-120. https://doi.org/10.1007/s11442-022-2067-5

APA

Zhang, Y., Zhang, Y., Cheng, L., Cong, N., Zheng, Z., Huang, K., Zhang, J., Zhu, Y., Gao, J., & Sun, Y. (2023). Have China's drylands become wetting in the past 50 years? Journal of Geographical Sciences, 33(1), 99-120. https://doi.org/10.1007/s11442-022-2067-5

Vancouver

Zhang Y, Zhang Y, Cheng L, Cong N, Zheng Z, Huang K o.a. Have China's drylands become wetting in the past 50 years? Journal of Geographical Sciences. 2023;33(1):99-120. https://doi.org/10.1007/s11442-022-2067-5

Author

Zhang, Yu ; Zhang, Yangjian ; Cheng, Liang ; Cong, Nan ; Zheng, Zhoutao ; Huang, Ke ; Zhang, Jianshuang ; Zhu, Yixuan ; Gao, Jie ; Sun, Yihan. / Have China's drylands become wetting in the past 50 years?. I: Journal of Geographical Sciences. 2023 ; Bind 33, Nr. 1. s. 99-120.

Bibtex

@article{2d1f37a1e2d344bfb51b441de1112cf9,
title = "Have China's drylands become wetting in the past 50 years?",
abstract = "Recently, whether drylands of Northwest China (NW) have become wetting has been attracting surging attentions. By comparing the Standard Precipitation Evapotranspiration Indices (SPEI) derived from two different potential evapotranspiration estimates, i.e., the Thornthwaite algorithm (SPEI_th) and the Penman-Monteith equation (SPEI_pm), we try to resolve the controversy. The analysis indicated that air temperature has been warming significantly at a rate of 0.4? decade(-1) in the last five decades and the more arid areas are more prone to becoming warmer. Annual precipitation of the entire study area increased insignificantly by 3.6 mm decade(-1) from 1970 to 2019 but NW presented significantly increasing trends. Further, the SPEI_th and SPEI_pm demonstrated similar wetting-drying-wetting trends (three phases) in China's drylands during 1970-2019. The common periodical signals in the middle phase were identified both by SPEI_th and SPEI_pm wavelet analysis. Analysis with different temporal intervals can lead to divergent or even opposite results. The attribution analysis revealed that precipitation is the main climatic factor driving the drought trend transition. This study hints that the wetting trend's direction and magnitude hinge on the targeted temporal periods and regions.",
keywords = "China, drylands, drying or wetting trend, Standard Precipitation Evapotranspiration Index (SPEI), drought, aridity, ASIAN SUMMER MONSOON, POTENTIAL EVAPOTRANSPIRATION, WAVELET COHERENCE, CLIMATE-CHANGE, DROUGHT, PRECIPITATION, TRENDS, DRY, CLASSIFICATION, VARIABILITY",
author = "Yu Zhang and Yangjian Zhang and Liang Cheng and Nan Cong and Zhoutao Zheng and Ke Huang and Jianshuang Zhang and Yixuan Zhu and Jie Gao and Yihan Sun",
year = "2023",
doi = "10.1007/s11442-022-2067-5",
language = "English",
volume = "33",
pages = "99--120",
journal = "Journal of Chinese Geography",
issn = "0375-5444",
publisher = "Zhongguo Kexue Zazhishe",
number = "1",

}

RIS

TY - JOUR

T1 - Have China's drylands become wetting in the past 50 years?

AU - Zhang, Yu

AU - Zhang, Yangjian

AU - Cheng, Liang

AU - Cong, Nan

AU - Zheng, Zhoutao

AU - Huang, Ke

AU - Zhang, Jianshuang

AU - Zhu, Yixuan

AU - Gao, Jie

AU - Sun, Yihan

PY - 2023

Y1 - 2023

N2 - Recently, whether drylands of Northwest China (NW) have become wetting has been attracting surging attentions. By comparing the Standard Precipitation Evapotranspiration Indices (SPEI) derived from two different potential evapotranspiration estimates, i.e., the Thornthwaite algorithm (SPEI_th) and the Penman-Monteith equation (SPEI_pm), we try to resolve the controversy. The analysis indicated that air temperature has been warming significantly at a rate of 0.4? decade(-1) in the last five decades and the more arid areas are more prone to becoming warmer. Annual precipitation of the entire study area increased insignificantly by 3.6 mm decade(-1) from 1970 to 2019 but NW presented significantly increasing trends. Further, the SPEI_th and SPEI_pm demonstrated similar wetting-drying-wetting trends (three phases) in China's drylands during 1970-2019. The common periodical signals in the middle phase were identified both by SPEI_th and SPEI_pm wavelet analysis. Analysis with different temporal intervals can lead to divergent or even opposite results. The attribution analysis revealed that precipitation is the main climatic factor driving the drought trend transition. This study hints that the wetting trend's direction and magnitude hinge on the targeted temporal periods and regions.

AB - Recently, whether drylands of Northwest China (NW) have become wetting has been attracting surging attentions. By comparing the Standard Precipitation Evapotranspiration Indices (SPEI) derived from two different potential evapotranspiration estimates, i.e., the Thornthwaite algorithm (SPEI_th) and the Penman-Monteith equation (SPEI_pm), we try to resolve the controversy. The analysis indicated that air temperature has been warming significantly at a rate of 0.4? decade(-1) in the last five decades and the more arid areas are more prone to becoming warmer. Annual precipitation of the entire study area increased insignificantly by 3.6 mm decade(-1) from 1970 to 2019 but NW presented significantly increasing trends. Further, the SPEI_th and SPEI_pm demonstrated similar wetting-drying-wetting trends (three phases) in China's drylands during 1970-2019. The common periodical signals in the middle phase were identified both by SPEI_th and SPEI_pm wavelet analysis. Analysis with different temporal intervals can lead to divergent or even opposite results. The attribution analysis revealed that precipitation is the main climatic factor driving the drought trend transition. This study hints that the wetting trend's direction and magnitude hinge on the targeted temporal periods and regions.

KW - China

KW - drylands

KW - drying or wetting trend

KW - Standard Precipitation Evapotranspiration Index (SPEI)

KW - drought

KW - aridity

KW - ASIAN SUMMER MONSOON

KW - POTENTIAL EVAPOTRANSPIRATION

KW - WAVELET COHERENCE

KW - CLIMATE-CHANGE

KW - DROUGHT

KW - PRECIPITATION

KW - TRENDS

KW - DRY

KW - CLASSIFICATION

KW - VARIABILITY

U2 - 10.1007/s11442-022-2067-5

DO - 10.1007/s11442-022-2067-5

M3 - Journal article

VL - 33

SP - 99

EP - 120

JO - Journal of Chinese Geography

JF - Journal of Chinese Geography

SN - 0375-5444

IS - 1

ER -

ID: 334398981