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Changing the retention properties of catchments and their influence on runoff under climate change
Yang, H (Yang, Hui)1; Piao, SL (Piao, Shilong)1,2; Huntingford, C (Huntingford, Chris)3; Ciais, P (Ciais, Philippe)4; Li, Y (Li, Yue)1; Wang, T (Wang, Tao)2; Peng, SS (Peng, Shushi)1; Yang, YT (Yang, Yuting)5; Yang, DW (Yang, Dawen)5; Chang, JF (Chang, Jinfeng)4
Source PublicationENVIRONMENTAL RESEARCH LETTERS
2018-09-01
Volume13Issue:9Pages:文献号: 094019
DOI10.1088/1748-9326/aadd32
Abstract

Many studies on drought consider precipitation and potential evapotranspiration (PET) impacts. However, catchment water retention is a factor affecting the interception of precipitation and slowing down runoff which also plays a critical role in determining the risks of hydrological drought. The Budyko framework links retention to the partitioning of precipitation into runoff or evapotranspiration. Applied worldwide, we demonstrate that retention changes are the dominant contribution to measured runoff changes in 21 of 33 major catchments. Similarly, assessing climate simulations for the historical period suggests that models substantially underestimate observed runoff changes due to unrepresented water management processes. Climate models show that water retention (without direct water management) generally decreases by the end of the 21st century, except in dry central Asia and northwestern China. Such decreases raise runoff, mainly driven by precipitation intensity increases (RCP4.5 scenario) and additionally by CO2-induced stomata closure (RCP8.5). This mitigates runoff deficits (generally from raised PET under warming) by increasing global mean runoff from -2.77 mm yr(-1) to +3.81 mm yr(-1) (RCP4.5), and -6.98 mm yr(-1) to +5.11 mm yr(-1) (RCP8.5).

Subject Area生态学
WOS IDWOS:000444612000001
Language英语
Indexed BySCIE
KeywordPotential Evapotranspiration Budyko Framework Plant-responses Carbon-dioxide Water Cycle Precipitation Vegetation Increase Trends Model
WOS Research AreaEnvironmental Sciences & Ecology ; Meteorology & Atmospheric Sciences
WOS SubjectEnvironmental Sciences ; Meteorology & Atmospheric Sciences
Cooperation Status国际
ISSN1748-9326
Department高寒生态重点实验室
PublisherIOP PUBLISHING LTD
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itpcas.ac.cn/handle/131C11/8551
Collection图书馆
Corresponding AuthorPiao, SL (Piao, Shilong)
Affiliation1.Peking Univ, Coll Urban & Environm Sci, Sino French Inst Earth Syst Sci, Beijing 100871, Peoples R China;
2.Chinese Acad Sci, Ctr Excellence Tibetan Earth Sci, Inst Tibetan Plateau Res, Key Lab Alpine Ecol & Biodivers, Beijing 100085, Peoples R China;
3.Ctr Ecol & Hydrol, Benson Lane, Wallingford OX10 8BB, Oxon, England;
4.CNRS, CEA, Lab Sci Climat & Environm, UVSQ, F-91191 Gif Sur Yvette, France;
5.Tsinghua Univ, State Key Lab Hydrosci & Engn, Dept Hydraul Engn, Beijing 100084, Peoples R China.
Recommended Citation
GB/T 7714
Yang, H ,Piao, SL ,Huntingford, C ,et al. Changing the retention properties of catchments and their influence on runoff under climate change[J]. ENVIRONMENTAL RESEARCH LETTERS,2018,13(9):文献号: 094019.
APA Yang, H .,Piao, SL .,Huntingford, C .,Ciais, P .,Li, Y .,...&Chang, JF .(2018).Changing the retention properties of catchments and their influence on runoff under climate change.ENVIRONMENTAL RESEARCH LETTERS,13(9),文献号: 094019.
MLA Yang, H ,et al."Changing the retention properties of catchments and their influence on runoff under climate change".ENVIRONMENTAL RESEARCH LETTERS 13.9(2018):文献号: 094019.
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