id:"swepub:oai:lup.lub.lu.se:8223b940-5055-4892-8819-61fa1ba17470"
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- Chen, ShouzhiBeijing Normal University (författare)
Influences of Shifted Vegetation Phenology on Runoff Across a Hydroclimatic Gradient
- Artikel/kapitelEngelska2022
Förlag, utgivningsår, omfång ...
- 2022-01-04
- Frontiers Media SA,2022
Nummerbeteckningar
- LIBRIS-ID:oai:lup.lub.lu.se:8223b940-5055-4892-8819-61fa1ba17470
- https://lup.lub.lu.se/record/8223b940-5055-4892-8819-61fa1ba17470URI
- https://doi.org/10.3389/fpls.2021.802664DOI
Kompletterande språkuppgifter
- Språk:engelska
- Sammanfattning på:engelska
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- SwePubSwePub
Klassifikation
Anmärkningar
- Climate warming has changed vegetation phenology, and the phenology-associated impacts on terrestrial water fluxes remain largely unquantified. The impacts are linked to plant adjustments and responses to climate change and can be different in different hydroclimatic regions. Based on remote sensing data and observed river runoff of hydrological station from six river basins across a hydroclimatic gradient from northeast to southwest in China, the relative contributions of the vegetation (including spring and autumn phenology, growing season length (GSL), and gross primary productivity) and climatic factors affecting the river runoffs over 1982–2015 were investigated by applying gray relational analysis (GRA). We found that the average GSLs in humid regions (190–241 days) were longer than that in semi-humid regions (186–192 days), and the average GSLs were consistently extended by 4.8–13.9 days in 1982–2015 period in six river basins. The extensions were mainly linked to the delayed autumn phenology in the humid regions and to advanced spring phenology in the semi-humid regions. Across all river basins, the GRA results showed that precipitation (r = 0.74) and soil moisture (r = 0.73) determine the river runoffs, and the vegetation factors (VFs) especially the vegetation phenology also affected the river runoffs (spring phenology: r = 0.66; GSL: r = 0.61; autumn phenology: r = 0.59), even larger than the contribution from temperature (r = 0.57), but its relative importance is climatic region-dependent. Interestingly, the spring phenology is the main VF in the humid region for runoffs reduction, while both spring and autumn growth phenology are the main VFs in the semi-humid region, because large autumn phenology delay and less water supply capacity in spring amplify the effect of advanced spring phenology. This article reveals diverse linkages between climatic and VFs, and runoff in different hydroclimatic regions, and provides insights that vegetation phenology influences the ecohydrology process largely depending on the local hydroclimatic conditions, which improve our understanding of terrestrial hydrological responses to climate change.
Ämnesord och genrebeteckningar
- NATURVETENSKAP Geovetenskap och miljövetenskap Klimatforskning hsv//swe
- NATURAL SCIENCES Earth and Related Environmental Sciences Climate Research hsv//eng
- NATURVETENSKAP Biologi Ekologi hsv//swe
- NATURAL SCIENCES Biological Sciences Ecology hsv//eng
- climate change
- river basins
- runoff
- semi-humid and humid regions
- vegetation phenology
Biuppslag (personer, institutioner, konferenser, titlar ...)
- Fu, Yongshuo H.Beijing Normal University,University of Antwerp (författare)
- Geng, XiaojunBeijing Normal University (författare)
- Hao, ZengchaoBeijing Normal University (författare)
- Tang, JingLund University,Lunds universitet,MERGE: ModElling the Regional and Global Earth system,Centrum för miljö- och klimatvetenskap (CEC),Naturvetenskapliga fakulteten,Institutionen för naturgeografi och ekosystemvetenskap,Centre for Environmental and Climate Science (CEC),Faculty of Science,Dept of Physical Geography and Ecosystem Science,University of Copenhagen(Swepub:lu)ji3251ta (författare)
- Zhang, XuanBeijing Normal University (författare)
- Xu, ZongxueBeijing Normal University (författare)
- Hao, FanghuaBeijing Normal University (författare)
- Beijing Normal UniversityUniversity of Antwerp (creator_code:org_t)
Sammanhörande titlar
- Ingår i:Frontiers in Plant Science: Frontiers Media SA121664-462X
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- Frontiers in Plant Science (Sök värdpublikationen i LIBRIS)
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- Fu, Yongshuo H.
- Geng, Xiaojun
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- Tang, Jing
- Zhang, Xuan
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- Xu, Zongxue
- Hao, Fanghua
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