DOI: 10.1002/2014GL061668
论文题名: Climate controls how ecosystems size the root zone storage capacity at catchment scale
作者: Gao H. ; Hrachowitz M. ; Schymanski S.J. ; Fenicia F. ; Sriwongsitanon N. ; Savenije H.H.G.
刊名: Geophysical Research Letters
ISSN: 0094-9565
EISSN: 1944-9296
出版年: 2014
卷: 41, 期: 22 起始页码: 7916
结束页码: 7923
语种: 英语
英文关键词: catchment hydrology
; ecohydrology
; ecosystems
; hydroclimatology
; rooting depth
; storage capacity
Scopus关键词: Bridges
; Buffer storage
; Climate models
; Digital storage
; Ecology
; Ecosystems
; Hydrology
; Moisture
; Moisture control
; Reservoirs (water)
; Runoff
; Catchment hydrology
; Eco-hydrology
; Hydro climatologies
; Rooting depths
; Storage capacity
; Catchments
; catchment
; ecohydrology
; engineering
; rhizosphere
; seasonality
; terrestrial ecosystem
; transpiration
; vegetation structure
英文摘要: The root zone moisture storage capacity (SR ) of terrestrial ecosystems is a buffer providing vegetation continuous access to water and a critical factor controlling land-atmospheric moisture exchange, hydrological response, and biogeochemical processes. However, it is impossible to observe directly at catchment scale. Here, using data from 300 diverse catchments, it was tested that, treating the root zone as a reservoir, the mass curve technique (MCT), an engineering method for reservoir design, can be used to estimate catchment-scale SR from effective rainfall and plant transpiration. Supporting the initial hypothesis, it was found that MCT-derived SR coincided with model-derived estimates. These estimates of parameter SR can be used to constrain hydrological, climate, and land surface models. Further, the study provides evidence that ecosystems dynamically design their root systems to bridge droughts with return periods of 10-40 years, controlled by climate and linked to aridity index, inter-storm duration, seasonality, and runoff ratio. © 2014. American Geophysical Union. All Rights Reserved. URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84923321566&doi=10.1002%2f2014GL061668&partnerID=40&md5=fb267d56a1c842cc91a2c5a7ffb53062
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/6829
Appears in Collections: 气候减缓与适应
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作者单位: Delft University of Technology, Water Resources Section, Delft, Netherlands
Recommended Citation:
Gao H.,Hrachowitz M.,Schymanski S.J.,et al. Climate controls how ecosystems size the root zone storage capacity at catchment scale[J]. Geophysical Research Letters,2014-01-01,41(22).