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DOI10.1029/2018WR024519
Identification of Source-Water Oxygen Isotopes in Trees Toolkit (ISO-Tool) for Deciphering Historical Water Use by Forest Trees
Sargeant, Christopher, I1,2; Singer, Michael Bliss3,4,5; Vallet-Coulomb, Christine6
2019-12-20
发表期刊WATER RESOURCES RESEARCH
ISSN0043-1397
EISSN1944-7973
出版年2019
卷号55期号:12页码:10954-10975
文章类型Article
语种英语
国家Switzerland; Scotland; Wales; USA; France
英文摘要

Hydrological regimes are being perturbed under climate change due to the regional expression of the water cycle across the globe, leading to alterations in the spatial and temporal distribution of water near the Earth's surface. Water is a critical resource for plant ecosystems, and hydrological limitations on vegetative health are particularly complex. To anticipate how subsurface water availability may evolve in the future and affect the dynamics of plant water source usage, as well as the health and functioning of vegetation in various biomes, we need a robust, quantitative framework for linking water availability to past plant water use, which is constrained by historical data. Here, we outline the Identification of Source-water Oxygen isotopes in trees Toolkit (ISO-Tool), designed to retrospectively investigate the dynamics of tree water uptake. ISO-Tool utilizes tree-ring isotopes (delta O-18) combined with a biomechanistic fractionation model to retrodict the delta O-18 of water utilized during any period of growth. Through comparisons with measured delta O-18 in local water sources, climatic, and hydrological variables, ISO-Tool can reconstruct and inform on past ecohydrological interactions. We provide an overview of the modeling components and data requirements necessary to constrain the retrodictions of source-water delta O-18. We demonstrate the utility and efficacy of ISO-Tool for three riparian field sites characterized by differences in climatic, geomorphic, and hydrologic complexity. We also state that ISO-Tool can be applied to a range of vegetated environments where distinct isotopic endmembers exist. We present a set of tool groups, which can be applied adaptively, ensuring that scientific progress in understanding retrospective ecohydrology can be made, even under varying degrees of data availability.


领域资源环境
收录类别SCI-E
WOS记录号WOS:000503751800001
WOS关键词BOUNDARY-LAYER CONDUCTANCE ; SOIL-WATER ; STABLE-ISOTOPES ; CLIMATE-CHANGE ; LEAF WATER ; HYDRAULIC REDISTRIBUTION ; SEASONAL-VARIATION ; RING CELLULOSE ; PLANT WATER ; STOMATAL CONDUCTANCE
WOS类目Environmental Sciences ; Limnology ; Water Resources
WOS研究方向Environmental Sciences & Ecology ; Marine & Freshwater Biology ; Water Resources
引用统计
文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/223991
专题资源环境科学
作者单位1.Swiss Fed Inst Forest Snow & Landscape Res WSL, Birmensdorf, Switzerland;
2.Univ St Andrews, Sch Earth & Environm Sci, St Andrews, Fife, Scotland;
3.Cardiff Univ, Sch Earth & Ocean Sci, Cardiff, S Glam, Wales;
4.Cardiff Univ, Water Res Inst, Cardiff, S Glam, Wales;
5.Univ Calif Santa Barbara, Earth Res Inst, Santa Barbara, CA 93106 USA;
6.Aix Marseille Univ, CDF, CNRS, IRD,CEREGE UM 34, Aix En Provence, France
推荐引用方式
GB/T 7714
Sargeant, Christopher, I,Singer, Michael Bliss,Vallet-Coulomb, Christine. Identification of Source-Water Oxygen Isotopes in Trees Toolkit (ISO-Tool) for Deciphering Historical Water Use by Forest Trees[J]. WATER RESOURCES RESEARCH,2019,55(12):10954-10975.
APA Sargeant, Christopher, I,Singer, Michael Bliss,&Vallet-Coulomb, Christine.(2019).Identification of Source-Water Oxygen Isotopes in Trees Toolkit (ISO-Tool) for Deciphering Historical Water Use by Forest Trees.WATER RESOURCES RESEARCH,55(12),10954-10975.
MLA Sargeant, Christopher, I,et al."Identification of Source-Water Oxygen Isotopes in Trees Toolkit (ISO-Tool) for Deciphering Historical Water Use by Forest Trees".WATER RESOURCES RESEARCH 55.12(2019):10954-10975.
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