Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1002/2017WR020683 |
Lags in hydrologic recovery following an extreme drought: Assessing the roles of climate and catchment characteristics | |
Yang, Yuting1; McVicar, Tim R.1,2; Donohue, Randall J.1,2; Zhang, Yongqiang1; Roderick, Michael L.2,3,4; Chiew, Francis H. S.1; Zhang, Lu1; Zhang, Junlong1 | |
2017-06-01 | |
发表期刊 | WATER RESOURCES RESEARCH |
ISSN | 0043-1397 |
EISSN | 1944-7973 |
出版年 | 2017 |
卷号 | 53期号:6 |
文章类型 | Article |
语种 | 英语 |
国家 | Australia |
英文摘要 | Drought, generally characterized by below-average water supply, propagates through the hydrologic system with consequent ecological and societal impacts. Compared with other drought aspects, the recovery of drought especially in the hydrological components, which directly relates to the recovery of water resources for agricultural, ecological and human needs, is less-understood. Here, taking the Millennium drought in southeast Australia (similar to 1997-2009) as an illustrating case, we comprehensively examined multiple aspects of the meteorological (i.e., precipitation) and hydrological (i.e., streamflow and base flow) droughts across 130 unimpaired catchments using long-term hydro-meteorological observations. Results show that the duration and intensity of the meteorological drought are both lengthened and amplified in the hydrological drought, suggesting a nonstationarity in the rainfall-runoff relationship during a prolonged drought. Additionally, we find a time lag commonly exists between the end of the meteorological droughts and the end of the hydrological drought, with the recovery of base flow showing a longer lag than the recovery of streamflow. The recovery rate of precipitation after drought was found to be the dominant factor that controls the recovery of hydrological droughts while catchment landscape (i.e., valley bottom flatness) plays an important but secondary role in controlling the lags in the hydrological recovery. Other hydro-climatic factors and catchment properties appear to have only minor influences governing hydrological drought recovery. Our findings highlight a delayed response in the terrestrial components of the hydrological cycle to precipitation after prolonged drought, and provide valuable scientific guidance to water resources management and water security assessment in regions facing future droughts. |
领域 | 资源环境 |
收录类别 | SCI-E |
WOS记录号 | WOS:000405997000019 |
WOS关键词 | MILLENNIUM DROUGHT ; AUSTRALIAN PERSPECTIVE ; BASEFLOW SEPARATION ; SOUTHEAST AUSTRALIA ; CALIFORNIA DROUGHT ; MULTIYEAR DROUGHT ; WATER ; VEGETATION ; RUNOFF ; ECOSYSTEMS |
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/20852 |
专题 | 资源环境科学 |
作者单位 | 1.CSIRO Land & Water, Canberra, ACT, Australia; 2.Australian Res Council, Ctr Excellence Climate Syst Sci, Sydney, NSW, Australia; 3.Australian Natl Univ, Res Sch Biol, Canberra, ACT, Australia; 4.Australian Natl Univ, Res Sch Earth Sci, Canberra, ACT, Australia |
推荐引用方式 GB/T 7714 | Yang, Yuting,McVicar, Tim R.,Donohue, Randall J.,et al. Lags in hydrologic recovery following an extreme drought: Assessing the roles of climate and catchment characteristics[J]. WATER RESOURCES RESEARCH,2017,53(6). |
APA | Yang, Yuting.,McVicar, Tim R..,Donohue, Randall J..,Zhang, Yongqiang.,Roderick, Michael L..,...&Zhang, Junlong.(2017).Lags in hydrologic recovery following an extreme drought: Assessing the roles of climate and catchment characteristics.WATER RESOURCES RESEARCH,53(6). |
MLA | Yang, Yuting,et al."Lags in hydrologic recovery following an extreme drought: Assessing the roles of climate and catchment characteristics".WATER RESOURCES RESEARCH 53.6(2017). |
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