Arid
DOI10.1016/j.ecolind.2017.12.054
Changeability of reliability, resilience and vulnerability indicators with respect to drought patterns
Hazbavi, Zeinab1; Baartman, Jantiene E. M.2; Nunes, Joao P.2,3; Keesstra, Saskia D.2; Sadeghi, Seyed Hamidreza1
通讯作者Sadeghi, Seyed Hamidreza
来源期刊ECOLOGICAL INDICATORS
ISSN1470-160X
EISSN1872-7034
出版年2018
卷号87页码:196-208
英文摘要

Climate-related extremes such as droughts have led to significant impacts on some watersheds. To assess watershed health and develop effective management plans, information about the function and structure of the watersheds in the context of their climatic response, especially to take into account rainfall anomalies and climate change adaptation, is needed. Integration of climatic variables with reliability, resilience and vulnerability (RRV) indicators, is a novel approach for generating this information. This study investigated the behavior of RRV indicators with respect to rainfall variability and drought patterns for three watersheds governed by different climates. Reliability was defined as the probability of a watershed to be in the range of satisfactory Standardized Precipitation Index (SPI) values. Resilience was indicated as the speed of recovery from an unsatisfactory condition. Vulnerability was defined as a function of the exposure of a watershed to climate change and variation using the SPI. The study areas were the Foyle Watershed in Northern Ireland (temperate oceanic, Cfb), the Xarrama Watershed in Portugal (Mediterranean hot summer, Csa) and the Shazand Watershed in Iran (moderate to cold semi-arid (Bsk). Based on the SPI pattern of each watershed, the SPI of -0.1 for the Foyle and Xarrama watersheds and +0.1 for the Shazand Watershed was selected as the drought threshold. The drought based RRV index was subsequently calculated from long-term (1981-2012) RRV indicators, resulting in means of 0.52 +/- 0.25, 0.53 +/- 0.21 and 0.30 +/- 0.18 for the three watersheds, respectively. These means reflect the status of the watersheds in terms of climatic conditions, which was moderate dry (0.41-0.60) for the Foyle and Xarrama watersheds and dry (0.21-0.40) for the Shazand Watershed. The temporal trend of the drought based RRV index was found to be non-significantly increasing (P-value > 0.52) for the Foyle and Xarrama watersheds and non-significantly decreasing for the Shazand Watershed (P-value > 0.48). The vulnerability indicator and drought based RRV index were significantly (p-value = 0.00) affected by the climatological gradient. The results of the conceptual framework linked to statistical trends can provide researchers, policy makers, and land managers a more comprehensive base to assess variability of watershed health and design drought management plans.


英文关键词Adaptive strategy Conceptual framework Environmental indicators Health assessment Watershed planning
类型Article
语种英语
国家Iran ; Netherlands ; Portugal
收录类别SCI-E
WOS记录号WOS:000430761100022
WOS关键词WATER-RESOURCES ; SPATIOTEMPORAL VARIATION ; MAINLAND PORTUGAL ; CLIMATE-CHANGE ; BRITISH-ISLES ; PRECIPITATION ; TRENDS ; VARIABILITY ; WEATHER ; SYSTEM
WOS类目Biodiversity Conservation ; Environmental Sciences
WOS研究方向Biodiversity & Conservation ; Environmental Sciences & Ecology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/208719
作者单位1.Tarbiat Modares Univ, Fac Nat Resource, Dept Watershed Management Engn, Tehran, Iran;
2.Wageningen Univ & Res, Soil Phys & Land Management Grp, Wageningen, Netherlands;
3.Univ Lisbon, Fac Ciencias, CE3C, Lisbon, Portugal
推荐引用方式
GB/T 7714
Hazbavi, Zeinab,Baartman, Jantiene E. M.,Nunes, Joao P.,et al. Changeability of reliability, resilience and vulnerability indicators with respect to drought patterns[J],2018,87:196-208.
APA Hazbavi, Zeinab,Baartman, Jantiene E. M.,Nunes, Joao P.,Keesstra, Saskia D.,&Sadeghi, Seyed Hamidreza.(2018).Changeability of reliability, resilience and vulnerability indicators with respect to drought patterns.ECOLOGICAL INDICATORS,87,196-208.
MLA Hazbavi, Zeinab,et al."Changeability of reliability, resilience and vulnerability indicators with respect to drought patterns".ECOLOGICAL INDICATORS 87(2018):196-208.
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