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DOI	10.1002/jqs.3435
	Insight into summer drought in southern Italy: palaeohydrological evolution of Lake Pergusa (Sicily) in the last 6700 years
	Giovanni, Zanchetta; Ilaria, Baneschi; Michel, Magny; Laura, Sadori; Rosa, Termine; Monica, Bini; Boris, Vannier; Marc, Desmet; Stefano, Natali; Marco, Luppichini; Francesca, Pasquetti
通讯作者	Giovanni, Z
来源期刊	JOURNAL OF QUATERNARY SCIENCE
ISSN	0267-8179
EISSN	1099-1417
出版年	2022
卷号	37 期号:7 页码:1280-1293
英文摘要	The Sicily region (central Mediterranean) is at high risk of drying and desertification caused by current warming and land management. The aim of this study is to place current climatic changes within the past trajectories and natural climatic variability of the Holocene. For this we re-examine a sediment core retrieved at Lake Pergusa covering the last ca. 6700 years. A multiproxy investigation, and in particular the oxygen isotope composition of lacustrine carbonate (delta O-18(c)), allowed us to reconstruct decadal- to centennial-scale hydrological changes. The wettest period occurred between ca. 6700 and 6000 cal a bp. The delta O-18(c) record indicates a new period of wetter conditions between ca. 3700 and 2400 cal a bp. In particular, a delta O-18(c) minimum between 2850 and 2450 cal a bp overlaps with the period of the 'Great Solar Minimum' and corresponds to a dramatic reduction of arboreal pollen (AP%) and to an increase in synanthropic pollen, marking the onset of Greek colonization in the region. The longest driest interval corresponds to the Medieval Climate Anomaly, whereas the highest delta O-18(c) values are recorded in the last 150 years. The trend of the last 3000 years suggests that, considering future climate projections, the area will experience unprecedented drying exacerbated by human impact.
英文关键词	Central Mediterranean Homeric minimum Little Ice Age Medieval Climate Anomaly palaeohydrology Sicily
类型	Article
语种	英语
开放获取类型	Green Published
收录类别	SCI-E
WOS记录号	WOS:000804672000001
WOS关键词	LAGO-DI-PERGUSA ; NORTH-ATLANTIC OSCILLATION ; STABLE-ISOTOPE DATA ; MEDITERRANEAN REGION ; CLIMATE-CHANGE ; LEVEL FLUCTUATIONS ; OXYGEN ISOTOPES ; ORGANIC-MATTER ; APUAN ALPS ; 637 KA
WOS类目	Geography, Physical ; Geosciences, Multidisciplinary
WOS研究方向	Physical Geography ; Geology
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/393578
推荐引用方式 GB/T 7714	Giovanni, Zanchetta,Ilaria, Baneschi,Michel, Magny,et al. Insight into summer drought in southern Italy: palaeohydrological evolution of Lake Pergusa (Sicily) in the last 6700 years[J],2022,37(7):1280-1293.
APA	Giovanni, Zanchetta.,Ilaria, Baneschi.,Michel, Magny.,Laura, Sadori.,Rosa, Termine.,...&Francesca, Pasquetti.(2022).Insight into summer drought in southern Italy: palaeohydrological evolution of Lake Pergusa (Sicily) in the last 6700 years.JOURNAL OF QUATERNARY SCIENCE,37(7),1280-1293.
MLA	Giovanni, Zanchetta,et al."Insight into summer drought in southern Italy: palaeohydrological evolution of Lake Pergusa (Sicily) in the last 6700 years".JOURNAL OF QUATERNARY SCIENCE 37.7(2022):1280-1293.