气候变化领域集成服务门户(CCPortal): Pacific shoreline erosion and accretion patterns controlled by El Nino/Southern Oscillation

CCPortal

DOI	10.1038/s41561-022-01117-8
	Pacific shoreline erosion and accretion patterns controlled by El Nino/Southern Oscillation
	Vos, Kilian; Harley, Mitchell D. D.; Turner, Ian L. L.; Splinter, Kristen D. D.
发表日期	2023
ISSN	1752-0894
EISSN	1752-0908
起始页码	140
结束页码	+
卷号	16 期号:2 页码:10
英文摘要	The El Nino/Southern Oscillation drives coherent patterns of beach erosion and accretion around the Pacific Rim, according to analysis of satellite imagery covering over 8,300 km of sandy coastline. In the Pacific Basin, the El Nino/Southern Oscillation (ENSO) is the dominant mode of interannual climate variability, driving substantial changes in oceanographic forcing and impacting Pacific coastlines. Yet, how sandy coasts respond to these basin-scale changes has to date been limited to a few long-term beach monitoring sites, predominantly on developed coasts. Here we use 38 years of Landsat imagery to map shoreline variability around the Pacific Rim and identify coherent patterns of beach erosion and accretion controlled by ENSO. On the basis of more than 83,000 beach transects covering 8,300 km of sandy coastline, we find that approximately one-third of all transects experience significant erosion during El Nino phases. The Eastern Pacific is particularly vulnerable to widespread erosion, most notably during the large 1997/1998 El Nino event. By contrast, La Nina events coincide with significant accretion for approximately one-quarter of all transects, although substantial erosion is observed in southeast Australia and other localized regions. The observed regional variability in the coastal response to ENSO has important implications for coastal planning and adaptation measures across the Pacific, particularly in light of projected future changes in ENSO amplitude and flavour.
学科领域	Geosciences, Multidisciplinary
语种	英语
WOS研究方向	Geology
WOS记录号	WOS:000931460700007
来源期刊	NATURE GEOSCIENCE
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/272524
作者单位	University of New South Wales Sydney
推荐引用方式 GB/T 7714	Vos, Kilian,Harley, Mitchell D. D.,Turner, Ian L. L.,et al. Pacific shoreline erosion and accretion patterns controlled by El Nino/Southern Oscillation[J],2023,16(2):10.
APA	Vos, Kilian,Harley, Mitchell D. D.,Turner, Ian L. L.,&Splinter, Kristen D. D..(2023).Pacific shoreline erosion and accretion patterns controlled by El Nino/Southern Oscillation.NATURE GEOSCIENCE,16(2),10.
MLA	Vos, Kilian,et al."Pacific shoreline erosion and accretion patterns controlled by El Nino/Southern Oscillation".NATURE GEOSCIENCE 16.2(2023):10.