Anthropocene Coasts最新文献_第6页

Sedimentary records reveal two stages of evolution of the Abandoned Yellow River Delta from AD1128 to AD1855: vertical accretion and land-forming 沉积记录显示，从公元1128年到公元1855年，黄河三角洲经历了垂直增生和造陆两个阶段的演化

Anthropocene Coasts Pub Date : 2023-05-22 DOI: 10.1007/s44218-023-00023-9

Chengfeng Xue, Yang Yang, Chaoran Xu, Mengyao Wang, J. Gao, Xibin Han, J. Jia

引用次数: 0

Enhancing the Anthropocene coastal infrastructure sustainability using the approaches developed by the London Convention and Protocol 利用《伦敦公约》和《议定书》制定的方法加强人类世沿海基础设施的可持续性

Anthropocene Coasts Pub Date : 2023-05-09 DOI: 10.1007/s44218-023-00022-w

GiHoon Hong, C. Vivian, C. Vogt, F. Haag, F. Zuo, Kai Qin

引用次数: 0

Enhancing the Anthropocene coastal infrastructure sustainability using the approaches developed by the London Convention and Protocol 利用《伦敦公约》和《议定书》制定的方法加强人类世沿海基础设施的可持续性

Anthropocene Coasts Pub Date : 2023-05-09 DOI: 10.1007/s44218-023-00022-w

GiHoon Hong, Christopher Vivian, Craig Vogt, Fredrik Haag, Fang Zuo, Kai Qin

{"title":"Enhancing the Anthropocene coastal infrastructure sustainability using the approaches developed by the London Convention and Protocol","authors":"GiHoon Hong, Christopher Vivian, Craig Vogt, Fredrik Haag, Fang Zuo, Kai Qin","doi":"10.1007/s44218-023-00022-w","DOIUrl":"10.1007/s44218-023-00022-w","url":null,"abstract":"<div><p>The water’s edge is a critically important and efficient location to trade with other partners by connecting inland water channels and sea lanes and to obtain food provisions from the biologically diverse and productive sea. Human civilization has built around the ports and harbors by constructing fixed structures to support waterborne transport and enhance or sustain city functions for millennia. These artificially fixed structures are not in natural equilibrium with the environment (water and sediment). Access channels and the sea bottom adjacent to piers are often dredged to accommodate larger ships. Bottom sediment dredging is a part of port management. Where to place the dredged material is of primary concern for port authorities because of its sheer volume and the potential to be chemically contaminated. The London Convention and the London Protocol (LC/LP) are international treaties that provide a process in preventing pollution from dumping of contaminated material at sea, and finding sound alternatives such as confined disposal facilities, and using clean dredged material in wetland creation or beach nourishment, based on the precautionary approach. The Anthropocene (Anthropocene refers to the most recent period in Earth’s history when human activity started to impact significantly on the climate and ecosystems.) coast of ports, harbors, wetlands, shorelines, and beaches of the coastal megacities faces tremendous challenges in managing navigational and shoreline infrastructure in view of sea level rise and climate change. Dredged sediments are a resource and are a key to protection of shorelines. The benefits of being members of the LC/LP treaties are that there is a wealth of various national experiences on sediment management available via the network of LC/LP national experts and in the records of the LC/LP’s Meetings of Contracting Parties.</p></div>","PeriodicalId":100098,"journal":{"name":"Anthropocene Coasts","volume":"6 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-05-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71909794","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Erosion and accretion patterns on intertidal mudflats of the Yangtze River Estuary in response to storm conditions 长江口潮间带滩涂在风暴条件下的侵蚀和增生模式

Anthropocene Coasts Pub Date : 2023-03-23 DOI: 10.1007/s44218-023-00020-y

Xiaoyu Liu, Fei Xing, B. Shi, Guoxiang Wu, J. Ge, Biaobiao Peng, Mingliang Li, Y. Wang

引用次数: 0

Erosion and accretion patterns on intertidal mudflats of the Yangtze River Estuary in response to storm conditions 长江口潮间带泥滩在风暴条件下的冲淤规律

Anthropocene Coasts Pub Date : 2023-03-23 DOI: 10.1007/s44218-023-00020-y

Xiaoyu Liu, Fei Xing, Benwei Shi, Guoxiang Wu, Jianzhong Ge, Biaobiao Peng, Mingliang Li, Ya Ping Wang

{"title":"Erosion and accretion patterns on intertidal mudflats of the Yangtze River Estuary in response to storm conditions","authors":"Xiaoyu Liu, Fei Xing, Benwei Shi, Guoxiang Wu, Jianzhong Ge, Biaobiao Peng, Mingliang Li, Ya Ping Wang","doi":"10.1007/s44218-023-00020-y","DOIUrl":"10.1007/s44218-023-00020-y","url":null,"abstract":"<div><p>Understanding of erosion and accretion patterns over intertidal mudflats during storm periods is vital for the management and sustainable development of coastal areas. This study aimed to investigate the effect of the 2014 storm Fung-wong on the erosion and accretion patterns of the Nanhui intertidal mudflats in the Yangtze estuary, China, based on field measurements and Delft3D numerical modeling. Results show that prolonged easterly winds during the storm enhance the flood velocity, weaken the ebb velocity, and even change the current direction. The current velocity, wave heights, and bed-level changes increased by 1–1.43 times, 2.40–3.88 times, and 2.28–2.70 times than those of normal weather, respectively. The mudflats show a spatial pattern of overall erosion but increasing erosion magnitude from the high (landward) mudflat to the low (seaward) mudflat during the storm. The magnitude of bed-level change increases with increasing wind speed, but the spatial pattern of erosion and accretion remains the same. The main reason for this pattern is the longer submersion duration of the low mudflat compared with the high mudflat, so the hydrodynamic process is longer and stronger, leading to an enhancement in bed shear stress and sediment transport rate. Wind speed increases the hydrodynamic intensity but does not affect on the submersion duration over each part of the intertidal mudflat. This study is helpful to improve the understanding of physical processes during storms on intertidal mudflats and provides a reference for their protection, utilization, and management, as well as for research in related disciplines.</p></div>","PeriodicalId":100098,"journal":{"name":"Anthropocene Coasts","volume":"6 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-03-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71910002","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Summer hypoxia in Bohai Sea caused by changes in phytoplankton community 浮游植物群落变化引起的渤海夏季缺氧

Anthropocene Coasts Pub Date : 2023-03-20 DOI: 10.1139/anc-2020-0017

Hao Wei, Liang Zhao, Haiyan Zhang, Youyu Lu, Wei Yang, Guisheng Song

{"title":"Summer hypoxia in Bohai Sea caused by changes in phytoplankton community","authors":"Hao Wei, Liang Zhao, Haiyan Zhang, Youyu Lu, Wei Yang, Guisheng Song","doi":"10.1139/anc-2020-0017","DOIUrl":"10.1139/anc-2020-0017","url":null,"abstract":"<div><p>In the deep central part of the Bohai Sea off the coast of northern China, long-term observations show significantly lower dissolved oxygen (DO) concentration near the bottom in summer during 2006–2018 than during 1978–2005. The decrease in bottom DO is closely linked to changes in phytoplankton community driven by nutrient structure changes in the water column. From literature review, observations in the phytoplankton community structure indicate an increase in the abundant proportion of dinoflagellate to diatom and miniaturization since the 21st century. The new dominate species of dinoflagel-late and the pico- and nano-celled algae detritus, with slow sinking rate and long residence time, favor the efficient oxygen consumption in the water column and lead to oxygen depletion enhancement and DO concentration decrease after 2006. Analyses also suggest that water temperature, stratification, and resuspension of sediment play less significant roles in long-term variations of DO. The linkage of hypoxia formation to changes of phytoplankton community answers why hypoxia in the Bohai Sea started to occur in the recent decade while eutrophication began since the 1980s. The identified new mechanism of hypoxia formation may be applicable to other coastal seas where eutrophication has led to changes in the phytoplankton community, and should be considered in biogeochemical models.</p></div>","PeriodicalId":100098,"journal":{"name":"Anthropocene Coasts","volume":"4 1","pages":"77 - 86"},"PeriodicalIF":0.0,"publicationDate":"2023-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71910100","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 8

Swell wave progression in the English Channel: implications for coastal monitoring 英吉利海峡涌浪的发展：对海岸监测的启示

Anthropocene Coasts Pub Date : 2023-03-20 DOI: 10.1139/anc-2021-0008

Thomas Dhoop, Charlie Thompson

{"title":"Swell wave progression in the English Channel: implications for coastal monitoring","authors":"Thomas Dhoop, Charlie Thompson","doi":"10.1139/anc-2021-0008","DOIUrl":"10.1139/anc-2021-0008","url":null,"abstract":"<div><p>Energetic swell waves, particularly when they coincide with high water levels, can present significant coastal hazards. To better understand and predict these risks, analysis of the sea levels and waves that generate these events and the resulting coastal impacts is essential. Two energetic swell events, neither of which were predicted by modelled flood forecasts, occurred in quick succession in the English Channel. The first event, on 30 January 2021, produced moderate significant wave heights at or just below the 0.25 year return period along the southwest English coast, but combined with significant swell caused overtopping at East Beach in West Bay and at Chesil Beach. The second event, on 1 February 2021, generated the highest wave energy periods measured at many locations along the southern English coastline and, at high water, caused waves to run up over the promenades at Poole Bay and Christchurch Bay and caused overtopping at Hayling Island. Both events are described in detail, and their spatial footprints are mapped through a joint return period analysis using a copula function. It is found that typical joint return period analysis of water level and significant wave height underestimates potential impacts, while a joint consideration of water level and wave power (<i>P</i>) describes the 31 January event better and a joint consideration of water level and energy period (<i>T</i><sub>e</sub>) best describes the 1 February event. Therefore, it is recommended that <i>T</i><sub>e</sub> and P are adopted for coastal monitoring purposes, and that future studies further explore the use of both parameters for swell monitoring.</p></div>","PeriodicalId":100098,"journal":{"name":"Anthropocene Coasts","volume":"4 1","pages":"281 - 305"},"PeriodicalIF":0.0,"publicationDate":"2023-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71910198","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Climate change and human influences on sediment fluxes and the sediment budget of an urban delta: the example of the lower Rhine—Meuse delta distributary network 气候变化和人类对城市三角洲沉积物通量和沉积物收支的影响：以莱茵河下游——默兹三角洲分流网络为例

Anthropocene Coasts Pub Date : 2023-03-20 DOI: 10.1139/anc-2021-0003

J. R. Cox, F. E. Dunn, J. H. Nienhuis, M. van der Perk, M. G. Kleinhans

{"title":"Climate change and human influences on sediment fluxes and the sediment budget of an urban delta: the example of the lower Rhine—Meuse delta distributary network","authors":"J. R. Cox, F. E. Dunn, J. H. Nienhuis, M. van der Perk, M. G. Kleinhans","doi":"10.1139/anc-2021-0003","DOIUrl":"10.1139/anc-2021-0003","url":null,"abstract":"<div><p>Deltas require sufficient sediment to maintain their land area and elevation in the face of relative sea-level rise. Understanding sediment budgets can help in managing and assessing delta resilience under future conditions. Here, we make a sediment budget for the distributary channel network of the Rhine—Meuse delta (RMD), the Netherlands, home to the Port of Rotterdam. We predict the future budget and distribution of suspended sediment to indicate the possible future state of the delta in 2050 and 2085. The influence of climate and anthropogenic effects on the fluvial and coastal boundaries was calculated for climate change scenarios, and the effects of future dredging on the budget were related to port development and accommodation of larger ships in inland ports. Suspended sediment rating curves and a 1D flow model were used to estimate the distribution of suspended sediment and projected erosion and sedimentation trends for branches. We forecast a negative sediment budget (net annual loss of sediment) for the delta as a whole, varying from −8 to −16 Mt/year in 2050 and −11 to −25 Mt/year by 2085, depending on the climate scenario and accumulated error. This sediment is unfavourably distributed: most will accrete in the northern part of the system and must consequently be removed by dredging for navigation. Meanwhile, vulnerable intertidal ecosystems will receive insufficient sediment to keep up with sea-level rise, and some channels will erode, endangering bank protection. Despite increased coastal import of sediment by estuarine processes and increased river sediment supply, extensive dredging for port development will cause a sediment deficit in the future.</p></div>","PeriodicalId":100098,"journal":{"name":"Anthropocene Coasts","volume":"4 1","pages":"251 - 280"},"PeriodicalIF":0.0,"publicationDate":"2023-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71910200","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 8

Engineered coastal berm-dune renourishment in New Jersey: can coastal communities continue to hold the line? 新泽西州设计的海岸护堤沙丘再利用：海岸社区能继续坚守阵地吗？

Anthropocene Coasts Pub Date : 2023-03-20 DOI: 10.1139/anc-2020-0024

Jesse Kolodin, Jorge Lorenzo-Trueba, Porter Hoagland, Di Jin, Andrew Ashton

{"title":"Engineered coastal berm-dune renourishment in New Jersey: can coastal communities continue to hold the line?","authors":"Jesse Kolodin, Jorge Lorenzo-Trueba, Porter Hoagland, Di Jin, Andrew Ashton","doi":"10.1139/anc-2020-0024","DOIUrl":"10.1139/anc-2020-0024","url":null,"abstract":"<div><p>Following the significant coastal changes caused by Hurricane Sandy in 2012, engineered berm-dunes were constructed along the New Jersey coastline to enhance protection from future storms. Following construction, property values on Long Beach Island, NJ, increased in three beachfront communities. The projects were financed entirely through federal disaster assistance, but the percentage of future maintenance costs must be covered by local communities. Whether communities are willing or capable of financially contributing to maintenance remains unclear because (<i>i</i>) some homeowners prefer ocean views over the protection afforded by the berm-dune structures, and (<i>ii</i>) stakeholder risk perceptions can change over time. To investigate the relationships between berm-dune geometries, values of coastal protection, and ocean view values, we developed a geoeconomic model of the natural and anthropogenic processes that shape beach and dune morphology. The model results suggest that coastal communities may exhibit significant differences in their capabilities to maintain engineered dunes depending on stakeholder wealth and risk perception. In particular, communities with strong preferences for ocean views are less likely to maintain large-scale berm-dune structures over the long term. If these structures are abandoned, the vulnerability of the coast to future storms will increase.</p></div>","PeriodicalId":100098,"journal":{"name":"Anthropocene Coasts","volume":"4 1","pages":"193 - 209"},"PeriodicalIF":0.0,"publicationDate":"2023-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71910201","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Local perceptions of spatial management indicate challenges and opportunities for effective zoning of sustainable-use protected areas in Brazil 当地对空间管理的看法表明，巴西可持续利用保护区的有效分区面临挑战和机遇

Anthropocene Coasts Pub Date : 2023-03-20 DOI: 10.1139/anc-2020-0008

Rebecca Borges, Annette Breckwoldt, Roberta Sá Leitão Barboza, Marion Glaser

{"title":"Local perceptions of spatial management indicate challenges and opportunities for effective zoning of sustainable-use protected areas in Brazil","authors":"Rebecca Borges, Annette Breckwoldt, Roberta Sá Leitão Barboza, Marion Glaser","doi":"10.1139/anc-2020-0008","DOIUrl":"10.1139/anc-2020-0008","url":null,"abstract":"<div><p>Protected areas (PAs) are widely applied conservation instruments. Often, they are also expected to help secure livelihoods of poor subsistence, small-scale producers, making the management of PAs often dependent on community support. The usefulness of analyzing the perceptions of PAs among local users to improve the effectiveness of PA management is increasingly recognized; however, there are few studies on spatial perceptions, for example, how users perceive the PA’s geographical boundaries or its zoning, and how these can be used in PA zoning. Here, we analyze how local stakeholders perceive two sustainable-use PAs on the Amazon coast, the changes they have brought about, and their current management. We identify and link the mental models of different user groups to formal conceptualizations of the PAs in legal instruments and identify mismatches related to what the PA means to local stakeholders and where it is located, which need to be considered when building a zoning plan. Because of the frequent research in our study area, we also discuss possible research fatigue in this region. We highlight the challenges and opportunities related to promoting spatial literacy and awareness-raising regarding PAs. We recommend adapting legal instruments to include diverse territorial representations and alternative management tools.</p></div>","PeriodicalId":100098,"journal":{"name":"Anthropocene Coasts","volume":"4 1","pages":"210 - 232"},"PeriodicalIF":0.0,"publicationDate":"2023-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71910202","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0