Ocean and Coastal Research最新文献

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Cotton buds: The new villain of the marine litter story in the coastal lagoon 棉花芽:沿海泻湖海洋垃圾故事的新反派
4区 地球科学
Ocean and Coastal Research Pub Date : 2023-01-01 DOI: 10.1590/2675-2824071.22119ca
Ceyhun Akarsu
{"title":"Cotton buds: The new villain of the marine litter story in the coastal lagoon","authors":"Ceyhun Akarsu","doi":"10.1590/2675-2824071.22119ca","DOIUrl":"https://doi.org/10.1590/2675-2824071.22119ca","url":null,"abstract":"Plastic bags, bottles, packing tapes, and fishing lines are at the forefront of the discussion on plastic pollution in the oceans. However, scientific interest on the role of cotton buds in such context is rapidly increasing, as these objects continue to be widely used and discarded improperly. Therefore, this study aimed to determine the abundance and fate of cotton buds as a case study in the Küçükçekmece Lagoon. At two sampling stations, the pebbly beach and the rocky beach, a total of 854 cotton buds were found over the course of six months with an average value of 71.16 litters m-2 per month. The similarity of months of occurrence in summer and autumn was statistically significant. However, in November and December, when meteorological conditions were more severe, significant similarity was observed. Furthermore, the results of the potential environmental hazard, risk assessment, and carbonyl index were used to provide answers to the main problems of cotton bud pollution. Consequently, the hazard level was classified as either III or IV and the risk level was determined unfriendly. In total, 44.5% of the samples had a high level of oxidation. EDX analysis also confirmed that the biofilm influenced the accumulation of metals on the plastic surface. Overall, the results have addressed the issues that should be considered in improving the management strategies for plastics, which can be implemented to reduce the environmental impact of plastics and achieved the main objective of raising awareness on the accumulation of plastic waste generated by anthropogenic activities in coastal areas.","PeriodicalId":19418,"journal":{"name":"Ocean and Coastal Research","volume":"57 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135610274","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Sedimentary organic matter accumulation provinces in the Santos Basin, SW Atlantic: insights from multiple bulk proxies 西南大西洋桑托斯盆地沉积有机质聚集区:来自多个大块代理的见解
IF 0.8 4区 地球科学
Ocean and Coastal Research Pub Date : 2023-01-01 DOI: 10.1590/2675-2824071.22061rsc
R. Carreira, Letícia Lazzari, M. Ceccopieri, L. Rozo, D. Martins, G. Fonseca, D. C. Vieira, C. Massone
{"title":"Sedimentary organic matter accumulation provinces in the Santos Basin, SW Atlantic: insights from multiple bulk proxies","authors":"R. Carreira, Letícia Lazzari, M. Ceccopieri, L. Rozo, D. Martins, G. Fonseca, D. C. Vieira, C. Massone","doi":"10.1590/2675-2824071.22061rsc","DOIUrl":"https://doi.org/10.1590/2675-2824071.22061rsc","url":null,"abstract":"","PeriodicalId":19418,"journal":{"name":"Ocean and Coastal Research","volume":"1 1","pages":""},"PeriodicalIF":0.8,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67144170","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Hydrographic structure of the continental shelf in Santos Basin and its causes: The SANAGU and SANSED campaigns (2019) 桑托斯盆地大陆架水文结构及其成因:SANAGU和SANSED运动(2019)
IF 0.8 4区 地球科学
Ocean and Coastal Research Pub Date : 2023-01-01 DOI: 10.1590/2675-2824071.22062md
M. Dottori, D. Sasaki, Da Silva, S. R. Del-Giovannino, Andressa P. Pinto, Magnim Gnamah, A. D. Santos, Ilson C. A. da Silveira, Wellington C. Belo, R. Martins, Daniel L. Moreira
{"title":"Hydrographic structure of the continental shelf in Santos Basin and its causes: The SANAGU and SANSED campaigns (2019)","authors":"M. Dottori, D. Sasaki, Da Silva, S. R. Del-Giovannino, Andressa P. Pinto, Magnim Gnamah, A. D. Santos, Ilson C. A. da Silveira, Wellington C. Belo, R. Martins, Daniel L. Moreira","doi":"10.1590/2675-2824071.22062md","DOIUrl":"https://doi.org/10.1590/2675-2824071.22062md","url":null,"abstract":"","PeriodicalId":19418,"journal":{"name":"Ocean and Coastal Research","volume":"1 1","pages":""},"PeriodicalIF":0.8,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67144228","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
New data on abundance of lemon shark Negaprion brevirostris (Poey, 1868) at Lama Bay, Rocas Atoll, Brazil 巴西罗卡斯环礁喇嘛湾柠檬鲨neaprion brevirostris (Poey, 1868)丰度的新资料
4区 地球科学
Ocean and Coastal Research Pub Date : 2023-01-01 DOI: 10.1590/2675-2824071.22089altc
Ana Laura Tribst Corrêa, Dráusio Pinheiro Véras, June Ferraz Dias
{"title":"New data on abundance of lemon shark Negaprion brevirostris (Poey, 1868) at Lama Bay, Rocas Atoll, Brazil","authors":"Ana Laura Tribst Corrêa, Dráusio Pinheiro Véras, June Ferraz Dias","doi":"10.1590/2675-2824071.22089altc","DOIUrl":"https://doi.org/10.1590/2675-2824071.22089altc","url":null,"abstract":"The abundance and movement patterns of lemon sharks ( Negaprion brevirostris) at Lama Bay, Biological Reserve Rocas Atoll, were reassessed by visual census. We considered tides and daylight periods to plan our observations during two expeditions in 2015. Using daily visual counts, the mean abundance of individuals was 29 in austral summer (maximum 35) and 31 in winter (maximum 41). The results indicated that the local lemon shark population might have recovered after 18 years of a substantial drop in mean abundance. In addition, the movement pattern of the species corroborated previous studies related to their fidelity to the birthplace. These results justify the need of continuous monitoring of lemon sharks over the course of time at Rocas Atoll using non-lethal and non-invasive techniques.","PeriodicalId":19418,"journal":{"name":"Ocean and Coastal Research","volume":"85 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136305322","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Vertical structure and variability of currents on the southern Brazilian inner shelf at 32°S 32°S巴西南部内陆陆架的垂直结构和洋流变化
4区 地球科学
Ocean and Coastal Research Pub Date : 2023-01-01 DOI: 10.1590/2675-2824071.22054jgds
Julia Gil dos Santos, Carlos Alberto Eiras Garcia
{"title":"Vertical structure and variability of currents on the southern Brazilian inner shelf at 32°S","authors":"Julia Gil dos Santos, Carlos Alberto Eiras Garcia","doi":"10.1590/2675-2824071.22054jgds","DOIUrl":"https://doi.org/10.1590/2675-2824071.22054jgds","url":null,"abstract":"This study investigates the impact of winds, tides, and river discharges on the coastal current and salinity variability of Southern Brazil’s inner shelf. Data on wind speed, current, surface salinity, and temperature were collected for analysis from a metocean buoy of the Brazilian Coastal Monitoring System (SiMCosta). The observed current time series can be interpreted as a sum of highly variable flows correlated with local wind stress, and a residual mean current flowing southward along the coast at a few centimeters per second. Tidal currents were predominantly diurnal, albeit negligible, representing approximately 1.7% of the current variance in the region. We observed a prevalence of northwest winds and southeastward currents on the inner shelf, as well as an intermittent flow in both the alongshore and cross-shore directions due to meteorological frontal system passages. The power spectrum of both current components presented similar frequency patterns, indicating the prevalence of high-energy events in periods of 3 to 10 days over the entire time series. The alongshore current is highly correlated (r=0.73, p<0.05) with alongshore wind and a delay of 3 hours. In the low- (period >40 h) and high-frequency (period <40 h), the temporal lags were of 5 and 3 hours, respectively, with correlations of 0.79 (p<0.05) and 0.60 (p<0.05). The wavelet analysis has shown that high-energy events in alongshore wind stress are more common between August and October and less often between February and March, with similar surface currents and salinity patterns. A decrease in surface salinity during the winter season was observed due to the high level of Patos Lagoon’s outflow. Mean daily salinity correlated negatively with Patos Lagoon’s outflow, however part of this variability is associated with the intrusion of Patos Lagoon’s plume and the passage of frontal systems.","PeriodicalId":19418,"journal":{"name":"Ocean and Coastal Research","volume":"47 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135102348","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
An overview of seabirds in the Santos Basin, Brazil: species, threats, and current trends in studies 巴西桑托斯盆地海鸟概况:物种、威胁和当前研究趋势
IF 0.8 4区 地球科学
Ocean and Coastal Research Pub Date : 2023-01-01 DOI: 10.1590/2675-2824071.22068fclv
Fernanda C. L. Valls, P. L. Costa, D. R. Awabdi, L. Bugoni
{"title":"An overview of seabirds in the Santos Basin, Brazil: species, threats, and current trends in studies","authors":"Fernanda C. L. Valls, P. L. Costa, D. R. Awabdi, L. Bugoni","doi":"10.1590/2675-2824071.22068fclv","DOIUrl":"https://doi.org/10.1590/2675-2824071.22068fclv","url":null,"abstract":"","PeriodicalId":19418,"journal":{"name":"Ocean and Coastal Research","volume":"53 3 1","pages":""},"PeriodicalIF":0.8,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67144278","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Distribution of nutrients and chlorophyll across an equatorial reef region: Insights on coastal gradients 营养物质和叶绿素在赤道礁区的分布:对海岸梯度的见解
IF 0.8 4区 地球科学
Ocean and Coastal Research Pub Date : 2023-01-01 DOI: 10.1590/2675-2824071.22016hdsb
H. S. Barroso, Isabelle de Oliveira Lima, Antonia Diana Alves Bezerra, T. Garcia, T. C. Tavares, Ravena Santiago Alves, Edmilson Ferreira de Souza Junior, C. Teixeira, M. B. Viana, M. O. Soares
{"title":"Distribution of nutrients and chlorophyll across an equatorial reef region: Insights on coastal gradients","authors":"H. S. Barroso, Isabelle de Oliveira Lima, Antonia Diana Alves Bezerra, T. Garcia, T. C. Tavares, Ravena Santiago Alves, Edmilson Ferreira de Souza Junior, C. Teixeira, M. B. Viana, M. O. Soares","doi":"10.1590/2675-2824071.22016hdsb","DOIUrl":"https://doi.org/10.1590/2675-2824071.22016hdsb","url":null,"abstract":"","PeriodicalId":19418,"journal":{"name":"Ocean and Coastal Research","volume":"1 1","pages":""},"PeriodicalIF":0.8,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67143924","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Sea-air CO 2 fluxes along the Brazilian continental margin 沿巴西大陆边缘的海洋-空气二氧化碳通量
IF 0.8 4区 地球科学
Ocean and Coastal Research Pub Date : 2023-01-01 DOI: 10.1590/2675-2824071.22051hmdja
H. M. Affe, D. S. Rocha, F. R. Piedras, G. Moser, M.De.S.C. Araujo Filho, L. C. Cunha
{"title":"Sea-air CO 2 fluxes along the Brazilian continental margin","authors":"H. M. Affe, D. S. Rocha, F. R. Piedras, G. Moser, M.De.S.C. Araujo Filho, L. C. Cunha","doi":"10.1590/2675-2824071.22051hmdja","DOIUrl":"https://doi.org/10.1590/2675-2824071.22051hmdja","url":null,"abstract":"","PeriodicalId":19418,"journal":{"name":"Ocean and Coastal Research","volume":"1 1","pages":""},"PeriodicalIF":0.8,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67144103","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Meteorological and potential climatic influence on high cyanobacterial biomass within Patos Lagoon (southern Brazil): A case study of the summer of 2019–2020 气象和潜在气候对帕托斯泻湖(巴西南部)高蓝藻生物量的影响:2019-2020年夏季的案例研究
4区 地球科学
Ocean and Coastal Research Pub Date : 2023-01-01 DOI: 10.1590/2675-2824071.21099bfc
Beatriz Feltrin Caneve, Márcio Silva de Souza, Eliana Veleda Klering, Felipe de Lucia Lobo, Elisa Helena Leão Fernandes, João Sarkis Yunes
{"title":"Meteorological and potential climatic influence on high cyanobacterial biomass within Patos Lagoon (southern Brazil): A case study of the summer of 2019–2020","authors":"Beatriz Feltrin Caneve, Márcio Silva de Souza, Eliana Veleda Klering, Felipe de Lucia Lobo, Elisa Helena Leão Fernandes, João Sarkis Yunes","doi":"10.1590/2675-2824071.21099bfc","DOIUrl":"https://doi.org/10.1590/2675-2824071.21099bfc","url":null,"abstract":"Cyanobacterial blooms are a potential threat to human communities and ecosystems. Since the late 1980s, researchers have reported harmful cyanobacterial colonies in Patos Lagoon (PL), the largest coastal lagoon in South America. Most studies concerning harmful blooms in PL have focused on its biology and on its southernmost estuarine region, with little information about its displacement inside the lagoon and the influence of physical forces on its dynamics. This study uses satellite-derived information (normalized difference chlorophyll-a index – NDCI), river discharge data, and meteorological data (wind speed and direction, rainfall, and air temperature) to analyze two bloom episodes in PL, during the austral summer of 2019/2020, specifically in its larger, limnic portion. A 30-year meteorological time series was used to contrast the same summer period. Two remote sensing images from Sentinel-2 were taken of PL margins, near their central portion. The summer of 2019/2020 was drier when compared with the historical data, characterizing low river discharge. This environmental condition was coupled with high temperature, which implies thermal stratification in summer even at 2-m depth sites, which might have promoted cyanobacterial growth and accumulation inside PL. Moreover, weak winds (<<6 m s−1) seemed to accumulate cyanobacterial patches on the water surface, including after vertical mixing caused by strong winds (>6 m s−1). The NDCI values represented the two days of blooms, with higher values occurring under higher water temperatures and low wind speeds.","PeriodicalId":19418,"journal":{"name":"Ocean and Coastal Research","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135609489","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Deep-sea living (stained) benthic foraminifera from the continental slope and São Paulo Plateau, Santos Basin (SW Atlantic): ecological insights 来自大陆斜坡和<s:1>圣保罗高原,桑托斯盆地(西南大西洋)的深海底栖有孔虫:生态学见解
4区 地球科学
Ocean and Coastal Research Pub Date : 2023-01-01 DOI: 10.1590/2675-2824071.22080bda
Beatriz D. Araújo, Cintia Yamashita, Ana C. A. Santarosa, Amanda V. Rocha, Thaisa M. Vicente, Rafaela N. M. Mendes, Camila C. Passos, Maria Virginia Alves Martins, Silvia Helena M. Sousa
{"title":"Deep-sea living (stained) benthic foraminifera from the continental slope and São Paulo Plateau, Santos Basin (SW Atlantic): ecological insights","authors":"Beatriz D. Araújo, Cintia Yamashita, Ana C. A. Santarosa, Amanda V. Rocha, Thaisa M. Vicente, Rafaela N. M. Mendes, Camila C. Passos, Maria Virginia Alves Martins, Silvia Helena M. Sousa","doi":"10.1590/2675-2824071.22080bda","DOIUrl":"https://doi.org/10.1590/2675-2824071.22080bda","url":null,"abstract":"This study aimed to characterize the spatial distribution and composition of living Benthic Foraminifera (BF) and to comprehend how environmental conditions (e.g., organic matter) can affect communities of these protozoa in the northern and southern sectors of the Santos Basin (SB), in the continental slope and São Paulo Plateau. In this context, 23 stations (65 samples including replicates at each station) were collected between 400 and 2,400 m water depth. Multivariate analyses revealed that the ecological structure of the community changes mainly along the bathymetric gradients. Stations located between 400 and 700 m, both in northern and southern sectors, are characterized by the presence of indicator species of high intensity of currents, such as Globocassidulina subglobosa and Trifarina bradyi. These stations are also mainly marked by the occurrence of Epistominella exigua, a phytodetritivore species. The stations at 1,000 and 1,300 m depth, in both sectors, are characterized by high accumulation of organic matter in the sediments, which favors the development of agglutinated foraminifera species, such as those of the genus Reophax. Finally, the lower slope and the São Paulo Plateau, in both sectors, are oligotrophic regions, with pulses of labile organic carbon, probably low current velocities and the presence of Alabaminella weddellensis. The quantity and quality of food, which are closely related to hydro-sedimentary dynamics and bentho-pelagic coupling in the slope and São Paulo Plateau, are the main factors that influence the distribution of living BF assemblages in the SB.","PeriodicalId":19418,"journal":{"name":"Ocean and Coastal Research","volume":"142 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135658869","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
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