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Video-based Monitoring of an Artificial Beach Nourishment Project
Cao, Z.; Zhang, C.; Chi, S.; Zhuang, L., and Zheng, J., 2020. Video-based monitoring of an artificial beach nourishment project. In: Malvárez, G. and Navas, F. (eds.), Global Coastal Issues of 2020. Journal of Coastal Research, Special Issue No. 95, pp. 1037-1041. Coconut Creek (Florida), ISSN 0749-0208. This paper presents a case study on field observation of a new artificial beach nourishment project in Rizhao Coast, China. Using video-based monitoring technique combined with beach profile surveying, wave overtopping features prior to nourishment, shoreline change during the construction, and short-term post-fill morphological evolution of the artificial beach are observed and analyzed. Results show that wave overtopping characteristics and nourishing process can be quantified through video imagery analysis. Two-month post-fill profile and shoreline data reveal that little sand has been moved to the deep water and overall sand volume above -6 m elevation remained stable. The northern beach evolution was dominated by alongshore sediment transport and the eroded sands from central beach were mainly transported to the north, while the southern beach evolution was affected by both alongshore and cross-shore processes due to sheltering effect of the southern breakwater. Attention is recommended to be paid to the relationship between overwash-driven onshore sediment transport and berm/backshore evolution, as well as the future evolution of beach morphology close to the northern breakwater. The present study suggests that integrating the video-based and the conventional monitoring approaches can be helpful to capture and interpret in more details the physical processes involved in different phases of a beach nourishment project.
Journal Article
Not working : Latina immigrants, low-wage jobs, and the failure of welfare reform
Not Working chronicles the devastating effects of the 1996 welfare reform legislation that ended welfare as we know it. For those who now receive public assistance, “work” means pleading with supervisors for full-time hours, juggling ever-changing work schedules, and shuffling between dead-end jobs that leave one physically and psychically exhausted.
Through vivid story-telling and pointed analysis, Not Working profiles the day-to-day struggles of Mexican immigrant women in the Los Angeles area, showing the increased vulnerability they face in the welfare office and labor market. The new “work first” policies now enacted impose time limits and mandate work requirements for those receiving public assistance, yet fail to offer real job training or needed childcare options, ultimately causing many families to fall deeper below the poverty line.
Not Working shows that the new “welfare-to-work” regime has produced tremendous instability and insecurity for these women and their children. Moreover, the authors argue that the new politics of welfare enable greater infringements of rights and liberty for many of America's most vulnerable and constitute a crucial component of the broader assault on American citizenship. In short, the new welfare is not working.
eBook
Cocoa Beach
Burdened by a dark family secret, Virginia Fortescue flees her oppressive home in New York City for the battlefields of World War I France. Driving an ambulance for the Red Cross, she meets a charismatic British army surgeon whose persistent charm opens her heart to the possibility of love. As the war rages, Virginia falls into a passionate affair with the dashing Captain Simon Fitzwilliam, only to discover that his past has its own dark secrets--secrets that will damage their eventual marriage and propel her back across the Atlantic to the sister and father she'd left behind. Five years later, in the early days of Prohibition, the newly widowed Virginia Fitzwilliam arrives in the tropical boomtown of Cocoa Beach, Florida, to settle her husband's estate. Simon's brother and sister welcome her with open arms and introduce her to a dazzling new world of citrus groves, white beaches, bootleggers, and Prohibition agents. But Virginia senses a predatory presence lurking beneath the irresistible, hedonistic surface of this coastal oasis. The more she learns about Simon and his mysterious business interests, the more she fears that the dangers surrounding Simon now threaten her and their daughter's life as well.
Book
Wave Runup Prediction and Alongshore Variability on a Pocket Gravel Beach under Fetch-Limited Wave Conditions
Most empirical equations used for wave runup predictions have been developed from measurements at straight sandy beaches in unlimited fetch environments. While there are empirical equations to predict wave runup on gravel beaches, they have not been tested for prediction of wave runup on pocket gravel beaches, in limited-fetch environment, which can be found around Mediterranean. This paper addresses this lack of measurements on this type of beaches and examines the alongshore variability of wave runup. Wave runup measurements were made using video observations along 3 cross-sectional profiles on the pocket beach of Ploče, Croatia. The measurements have shown that the wave runup can vary for about 71% even around the centerline of the pocket beach. This variability is due to beach orientation and alignment of beach profiles to the prevailing wave direction, as well as difference in beach slope. Comparison of wave runup predictions from five well-known empirical equations and field measurements showed significant underprediction (up to NBIAS = −0.33) for energetic wave events, and overall high scatter (up to NRMSE = 0.38). The best performing wave runup equation was used for further refinement outside the original parameter space by including the Goda wave peakedness parameter (Qp). The newly developed empirical equation for wave runup reduced the NBIAS to 0 and the NRMSE by 31% compared to the original equation (developed equation metrics: R = 0.91, NBIAS = 0, NRMSE = 0.2, HH = 0.2 on the study site). This empirical equation can potentially be used for design of coastal structures and artificial beaches in similar environments, but further measurements are needed to test its applicability to a range of forcing and environmental conditions.
Journal Article
Palm Beach chic
\"Compiled and written by an interior design expert and Palm Beach insider, this book features some twenty-five of the most exceptional homes and gardens in one of the world's most design-savvy--and exclusive--locations\"-- Provided by publisher.
Book