This paper provides a comprehensive overview on coastal protection and hazard mitigation by mangroves.Previous stud-ies have made great strides to understand the mechanisms and influencing factors of mangroves’protec...This paper provides a comprehensive overview on coastal protection and hazard mitigation by mangroves.Previous stud-ies have made great strides to understand the mechanisms and influencing factors of mangroves’protection function,including wave energy dissipation,storm surge damping,tsunami mitigation,adjustment to sea level rise and wind speed reduction,which are sys-tematically summarized in this study.Moreover,the study analyzes the extensive physical models,based on indoor flume experi-ments and numerical models,that consider the interaction between mangroves and hydrodynamics,to help our understanding of mangrove-hydrodynamic interactions.Additionally,quantitative approaches for valuing coastal protection services provided by man-groves,including index-based and process-resolving approaches,are introduced in detail.Finally,we point out the limitations of previous studies,indicating that efforts are still required for obtaining more long-term field observations during extreme weather events,to create more real mangrove models for physical experiments,and to develop numerical models that consider the flexible properties of mangroves to better predict wave propagation in mangroves having complex morphology and structures.展开更多
This quasi-experimental study compared the results of a traditional model of physical therapy(PT)care to a PT wellness model known as GroupHab.The traditional model included discharge from PT with a home exercise prog...This quasi-experimental study compared the results of a traditional model of physical therapy(PT)care to a PT wellness model known as GroupHab.The traditional model included discharge from PT with a home exercise program(HEP)to be self-administered with or without the addition of a community-based exercise program.The wellness model included participation in a PT-designed and supervised group exercise program(GroupHab class)in an outpatient clinical setting following discharge from PT.Independent t-tests were used to compare the number of falls,exercise frequency,and exercise duration between the two groups.A repeated measures,analysis of variance(RM-ANOVA)compared changes in balance confidence scores both within and between groups,and a multivariate analysis of variance(MANOVA)analyzed group differences across multiple quality of life ratings using the SF-20.All data were analyzed at the 0.05 alpha level using SPSS 24 statistical software.Our results showed a significantly greater reduction in recurrent falls among the GroupHab wellness group compared to the HEP group(t=2.811,p=0.009).The resulting odds ratio for subsequent falls was 2.2 among HEP participants and 0.2 among GroupHab participants.Exercise adherence was also greater for those who participated in the GroupHab class.They documented greater exercise frequency(t=-3.253,p=0.002)and more exercise minutes(t=-7.188,p<0.001)than those who participated in the HEP.When comparing changes in the participants’balance confidence,we found an average increase of 5%among GroupHab participants compared to a 6%decrease among HEP participants(F=16.877,p<0.001,power=0.981).Although our multivariate analysis of the SF-20 scores revealed no significant difference overall(F=0.768,p=0.73),the univariate analyses showed significantly greater improvements among GroupHab participants in selected areas of physical function.These results suggest that at-risk older adults who are discharged into a functionally-based group exercise class are less likely to experience recurrent falls and are more likely to have more confidence in their balance than those who are discharged with a standard HEP and/or use of community-based exercise classes.展开更多
基金funded by the National Key R&D Program of China(No.2023YFC3007900)the Young Scientists Fund of the National Natural Science Foundation of China(No.42106204)+2 种基金the Jiangsu Basic Research Program(Natural Science Foundation)(No.BK20220082)the National Natural Science Foundation of China(No.52271271)the Major Science&Technology Projects of the Ministry of Water Resources(No.SKS-2022025).
文摘This paper provides a comprehensive overview on coastal protection and hazard mitigation by mangroves.Previous stud-ies have made great strides to understand the mechanisms and influencing factors of mangroves’protection function,including wave energy dissipation,storm surge damping,tsunami mitigation,adjustment to sea level rise and wind speed reduction,which are sys-tematically summarized in this study.Moreover,the study analyzes the extensive physical models,based on indoor flume experi-ments and numerical models,that consider the interaction between mangroves and hydrodynamics,to help our understanding of mangrove-hydrodynamic interactions.Additionally,quantitative approaches for valuing coastal protection services provided by man-groves,including index-based and process-resolving approaches,are introduced in detail.Finally,we point out the limitations of previous studies,indicating that efforts are still required for obtaining more long-term field observations during extreme weather events,to create more real mangrove models for physical experiments,and to develop numerical models that consider the flexible properties of mangroves to better predict wave propagation in mangroves having complex morphology and structures.
基金Charlotte Walter,DPT assisted in creation of the survey used in this study.
文摘This quasi-experimental study compared the results of a traditional model of physical therapy(PT)care to a PT wellness model known as GroupHab.The traditional model included discharge from PT with a home exercise program(HEP)to be self-administered with or without the addition of a community-based exercise program.The wellness model included participation in a PT-designed and supervised group exercise program(GroupHab class)in an outpatient clinical setting following discharge from PT.Independent t-tests were used to compare the number of falls,exercise frequency,and exercise duration between the two groups.A repeated measures,analysis of variance(RM-ANOVA)compared changes in balance confidence scores both within and between groups,and a multivariate analysis of variance(MANOVA)analyzed group differences across multiple quality of life ratings using the SF-20.All data were analyzed at the 0.05 alpha level using SPSS 24 statistical software.Our results showed a significantly greater reduction in recurrent falls among the GroupHab wellness group compared to the HEP group(t=2.811,p=0.009).The resulting odds ratio for subsequent falls was 2.2 among HEP participants and 0.2 among GroupHab participants.Exercise adherence was also greater for those who participated in the GroupHab class.They documented greater exercise frequency(t=-3.253,p=0.002)and more exercise minutes(t=-7.188,p<0.001)than those who participated in the HEP.When comparing changes in the participants’balance confidence,we found an average increase of 5%among GroupHab participants compared to a 6%decrease among HEP participants(F=16.877,p<0.001,power=0.981).Although our multivariate analysis of the SF-20 scores revealed no significant difference overall(F=0.768,p=0.73),the univariate analyses showed significantly greater improvements among GroupHab participants in selected areas of physical function.These results suggest that at-risk older adults who are discharged into a functionally-based group exercise class are less likely to experience recurrent falls and are more likely to have more confidence in their balance than those who are discharged with a standard HEP and/or use of community-based exercise classes.
