The effects of vegetation and its seasonal variation on energy and the hydrological cycle were examined using a state-of-the-art Community Atmosphere Model （CAM3）. Three 15-year numerical experiments were completed...The effects of vegetation and its seasonal variation on energy and the hydrological cycle were examined using a state-of-the-art Community Atmosphere Model （CAM3）. Three 15-year numerical experiments were completed： the first with realistic vegetation characteristics varying monthly （VEG run）, the second without vegetation over land （NOVEG run）, and the third with the vegetation characteristics held at their annual mean values （VEGMEAN run）. In these models, the hydrological cycle and land surface energy budget were widely affected by vegetation. Globaland annual-mean evapotranspiration significantly increased compared with the NOVEG by 11.8% in the VEG run run, while runoff decreased by 13.2% when the realistic vegetation is incorporated. Vegetation plays different roles in different regions. In tropical Asia, vegetation-induced cooling of the land surface plays a crucial role in decreasing tropical precipitation. In middle latitudes and the Amazon region, however, the vegetation-induced increase of evapotranspiration plays a more important role in increasing precipitation. The seasonal variation of vegetation also shows clear influences on the hydrological cycle and energy budget. In the boreal mid-high latitudes where vegetation shows a strong seasonal cycle, evapotranspiration and precipitation are higher in the summer in the VEG run than in the VEGMEAN run.展开更多
Objectives:To investigate health literacy profiles using a multidimensional tool in the elderly,analyze the factors related to health literacy,and explore the relationships between health literacy and health-related b...Objectives:To investigate health literacy profiles using a multidimensional tool in the elderly,analyze the factors related to health literacy,and explore the relationships between health literacy and health-related behaviors.Methods:A cross-sectional survey including 440 participants was conducted at a community health center and a village health center in Changsha,Hunan Province,between June 2020 and August 2020.We used the Health Literacy Questionnaire(HLQ)to assess the elderly’s health literacy.Sociodemographic data and health-related behaviors of them were surveyed with a self-designed questionnaire.Latent profile analysis,Pearson’s chi-squared and ordinal logistic regression were used to analyze the data.Results:The median age of the 440 respondents was 68 years.The participants had the lowest scores in the“appraisal of health information”subscale(2.22±0.52),followed by“navigating the healthcare system”subscale(2.89±0.81)of HLQ.Based on the analysis of three profiles,respondents who were 60 e74 years(OR=2.06,95%CI:1.23e3.42,P=0.006),living in urban areas(OR=3.28,95%CI:2.17e4.94,P<0.001),with secondary education or above(OR=2.86,95%CI:1.92e4.27,P<0.001),and having health insurance(OR=1.89,95%CI:1.02e3.51,P=0.042)were significantly associated with health literacy.Statistically significant associations were found between health literacy level and health-related behaviors,including medical service-seeking behavior(χ^(2)=25.14,P<0.001),exercising regularly(χ^(2)=34.08,P<0.001),and taking a medical examination in the past 12 months(χ^(2)=24.76,P<0.001).Conclusion:The multidimensional health literacy survey has identified the low health literacy level among the elderly in community settings.It revealed the relationships of sociodemographic character-istics,including age,education level and residence,with health literacy.These findings emphasized the importance of health literacy in promoting health behaviors,guiding a profound understanding of the Chinese elderly’s health needs and health literacy to develop community-based health promotion interventions.展开更多
Administrative issues in community autonomy are a hot topic of all levels of government and grass-roots society in recent years. We summarized the main trend and performance of community autonomy administration, in te...Administrative issues in community autonomy are a hot topic of all levels of government and grass-roots society in recent years. We summarized the main trend and performance of community autonomy administration, in terms of government functions, cadre staff work mode and operation mechanism. Then based on the analysis of its root cause, we proposed some strategies to solve the issues of community autonomy administration.展开更多
The purpose of this study is to explore how business organizations could effectively promote positive environmental norms among a larger section of the community. This study hypothesized that the development of a feel...The purpose of this study is to explore how business organizations could effectively promote positive environmental norms among a larger section of the community. This study hypothesized that the development of a feeling of high involvement among employees of organizations implementing the Environmental Management System （EMS） could result in the spillover phenomena of other environmentally responsible behavior in different domains such as, consumer preferences for environment-friendly products. The study also confirms the effects of environmental attitude （EA） and concrete knowledge （CK） as a mediator; acting not only as an axis to the spillover phenomenon but is also found to be the crucial factor in determining the strength of the whole spillover process.展开更多
基金supported jointly by the National Basic Research Program of China (Grant No. 2006CB400502)the Foundation of the Jiangsu Key Laboratory of Meteorological Disaster KLME0704the China Postdoctoral Science Foundation 20070410133
文摘The effects of vegetation and its seasonal variation on energy and the hydrological cycle were examined using a state-of-the-art Community Atmosphere Model （CAM3）. Three 15-year numerical experiments were completed： the first with realistic vegetation characteristics varying monthly （VEG run）, the second without vegetation over land （NOVEG run）, and the third with the vegetation characteristics held at their annual mean values （VEGMEAN run）. In these models, the hydrological cycle and land surface energy budget were widely affected by vegetation. Globaland annual-mean evapotranspiration significantly increased compared with the NOVEG by 11.8% in the VEG run run, while runoff decreased by 13.2% when the realistic vegetation is incorporated. Vegetation plays different roles in different regions. In tropical Asia, vegetation-induced cooling of the land surface plays a crucial role in decreasing tropical precipitation. In middle latitudes and the Amazon region, however, the vegetation-induced increase of evapotranspiration plays a more important role in increasing precipitation. The seasonal variation of vegetation also shows clear influences on the hydrological cycle and energy budget. In the boreal mid-high latitudes where vegetation shows a strong seasonal cycle, evapotranspiration and precipitation are higher in the summer in the VEG run than in the VEGMEAN run.
基金funded with the Hunan Key Laboratory Platform for Nursing(2017TP1004)。
文摘Objectives:To investigate health literacy profiles using a multidimensional tool in the elderly,analyze the factors related to health literacy,and explore the relationships between health literacy and health-related behaviors.Methods:A cross-sectional survey including 440 participants was conducted at a community health center and a village health center in Changsha,Hunan Province,between June 2020 and August 2020.We used the Health Literacy Questionnaire(HLQ)to assess the elderly’s health literacy.Sociodemographic data and health-related behaviors of them were surveyed with a self-designed questionnaire.Latent profile analysis,Pearson’s chi-squared and ordinal logistic regression were used to analyze the data.Results:The median age of the 440 respondents was 68 years.The participants had the lowest scores in the“appraisal of health information”subscale(2.22±0.52),followed by“navigating the healthcare system”subscale(2.89±0.81)of HLQ.Based on the analysis of three profiles,respondents who were 60 e74 years(OR=2.06,95%CI:1.23e3.42,P=0.006),living in urban areas(OR=3.28,95%CI:2.17e4.94,P<0.001),with secondary education or above(OR=2.86,95%CI:1.92e4.27,P<0.001),and having health insurance(OR=1.89,95%CI:1.02e3.51,P=0.042)were significantly associated with health literacy.Statistically significant associations were found between health literacy level and health-related behaviors,including medical service-seeking behavior(χ^(2)=25.14,P<0.001),exercising regularly(χ^(2)=34.08,P<0.001),and taking a medical examination in the past 12 months(χ^(2)=24.76,P<0.001).Conclusion:The multidimensional health literacy survey has identified the low health literacy level among the elderly in community settings.It revealed the relationships of sociodemographic character-istics,including age,education level and residence,with health literacy.These findings emphasized the importance of health literacy in promoting health behaviors,guiding a profound understanding of the Chinese elderly’s health needs and health literacy to develop community-based health promotion interventions.
文摘Administrative issues in community autonomy are a hot topic of all levels of government and grass-roots society in recent years. We summarized the main trend and performance of community autonomy administration, in terms of government functions, cadre staff work mode and operation mechanism. Then based on the analysis of its root cause, we proposed some strategies to solve the issues of community autonomy administration.
文摘The purpose of this study is to explore how business organizations could effectively promote positive environmental norms among a larger section of the community. This study hypothesized that the development of a feeling of high involvement among employees of organizations implementing the Environmental Management System （EMS） could result in the spillover phenomena of other environmentally responsible behavior in different domains such as, consumer preferences for environment-friendly products. The study also confirms the effects of environmental attitude （EA） and concrete knowledge （CK） as a mediator; acting not only as an axis to the spillover phenomenon but is also found to be the crucial factor in determining the strength of the whole spillover process.
