• Title/Summary/Keyword: climate modeling

Search Result 462, Processing Time 0.027 seconds

The Relationships Among Occupational Safety Climate, Patient Safety Climate, and Safety Performance Based on Structural Equation Modeling

  • Aghaei, Hamed;Asadi, Zahra Sadat;Aliabadi, Mostafa Mirzaei;Ahmadinia, Hassan
    • Journal of Preventive Medicine and Public Health
    • /
    • v.53 no.6
    • /
    • pp.447-454
    • /
    • 2020
  • Objectives: The aim of the present study was to investigate the relationships among hospital safety climate, patient safety climate, and safety outcomes among nurses. Methods: In the current cross-sectional study, the occupational safety climate, patient safety climate, and safety performance of nurses were measured using several questionnaires. Structural equation modeling was applied to test the relationships among occupational safety climate, patient safety climate, and safety performance. Results: A total of 211 nurses participated in this study. Over half of them were female (57.0%). The age of the participants tended to be between 20 years and 30 years old (55.5%), and slightly more than half had less than 5 years of work experience (51.5%). The maximum and minimum scores of occupational safety climate dimensions were found for reporting of errors and cumulative fatigue, respectively. Among the dimensions of patient safety climate, non-punitive response to errors had the highest mean score, and manager expectations and actions promoting patient safety had the lowest mean score. The correlation coefficient for the relationship between occupational safety climate and patient safety climate was 0.63 (p<0.05). Occupational safety climate and patient safety climate also showed significant correlations with safety performance. Conclusions: Close correlations were found among occupational safety climate, patient safety climate, and nurses' safety performance. Therefore, improving both the occupational and patient safety climate can improve nurses' safety performance, consequently decreasing occupational and patient-related adverse outcomes in healthcare units.

Research on Enhancing the Safety Behaviors of Research Workers Using Structural Equation Modeling (구조방정식을 활용한 연구활동종사자의 안전행동 향상 방안 연구)

  • Gyeongyun Kim;Han Jin Jo;Jeong-Hun Won
    • Journal of the Korean Society of Safety
    • /
    • v.38 no.6
    • /
    • pp.79-87
    • /
    • 2023
  • This study focuses on safety behavior among research workers and investigates the factors influencing their safety behavior. The selected variables for examining their impact on researchers' safety behavior are safety leadership, safety climate, and safety motivation. Surveys were conducted to analyze the structural equation modeling among these variables. The results indicate that the safety leadership of research supervisors positively influences the creation of a safety climate in research laboratories. Additionally, the safety climate positively impacts research workers' safety motivation and behavior. Therefore, to enhance the safety behavior of research workers, it is necessary to strengthen safety leadership education to improve the safety leadership of laboratory supervisors. The laboratory can enhance its safety climate by implementing management policies and safety regulations, fostering communication among members, and providing safety education.

3-D Dynamic groundwater-river interaction modeling incorporating climate variability and future water demand

  • Hong, Yoon-Seok Timothy;Thomas, Joseph
    • Proceedings of the Korea Water Resources Association Conference
    • /
    • 2008.05a
    • /
    • pp.67-74
    • /
    • 2008
  • The regional-scale transient groundwater-river interaction model is developed to gain a better understanding of the regional-scale relationships and interactions between groundwater and river system and quantify the residual river flow after groundwater abstraction from the aquifers with climate variability in the Waimea Plains, New Zealand. The effect of groundwater abstraction and climate variability on river flows is evaluated by calculating river flows at the downstream area for three different drought years (a 1 in 10 drought year, 1 in 20 drought year, and 1 in 24 drought year) and an average year with metered water abstraction data. The effect of future water demand (50 year projection) on river flows is also evaluated. A significant increase in the occurrence of zero flow, or very low flow of 100 L/sec at the downstream area is predicted due to large groundwater abstraction increase with climate variability. Modeling results shows the necessity of establishing dynamic cutback scenarios of water usage to users over the period of drought conditions considering different climate variability from current allocation limit to reduce the occurrence of low flow conditions at the downstream area.

  • PDF

Exploring Criteria of Evaluation of Climate Change Models by Preservice Earth Science Teachers (예비 지구과학교사들의 기후변화 모델 평가 기준 탐색)

  • Ha, Yoon-hee;Cha, Hyun-jung;Shin, Hyeonjeong;Kim, Chan-jong
    • Journal of the Korean earth science society
    • /
    • v.43 no.1
    • /
    • pp.210-223
    • /
    • 2022
  • This study explores the criteria of climate change model evaluation by preservice Earth science teachers. The participants in this study were 25 preservice Earth science teachers who attended lectures on modeling-based science learning for 3 weeks in an Earth science education major course. The evaluation criteria of climate change models were categorized inductively using reports written by preservice Earth science teachers and post-interviews. The results showed that preservice Earth science teachers used various epistemic and communicative criteria to evaluate climate change models. Implications for modeling-based climate-change learning were suggested based on these results.

Development Strategy for New Climate Change Scenarios based on RCP (온실가스 시나리오 RCP에 대한 새로운 기후변화 시나리오 개발 전략)

  • Baek, Hee-Jeong;Cho, ChunHo;Kwon, Won-Tae;Kim, Seong-Kyoun;Cho, Joo-Young;Kim, Yeongsin
    • Journal of Climate Change Research
    • /
    • v.2 no.1
    • /
    • pp.55-68
    • /
    • 2011
  • The Intergovernmental Panel on Climate Change(IPCC) has identified the causes of climate change and come up with measures to address it at the global level. Its key component of the work involves developing and assessing future climate change scenarios. The IPCC Expert Meeting in September 2007 identified a new greenhouse gas concentration scenario "Representative Concentration Pathway(RCP)" and established the framework and development schedules for Climate Modeling (CM), Integrated Assessment Modeling(IAM), Impact Adaptation Vulnerability(IAV) community for the fifth IPCC Assessment Reports while 130 researchers and users took part in. The CM community at the IPCC Expert Meeting in September 2008, agreed on a new set of coordinated climate model experiments, the phase five of the Coupled Model Intercomparison Project(CMIP5), which consists of more than 30 standardized experiment protocols for the shortterm and long-term time scales, in order to enhance understanding on climate change for the IPCC AR5 and to develop climate change scenarios and to address major issues raised at the IPCC AR4. Since early 2009, fourteen countries including the Korea have been carrying out CMIP5-related projects. Withe increasing interest on climate change, in 2009 the COdinated Regional Downscaling EXperiment(CORDEX) has been launched to generate regional and local level information on climate change. The National Institute of Meteorological Research(NIMR) under the Korea Meteorological Administration (KMA) has contributed to the IPCC AR4 by developing climate change scenarios based on IPCC SRES using ECHO-G and embarked on crafting national scenarios for climate change as well as RCP-based global ones by engaging in international projects such as CMIP5 and CORDEX. NIMR/KMA will make a contribution to drawing the IPCC AR5 and will develop national climate change scenarios reflecting geographical factors, local climate characteristics and user needs and provide them to national IAV and IAM communites to assess future regional climate impacts and take action.

Estimating Climate Change Impact on Drought Occurrence Based on the Soil Moisture PDF (토양수분 확률밀도함수로 살펴본 가뭄발생에 대한 기후변화의 영향)

  • Choi, Dae-Gyu;Ahn, Jae-Hyun;Jo, Deok-Jun;Kim, Sang-Dan
    • Journal of Korea Water Resources Association
    • /
    • v.43 no.8
    • /
    • pp.709-720
    • /
    • 2010
  • This paper describes the modeling of climate change impact on drought using a conceptual soil moisture model and presents the results of the modeling approach. The future climate series is obtained by scaling the historical series, informed by CCCma CGCM3-T63 with A2 green house emission scenario, using a daily scaling method that considers changes in the future monthly precipitation and potential evapotranspiration as well as in the daily precipitation distribution. The majority of the modeling results indicate that there will be more frequent drought in Korea in the future.