scholarly journals Comprehensive Risk Assessment of High Temperature Disaster to Kiwifruit in Shaanxi Province, China

2021 ◽  
Vol 18 (19) ◽  
pp. 10437
Author(s):  
Yining Ma ◽  
Suri Guga ◽  
Jie Xu ◽  
Jiquan Zhang ◽  
Zhijun Tong ◽  
...  
Keyword(s):  
High Temperature ◽  
Agricultural Production ◽  
Shaanxi Province ◽  
Risk Level ◽  
Climatic Suitability ◽  
Analytic Hierarchy ◽  
Weighting Method ◽  
Southern Shaanxi ◽  
Hierarchy Process ◽  
Central South

In recent years, the main kiwifruit producing region, central-south Shaanxi Province, has often suffered from the threat of extreme high temperatures. Assessing the risk of high-temperature disasters in the region is essential for the rational planning of agricultural production and the development of resilience measures. In this study, a database was established to assess the risk of a high-temperature disaster to kiwifruit. Then, four aspects, hazard, vulnerability, exposure and disaster prevention and mitigation capacity, were taken into account and 19 indexes were selected to make an assessment of the risk of a high-temperature disaster. At the same time, 16 indexes were selected for the assessment of the climatic suitability of kiwifruit in terms of light, heat, water, soil and topography, and were used as one of the indexes for exposure assessment. The analytic hierarchy process and the entropy weighting method were combined to solve the weights for each index. The results reveal that: (1) The Guanzhong Plain has a high climatic suitability for kiwifruit, accounting for 15.14% of the study area. (2) The central part of the study area and southern Shaanxi are at high risk, accounting for 22.7% of the study area. The major kiwifruit producing areas in Shaanxi Province (e.g., Baoji) are at a low risk level, which is conducive to the development of the kiwifruit industry. Our study is the first to provide a comprehensive assessment of the risk of a high-temperature disaster to the economic fruit kiwifruit, providing a reference for disaster resilience and mitigation.

scholarly journals Application of AHP for the Weighting of Sustainable Development Indicators at the Subnational Level

Economies ◽  
2021 ◽  
Vol 9 (4) ◽  
pp. 169
Author(s):  
Abraham Londoño-Pineda ◽  
Jose Alejandro Cano ◽  
Rodrigo Gómez-Montoya
Keyword(s):  
Sustainable Development ◽  
Environmental Indicators ◽  
Analytic Hierarchy ◽  
Weighting Method ◽  
Development Indicators ◽  
Composite Indices ◽  
Higher Weights ◽  
Development Goals ◽  
Education Indicators ◽  
Hierarchy Process

This article presents an indicator weighting method for constructing composite indices to assess sustainable development at the subnational level. The study uses an analytic hierarchy process (AHP), which is considered relevant, since it establishes links between the indicators that make up the different sustainable development goals (SDG). For this purpose, 28 indicators defined by experts constitute the base to evaluate the progress towards sustainable development of the Aburrá Valley region, located in Antioquia, Colombia. The results show that health, employment, and education indicators obtained higher weights, while environmental indicators received the most reduced weights. Likewise, the model proves to be consistent using a consistency ratio, which generates the possibility of replicating this model at different subnational levels.

Material Selection Decision-Making Method for Multi-material Lightweight Automotive Body Driven by Performance

2021 ◽  
pp. 146442072110556
Author(s):  
Dengfeng Wang ◽  
Shenhua Li
Keyword(s):  
Decision Making ◽  
Material Selection ◽  
The Body ◽  
Analytic Hierarchy ◽  
Weighting Method ◽  
Lightweight Material ◽  
Automotive Body ◽  
Selection Decision ◽  
Hierarchy Process ◽  
Selection Of

This work proposes a material selection decision-making method for multi-material lightweight body driven by performance to achieve that the right materials are used for the correct positions of the automotive body. The internal relationship between performance and mass, cross-sectional shape, wall thickness parameters, and material properties of a thin-walled structure is studied. The lightweight material indices driven by performance are then established. The lightweight material indices and material price are taken as the decision-making criteria for the material selection of automotive body components. A hybrid weighting method integrated with the analytic hierarchy process, fuzzy analytic hierarchy process, and quality function deployment is proposed. The difficulty of quantitatively evaluating the performance requirements of different components of the body is solved using the proposed weighting method combined with the numerical analytical results of the component performance under multiple operating conditions of the automotive body. Then, the weight of the decision-making criteria for material selection is calculated. Grey relational analysis is used to make multicriteria decision-making on a variety of candidate materials to select the best material for body components. After the lightweight material selection of the front longitudinal beam of the automotive body, the frontal collision safety performance of the body is effectively improved, and the mass of the front longitudinal beam is reduced by 45%. Material selection result of the front longitudinal beam indicates that the proposed material selection decision-making method can effectively achieve the fast material selection of components in different positions of the body.

scholarly journals Spatiotemporal Dynamics and Obstacles of the Multi-Functionality of Land Use in Xiangxi, China

2019 ◽  
Vol 9 (18) ◽  
pp. 3649 ◽  
Author(s):  
Hui Xiang ◽  
Qing-Yuan Yang ◽  
Kang-chuan Su ◽  
Zhong-Xun Zhang
Keyword(s):  
Land Use ◽  
Rural Areas ◽  
Spatial Differentiation ◽  
Spatial Equilibrium ◽  
Analytic Hierarchy ◽  
Weighting Method ◽  
Multifunctional Land Use ◽  
Northern Regions ◽  
Urban Rural ◽  
Hierarchy Process

The multi-functionality of land as the basis of land use and utilization is under increasing investigation. This study assesses the spatiotemporal dynamic multi-functionality of land use and analyzes the obstacle indicators in Xiangxi using two methods, i.e., the analytic hierarchy process (AHP) and the hierarchical weighting method (HWM). First, we found that the total function level of land use in Xiangxi was constantly optimized. Spatial heterogeneity was clearer. Land use had a trend toward diversification, with a focus on production or living function. The coordination of multifunctional land use has undergone certain changes. It was more apparent in the south than in central and northern regions. Second, we discovered that production function of land use in Xiangxi grew slowly and spatial differentiation was enhanced. The living function fluctuated with the trend of spatial equilibrium. Changes in ecological function and any spatial differentiation were not clear. Third, land use can be divided into living-ecological, production-living, and production obstacle types. Lastly, we state that, to narrow the gap between urban-rural areas and reduce the non-point pollution from agriculture in living-ecological barrier areas, we need to develop production and social public utilities in production-living barrier areas, and develop production and eliminate poverty in production barrier areas.

scholarly journals Multicriteria analysis in hazards assessment in Libya

2012 ◽  
Vol 7 (2) ◽  
pp. 59-70
Author(s):  
Martina Zeleňáková ◽  
Ibrahim Gargar ◽  
Pavol Purcz
Keyword(s):  
Risk Assessment ◽  
Multicriteria Analysis ◽  
Pairwise Comparison ◽  
Developed Countries ◽  
Decision Makers ◽  
Risk Level ◽  
Analytic Hierarchy ◽  
The Given ◽  
Hierarchy Process ◽  
Developing And Developed Countries

Abstract Environmental hazards (natural and man-made) have always constituted problem in many developing and developed countries. Many applications proved that these problems could be solved through planning studies and detailed information about these prone areas. Determining time and location and size of the problem are important for decision makers for planning and management activities. It is important to know the risk represented by those hazards and take actions to protect against them. Multicriteria analysis methods - Analytic hierarchy process, Pairwise comparison, Ranking method are used to analyse which is the most dangerous hazard facing Libya country. The multicriteria analysis ends with a more or less stable ranking of the given alternatives and hence a recommendation as to which alternative(s) problems should be preferred. Regarding our problem of environmental risk assessment, the result will be a ranking or categorisation of hazards with regard to their risk level.

Weighting Method of Indicators for Safety Management System Assessment

2013 ◽  
Vol 850-851 ◽  
pp. 1020-1023
Author(s):  
Chang Cheng Wu ◽  
Hong Zhao ◽  
Gui Fu
Keyword(s):  
Management System ◽  
Safety Management ◽  
Management Practice ◽  
Decision Makers ◽  
Work Safety ◽  
Analytic Hierarchy ◽  
Weighting Method ◽  
Safety Management System ◽  
System Assessment ◽  
Hierarchy Process

Safety management system assessment (SMSA) was a hot point in the field of safety management practice and research. But, the weights of safety management system assessment indicators are different in former achievements. In this study, the scores of indicators in ISRS, NOSA, API and Basic Norms for Work Safety Standardization (BNWSS) were referenced to obtain the initial weights of the primary indicators for SMSA. The decision-makers preference for the four methods was settled by means of analytic hierarchy process (AHP). After Kendalls test for consistency of the four methods, the combination weighting was made considering the preference and consistence on the basis of AHP. The rationality of weighting result was evaluated with close degree. The close degree reached 91.0% which was satisfactory.

scholarly journals Analysis of Potato Commodity Competitiveness Development Strategy at Sembalun Village in East Lombok Regency of Nusa Tenggara Barat

2018 ◽  
Vol 2 (1) ◽  
pp. 65
Author(s):  
Intan Dwi Rahayu ◽  
L. Sukardi
Keyword(s):  
Development Strategy ◽  
External Factor ◽  
Descriptive Analysis ◽  
Risk Level ◽  
Analytic Hierarchy ◽  
Pests And Diseases ◽  
Potato Price ◽  
Competition Level ◽  
Hierarchy Process ◽  
Descriptive Method

The purpose of this research was to analyze the effort to improved competitiveness of potato commodities. This research employed a descriptive method and used data collection techniques of survey and interview. The data analyses being used were descriptive analysis and SWOT, and analytic hierarchy process (AHP). The result showed that there were five chain structures of potato commodity supply. Internal and external factor each has eight criteria which were made to alternative strategies. AHP suggests that strategies of internal factor are the development of facilities and infrastructure for potato commodity, increasing potato seeds availability, broadening market information, optimizing the utilization of potential cultivation area in Sembalun, improving and exploiting farmers’ potato cultivation experience, improving potato quality, utilizing available workers in potato post-harvest handling process, and reducing overproduction. Furthermore, the strategies of external factor are sharpening potato farmer’s skill, following the competition level, improving production opportunities in dry season, reducing risk level of extreme climate, practicing and making use of available government policy, improving the production to meet consumer demand, reducing pests and diseases and minimizing the fluctuations in potato price.

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