Research on Evaluation Index System of Chinese City Safety Resilience Based on Delphi Method and Cloud Model
Abstract
:1. Introduction
2. Establishment of Evaluation System Framework of City Safety Resilience
2.1. City Safety Resilience
2.2. Characterization Model of City Safety Resilience
2.3. Model Construction
2.3.1. Predisaster Prevention ()
2.3.2. Disaster-Bearing Carrier ()
2.3.3. Emergencies ()
2.3.4. Emergency Management ()
3. Methodology
3.1. Delphi Method
- (1)
- The information between experts is not transparent, so as to avoid authority in the industry influencing the judgment of other experts;
- (2)
- Experts are allowed to change their opinions after each round is completed;
- (3)
- The results of each round should be anonymously fed back to experts to ensure in-depth discussion among them;
- (4)
- The statistical analysis of the final feedback should take into account the feedback from each expert, and each statistical result should be mentioned, so as to avoid the shortcoming that the expert meeting method only reflects the views of the majority.
3.2. Cloud Model Method
- (1)
- Sample mean is calculated according to sample . The absolute central moment of first-order sample is , and the sample variance is .
- (2)
- The expected value _ is obtained according to step 1.
- (3)
- The entropy is calculated according to step 2.
- (4)
- The hyper entropy is calculated according to steps 1 and 3.
4. Establishment of City Safety Resilience Assessment Model
4.1. Cloud Model Fitting
4.2. Model Fitting Results
5. Result Analysis and Discussion
5.1. Weight Analysis and Discussion
5.2. Application Analysis and Discussion
- : City safety toughness evaluation score, which is a percentage system;
- : index weight;
- : The score result of percentage system for each index.
6. Conclusions
Author Contributions
Funding
Conflicts of Interest
References and Notes
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Classification | Name |
---|---|
Categories of laws, regulations and conventions | Law of the China on Response to Emergencies [16] National Emergency Response Plan for Public Emergencies [17] Opinions of the State Council of the Central Committee of the Communist Party of China on Promoting the Reform of the System and Mechanism of Disaster Prevention, Mitigation and Relief [18] Regulations on Emergency Response to Production Safety Accidents [19] Hyogo Framework for Action 2005–2015 [20] Sendai Disaster Risk Reduction Framework 2015–2030 [21] |
Indicator System Category | Indicator System Category: Manual of Strategic Performance Indicators for China’s Urban Development [22] Outline of Science and Technology for China’s Sustainable Development [18] Rockefeller Foundation Toughness City Index Research [8] UN-Habitat Urban Prosperity Index [23] |
Documentation | The World Cities Report 2016 [23] Modern City Safety Space Construction Theory [15] |
First-Level Indicators | Secondary Indicators | Tertiary Indicators | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Predisaster Prevention () | 0.8333 | 0.1170 | 0.0112 | government supervision and prevention () | 0.5867 | 0.1682 | 0.0091 | the city safety supervision department () | 0.2800 | 0.1604 | 0.0163 |
the active cooperation of different departments () | 0.7933 | 0.1615 | 0.0169 | ||||||||
the city safety management laws and regulations () | 0.4667 | 0.1393 | 0.0115 | ||||||||
risk assessment measures () | 0.8467 | 0.1125 | 0.0024 | ||||||||
a risk reduction plan () | 0.5467 | 0.1047 | 0.0165 | ||||||||
grassroots city safety prevention () | 0.7467 | 0.1883 | 0.0087 | emergency prevention regulations () | 0.3067 | 0.1270 | 0.0159 | ||||
the propaganda of emergency prevention () | 0.8200 | 0.1404 | 0.0141 | ||||||||
the categories and quantities of safety equipment and facilities () | 0.7933 | 0.1615 | 0.0169 | ||||||||
Disaster-bearing Carrier () | 0.6097 | 0.1092 | 0.0132 | Infrastructure () | 0.7467 | 0.2061 | 0.0138 | the flood control and drainage system () | 0.8400 | 0.0969 | 0.0179 |
the road traffic volume and accessibility () | 0.7867 | 0.1225 | 0.0225 | ||||||||
the lifeline resilience () | 0.7867 | 0.1225 | 0.0225 | ||||||||
city safety facilities () | 0.9067 | 0.0780 | 0.0173 | the number of hospitals () | 0.5667 | 0.1337 | 0.0149 | ||||
fire protection coverage () | 0.7667 | 0.1170 | 0.0112 | ||||||||
the number of city shelters () | 0.7667 | 0.1393 | 0.0115 | ||||||||
housing buildings () | 0.4733 | 0.1526 | 0.0151 | the number of anti-seismic buildings () | 0.3200 | 0.1471 | 0.0094 | ||||
the number of old residential areas () | 0.3200 | 0.1136 | 0.0125 | ||||||||
the population cluster statistics (), | 0.5600 | 0.1838 | 0.0145 | the population cluster locations () | 0.7533 | 0.1047 | 0.0165 | ||||
the population density () | 0.8333 | 0.1393 | 0.0115 | ||||||||
crowd safety protection measures () | 0.6867 | 0.1384 | 0.0145 | the crowd evacuation guidelines () | 0.6867 | 0.1348 | 0.0145 | ||||
the crowd safety facilities () | 0.7733 | 0.1615 | 0.0169 | ||||||||
Emergencies () | 0.3667 | 0.1170 | 0.0112 | natural disasters () | 0.5867 | 0.1181 | 0.0122 | the frequency of natural disasters in city areas () | 0.8333 | 0.1393 | 0.0165 |
property losses Caused by Natural Disasters in Cities Every Year () | 0.4133 | 0.1225 | 0.0225 | ||||||||
casualties Caused by Natural Disasters in Cities Every Year () | 0.8067 | 0.1426 | 0.0182 | ||||||||
production accidents () | 0.5933 | 0.1462 | 0.0182 | the frequency of production accidents () | 0.7667 | 0.1393 | 0.0115 | ||||
the mortality rate per 100,000 people as a result of production accidents (), | 0.4267 | 0.1526 | 0.0151 | ||||||||
the accident GDP per 100 million yuan based on the mortality rate () | 0.3067 | 0.1615 | 0.0169 | ||||||||
production accident economic losses () | 0.7800 | 0.1303 | 0.0209 | ||||||||
Emergency Management () | 0.8200 | 0.1738 | 0.0090 | the emergency plan () | 0.8400 | 0.1103 | 0.0202 | the city emergency plan () | 0.7867 | 0.1393 | 0.0201 |
the city emergency related laws and regulations () | 0.6075 | 0.1067 | 0.0027 | ||||||||
the emergency management mechanism () | 0.8800 | 0.1003 | 0.0153 | the decision-making and disposal mechanism () | 0.8267 | 0.1025 | 0.0127 | ||||
the information reporting mechanism () | 0.8267 | 0.1025 | 0.0127 | ||||||||
the emergency linkage mechanism () | 0.4667 | 0.1170 | 0.0112 | ||||||||
the recovery and reconstruction mechanism () | 0.7333 | 0.1281 | 0.0159 | ||||||||
emergency support () | 0.8333 | 0.1727 | 0.0337 | the number of city professional rescue workers () | 0.7667 | 0.1281 | 0.0159 | ||||
the frequency of emergency drills () | 0.5333 | 0.1170 | 0.0112 | ||||||||
the city rescue material reserves () | 0.8200 | 0.1136 | 0.0152 |
Total Score of Index System Evaluation | City Safety Resilience Level |
---|---|
0 ≤ R < 60 | Unqualified |
60 ≤ R < 70 | Very poor |
70 ≤ R < 80 | General, |
80 ≤ R < 90 | Good |
90 ≤ R < 100 | Excellent |
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Pei, J.; Liu, W.; Han, L. Research on Evaluation Index System of Chinese City Safety Resilience Based on Delphi Method and Cloud Model. Int. J. Environ. Res. Public Health 2019, 16, 3802. https://doi.org/10.3390/ijerph16203802
Pei J, Liu W, Han L. Research on Evaluation Index System of Chinese City Safety Resilience Based on Delphi Method and Cloud Model. International Journal of Environmental Research and Public Health. 2019; 16(20):3802. https://doi.org/10.3390/ijerph16203802
Chicago/Turabian StylePei, Jingjing, Wen Liu, and Lu Han. 2019. "Research on Evaluation Index System of Chinese City Safety Resilience Based on Delphi Method and Cloud Model" International Journal of Environmental Research and Public Health 16, no. 20: 3802. https://doi.org/10.3390/ijerph16203802