scholarly journals Cool-roof effects on thermal and wind environments during heat waves: A case modeling study in Seoul, South Korea

Urban Climate ◽  
2022 ◽  
Vol 41 ◽  
pp. 101044
Author(s):  
Jong-Jin Baik ◽  
Hyejin Lim ◽  
Beom-Soon Han ◽  
Han-Gyul Jin
2020 ◽  
Vol 35 (2) ◽  
pp. 367-377
Author(s):  
Hyun-Ju Lee ◽  
Woo-Seop Lee ◽  
Jong Ahn Chun ◽  
Hwa Woon Lee

Abstract Forecasting extreme events is important for having more time to prepare and mitigate high-impact events because those are expected to become more frequent, intense, and persistent around the globe in the future under the warming atmosphere. This study evaluates the probabilistic predictability of the heat wave index (HWI) associated with large-scale circulation patterns for predicting heat waves over South Korea. The HWI, reflecting heat waves over South Korea, was defined as the vorticity difference at 200 hPa between the South China Sea and northeast Asia. The forecast of up to 15 days from five ensemble prediction systems and the multimodel ensemble has been used to predict the probabilistic HWI during the summers of 2011–15. The ensemble prediction systems consist of different five operational centers, and the forecast skill of the probability of heat waves occurrence was assessed using the Brier skill score (BSS), relative operating characteristics (ROC), and reliability diagram. It was found that the multimodel ensemble is capable of better predicting the large-scale circulation patterns leading to heat waves over South Korea than any other single ensemble system through all forecast lead times. We concluded that the probabilistic forecast of the HWI has promise as a tool to take appropriate and timely actions to minimize the loss of lives and properties from imminent heat waves.


2016 ◽  
Vol 2016 (1) ◽  
Author(s):  
Bo Yeon Kwon* ◽  
Kyunghee Jo ◽  
Eunil Lee ◽  
Seulkee Heo ◽  
Jinsun Kim
Keyword(s):  

2018 ◽  
Vol 85 ◽  
pp. 396-400 ◽  
Author(s):  
Hae-Cheol Kim ◽  
Yong-Sik Song ◽  
Yong Hoon Kim ◽  
Seunghyun Son ◽  
Jae-Gab Cho ◽  
...  

2020 ◽  
Vol 10 (2) ◽  
pp. 666 ◽  
Author(s):  
Daekyo Jung ◽  
Vu Tran Tuan ◽  
Dai Quoc Tran ◽  
Minsoo Park ◽  
Seunghee Park

In order to protect human lives and infrastructure, as well as to minimize the risk of damage, it is important to predict and respond to natural disasters in advance. However, currently, the standardized disaster response system in South Korea still needs further advancement, and the response phase systems need to be improved to ensure that they are properly equipped to cope with natural disasters. Existing studies on intelligent disaster management systems (IDSSs) in South Korea have focused only on storms, floods, and earthquakes, and they have not used past data. This research proposes a new conceptual framework of an IDSS for disaster management, with particular attention paid to wildfires and cold/heat waves. The IDSS uses big data collected from open application programming interface (API) and artificial intelligence (AI) algorithms to help decision-makers make faster and more accurate decisions. In addition, a simple example of the use of a convolutional neural network (CNN) to detect fire in surveillance video has been developed, which can be used for automatic fire detection and provide an appropriate response. The system will also consider connecting to open source intelligence (OSINT) to identify vulnerabilities, mitigate risks, and develop more robust security policies than those currently in place to prevent cyber-attacks.


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