scholarly journals Bayesian Spatial and Trend Analysis on Ozone Extreme Data in South Korea: 1991–2015

2020 ◽  
Vol 2020 ◽  
pp. 1-11
Author(s):  
Cheru Atsmegiorgis Kitabo
Keyword(s):  
South Korea ◽  
Ozone Concentration ◽  
Statistical Models ◽  
Mean Squared Error ◽  
Extreme Temperature ◽  
Return Level ◽  
Positive Trend ◽  
Bayesian Kriging ◽  
Ozone Data ◽  
The World

Background. Extreme events like flooding, extreme temperature, and ozone depletion are happening in every corner of the world. Thus, the need to model such rare events having enormous damage has been getting priorities in most countries of the world. Methods. The dataset contains the ozone data from 29 representative air monitoring sites in South Korea collected from 1991 to 2015. Spatial generalized extreme value (GEV) using maximum likelihood estimation (MLE) and two max-stable and Bayesian kriging models are the statistical models used for analysis. Moreover, predictive performances of these statistical models are compared using measures like root-mean-squared error (RMSE), mean absolute error (MAE), relative bias (rBIAS), and relative mean separation (rMSEP) have been utilized. Results. From the time plot of ozone data, extreme ozone concentration is increasing linearly within the specified period. The return level of ozone concentration after 10, 25, 50, and 100 years have been forecasted and showed that there was an increasing trend in ozone extremes. High spatial variability of ozone extreme was observed, and those areas around the territories were having extreme ozone concentration than the centers. Moreover, Bayesian Kriging brought about relatively the minimum RMSE compared to the other models. Conclusion. The extreme ozone concentration has clearly showed a positive trend and spatial variation. Moreover, among the models considered in the paper, the Bayesian Kriging has been chosen as the better model.

The Irresistible Rise of Asian Cinema 1

1994 ◽  
Author(s):  
Gerald Pratley
Keyword(s):  
Hong Kong ◽  
South Korea ◽  
Motion Pictures ◽  
The Philippines ◽  
New Wave ◽  
World Today ◽  
The World ◽  
Production Activity ◽  
Exciting Development ◽  
Asian Cinema

PRODUCTION ACTIVITY It was not so many years ago it seems when speaking of motion pictures from Asia meant Japanese films as represented by Akira Kurosawa and films from India made by Satyajit Ray. But suddenly time passes and now we are impressed and immersed in the flow of films from Hong Kong, Taiwan, China, South Korea, the Philippines, with Japan a less significant player, and India and Pakistan more prolific than ever in making entertainment for the mass audience. No one has given it a name or described it as "New Wave," it is simply Asian Cinema -- the most exciting development in filmmaking taking place in the world today. In China everything is falling apart yet it manages to hold together, nothing works yet it keeps on going, nothing is ever finished or properly maintained, and yes, here time does wait for every man. But as far...

Risk Comparison of Karachi Stock Exchange with Next Eleven Countries: A Country Beta Approach

2014 ◽  
Vol 4 (1) ◽  
pp. 202
Author(s):  
Aqeel Abbas ◽  
Sajjad Ahmad Baig ◽  
Muhammad Zia-ur-Rehman ◽  
Muhammad Abrar
Keyword(s):  
South Korea ◽  
Stock Exchange ◽  
Country Risk ◽  
Stock Exchanges ◽  
Global Index ◽  
The World ◽  
Better Than

This study is based on the Country risk of different stock exchanges of the world. Here Country risk is derived from the Country Beta Approach, as this approach is described by the Erb, Harvey and Viskanta (1996). Specifically, this study is based on the risk comparison of KSE 100 with next eleven countries (South Korea, Iran, Mexico, Philippine, Indonesia, Turkey, Egypt, Nigeria, Pakistan, Vietnam and Bangladesh), which are defined by the Goldman Sachs (2005). For this purpose, the stock exchange's data of these countries is compared with the global index. Actually, the global index is consisted on the 44 countries of the world. Here only one factor is discussed, which is a country risk (country beta). Actually the riskiness is measured in this study on the basis of beta, higher the beta means higher the risk; lower the beta means low the risk. The result shows that the performance of KSE is much better than the next eleven economies but Nigerian stock exchange has less risk than the KSE 100.

scholarly journals ESports: a Review of Foreign and Russian Media Resources

2021 ◽  
Vol 26 (2) ◽  
pp. 325-330
Author(s):  
Alina G. Chernyavskaya
Keyword(s):  
South Korea ◽  
Internet Resources ◽  
The World ◽  
The Usa ◽  
Russian Media ◽  
Video Format ◽  
Resources Development ◽  
Media Market

Millions of people all over the world watch ESports matches and follow the news about favourite teams and players. Due to the COVID-19 pandemic ESports market has received unprecedented growth of audience. The present paper is aimed at exploring and comparing specific features of ESports internet resources development around the world. The author observes the most visited ESports sites in such countries as South Korea, China, the USA, and Russia. Also, this article examines website traffic statistics to analyze the popularity of ESports internet resources among an audience. The data is based on the number of views and visitors for each country during the day, month, and year. The study showed that the Asian ESports media market prefers to use video format for providing content compared to the USA and Russia. The USA and Russia still use text and video formats.

scholarly journals SEIR Modeling of the Italian Epidemic of SARS-CoV-2 Using Computational Swarm Intelligence

2020 ◽  
Author(s):  
Alberto Godio ◽  
Francesca Pace ◽  
Andrea Vergnano
Keyword(s):  
Particle Swarm Optimization ◽  
South Korea ◽  
Stochastic Approach ◽  
Medium Term ◽  
Swarm Optimization ◽  
Community Mobility ◽  
Italian Regions ◽  
The World ◽  
Model Equations ◽  
Official Data

We applied a generalized SEIR epidemiological model to the recent SARS-CoV-2 outbreak in the world, with a focus on Italy and its Lombardia, Piemonte, and Veneto regions. We focus on the application of a stochastic approach in fitting the model numerous parameters using a Particle Swarm Optimization (PSO) solver, to improve the reliability of predictions in the medium term (30 days). We analyze the official data and the predicted evolution of the epidemic in the Italian regions, and we compare the results with data and predictions of Spain and South Korea. We link the model equations to the changes in people’s mobility, with reference to Google’s COVID-19 Community Mobility Reports. We discuss the effectiveness of policies taken by different regions and countries and how they have an impact on past and future infection scenarios.

scholarly journals Assessment of Seasonal Variability of Extreme Temperature in Mainland China under Climate Change

2021 ◽  
Vol 13 (22) ◽  
pp. 12462
Author(s):  
Wei-Xiong Yan ◽  
Jun-Fang Zhao ◽  
Jian-Ping Li ◽  
Yun-Xia Wang
Keyword(s):  
Annual Cycle ◽  
Seasonal Cycle ◽  
Mainland China ◽  
Extreme Temperature ◽  
Spatial Characteristic ◽  
Maximum Temperature ◽  
Positive Trend ◽  
Extreme Temperatures ◽  
Annual Average ◽  
Temperature Seasonality

Some studies have suggested that variations in the seasonal cycle of temperature and season onset could affect the efficiency in the use of radiation by plants, which would then affect yield. However, the study of the temporal variation in extreme climatic variables is not sufficient in China. Using seasonal trend analysis (STA), this article evaluates the distribution of extreme temperature seasonality trends in mainland China, describes the trends in the seasonal cycle, and detects changes in extreme temperature characterized by the number of hot days (HD) and frost days (FD), the frequency of warm days (TX90p), cold days (TX10p), warm nights (TN90p), and cold nights (TN10p). The results show a statistically significant positive trend in the annual average amplitudes of extreme temperatures. The amplitude and phase of the annual cycle experience less variation than that of the annual average amplitude for extreme temperatures. The phase of the annual cycle in maximum temperature mainly shows a significant negative trend, accounting for approximately 30% of the total area of China, which is distributed across the regions except for northeast and southwest. The amplitude of the annual cycle indicates that the minimum temperature underwent slightly greater variation than the maximum temperature, and its distribution has a spatial characteristic that is almost bounded by the 400 mm isohyet, increasing in the northwest and decreasing in the southeast. In terms of the extreme air temperature indices, HD, TX90p, and TN90p show an increasing trend, FD, TX10p, and TN10p show a decreasing trend. They are statistically significant (p < 0.05). This number of days also suggests that temperature has increased over mainland China in the past 42 years.

Sovereign Violence

2018 ◽  
Author(s):  
Steve Choe
Keyword(s):  
South Korea ◽  
Ethical Dilemmas ◽  
Film Theory ◽  
Comprehensive Analysis ◽  
Domestic Market ◽  
Primary Sources ◽  
Neoliberal Globalization ◽  
South Korean ◽  
World Today ◽  
The World

South Korea is home to one of the most vibrant film industries in the world today, producing movies for a strong domestic market that are also drawing the attention of audiences worldwide. This book presents a comprehensive analysis of some of the most well-known and incendiary South Korean films of the millennial decade from nine major directors. Building his analysis on contemporary film theory and philosophy, as well as interviews and other primary sources, Steve Choe makes a case that these often violent films pose urgent ethical dilemmas central to life in the age of neoliberal globalization.

Urban Competitiveness, U-City Strategies and the Development of Technological Niches in Songdo, South Korea

2012 ◽  
pp. 833-852 ◽  
Author(s):  
Luís Carvalho
Keyword(s):  
Economic Development ◽  
South Korea ◽  
Ubiquitous Computing ◽  
Local Economic Development ◽  
Development Strategies ◽  
Urban Competitiveness ◽  
Political Discourses ◽  
The World ◽  
Economic Development Strategies

This chapter is concerned with the recursive conflation between the concept of city competitiveness in ICT and different versions of the “knowledge city” concept based on ICT and digitalization, often responsible for ambiguous political discourses and unclear local economic development strategies. To overcome this problem, the chapter distinguishes both concepts, indentifies links between them and illustrates a way through which national and local polices can support ICT-related city competitiveness and knowledge city strategies: the development of innovation arenas. The chapter illustrates these notions with the case of the on-going development of the Songdo district in Incheon (South Korea), its competences in ubiquitous computing and the connection between this technological prowess with the ambitions of creating one of the first and most advanced “u-cities” in the world.

3. Why are some countries rich and others poor?

2018 ◽  
pp. 31-45
Author(s):  
Ian Goldin
Keyword(s):  
Economic Growth ◽  
Twentieth Century ◽  
South Korea ◽  
Natural Resource ◽  
First Century ◽  
Late Nineteenth Century ◽  
The World ◽  
Late Nineteenth ◽  
Almost All ◽  
Development Trajectories

‘Why are some countries rich and others poor?’ considers various theories of economic growth, including Robert Solow’s widely used 1956 model, and charts the uneven development of countries around the world from the late nineteenth century, through the twentieth century, and into the twenty-first century. Some countries, such as Japan and South Korea, have seen miraculous economic growth, whereas countries such as Argentina and Uruguay have not experienced expected levels of growth. The factors that affect development trajectories include natural resource endowments, geography, history, institutions, politics, and power. While overall levels of poverty have declined, levels of inequality are rising in almost all countries.

scholarly journals Exploring Outdoor Solar Potential in High-Density Living: Analyzing Direct Sunlight Duration for Urban Agriculture in Seoul’s Residential Complexes

Energies ◽  
2018 ◽  
Vol 11 (8) ◽  
pp. 2030
Author(s):  
Hyungkyoo Kim ◽  
Kyung Lee ◽  
Jae Lee ◽  
Saewon Lee
Keyword(s):  
South Korea ◽  
Urban Agriculture ◽  
Ground Level ◽  
High Density ◽  
Direct Sunlight ◽  
Residential Developments ◽  
The World ◽  
Feasible Solutions ◽  
The Impact ◽  
Diverse Density

Urban agriculture has become a favored activity in many cities around the world. This study explores how urban agriculture’s potential can be maximized in Seoul, South Korea, a city characterized by high-density residential complexes. It selects six existing residential complexes with representative site typologies and diverse density levels. The study’s aim is to assess the impact of various typology and density settings on percentages of ground-level surface with direct sunlight above certain thresholds during warmer seasons when crops can grow. DIVA-for-Rhino is used for simulation. The findings suggest that parallel typologies and lower density levels offer the best performance, while other combinations show mixed results. This study could benefit citizens and policymakers to facilitate urban agriculture practices around the world by suggesting feasible solutions for high-density residential developments.

‘We Intend to Move Together in Moving the World’

Exchange ◽  
2016 ◽  
Vol 45 (1) ◽  
pp. 38-65
Author(s):  
Huub Vogelaar
Keyword(s):  
South Korea ◽  
Personal Account ◽  
World Council Of Churches ◽  
The World ◽  
World Council ◽  
Strong Commitment

The words ‘we intend to move together’ were expressed in the Message of the Assembly of the World Council of Churches (wcc) held in Busan, the second largest city of South Korea. It was a nuanced version of the original phrase of the first Assembly which took place in Amsterdam in 1948 expressing the strong commitment ‘we intend to stay together’. How the 345 member churches of the wcc plan to move together in the upcoming seven years till the next assembly is done in a so-called pilgrimage of justice and peace also communicated in the Message of the Assembly. Below we describe the main characteristics of the vivid 10th assembly, its appealing contexts, as well some of its outcomes. This article will however not comprise the missionary aspects of the assembly. Besides the study of assembly papers my review is also partly a personal account as I took part in the Busan Assembly with a media accreditation.

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