The outbreak of Coronavirus Disease 2019 (COVID-19) has affected the lives of 5,698,246 people globally. Originating in China, the virus progressed rapidly to other countries. The COVID-19 outbreak has mostly affected cities and seriously threatened citizens' health, the economy, and the infrastructures of the urban territories. Several states were relatively quick to deploy smart technology solutions to respond to the emergence of COVID-19. Existing and new digital technologies are proposed to supplement the traditional measures within the response to the first pandemic of the decade. The term smart technologies imply the Internet of Things (IoT), Big Data, and Artificial Intelligence. The focus of this paper was to propose smart technologies as a part of the solution toward reducing the spread of pandemics in urbanized areas. One of the aims was to find positive examples of the smart city implementation during the pandemics and show its usefulness in facing it. The possibility of using real-time data, thus conducting real-time action is their main advantage and that is why more cities should use this smart concept to respond to the global crises.
Landslides, Analytic hierarchy process (AHP), weighted overlay method, susceptibility mapping, GIS, Ljig.Landslides are one of the natural hazards that occur frequently in Serbia, causing huge loss of property every year, especially after heavy rainfall events. Due to the geological condition, rapid development activities and other inherent natural conditions, the Ljig municipality has been exposed to landslide hazards. Therefore, the present study concentrates on landslide susceptibility (LS) analysis in this area using the analytical hierarchy process (AHP) and geographic information system (GIS) weighted overlay method. The causative factors considered for the study (slope, geology, pedology, distance from roads, distance from river network, land cover and rainfall) were graded and the result was a map showing areas divided into five classes based on the possibility of landslide occurrence (from very low to very high). According to the landslide susceptibility area map, about 42% of the study area falls into high and very high susceptibility zones and approximately 44% of the area has medium susceptibility for landslide events. The results of this study can be a valuable input for slope management, land use planning and disaster management planning by the responsible authorities.
The global trend of increasing urbanization and motorization represents a major obstacle in the sustainable development and planning of cities. This trend did not bypass the city of Novi Sad (Serbia), which, despite good cultural and historical preconditions for the development of sustainable forms of transport, did not resist the sudden increase in the degree of motorization. The aim of this work is to present how favorable the existing structure of the city is for the development of sustainable types of traffic (mainly walking and cycling). Furthermore, this research aims to establish the link between bikeability and walkability and walking and cycling in the city through a survey questionnaire thus aiming to show how much the planned land use affects the increase or decrease in walkability and bikeability in the city of Novi Sad in order to establish whether the planning documents respect the principle of sustainability defined by law. The methodological procedure is adapted to European cities and the information base available in the researched area is based on the walkability and bikeability index. The results showed that the city of Novi Sad has the potential and morphology to support sustainable modes of transport, but the planning documents do not recognize the imperative of change towards sustainability.
The average temperature of the world over the past 100 years has risen by 0.6°C. The rising temperature will likely present a big challenge for society and the environment in the future. The population has the ability to respond to it in a variety of ways, especially nowadays when technology is evolving daily. In order to reduce the harmful impacts of climate change and allow communities to thrive in the face of it, adaptation strategies are needed. These strategies need to be accepted by local and national governments, households, and industry. This paper has aimed to derive information about each and discuss the best solution. A theory of smart cities, eco-city theory, city logistics, and sustainable cities are the main strategies whose concepts have upgraded urban planning and building design that can prevent climatic damage but are still consistent with the environment. Innovative cities in developed and developing countries have demonstrated that with the appropriate strategies resource efficiency can be economically enhanced while simultaneously reducing pollution and waste. It is shown that this way improves the quality of life and supports the development of a culture of sustainability.
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