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Feb 25, 2025Open Access
As of 2005, the city of Saidia has undergone substantial urban expansion, which has led to the Tazgrarte Forest, a major urban green space, not just for the citizens but also for tourists alike, to decline in urban forests. In this regard, this research aims to assess the differences in the forest cover of Tazgrarte Forest from the period of 2005-2025, concentrating on the impact of urban expansion at three critical points in time: 2005, 2015 and 2025. Forested area reduction and urban growth dy...
Feb 10, 2025Open Access
Shanxi Province, a leading coal-producing region in northern China, holds abundant reserves of bituminous and subbituminous coal critical to the nation’s energy sector. However, extensive coal mining has left behind Goaf areas underground voids and fractured zones that pose serious safety hazards and environmental risks. These challenges require innovative approaches to ensure sustainable resource management and ecological protection. This work aims to enhance the exploration and management of G...
Sep 26, 2024Open Access
In exploring the enigmatic characteristics of the cosmos, this article introduces the “Dead Universe” theory, a profound reimagining of cosmic genesis and structure. It posits that our current observable universe is not an isolated phenomenon but rather a consequence of a much larger, older universe that has undergone a comprehensive collapse. This predecessor, termed the “Dead Universe,” is theorized to exceed the observable cosmos in scale dramatically, enveloping it in a perpetual state of de...
Apr 22, 2024Open Access
Determining the coordinates of earthquakes is a priority task in seismically active regions, the accuracy of which is subject to ever-increasing demands. The accuracy and completeness of the data determine the correctness of solving prognostic and structural problems of modern seismology, as well as problems of geodynamics of seismic regions. The work analyzes the registration and processing of Republic Armenia (RA) seismological data. It has been shown that the accuracy of processing Republic A...
Mar 27, 2024Open Access
Geological disasters occur frequently in China, and large-scale debris flow events have caused serious threats to people’s lives and property. Debris flow has the characteristics of high density and high velocity, especially the presence of large block in debris flow, which makes debris flow a great threat to engineering structures. In order to investigate the movement patterns of flat-shaped block in debris flow, a small-scale flume experiment with precise control was carried out. In the experi...
Apr 20, 2023Open Access
In order to serve the research of shale gas reservoir gas content and improve the prediction effect of shale gas reservoir gas content, this paper compares the factors influencing the gas content of shale gas reservoir and general prediction methods, and carries out the analysis of the factors influencing the gas content of shale gas and the response of sensitive logs in M1 well area, determines the main controlling factors of shale gas content, and establishes the prediction model of shale gas ...
Sep 14, 2022Open Access
This paper presents the results of research that evaluated the wind potential based on the growing trend of the search for green energy and prospects for the exploitation of this type of energy source in different municipalities in Rio de Janeiro state, Brazil. Average wind speed data were collected daily from 17 automatic stations provided by the Instituto Nacional de Meteorologia (INMET) for one year, from September 22, 2020 to September 22, 2021; it calculated, in sequence, the seasonal avera...
Jul 20, 2022Open Access
This paper aims to study the magnetic data collected in block 10B of the central basin in the Democratic Republic of Congo. This block includes lineaments mainly of internal geodynamic origin. This is work that further deepens knowledge of the lineaments of the central basin, although analyzes and maps for oil research purposes remain complex (location, detection techniques, and enhancements). The lineaments play great importance in mining prospecting than in oil prospecting. Because often the l...
Apr 30, 2021Open Access
We met terrain as the core of our existence therefore good understanding of the topography and other environmental settings improves safety. Mapping and visualization of terrain variable are the bedrock for understanding, protection, management and meaningful development of the physical environment. Integration of remote sensing (RS) and geographic information system (GIS) techniques has proved to be force for sustainable development. Therefore, the aim of this study is to demonstrate how RS and...
Aug 24, 2020Open Access
This paper presents the analysis of temporal variations of the geomagnetic field in the municipality of Macaé, Brazil. Current and historical magnetic field from the IGRF (International Geomagnetic Reference Field) and Gufm1 models were used to construct two-dimensional maps from 1590 to 2019. Analysis of the maps revealed that there was a large decrease in total magnetic field magnitude from around 48,000 nT in 1590 to 23,000 nT in 2019, i.e., a decrease of more than 50%. This decrease was inte...
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