مجله کاربرد سیستم اطلاعات جغرافیایی و سنجش از دور در برنامه ریزی
سال یازدهم شماره 4 (پیاپی 42، زمستان 1399)

Image fusion is the process of integrating the information from a set of images in an image, as the fused image contains more useful information than any input data. The aim of remotely sensed image fusion is integration of information that obtained from sensors with different spatial, spectral and temporal resolution in order to get an image with more detail than any individual data. In the fusion process, output image is a combination of important features of two or more input data. The aim of this study was to evaluate the performance of discrete wavelet transform in fusion of hyperspectral and high resolution images. For this purpose, a window of images of Hyperion, ALI and OrbView3 sensors was selected. First, the Hyperion image was corrected for unusable bands and strip noise. Panchromatic band of ALI sensor was used for geometric correction and registration of hyperion image. The hyperion image transformed into a 10 m pixel image using the sampling operation and fused with the ALI image using the Gram-Schmit algorithm. Using the OrbView3 image, the results was captured on the fused image, then both images were converted to 4-pixel pixel size using the resampling operation. The OrbView3 image was decomposed into four levels using a HAAR wavelet and used for fusion procedure. The results showed that with increased level of image decomposition, the accuracy and precision of the integration increases.

Today, one of the most important measures of municipalities is the electronicity of urban services. The use of urban services has many benefits such as reducing air pollution, reducing traffic, reducing fuel consumption, reducing costs, accelerating the work and dozens of other benefits. Addressing these ICT discussions creates new opportunities for the municipality, while not paying attention to it in addition to losing opportunities can become a threat. Municipalities, as one of the organizations that provide the most services to citizens, can take effective steps to create cities and electronic citizens by electronicizing their services, as well as encouraging others to provide and use urban management services. This study was conducted in 2017. The type of research is applied and its method is descriptive survey. The collected data were obtained through field, library and descriptive data collection method. The sample size was determined to be 385 people using kressi and morgan decision making model table. The sample members were selected by available sampling method. The data collection tool is a questionnaire and the use of databases of internet sites. The questionnaires were distributed and completed among the citizens of The city of Semnan. One-sample t-test and binomial nonparametric test were used to investigate the hypotheses. The data were analyzed by SPSS software

The purpose of this study is to assess and manage the risk of sports venues related to air pollution zoning using GIS. This research is cross-sectional in terms of execution time and applied in terms of outputs, and descriptive-analytical and comparative in terms of analysis. In this study, sports venues in the northwest of Tehran were surveyed in total. In order to enter the data, kriging method was used. After estimating the average data concentration of pollutants, zoning was performed for all stations using Kriging method by ArcGIS software. The basis for measuring the amount of pollutants was adjusted based on the Air Quality Index (AQI). The results showed that the air quality index was healthy throughout the study area but no clean study areas (0-50) were reported. Pollutants showed that the distribution of pollutants did not follow a balanced pattern. The relationship with risk assessment using the William Fine method is a risk rating of 150, which indicates the state of emergency and the "average risk level" and it is necessary to pay attention as soon as possible. They are fossils and are the most important pollutants. Therefore, in order to reduce air pollution, urban constructions, design of networks and communication axes should be considere

In the electricity industry, the privacy of power lines is the hypothetical range on either side of the power transmission line that is determined in order to maintain the lines for the continuity of power supply and also to prevent human damage caused by electricity radiation. Respect for this privacy is essential for all individuals. The privacy of power lines is technically derived from three factors: magnetic, mechanical and electrical, and the amount and method of determining the privacy of power transmission lines in different countries is different, and in each country different distances are set according to the factors involved in determining privacy. In Iran, the amount of privacy of power transmission and distribution lines is determined based on the approval No. 29052 dated 8/10/1347. In this article, using the rules and executive instructions of the power transmission line route, the condition of the towers as well as the observance of the relevant boundaries in the study area of Semnan city has been studied. The results show that in terms of privacy, most of the power towers in the study area are in relatively good condition. Examples of the reviewed documents, including privacy and non-compliance, have been provided along with the relevant maps to eliminate intrusion.

Selecting a location is a very important decision for firms because they are costly and difficult to reverse. A poor choice of location might result in excessive transportation costs, loss of qualified labor, competitive advantage or some similar condition that would be detrimental to operations.This paper proposed integration between MCDM model represented by ANP with GIS to propose the best location for construction of a new bank branch and then using maximal covering location problem to select branches that the maximum demand might be reached within a pre-specified target travel time. Bank branch location is one of the most significant strategic issues in the competitive market. In this paper, a Geographic Information System (GIS) based model for locating suitable sites is presented to make new branches, and then maximal covering location problem (MCLP) is used to select branches such that the maximum demand might be reached within a pre-specified target travel time. The model was implemented for Mehr Eqtesad bank in Arak city, Iran. In the future research, it is recommended to study reconstruction of bank branches. Moreover, applying this model on more complex problems is a challenging area for future studies.

Tectonically active areas when release hydrogen peroxide (H2O2) it can kill the COVID 19 virus naturally in the environment. COVID 19 contaminations can be controlled by identifying tectonically active areas in India and other similar terrain globally. Using high resolution satellite data it is possible to infer the changes in the surface manifestations in terms of changes in, vegetation vigor, lineament and other landform features. Thermal scanners by drones and field observations can identify potential fractures and faulted areas to release hydrogen peroxide (H2O2). In ferruginous quartzite, granite and other hard rocky terrain the natural release of hydrogen peroxide by micro tremor in presence of moisture content can mitigate the Corona virus by killing it insitu naturally as public health medicine. If this hypothesis is proved experimentally it will be a new finding and a great relief to the humanity across the world.National Capital Region of India has shown influence of neotectonic activities, which has changed the groundwater quality in Delhi Haryana region. Monitoring of stress within bedrocks along active fault zones have been under observation for detecting premonitory earth quake signals. Common crustal high grade metamorphic and igneous rocks contain peroxy defects which remain dormant until the rock experiences stress. These stress-activated defects form highly reactive oxygen species (ROS) which produce electric currents. At the rock-water interface, the ROS can combine with groundwater to produce hydrogen peroxide giving an indirect measure of the underlying rock stress along active fault planes within hard rock aquifers and deep thermal springs1. Disruption within the ground layers can influence both the quality and quantity of groundwater within aquifers. This change can be brought about due to mixing of water between different aquifers, influx of water from surrounding areas, changes in dissolved gas concentrations and mineral dissolution at the rock-water interface or through the infiltration of pollutants from soil or ground surface,