علمی - پژوهشی
Comparison of the efficiency of local climatic zone algorithm in separating built-up area compared ‎to built-up indices

Najme Satari; Malihe Erfani; FATEMEH Jahanishakib

Volume 15, Issue 4 , February 2024

https://doi.org/10.48308/gisj.2022.102576

Abstract
  Trend analysis of growth of cities and predicting their changes in the future are essential for spatial ‎planning. For this purpose, it is necessary to map build-up areas. In many areas, especially in arid ‎climate, it is not possible to separate the build-up areas from the surrounding land cover ...  Read More

علمی - پژوهشی
Improving the accuracy of ground surface ozone concentration estimation using satellite products and machine learning

Rasoul Atashi Deligani; Mina Moradizadeh; Behnam Tashayo

Volume 15, Issue 4 , February 2024

https://doi.org/10.48308/gisj.2022.102758

Abstract
  Ground surface ozone is one of the most dangerous pollutants that has significant harmful effects on the residents of urban areas. The purpose of this study is to identify the factors affecting ozone concentration and modeling its changes using satellite data and different machine learning methods in ...  Read More

علمی - پژوهشی
Zoning of soil shear strength parameters (Case study: Kermanshah)

Hassan Sharafi; Reza Faraji

Volume 15, Issue 4 , February 2024

https://doi.org/10.48308/gisj.2022.102887

Abstract
  In order to know the site, obtaining soil strength parameters is necessary and at the same time costly and time-consuming. In this research, using 135 geotechnical boreholes drilled in Kermanshah, zonation of soil shear strength parameters (friction angle and cohesion) using ArcGIS software and ordinary ...  Read More

علمی - پژوهشی
An analysis of the trend changes in water resources and factors affecting it in the the central plateau of Iran using satellite products

Mohsen Ebrahimi; Zohre Ebrahimi-Khusfi

Volume 15, Issue 4 , February 2024

https://doi.org/10.48308/gisj.2022.102889

Abstract
  The Central Plateau of Iran, due to climate changes and the reduction of available water resources on one hand, and the increase in population and the consequent increase in demand on the other hand, is facing a severe water crisis. The science of remote sensing and the availability of numerous satellite ...  Read More

علمی - پژوهشی
Application of Sentinel-2 satellite data in investigating land cover changes in the bed of Anzali wetland

Maryam Haghighi Khomami; Mohammad Panahandeh; Mohammad javad tajaddod; Fariborz Jamalzad Fallah; Mahsa Abdoli

Volume 15, Issue 4 , February 2024

https://doi.org/10.48308/gisj.2022.102888

Abstract
  Wetlands as an integral part of the global ecosystem in flood prevention or mitigation, feeding aquifers and providing unique habitat for plants and animals and other services and benefits are key elements of a regional conservation strategy. Anzali International Wetland in Guilan Province is one of ...  Read More

علمی - پژوهشی
Evaluation of spatio-temporal downscaling algorithms of MODIS data to Sentinel-2 data in different land cover classes

Nahid Haghshenas; Ali Shamsoddini

Volume 15, Issue 4 , February 2024

https://doi.org/10.48308/gisj.2023.103096

Abstract
  Normally, images with a high resolution (temporal or spatial) are available, while there is a limitation in accessing images which are simultaneously high spatial and temporal resolution. While, in some applications, access to images with high spatial and temporal resolution is necessary. Therefore, ...  Read More

علمی - پژوهشی
effect of salt dust storms on the health of plants in the eastern basin of The Urmia Lake.

fariba gilreyhan; Khalil Valizadeh Kamran; davood mokhtari; ali akbar rasouli

Volume 15, Issue 4 , February 2024

https://doi.org/10.48308/gisj.2023.103099

Abstract
  Urmia Lake is one of the largest saltwater lakes in the world, which unfortunately is drying up and has caused many dangers and concerns, especially in relation to salt dust in its dried areas. Therefore, in this research, we tried to investigate the relationship between vegetation and dust in the cities ...  Read More