Estimation of radiant flux and radiation balance in the summer months for electricity supply to villages in Chalus Township using Landsat satellite images

Maleki Masoomabad, Lotfollah; Mohammadzadeh ShishehGaran, Maryam

Estimation of radiant flux and radiation balance in the summer months for electricity supply to villages in Chalus Township using Landsat satellite images

Document Type : Origional Article

Authors

Lotfollah Maleki Masoomabad ¹ ^¶

Maryam Mohammadzadeh ShishehGaran ²

¹ Assistant Professor, Department of Geography and Rural Planning, University of Mohaghegh Ardabili, Ardabil, Iran

² PhD student in Geomorphology, University of Mohaghegh Ardabili, Ardabil, Iran

Abstract

Background and Aim: City furniture is actually a manifestation of the aesthetics and identity of a society. Therefore, functional design, appropriate location, and proper and principled use of furniture in the city context are very important. Although city furniture is one of the most important categories of a city, it is not possible to equip and improve the current situation of this important thing at a time and simultaneously in all regions of a city; therefore, a comparative comparison in this regard can be effective and help urban managers perform better and make decisions in accordance with the priority of intervention at the level of each region. On this basis, the present study has been developed with the aim of a comparative study of the regions of Tabriz metropolis based on the components of city furniture.
Methodology: For this purpose, the relevant images were first obtained and the necessary pre-processing was applied to each. Then, the images were modeled. Initially, images from the year 2023 of the Landsat 8 satellite, the OLI sensor and the TIRS sensor, and the Sebal algorithm were used to conduct this research. ENVI software was used for geometric, atmospheric and radiometric corrections of satellite images and also for performing calculations related to the SEBAL model, and ArcGIS software was used for creating a database, spatial analyses, cartographic operations and finally implementing the model.
Results and Findings: The results show that the average of the highest incoming shortwave radiation was 769 watts per square meter in September and the lowest value was in the next month of August with 730 watts per square meter. And the lowest value was in July with 555 watts per square meter. The reason for this difference in radiation power in the amount of net radiation reaching the ground in the study area is due to the difference in the angle of the sun's rays and the number of sunny hours in different months of the year. It can be concluded that solar radiation from the radiation threshold to 1000 watts per square meter is received, it can be concluded that solar radiation and radiation balance in the villages of Chalus Township have the potential to provide electricity in a suitable way.

Keywords

Radiant flux

discrete window algorithm

land surface temperature

Chalus

Landsat images

Subjects

Rural Planning

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