| چکیده انگلیسی مقاله |
Soil is one of the most important elements of nature and the most valuable substrate of production for human beings.the most important factor that threatens the existence of soil is erosion.Today, remote sensing application in environmental studies has been widely welcomed worldwide due to its time and cost savings and more accurate results than traditional methods and has been used as a powerful and inexpensive tool to manage the assessment and management of terrestrial phenomena and resources (Xiaoming et al, 2010). Remote sensing according to its advantages and features, including detection of terrestrial phenomena and phenomena without interference and physical contact with the application of electromagnetic radiation to the surface of the terrain and recording the reflected wave by sensors, the possibility of general and partial visibility in the area provide (Alavi Panah, 2003). On the other hand, these images can be converted into digital maps with the help of spatial information system that have different applications in earth sciences.The use of such assets is related to all earth phenomena such as vegetation, soil, rocks, minerals and water (Ahmadi, 2012). In this study, which is located in the geographical area of dez dam, we estimated the sediment concentration using satellite images (such as landsat and sentinel) using appropriate algorithms and calibrated the results obtained from satellite images with the measured field data to estimate the suspended sediment concentration. |
