Abstract
Alluvial fans are grouped in buildings which can provide important evidence of tectonic and climatic changes [1], Shahrud-Bastam area as structure point is located between Eastern Alborz structural zones in the north and central Iran structural zone in the south. In this study, we have measured 16 indicators morphotectonic on 79 alluvial fans and 46 catchments, according to the results of the measurements of morphometric parameters of alluvial basins and watershed, we find out that Qods-Armiyan’s fault zone has the most of tectonic activity between Tazareh and Shahrud fault regions. According to the index As, the development of alluvial fans often has a direct relationship with Level rise, which has a particular importance in the study field.
Highlights
In this study, we have examined the morphology of alluvial fans, and this examination has taken place in Meyamey fault zone located on the southern slopes of the eastern Alborz and Central Iran
Alluvial fans are grouped in buildings which can provide important evidence of tectonic and climatic changes [1], Shahrud-Bastam area as structure point is located between Eastern Alborz structural zones in the north and central Iran structural zone in the south
We have measured 16 indicators morphotectonic on 79 alluvial fans and 46 catchments, according to the results of the measurements of morphometric parameters of alluvial basins and watershed, we find out that Qods-Armiyan’s fault zone has the most of tectonic activity between Tazareh and Shahrud fault regions
Summary
We have examined the morphology of alluvial fans, and this examination has taken place in Meyamey fault zone located on the southern slopes of the eastern Alborz and Central Iran. The geographical location of the study area is ̊30'00'' to ̊30'00'' east longitude and 36 ̊00'00'' to 36 ̊30'00'' north latitude (Figure 1). The most important research taking place in the region is research [4], with the study of earthquakes in the twentieth century, he managed to divided Alborz into several seismic states and concluded that seismic activity in Alborz can be shown short time activities. [6] concluded that the highest movement is potential in the area, mainly fault zones in north of Semnan and Sorkhe. [7] concluded that the fault is along the East-Northeast Meyamey steep slope to the south, and has a reverse mechanism with right turn slip component. This study will fallow measuring 16 indicators morphotectonic on 79 alluvial fans and 46 catchments by using indexes of morphotectonic methods (Table 1)
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