تحليل فضايي شبكه شهري و شهرنشيني استان آذربايجان شرقي با استفاده از GIS

Spatial analysis of urbanization and urban network of East Azarbaijan province using theGIS

ﻫﺪف اﯾﻦ ﭘﮋوﻫﺶ ﺑﺮرﺳﯽ ﺗﻐﯿﯿﺮات ﻧﻈﺎم ﺳﻠﺴﻠﻪ ﻣﺮاﺗﺐ ﺷﻬﺮي و ﺟﻬﺖ ﺗﻮزﯾﻊ ﺟﻤﻌﯿﺖ اﺳﺘﺎن آذرﺑﺎﯾﺠﺎن ﺷﺮﻗﯽ در دورة زﻣﺎﻧﯽ )1390- 1375( اﺳﺖ.ﺟﺎﻣﻌﮥ آﻣﺎري ﭘﮋوﻫﺶ ﻧﻘﺎط ﺷﻬﺮي آذرﺑﺎﯾﺠﺎن ﺷﺮﻗﯽ ،روش ﺗﺤﻘﯿﻖ ﺗﻮﺻﯿﻔﯽ- ﺗﺤﻠﯿﻠﯽ ، ﻣﺪل ﻫﺎي ﺑﻪ ﮐﺎر رﻓﺘﻪ، ﻣﺪل رﺗﺒﻪ اﻧﺪازه و ﺷﺎﺧﺺ ﻫﺎي ﻧﺨﺴﺖ ﺷﻬﺮي ﺑﺮ ﭘﺎﯾﻪ ﻧﺮم اﻓﺰار ﺳﯿﺴﺘﻢ اﻃﻼﻋﺎت ﺟﻐﺮاﻓﯿﺎﯾﯽ GIS ﻣﻮﺳﻮم ﺑﻪ اﻟﮕﻮي ﻓﯿﺶ ﻧﺖ و اﻟﮕﻮي ﺗﻮزﯾﻊ ﺟﻬﺖ دار ﻣﯽ ﺑﺎﺷﺪ. روش ﮔﺮدآوري اﻃﻼﻋﺎت ﺑﺮاﺳﺎس آﻣﺎر ﻣﺴﺘﺨﺮج از ﺳﻪ دوره ﺳﺮ ﺷﻤﺎري اﺳﺖ. ﯾﺎﻓﺘﻪ ﻫﺎي ﺗﺤﻘﯿﻖ ﺑﯿﺎﻧﮕﺮ آن اﺳﺖ ﮐﻪ در ﻧﻈﺎم ﺷﻬﺮي اﺳﺘﺎن ﻃﯽ ﺳﺎ ﻟﻬﺎي )1375- 1390( ﻋﺪم ﺗﻌﺎدل ﺑﺮﻗﺮار ﺑﻮده و ﺗﻤﺮﮐﺰ ﺟﻤﻌﯿﺖ و ﻓﻌﺎ ﻟﯿﺘﻬﺎ در ﺷﻬﺮ ﺗﺒﺮﯾﺰ و اﻓﺰاﯾﺶ ﻣﻘﯿﺎس ﻓﻀﺎﯾﯽ ﺷﻬﺮ در ﮐﻞ ﻣﻨﻄﻘﻪ ﺗﻤﺎم ﻓﻌﺎﻟﯿﺖ ﻫﺎي اﺟﺘﻤﺎﻋﯽ- اﻗﺘﺼﺎدي ﻣﻨﻄﻘﻪ ﺷﻬﺮي را ﺗﺤﺖ ﺗﺄﺛﯿﺮ ﻗﺮارداده و ﻣﻮﺟﺐ ﺗﺮاﮐﻢ ﻓﻀﺎﯾﯽ،ﮐﺎرﮐﺮد ﻫﺎي ﻣﻨﻄﻘﻪ اي ﺑﺎ ﻣﺮﮐﺰﯾﺖ ﺗﺒﺮﯾﺰ ﮔﺮدﯾﺪه اﺳﺖ. ﻫﻤﭽﻨﯿﻦ ﺑﺮرﺳﯽ ﻣﯿﺰان ﺗﻮزﯾﻊ ﺟﻤﻌﯿﺖ ﺑﺮ اﺳﺎس اﻟﮕﻮي ﻓﯿﺶ ﻧﺖ و ﺗﻮزﯾﻊ ﺟﻬﺖ دار ﻧﺸﺎن دﻫﻨﺪه آن اﺳﺖ ﮐﻪ در ﺳﺎل 1375 ﻣﯿﺰان ﺗﻮزﯾﻊ ﺟﻤﻌﯿﺖ ﻣﺘﻌﺎدل ﺑﻮده وﻟﯽ در ﺳﺎل 1385 ﺑﻪ ﺗﺮﺗﯿﺐ ﺷﻬﺮﻫﺎي ﺑﻨﺎب، ﻣﻠﮑﺎن، ﻟﯿﻼن، ﻋﺠﺐ ﺷﯿﺮ و در ﺳﺎل 1390 ﺷﻬﺮﻫﺎي ﺗﺒﺮﯾﺰ، ﺑﻨﺎب، ﻣﻠﮑﺎن، ﻟﯿﻼن ، ﻋﺠﺐ ﺷﯿﺮ ﺑﯿﺸﺘﺮﯾﻦ ﻣﯿﺰان ﺟﻤﻌﯿﺖ را داﺷﺘﻪ اﻧﺪ ﻫﻤﭽﻨﯿﻦ ﺟﻬﺖ ﺗﻮزﯾﻊ ﺟﻤﻌﯿﺖ در اﺳﺘﺎن آذرﺑﺎﯾﺠﺎن ﺷﺮﻗﯽ در ﻃﯽ ﺳﺎل ﻫﺎي )1390- 1375( از ﺟﻨﻮب ﻏﺮﺑﯽ ﺑﻪ ﺳﻤﺖ ﺷﻤﺎل ﺷﺮﻗﯽ ﺑﻮده اﺳﺖ.

The purpose of this study is to investigate changes in the system of urban hierarchy and to distribute the population of the East Azarbaijan province during the period (1996-2011). Statistical population of the research is East Azarbaijan urban areas, descriptive-analytical research method, used models, ranking model and urban indexes based on the GIS software called the Fisheye pattern and distribution pattern. The data gathering method is based on the available statistics from three overviews. The results of the research indicate that in the urban system of the province during the period (1996-2011) there is an imbalance and the concentration of population and activists in Tabriz city and increasing the spatial scale of the city in the whole regionall the socio-economic activities of the metropolitan area The effects of the spatial density and regional functions with the center of Tabriz have been investigated. Also, the population distribution based on the shape of the net shell and the directional distribution indicates that in 1996 the population distribution was balanced, but in 2006, respectively The cities of Bonab, Malekan, Lilan, Ajabshir and in 2011 the cities of Tabriz, Bonab, Malekan, Lilan, Ajabshir Most of the population were also distributed to the population in East Azerbaijan province in years (1996-2011) has been from the southwest to the northeast.