The Preliminary Research On The Bohai Ancient City In Mudan River Basin

The Mudan river basin is not only the main distribution area of Bohai ancient city,but also the ruling center of Bohai kingdom.The northern capital Longquanfu which located in the Mudan river basin has twice became the capital of Bohai kingdom,ruled Bohai kingdom for more than 160 years.At present,the academic research results about the Bohai ancient city is abundant.However,in the perspective of Mudan river basin to research the Bohai ancient city is still blank in academia.This article is in the perspective of historical geography,analysis and summarized the geographical environment of Mudan river basin,and the relationship between distribution and geographical environment of the Bohai ancient city in the Mudan river basin.In the review of historical documents and archaeological data,by elaborate the distribution and scale of the Bohai ancient city in the Mudan river basin,make a thorough inquiry the build rule.In explaining the ruins and relics of the Bohai ancient city in the Mudan river basin, make a thorough inquiry the culture characteristics of Bohai ancient city.This article is divided into three parts.The first part is the appellation evolution and geographical environment of Mudan river.The Mudan river has different appellation in different historical periods,Tang.It has been called “Huhan river”in Tang dynasty, “Huligai river”in Yuan dynasty, “Huerhai river”in Ming dynasty, “Huerha river”in Qing dynasty.The Zhangguangcai mountain is on the left of the Mudan river basin.The Laoye mountain is on the right of the Mudan river basin.The Mudan river basin was erosioned by rivers created diverse terrain.The Bohai ancient city showing various types with the change of terrain. The second part is the distribution of Bohai ancient city in Mudan river basin.The Bohai ancient city in Mudan river basin is a total of 47,in which,26 plain city,16 mountain city,5 fortress.The number of Bohai ancient city which located in the upper reaches of Mudan river basin is 11, the middle reaches of Mudan river basin is 30,the downstream of Mudan river basin is 6.The Bohai ancient city which located in the right bank of Mudan river basin totaling 29, in the left bank of Mudan river basin totaling 18.The third part is the distribution,administrative building and cultural characteristics of the Bohai ancient city in Mudan river basin. The Bohai ancient city in Mudan river basin are concentrated in the middle reaches of Mudan river basin.It can clearly be seen the middle reaches of Mudan river basin is the center of Mudan river basin. The amount of the Bohai ancient city which located in the right bank of Mudan river basin are more than in the left bank of Mudan river basin.This is due to the limitation of terrain on the distribution of the Bohai ancient city in Mudan river basin.From the relics of the Bohai ancient city in Mudan river basin,this region is not only reflects cultural characteristics of Bohai,but also reflects the cultural characteristics of Tang dynasty.In conclusion,the distribution of the Bohai ancient city in Mudan river basin was influenced by geographical environment,political, economic and other factors.The construction of the Bohai ancient city in Mudan river basin has the characteristics of Tang dynasty and Koguryo.The relics of the Bohai ancient city are reflect the culture of Tang mostly.