Through high-resolution research of sedimental chronology and the sediment environmental indexes, such as graininess, minerals, magnetic parameters, pigment content, organic carbon and chronology in Ds-co...Through high-resolution research of sedimental chronology and the sediment environmental indexes, such as graininess, minerals, magnetic parameters, pigment content, organic carbon and chronology in Ds-core and Ws-core in Nansihu Lake, the authors analyze the formation cause of the Nansihu Lake and its water environmental changes. Historical documents are also analyzed here in order to reach the conclusion. Researches indicate that the Nansihu Lake came into being about 2500 aBP and its evolution succession can be divided into four stages. In this evolution process, several scattered lakes merge into one large lake in the east of China. This process is distinctively affected by the overflow of the Yellow River, the excavation of the Grand Canal and other human activities.展开更多
This study organized the current status of tangible cultural heritage along the Tonghui River.The spaces along the Tonghui River were classified according to the farmland,suburban areas,urban residential areas,and urb...This study organized the current status of tangible cultural heritage along the Tonghui River.The spaces along the Tonghui River were classified according to the farmland,suburban areas,urban residential areas,and urban center areas.Spatial analysis of the current situation was conducted through Baidu Street View images,with a focus on evaluating the spatial environment around the tangible cultural heritage.Negative factors affecting the reuse of cultural heritage were analyzed,such as poor appearance of buildings and low accessibility of transportation along the Tonghui River.展开更多
Based on the study of ancient maps preserved in China and abroad,the systematic nature and practical meaning of the maps of the Yellow River and Grand Canal is demonstrated.It is pointed out that the ancient maps not ...Based on the study of ancient maps preserved in China and abroad,the systematic nature and practical meaning of the maps of the Yellow River and Grand Canal is demonstrated.It is pointed out that the ancient maps not only record the spatial information of the established water conservancy engineering for river harnessing but also the management systems of the rivers in history.Besides,the maps provide abundant information on nature,humanity,and geography and possess high value in academic research and art appreciation.展开更多
平陆运河采用多级省水船闸节水技术,控制断面马道枢纽船闸布置三级省水池,航运用水量可节省60%以上。考虑货运量发展周期及船舶过闸效率等因素,近期需从郁江引调水约24 m 3 s。根据水资源论证分析,平陆运河在与引郁入钦调水工程相结合...平陆运河采用多级省水船闸节水技术,控制断面马道枢纽船闸布置三级省水池,航运用水量可节省60%以上。考虑货运量发展周期及船舶过闸效率等因素,近期需从郁江引调水约24 m 3 s。根据水资源论证分析,平陆运河在与引郁入钦调水工程相结合的基础上,以不影响现状贵港枢纽最小下泄流量保证率为前提,通过调整百色水库发电调度,结合西津、邕宁等水库统一调度,可保障平陆运河近期航运用水需求。展开更多
基金Natural Science Foundation of Shandong Province No.Z2000E01
文摘Through high-resolution research of sedimental chronology and the sediment environmental indexes, such as graininess, minerals, magnetic parameters, pigment content, organic carbon and chronology in Ds-core and Ws-core in Nansihu Lake, the authors analyze the formation cause of the Nansihu Lake and its water environmental changes. Historical documents are also analyzed here in order to reach the conclusion. Researches indicate that the Nansihu Lake came into being about 2500 aBP and its evolution succession can be divided into four stages. In this evolution process, several scattered lakes merge into one large lake in the east of China. This process is distinctively affected by the overflow of the Yellow River, the excavation of the Grand Canal and other human activities.
基金Innovation and Entrepreneurship Training Program for College Students.
文摘This study organized the current status of tangible cultural heritage along the Tonghui River.The spaces along the Tonghui River were classified according to the farmland,suburban areas,urban residential areas,and urban center areas.Spatial analysis of the current situation was conducted through Baidu Street View images,with a focus on evaluating the spatial environment around the tangible cultural heritage.Negative factors affecting the reuse of cultural heritage were analyzed,such as poor appearance of buildings and low accessibility of transportation along the Tonghui River.
文摘Based on the study of ancient maps preserved in China and abroad,the systematic nature and practical meaning of the maps of the Yellow River and Grand Canal is demonstrated.It is pointed out that the ancient maps not only record the spatial information of the established water conservancy engineering for river harnessing but also the management systems of the rivers in history.Besides,the maps provide abundant information on nature,humanity,and geography and possess high value in academic research and art appreciation.
文摘平陆运河采用多级省水船闸节水技术,控制断面马道枢纽船闸布置三级省水池,航运用水量可节省60%以上。考虑货运量发展周期及船舶过闸效率等因素,近期需从郁江引调水约24 m 3 s。根据水资源论证分析,平陆运河在与引郁入钦调水工程相结合的基础上,以不影响现状贵港枢纽最小下泄流量保证率为前提,通过调整百色水库发电调度,结合西津、邕宁等水库统一调度,可保障平陆运河近期航运用水需求。
