Utilization Status And Assessment Of Coastal Zone In Jiaozhou Bay

Jiaozhou Bay is a gift for Qingdao from nature,lying in Qingdao and connected to Yellow Sea. Jiaozhou Bay is important for Qingdao by providing sight-seeing as well as marine science and research reasources .Supported by the project"Coastline evolution of Jiaozhou Bay and influence on the sediment transportation"funded by Qingdao Urban Planning Bureau,this paper developed thematic maps,based on the newest SPOT5 of 2008 and many other historical Landsat remote sensing images combined with nautical charts. Accordingly,present situation of spatial resources utilization in Jiaozhou Bay coastal zone were assessed overall,which provided basis for the strategic plan"Protection Along the Bay,Development Around the Bay"for Qingdao. The main contents are as follows.The SPOT5 remote sensing image underwent image pretreatments such as geometric precision correction,ortho rectification,image registration,histogram match,image intensification processing,wave band combination,synthesis of remote sensing image and DEM,and so on. Comparing various kinds of processing methods,a high quality base map satisfying the interpretation request was obtained.Additionally,the meanings of several types of coastline,which historically have been divergent definitions such as linear-embankment and artificial wetland,are defined clearly in this paper. Combined with correlative theories in geology,a scientific and practical coastline classification system is established,providing a standard classification for later investigation.Additionally,the meanings of several types of coastline,which historically have been divergent definitions such as linear-embankment and artificial wetland,are defined clearly in this paper. Combined with correlative theories in geology,a scientific and practical coastline classification system is established,providing a standard classification for later investigation. The water level benchmarks and the coordinate projections of historical materials are unified. The statistics,based on information of coastline withdrew from historical nautical charts and remote sensing images,are classified and compared,in order to investigate its evolvement characteristic and tendency. Besides,the significant role that human activities playson Jiaozhou evolvement is also summarized accordingly,and the urgency for protecting Jiaozhou Bay is proposed here.Through visual interpretation and verification in the field investigation on the remote sensing image,a present situation map with scale 1:10000 of Jiaozhou Bay coastal zone utilization is completed for assessment. Referring both the predecessors'works,and landscape study angle as well,Jiaozhou Bay coastal wetlands are divided into artificial wetland,continental water region,tidal flat and the offshore wetland,based on which the present situation of coastal wetland is analyzed and evaluated.From the present situation of Jiaozhou Bay coastal zone,combined with geology and the landscape ecology and other correlative theories,the research is conducted emphatically from aspects of ecology,flood prevention,wetland protection,establishing the corresponding index system. Using"Plaque-gallery"theory,the landscape heterogeneity theory,ecosystem services value theory,the overall planning of Jiaozhou Bay coastal zone is valuated qualitatively and quantitatively as well. The problems and potential hidden dangers appearing in the planning are summarized and solution scheme is proposed.