中國華東河口海岸區(qū)域營養(yǎng)鹽和發(fā)色溶解有機(jī)物生物地球化學(xué)過程研究.pdf

1、Five manuscripts are enclosed in this thesis，which are presented here as chapters．The theses call be separated into two fractions．1he Chapters of l to3 constitute thefirst fraction，and which ale all mainly funded by the“

2、Bihai Project'’carried out in theChangjiang Estuary．ne Chapter1 describes the influence of semidiumal tides on themovements of salinity and nutrient fronts．The Chapter2 establishes a simple boxmodel mrough which the budg

3、ets of salt and nutrients are calculated,during thetransport process ofthe Changliang Diluted Water．ne Chapter3 evaluates the role ofsuspended particulate matters on the nutrient inventories，also in the ChangjiangEstuary

4、 area．1nhe two chapters of2 and3 both quantitatively substantiate thenon—conservative behavior of nutrients during the freshwater-saltwater mixingprocesses． The Chapters of4 to5 constitute the second fraction of the

5、 thesis．which focuson the fluorescence properties of the chromophoric dissolved organic matters(CDOM)in the Changjiang Estuary and along the coaStS]area of the Zhejiang Province．Weexamine the variation of the CDOM fluore

6、scence properties under the influence ofmarsh sediments in Chapter4，and the florescence indicatmns Oil the chemical natureof CDOM are especially emphasized．In Chapter5，we characterize the fluorescenceproperties of CDOM i