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The formation and evolution of the delta in Minjiang Estuary

Author: ZhengZhiFeng
Tutor: ChenFeng
School: Third Institute of Oceanography of State Oceanic Administration
Course: Environmental Science
Keywords: Minjiang River Estuary Subaqueous delta Environmental factors Geomorphological features Sedimentary features Fairway comprehensive improvement
CLC: P737.121
Type: Master's thesis
Year: 2000
Downloads: 185
Quote: 1
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Abstract


In this paper, based on the extensive collection of previous data and field survey sampling and laboratory analysis , all aspects of a comprehensive and systematic exposition of the formation and evolution of the delta in Minjiang Estuary from the evolution of environmental factors , topographic features , sedimentary characteristics and depositional environment . The article first start from the analysis of control or influence over the delta in Minjiang Estuary development of environmental factors , explore the pattern of tectonic and sea-level changes , river hydrology and sediment , marine hydrology underwater delta formed ; according to the shallow strata and Minjiang Estuary underwater topography and sediment characteristics , flanking sonar information from the three parts of the the the underwater delta plain , delta front and prodelta investigate the geomorphological characteristics, origin and evolution of underwater delta ; according to the surface of the Minjiang River Estuary the grain size characteristics and particle size parameters by the corresponding analysis , the shallow stratigraphic architecture and cores contrast to explore the delta in Minjiang Estuary near modern sedimentary characteristics and depositional environment , and comprehensive analysis of the underwater delta drilling and seismic mapping geological profile information , explore ancient sedimentary characteristics of its geological history and ancient sedimentary environment , reveals the evolution of sedimentary environment since the delta in Minjiang Estuary from the late Pleistocene formation ; comprehensive analysis of the above study , the evolution of the delta in Minjiang Estuary law , and on this basis put forward a the Minjiang Estuary comprehensive remediation countermeasures .

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CLC: > Astronomy,Earth Sciences > Oceanography > Marine basic science > Marine geomorphology > Coastal landforms > Coastal landform types > Estuaries landforms
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