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Multiple Scales of Suspended Sediment Dynamics in a Complex Geometry Estuary free ebook download

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Geology

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Author(s):	Fernanda Minikowski Achete

Date:	2018	Format:	PDF	Language:	English	ISBN/ASIN:	1138373451
Pages:	156	OCR:		Quality:		ISBN13:
Uploader:	comet	Upload Date:	10/9/2020 3:52:19 PM

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Many estuaries are located in urbanized, highly engineered environments. Cohesive sediment plays an important role due to its link with estuarine health and ecology. An important ecological parameter is the suspended sediment concentration (SSC) translated into turbidity levels and sediment budget.
This study contributes to investigate and forecast turbidity levels and sediment budget variability at San Francisco Bay-Delta system at a variety of spatial and temporal scales applying a flexible mesh process-based model (Delft3D FM). It is possible to have a robust sediment model, which reproduces 90% of the yearly data derived sediment budget, with simple model settings, like applying one mud fraction and a simple bottom sediment distribution. This finding opens the horizon for modeling less monitored estuaries.
Comparing two case studies, i.e. the Sacramento-San Joaquin Delta and Alviso Slough, a classification for estuaries regarding the main sediment dynamic forcing is proposed: event-driven estuary (Delta) and tide-driven estuary (Alviso Slough). In the event-driven estuaries, the rivers are the main sediment source and the tides have minor impact in the net sediment transport. In the tide-driven estuaries, the main sediment source is the bottom sediment and the tide asymmetry defines the net sediment transport.
This research also makes advances in connecting different scientific fields and developing a managerial tool to support decision making. It provides the basis to a chain of models, which goes from the hydrodynamics, to suspended sediment, to phytoplankton, to fish, clams and marshes.

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	Title	Link	Password	Size (MB)	Thank to	Inform Admin
2882511	Book	https://novafile.com/dxx0d2awl21q...		26.61	comet

Tags: Complex Dynamics Estuary Geometry Multiple Scales Sediment Suspended

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Multiple Scales of Suspended Sediment Dynamics in a Complex Geometry Estuary free ebook download

Category: Geology

Description: Click to see full description

Category:
Geology