intro story Coast / Estuary

Coast / Estuary

Coastal systems are among the most dynamic physical systems on earth and are subject to a large variety of forces. The morphodynamic changes occurring to coastlines worldwide are of great interest and importance. These changes occur as a result of the erosion of sediments, its subsequent transport as bed load or suspended load, and eventual deposition. 
Estuaries are partly enclosed water bodies that have an open connection to the coast. Estuaries generally have one or more branching channels, intertidal mudflats and/or salt marshes. Intertidal areas are of high ecological importance and trap sediments (sands, silts, clays and organic matter).
Within the Delft3D modelling package a large variation of coastal and estuarine physical and chemical processes can be simulated. These include waves, tidal propagation, wind- or wave-induced water level setup, flow induced by salinity or temperature gradients, sand and mud transport, water quality and changing bathymetry (morphology). Delft3D can also be used operationally e.g. storm, surge and algal bloom forecasting. 
On this discussion page you can post questions, research discussions or just share your experience about modelling coastal and/or estuarine systems with Delft3D FM. 




Sub groups
D-Flow Flexible Mesh
Cohesive sediments & muddy systems



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Error Consecutive time in .eva file

Lisang THOURN, modified 1 Year ago.

Error Consecutive time in .eva file

Youngling Posts: 4 Join Date: 8/21/18 Recent Posts

Hello all,

one of my model won't work due to error consecutive time on .eva file. this file contain daily data of whole year. So, I have plus 3  days more. But, the error remained the same. Can anyone have any idea? 

Here is all messages in td-diag:

*** MESSAGE Local time zone is UTC +  8.0 hours
*** MESSAGE Ocean heat model: Stanton number specified to be    0.13000E-02
*** MESSAGE Ocean heat model: Dalton number specified to be    0.13000E-02
*** MESSAGE Using precipitation/evaporation specified in file sampaloc_polygon.eva
*** MESSAGE Evaporative heat flux is calculated internally, independent of the prescribed mass flux
*** MESSAGE Using UNESCO density formulation by default
*** MESSAGE Number of pivot points to convert wind speed to wind drag coef.: 3
*** MESSAGE Momentum solver cyclic method is specified
*** MESSAGE DRYFLP and DPSOPT both specified in MD-file. Using DPSOPT: MAX
*** MESSAGE Transport solver cyclic-method method is specified
*** MESSAGE Reading BC-hydrodynamic file sampaloc_polygon.bct
*** MESSAGE Reading BC-transport file sampaloc_polygon.bcc
*** MESSAGE Reading Heat module file sampaloc_polygon_2016.tem
*** MESSAGE Reading Evaporation & Rain file sampaloc_polygon.eva
*** ERROR Consecutive times on file sampaloc_polygon.eva should increase