نتایج جستجو برای: mesotidal estuary

تعداد نتایج: 8489  

2012
Nicholas J. Nidzieko Stephen G. Monismith

Three and a half years of hydrographic, velocity, and meteorological observations are used to examine the dynamics of upper Elkhorn Slough, a seasonally inverse, shallow, mesotidal estuary in central California. The long-term observations revealed that residual circulation in Elkhorn Slough is seasonally variable, with classic estuarine circulation in the winter and inverse estuarine circulatio...

2004
L. Cancino R. Neves

A coupled 3D-baroclinic hydrodynamic and cohesive sediment transport model applied to the Western Scheldt estuary is presented. The use of the two-fold sigma coordinate considerably improves the results on intertidal zones. The simulations provide an insight into the effetcs of stratification and its tidal asymmetry into the sediment transport. The calculated density current show an intensity t...

Journal: :Environmental Earth Sciences 2022

Abstract Based on a comprehensive study of the Tina Mayor estuary, conceptual morphosedimentary model is proposed for one best-preserved limestone sectors Iberian Peninsula. This mesotidal and rock-bounded estuary consists significant proportion quartzitic gravel fractions, which distinctive compared to other nearby estuaries Northwest Spain Fluvial discharges allow high coarse fraction inputs ...

2001
T. Simas

A methodology combining ecological modelling with geographical information analysis and remote sensing was employed to determine the effects of sea-level rise in estuarine salt marshes, using the Tagus estuary (Portugal) as a case study. The development of salt marsh vegetation was simulated separately for C3 and C4 plants, using a combined biogeochemical and demographic model. This simulation,...

Journal: :Water Resources Research 2022

Around the world, wetland vulnerability to sea-level rise (SLR) depends on different factors including tidal regimes, topography, creeks and estuary geometry, sediment availability, vegetation type, etc. The Plum Island (PIE) is a mesotidal system east coast of United States. This research applied newly updated Hydro-MEM (integrated hydrodynamic-marsh) model assess impacts intermediate-low (50 ...

Journal: :International journal of scientific and research publications 2021

The nutrients (nitrate, nitrite, phosphate and silicate) of thirty-two study stations in the Ilaje, coastal waters Estuaries Ondo State, Nigeria were studied month August (during wet season).

ژورنال: مهندسی دریا 2012
ضیائیان, فاطمه, کرمی خانیکی, علی,

Tidal behavior of esturies is more complicated than open seas. It arises from the effects of geometrical parameters. Also other parameter such as wave reflection from the end of estuaries, sieche, bed friction and coriolis forces cause the water level changes in the esturies to be several times as in the open sea. This paper evalutes the effects of gemetric parameters (such as length, wide and ...

Journal: :Coastal Engineering 2022

This paper investigates the impact of bridge-pilling modifications on tidal flow at strait a human-altered mesotidal estuary (Cádiz Bay, Spain). The analysis was accomplished by combining (1) field data current velocities in cross-section close to pile recently built bridge, and (2) hydrodynamics results from calibrated tested DELFT3D numerical model study site. focused bridge piling effects in...

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