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Sea breeze

About: Sea breeze is a research topic. Over the lifetime, 2544 publications have been published within this topic receiving 55651 citations.


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TL;DR: In this paper, field measurements were used to investigate circulation, mixing processes, and variations in temperature and salinity in the coastal boundary layer off Perth, Western Australia, which is characterized by a low amplitude diurnal tidal regime, a strong southwesterly summer sea breeze, and a topography dominated by submerged barrier reefs.
Abstract: Field measurements were used to investigate circulation, mixing processes, and variations in temperature and salinity in the coastal boundary layer off Perth, Western Australia. This region is characterized by a low amplitude diurnal tidal regime, a strong southwesterly summer sea breeze, and a topography dominated by submerged barrier reefs. Subinertial current dynamics were analyzed using a simplified depth-averaged alongshore momentum equation. Offshore of the reefs, the results showed a balance between wind stress, alongshore pressure gradient, and bottom friction and acceleration forces. The alongshore pressure gradient contributed to accelerating the water body, but wind was the dominant driving force for a majority of the time. Onshore of the reefs (lagoonal waters), the alongshore dynamic balance was mainly between wind stress and bottom friction. The temperature variability in Perth coastal waters was in agreement with the seasonal variations in the net air–sea heat flux. The exchange ra...

37 citations

Journal ArticleDOI
TL;DR: In the last decade pan evaporation measured at the Southern Dead Sea has significantly increased and the potential contribution to this change through the weakening of the local land-sea breeze circulation caused by the reduction in the Dead Sea surface area in 1979-1981, is examined in this article.
Abstract: In the last decade pan evaporation measured at the Southern Dead Sea has significantly increased. Wind, temperature and humidity measurements at the Dead Sea starting in the 1930s as well as 3-D model simulations all seem to indicate a statistically significant change in the local climate of the Dead Sea region. The potential contribution to this climatic change through the weakening of the local land-sea breeze circulation caused by the reduction in the Dead Sea surface area in 1979–1981, is examined. It is suggested that since the breeze tempers the Dead Sea climate, its weakening has caused the air temperature to increase, the relative humidity to decrease and thus increased the pan evaporation. The climatic changes as implied by the MM4 Mesoscale PSU/NCAR model simulations, seem to fit the observed changes and to suggest a local tendency to the more arid climate that now prevails to the south of the study region.

37 citations

Journal ArticleDOI
TL;DR: In this article, numerical model simulations of sea-breeze circulations under idealized conditions are subjected to dimensional analyses in order to resolve sea-bucket dynamical relations and unify previous results based on observations.
Abstract: Numerical model simulations of sea-breeze circulations under idealized conditions are subjected to dimensional analyses in order to resolve sea-breeze dynamical relations and unify previous results based on observations. The analysis is motivated by the fact that sea-breeze depth scaling and volume flux scaling are only partially understood. The analysis is based on nonlinear numerical modelling simulations in combination with recent observational scaling analyses. The analysis confirms scaling laws for sea-breeze strength dependence on governing variables and shows how the sea-breeze speed scale is controlled by surface heat flux. It also shows that the sea-breeze depth scale is controlled by stability. By combining sea-breeze speed and depth scales, the sea-breeze volume flux scale is determined by an equilibrium between the accumulated convergence of heat over land since sunrise and stable air advection from the sea surface.

36 citations

Journal ArticleDOI
TL;DR: In this article, the authors studied the reasons for the relatively strong coastal afternoon surface winds observed along the Gulf of Finland were studied by using a high-resolution two-dimensional numerical model in typical summertime conditions.
Abstract: The reasons for the relatively strong coastal afternoon surface winds observed along the Gulf of Finland were studied by using a high-resolution two-dimensional numerical model in typical summertime conditions. Sea breeze effects were included by defining a clear sky, whereas they were minimized by alternatively defining a thick cloud cover. The geostrophic wind was varied both in speed and direction. A case-study was made with a three-dimensional operational forecast model with results that agreed with the two-dimensional experiments and observations. Strongish afternoon surface winds nearly parallel with the coastline were obtained in the overcast gulf experiments. In these cases, well-mixed air entering the smooth sea slantwise from over land commenced an inertial oscillation downstream such that the emerging low-level jet maximum was located just above the opposite coast, causing the strong winds there. If the sky was clear, sea breezes and strong convective mixing further enhanced the coastal surface winds to supergeostrophic speeds. In contrast, weak coastal winds occurred when the sea breeze and the basic flow were nearly opposite. Given the gulf geometry, the sea breeze cell from the opposite coast could be advected over the gulf in a suitable basic flow, which resulted in another minimum in the coastal wind speed as a function of geostrophic wind direction. Copyright © 2005 Royal Meteorological Society.

36 citations

Journal ArticleDOI
TL;DR: In this article, numerical simulations of lake-effect snowstorms over Lake Michigan show that orography enhances precipitation rates and mesoscale updrafts and strengthens the land breeze.
Abstract: Numerical simulations of lake-effect snowstorms over Lake Michigan show that orography enhances precipitation rates and mesoscale updrafts and strengthens the land breeze. The mild orographic changes east of Lake Michigan as modeled with an 8-km horizontal grid are not sufficient to overcome the dominance of the lake-land temperature difference for any of the cases simulated. However, significant local effects are observed in areas of more prominent topographic features. These local effects are strongly affected by wind direction.

36 citations


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Performance
Metrics
No. of papers in the topic in previous years
YearPapers
202382
2022190
2021101
202087
201978
201877