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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 article, the authors investigated the effects of a slope behind a flat plain on the land and sea breeze circulation using a numerical model with a simplified configuration of the lower boundary.
Abstract: Orographical effects of a slope behind a flat plain on the land and sea breeze circulation are investigated using a numerical model with a simplified configuration of the lower boundary. It is found that (1) when the temperature at the slope surface varies with a diurnal period similarly to that at the plain surface, both the sea breeze and the land breeze are amplified and the alternation of the sea and the land breezes occurs earlier than the land and the sea breezes over a flat plain, and (2) when the slope works merely as a barrier, both the land and the sea breezes are reduced and the circulation domain is confined in the sea and the plain regions. The solution of linear differential equations for the unsteady slope wind is examined to make more clear the physical process in the above mentioned situation. The land and sea breeze in the former case is found to be modified by the slope wind which is stronger than and is in advance of the land and sea breeze over a flat plain. The land and sea breeze for the case with a slope varying its surface temperature is highly efficient in producing the available potential energy and converting it to the kinetic energy of the breeze.
43 citations
TL;DR: In this paper, the authors employ a modified regional climate model to assess the climatic consequences of adopting drought-tolerant vegetation over the Los Angeles metropolitan area, and show that nocturnal cooling effects, which are larger in magnitude and of great importance for public health during heat events, could counterbalance the daytime warming attributed to the studied water conservation strategy.
Abstract: During 2012–2014, drought in California resulted in policies to reduce water consumption. One measure pursued was replacing lawns with landscapes that minimize water consumption, such as drought-tolerant vegetation. If implemented at broad scale, this strategy would result in reductions in irrigation and changes in land surface characteristics. In this study, we employ a modified regional climate model to assess the climatic consequences of adopting drought-tolerant vegetation over the Los Angeles metropolitan area. Transforming lawns to drought-tolerant vegetation resulted in daytime warming of up to 1.9°C, largely due to decreases in irrigation that shifted surface energy partitioning toward higher sensible and lower latent heat flux. During nighttime, however, adopting drought-tolerant vegetation caused mean cooling of 3.2°C, due to changes in soil thermodynamic properties and heat exchange dynamics between the surface and subsurface. Our results show that nocturnal cooling effects, which are larger in magnitude and of great importance for public health during heat events, could counterbalance the daytime warming attributed to the studied water conservation strategy. A more aggressive implementation, assuming all urban vegetation was replaced with drought-tolerant vegetation, resulted in an average daytime cooling of 0.2°C, largely due to strengthened sea breeze patterns, highlighting the important role of land surface roughness in this coastal megacity.
43 citations
Journal Article•
TL;DR: In this article, the authors studied the inland penetration of sea breezes with observations and a two-dimensional mesoscale model, and derived that the estimated inland penetration distance is determined mostly by the forcing through the differential heating and the magnitude of the opposing large-scale flow.
Abstract: The inland penetration of sea breezes is studied with observations and a two-dimensional mesoscale model An anomalously high percentage of Northerly winds as compared to the average frequency distribution, is observed in the evening in the month of May, 1989, at a station about 100 km inland In more than 50% of the sea-breeze cases during this very dry and sunny month, the wind shifted to this Northerly direction around 21 UTC The model output of this month shows that this anomaly is caused by deep inland penetration of the sea breeze From sensitivity experiments with the model it is derived that the inland penetration distance is determined mostly by the forcing through the differential heating and the magnitude of the opposing large-scale flow With a linear combination of the scaled maximum sea-breeze strength and the opposing large-scale flow, the inland penetration of the sea breeze can be scaled
43 citations
TL;DR: In this paper, meteorological reanalysis data are applied to obtain long-term low-scale wind speed data at specific turbine locations and hub heights, and the relation between wind data and energy production is determined via a five parameter logistic function using actual high-frequency energy production data.
43 citations
TL;DR: In this article, the meso-scale modeling tool A2C flow/A2C t&d was applied to simulate the pure Sea/Land breeze mechanism. And the initial and boundary conditions were set and the modeling was carried out.
43 citations