Topic
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 used the SCOS97-NARSTO data to understand transport factors in the occurrence of high ozone concentrations during 4-7 August 1997 and found that the peak ozone resulted from an infrequent combination of large-scale upper-level synoptic forcing associated with a weak local coastal 700mb ridge.
34 citations
TL;DR: In this paper, an atmospheric tracer study using SF_6 was conducted on July 22, 1977, to examine the origin of high particulate sulfate concentrations observed in coastal Los Angeles County and found that the sea breeze/land breeze circulation system in the Los Angeles Basin both increases the retention time for sulfate formation in the marine environment and causes individual air parcels to make multiple passes over large coastal emissions sources.
Abstract: An atmospheric tracer study using SF_6 was conducted on July 22, 1977, to examine the origin of the high particulate sulfate concentrations observed in coastal Los Angeles County. It was found that the sea breeze/land breeze circulation system in the Los Angeles Basin both increases the retention time for sulfate formation in the marine environment and causes individual air parcels to make multiple passes over large coastal emissions sources. Day-old sulfur oxides emissions advected out to sea by the land breeze at night were estimated to be the largest single contributor to 24-hour average sulfate air quality over land the next day. In contrast, 24-hour average SO_2 concentrations were dominated by fresh emissions from nearby sources. The overall rate of SO_2 transformation to form particulate sulfur oxides along some trajectories that spent a considerable time over the ocean at night probably exceeds the rate that can be explained by known photochemical processes acting during the daylight portion of these trajectories. This suggests that appreciable aerosol formation may occur in a polluted marine environment at night.
34 citations
TL;DR: In this paper, a simple, thermally driven analytical model was proposed to explain the increase in wind speed from the cold to the warmer water side as resulting from horizontal temperature gradient across the Gulf Stream.
Abstract: Sea-breeze-like winds have been observed on the warmer side of the Gulf Stream when synopticscale winds blow from cool shelf water toward a warm water surface (Sweet et al., 1981). It is shown that a simple, thermally driven analytical model can explain satisfactorily the increase in wind speed from the cold to the warmer water side as resulting from horizontal temperature gradient across the Gulf Stream.
34 citations
TL;DR: In this article, the authors assess the monthly climatology of the timing and placement of convective precipitation events induced by sea and land breezes in the Louisiana-Mississippi-Alabama region, and determine possible reasons for the monthly differences.
Abstract: This study assesses the monthly climatology of the timing and placement of convective precipitation events induced by sea and land breezes in the Louisiana–Mississippi–Alabama region, and determines possible reasons for the monthly differences. These objectives were achieved through surface wind climatologies and radar composites from 2003 to 2005, supplemented by statistically significant tests. It is shown that June had an easterly–southeasterly wind regime, whereas July and August featured more southerly flow. These wind regimes may have influenced monthly diurnal wind patterns along the coast. While all months showed a typical pattern of sea-breeze evolution, the land breeze demonstrated monthly variations off the Mississippi and Louisiana coasts. July and August feature a westerly land breeze from Louisiana, while the Mississippi land breeze was stronger in August than in July. A daily wind speed minimum offshore from Mississippi indicates a local transition of influence from the land breeze...
34 citations
TL;DR: In this article, the authors identify and analyze heat island (HI) effect and its interaction with the local sea breeze (SB) inflow in rainfall amounts and deep convection.
Abstract: The Metropolitan Area of Sao Paulo (MASP) is one of the most populated regions of the planet with one of the largest impervious regions as well. This research work aims to characterize MASP heat island (HI) effect and its interaction with the local sea breeze (SB) inflow in rainfall amounts and deep convection. The combined SB-HI produces direct circulation over the MASP and produces severe weather and socioeconomic impacts. All SB-HI episodes between 2005 and 2008 are identified and analyzed with surface and upper air measurements, weather radar, and satellite data. The current work indicates that intense SB-HI episodes are related to air and dew point temperatures above 30°C and 20°C, respectively, right after the passage of the SB front over MASP. Results indicate that the precipitation related to SB-HI episodes is up to 600 mm or about four times higher than that in rural or less urbanized areas in its surroundings. Measurements indicate that 74% of SB-HI episodes are related to NW winds in earlier afternoon hours. Moving cold fronts in southern Brazil tend to intensify the SB-HI circulation in MASP. A conceptual model of these patterns is presented in this paper.
34 citations