Matches in SemOpenAlex for { <https://semopenalex.org/work/W2021008493> ?p ?o ?g. }
- W2021008493 abstract "This work emphasizes the radiative impact of Saharan dust particles in the presence of clouds, over the tropical North Atlantic Ocean. A first analysis based upon recent European Centre for Medium‐Range Weather Forecasts data confirms the classical observations; that is, in summer, the dust plume lies over the trade wind inversion, that is to say, over the main cloud layer. In winter, however, dust particles generally are transported in the trade wind layer, namely, where the major part of clouds is developing. In a second part, we present a statistical analysis based upon a 6‐year series of daily VIS and IR Meteosat data. Our study reveals, at any season, a decrease in the apparent cloud reflectivity derived from satellite measurements. Minimum values of this albedo are found in geographical areas where dust particles are most often observed and where they have their highest values in optical thickness. This albedo decrease can exceed 20% during spring months, when the dust outbreaks are the most frequent. A final discussion puts forward some physical processes that may explain the observations. In summer, dust presence may result in a change of the reflectance of the system, due to an increase of the absorption of the surface‐cloud‐dust plume system. On the other hand, during the winter season, the cloud albedo decrease may be in part explained by the drying of the atmosphere due to the dry air masses associated with the dust outbreaks coming from the Saharan desert. However, an interesting and complementary explanation is put forward for the winter case: Because of its lower altitude, the dust plume is likely to mix with cloud water. Consequently, in‐cloud processes may lead to a change in droplet spectrum size, which in turn, could affect the cloud reflectivity and therefore the reflectance measured at the top of the atmosphere. Therefore, whatever the physical processes involved, the dust outbreaks seem always to lead to a decrease in the cloud cover albedo over the tropical North Atlantic Ocean. In part 2 of this study, the observations will be completed by numerical modeling dealing with radiation, microphysics, and mesoscale transport, in order to better explain and understand this radiative effect." @default.
- W2021008493 created "2016-06-24" @default.
- W2021008493 creator A5029749631 @default.
- W2021008493 creator A5042836031 @default.
- W2021008493 creator A5076982733 @default.
- W2021008493 date "2002-10-15" @default.
- W2021008493 modified "2023-10-17" @default.
- W2021008493 title "Radiative and microphysical interactions between marine stratocumulus clouds and Saharan dust 1. Remote sensing observations" @default.
- W2021008493 cites W1971398176 @default.
- W2021008493 cites W1973565796 @default.
- W2021008493 cites W1991865689 @default.
- W2021008493 cites W1997281484 @default.
- W2021008493 cites W2026477153 @default.
- W2021008493 cites W2028189535 @default.
- W2021008493 cites W2049768443 @default.
- W2021008493 cites W2071721966 @default.
- W2021008493 cites W2077861197 @default.
- W2021008493 cites W2088091577 @default.
- W2021008493 cites W2092627707 @default.
- W2021008493 cites W2093118957 @default.
- W2021008493 cites W2099258094 @default.
- W2021008493 cites W2153014384 @default.
- W2021008493 cites W2167518470 @default.
- W2021008493 cites W2173852084 @default.
- W2021008493 cites W2174211035 @default.
- W2021008493 cites W2177994105 @default.
- W2021008493 cites W2347045416 @default.
- W2021008493 cites W4301420054 @default.
- W2021008493 doi "https://doi.org/10.1029/2000jd000155" @default.
- W2021008493 hasPublicationYear "2002" @default.
- W2021008493 type Work @default.
- W2021008493 sameAs 2021008493 @default.
- W2021008493 citedByCount "3" @default.
- W2021008493 countsByYear W20210084932015 @default.
- W2021008493 countsByYear W20210084932021 @default.
- W2021008493 countsByYear W20210084932023 @default.
- W2021008493 crossrefType "journal-article" @default.
- W2021008493 hasAuthorship W2021008493A5029749631 @default.
- W2021008493 hasAuthorship W2021008493A5042836031 @default.
- W2021008493 hasAuthorship W2021008493A5076982733 @default.
- W2021008493 hasBestOaLocation W20210084931 @default.
- W2021008493 hasConcept C111919701 @default.
- W2021008493 hasConcept C121332964 @default.
- W2021008493 hasConcept C127313418 @default.
- W2021008493 hasConcept C142362112 @default.
- W2021008493 hasConcept C153294291 @default.
- W2021008493 hasConcept C160529264 @default.
- W2021008493 hasConcept C195886398 @default.
- W2021008493 hasConcept C205649164 @default.
- W2021008493 hasConcept C206887242 @default.
- W2021008493 hasConcept C2775840915 @default.
- W2021008493 hasConcept C2779345167 @default.
- W2021008493 hasConcept C39432304 @default.
- W2021008493 hasConcept C41008148 @default.
- W2021008493 hasConcept C49204034 @default.
- W2021008493 hasConcept C52119013 @default.
- W2021008493 hasConcept C554144382 @default.
- W2021008493 hasConcept C62520636 @default.
- W2021008493 hasConcept C74902906 @default.
- W2021008493 hasConcept C75115192 @default.
- W2021008493 hasConcept C79974875 @default.
- W2021008493 hasConcept C91586092 @default.
- W2021008493 hasConceptScore W2021008493C111919701 @default.
- W2021008493 hasConceptScore W2021008493C121332964 @default.
- W2021008493 hasConceptScore W2021008493C127313418 @default.
- W2021008493 hasConceptScore W2021008493C142362112 @default.
- W2021008493 hasConceptScore W2021008493C153294291 @default.
- W2021008493 hasConceptScore W2021008493C160529264 @default.
- W2021008493 hasConceptScore W2021008493C195886398 @default.
- W2021008493 hasConceptScore W2021008493C205649164 @default.
- W2021008493 hasConceptScore W2021008493C206887242 @default.
- W2021008493 hasConceptScore W2021008493C2775840915 @default.
- W2021008493 hasConceptScore W2021008493C2779345167 @default.
- W2021008493 hasConceptScore W2021008493C39432304 @default.
- W2021008493 hasConceptScore W2021008493C41008148 @default.
- W2021008493 hasConceptScore W2021008493C49204034 @default.
- W2021008493 hasConceptScore W2021008493C52119013 @default.
- W2021008493 hasConceptScore W2021008493C554144382 @default.
- W2021008493 hasConceptScore W2021008493C62520636 @default.
- W2021008493 hasConceptScore W2021008493C74902906 @default.
- W2021008493 hasConceptScore W2021008493C75115192 @default.
- W2021008493 hasConceptScore W2021008493C79974875 @default.
- W2021008493 hasConceptScore W2021008493C91586092 @default.
- W2021008493 hasIssue "D19" @default.
- W2021008493 hasLocation W20210084931 @default.
- W2021008493 hasOpenAccess W2021008493 @default.
- W2021008493 hasPrimaryLocation W20210084931 @default.
- W2021008493 hasRelatedWork W1973252315 @default.
- W2021008493 hasRelatedWork W2003066846 @default.
- W2021008493 hasRelatedWork W2054930414 @default.
- W2021008493 hasRelatedWork W2068293008 @default.
- W2021008493 hasRelatedWork W2077078481 @default.
- W2021008493 hasRelatedWork W2100932191 @default.
- W2021008493 hasRelatedWork W2593669432 @default.
- W2021008493 hasRelatedWork W3141576882 @default.
- W2021008493 hasRelatedWork W4364364357 @default.
- W2021008493 hasRelatedWork W2497489207 @default.
- W2021008493 hasVolume "107" @default.
- W2021008493 isParatext "false" @default.
- W2021008493 isRetracted "false" @default.