Search Results - "Altaratz, O."

Competition between core and periphery-based processes in warm convective clouds – from invigoration to suppression by Dagan, G, Koren, I, Altaratz, O

“…How do changes in the amount and properties of aerosol affect warm clouds? Recent studies suggest that they have opposing effects. Some suggest that an…”
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Review: Cloud invigoration by aerosols—Coupling between microphysics and dynamics by Altaratz, O., Koren, I., Remer, L.A., Hirsch, E.

“…The cloud invigoration effect refers here to the link between an increase in aerosol loading and deepening of convective clouds. The effect can be reflected…”
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Aerosol-induced changes of convective cloud anvils produce strong climate warming by Koren, I., Remer, L. A., Altaratz, O., Martins, J. V., Davidi, A.

“…The effect of aerosol on clouds poses one of the largest uncertainties in estimating the anthropogenic contribution to climate change. Small human-induced…”
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Patterns of North African dust transport over the Atlantic: winter vs. summer, based on CALIPSO first year data by Ben-Ami, Y., Koren, I., Altaratz, O.

“…One of the most important factors that determine the transported dust effect on the atmosphere is its vertical distribution. In this study the vertical…”
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Feedback mechanisms of shallow convective clouds in a warmer climate as demonstrated by changes in buoyancy by Dagan, G, Koren, I, Altaratz, O, Feingold, G

“…Cloud feedbacks could influence significantly the overall response of the climate system to global warming. Here we study the response of warm convective…”
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Relative humidity and its effect on aerosol optical depth in the vicinity of convective clouds by Altaratz, O, Bar-Or, R Z, Wollner, U, Koren, I

“…The hygroscopic growth of aerosols is controlled by the relative humidity (RH) and changes the aerosols' physical and hence optical properties. Observational…”
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Discernible rhythm in the spatio/temporal distributions of transatlantic dust by Ben-Ami, Y, Koren, I, Altaratz, O, Kostinski, A, Lehahn, Y

“…The differences in North African dust emission regions and transport routes, between the boreal winter and summer, are thoroughly documented. Here we…”
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The relative dispersion of cloud droplets: its robustness with respect to key cloud properties by Tas, E, Teller, A, Altaratz, O, Axisa, D, Bruintjes, R, Levin, Z, Koren, I

“…Flight data measured in warm convective clouds near Istanbul in June 2008 were used to investigate the relative dispersion of cloud droplet size distribution…”
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How small is a small cloud? by Koren, I., Oreopoulos, L., Feingold, G., Remer, L. A., Altaratz, O.

“…The interplay between clouds and aerosols and their contribution to the radiation budget is one of the largest uncertainties of climate change. Most work to…”
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Lightning characteristics over the eastern coast of the Mediterranean during different synoptic systems by Y Ben Ami, Altaratz, O, Yair, Y, Koren, I

“…Thunderstorm activity takes place in the eastern Mediterranean mainly through the boreal fall and winter seasons during synoptic systems of Red Sea Trough…”
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On transition-zone water clouds by Hirsch, E, Koren, I, Levin, Z, Altaratz, O, Agassi, E

“…A recent field campaign was conducted to measure the properties of thin, warm convective clouds forming under conditions of weak updrafts. During the campaign,…”
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Analyzing coastal precipitation using TRMM observations by Heiblum, R. H., Koren, I., Altaratz, O.

“…The interaction between breezes and synoptic gradient winds, and surface friction increase in transition from sea to land can create persistent convergence…”
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On the sensitivity of droplet size relative dispersion to warm cumulus cloud evolution by Tas, E., Koren, I., Altaratz, O.

“…Relative dispersion (ε), defined as the ratio between cloud droplet size distribution width (σ) and cloud droplet average radius (〈r〉), is a key factor used to…”
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The tropical Atlantic surface wind divergence belt and its effect on clouds by Tubul, Y, Koren, I, Altaratz, O

“…A well-defined surface wind divergence (SWD) belt with distinct cloud properties forms over the equatorial Atlantic during the boreal summer months. This belt…”
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Global analysis of cloud field coverage and radiative properties, using morphological methods and MODIS observations by Bar-Or, R Z, Altaratz, O, Koren, I

“…The recently recognized continuous transition zone between detectable clouds and cloud-free atmosphere ("the twilight zone") is affected by undetectable clouds…”
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Estimating the maritime component of aerosol optical depth and its dependency on surface wind speed using satellite data by Lehahn, Y., Koren, I., Boss, E., Ben-Ami, Y., Altaratz, O.

“…Six years (2003–2008) of satellite measurements of aerosol parameters from the Moderate Resolution Imaging Spectroradiometer (MODIS) and surface wind speeds…”
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Radiative properties of humidified aerosols in cloudy environment by Bar-Or, R.Z., Koren, I., Altaratz, O., Fredj, E.

“…The remotely sensed aerosol retrievals in the transition zone between clouds and clear sky (“the twilight zone”) are affected by aerosol humidification,…”
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Aerosols' influence on the interplay between condensation, evaporation and rain in warm cumulus cloud by Altaratz, O., Koren, I., Reisin, T., Kostinski, A., Feingold, G., Levin, Z., Yin, Y.

“…A numerical cloud model is used to study the influence of aerosol on the microphysics and dynamics of moderate-sized, coastal, convective clouds that develop…”
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Humidity impact on the aerosol effect in warm cumulus clouds by Altaratz, O., Koren, I., Reisin, T.

“…The effects of aerosols on clouds are recognized as among the most important factors affecting climate change yet these effects are poorly understood due to…”
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Cloud's Center of Gravity – a compact approach to analyze convective cloud development by Koren, I., Altaratz, O., Feingold, G., Levin, Z., Reisin, T.

“…As cloud resolving models become more detailed, with higher resolution outputs, it is often complicated to isolate the physical processes that control the…”
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