Research Highlights

Members of ARM's science team are major contributors to radiation and cloud research. ARM investigators publish about 150 refereed journal articles per year, and ARM data are used in many studies published by other scientific organizations. These documented research efforts represent tangible evidence of ARM's contribution to advances in almost all areas of atmospheric radiation and cloud research. Below is a selection of summaries highlighting recently-published ARM research. The entire collection of ARM Research Highlights can be accessed using the sorting buttons at right.

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Dust Takes Detour on Ice-Cloud Journey

Oct 15, 2014 Funded By: ARM ASR

Wrapped in pollution, dust diverts from its usual course and steers clear of water. Researchers at Pacific Northwest National Laboratory found the result closes one more gap in understanding how and when cloud ice crystals form. They found that dust, usually a primary catalyst encouraging ice formation, when modified by pollution from combustion, becomes less [...]

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Interactions Between Cumulus Convection and Its Environment as Revealed by MC3E

Oct 13, 2014 Funded By: ARM ASR

After decades of effort, accurately representing cumulus convection is still one of the most challenging tasks for weather and climate modeling. This is primarily because the interaction between cumulus convection and its environment has not been fully understood. Previous budget diagnostic studies have often targeted tropical convective systems given the dominant role these convective systems [...]

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First Observations of Tracking Clouds Using Scanning ARM Cloud Radars

Oct 05, 2014 Funded By: ARM ASR

Scanning cloud radars provide new opportunities to map clouds and their evolution. Specifically, these radars observe cloud particles well in advance of large droplet formation, while also capturing the clouds at spatial and temporal scales sufficient for continuous tracking algorithms. To better demonstrate the capabilities of the new Scanning ARM Cloud Radars (SACR) at the [...]

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Validation of CERES-MODIS Cloud Retrievals Using the Azores Data

Sep 26, 2014 Funded By: ARM ASR

Marine boundary layer (MBL) cloud properties derived for the National Aeronautics and Space Administration (NASA) Clouds and the Earth's Radiant Energy System (CERES) Project using Terra and Aqua Moderate Resolution Imaging Spectroradiometer (MODIS) data are compared with observations taken at the ARM Mobile Facility at the Azores (AMF-Azores) site from June 2009 through December 2010. [...]

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Diurnal Variation of MBL Cloud Properties over the Azores

Sep 26, 2014 Funded By: ARM ASR

For the single-layered marine boundary layer (MBL) cloud microphysical properties, Dong, Xi, and Wu (2014) provided the diurnal variations of cloud liquid water path (LWP) and liquid water content (LWC). However, they only presented the daytime LWP, LWC, cloud-droplet effective radius (re), number concentration (Nd), and cloud optical depth (τ), as well as surface measured [...]

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