U.S. Department of Energy Office of Biological and Environmental Research

BER Research Highlights

First Ever Long-Term Aircraft Measurements of Clouds
Published: January 26, 2009
Posted: February 09, 2009

A long-term, aerial field campaign to sample low-altitude, liquid-water clouds will begin January 23 at the Southern Great Plains Atmospheric Radiation Measurement (ARM) Climate Research Facility (ACRF) in Oklahoma.  Different from the typical short duration aircraft campaigns, the campaign will run for six months to obtain, for the first time, representative in situ statistics of cloud properties and their seasonal variations, information needed for model improvements.  The campaign will obtain representative statistics of the physical and radiative properties of low-level, liquid-water clouds to address aerosol-cloud interactions and improve cloud simulations in climate models. Currently there are large discrepancies in the radiative responses simulated by models in regions dominated by low-level cloud cover, and large areas of the globe are covered by these regions.  Further, the properties of thin, low-level clouds are very sensitive to changes in aerosol loading and the aerosol effect on the reflectivity of clouds is a dominant uncertainty in radiative forcing.

Contact: Rickey Petty and Wanda Ferrell, SC-23.1, (301) 903-5548 and (301) 903-3281
Topic Areas:

  • Research Area: Earth and Environmental Systems Modeling
  • Research Area: Atmospheric System Research
  • Facility: DOE ARM User Facility

Division: SC-23.1 Climate and Environmental Sciences Division, BER


BER supports basic research and scientific user facilities to advance DOE missions in energy and environment. More about BER

Recent Highlights

Aug 24, 2019
New Approach for Studying How Microbes Influence Their Environment
A diverse group of scientists suggests a common framework and targeting of known microbial processes [more...]

Aug 08, 2019
Nutrient-Hungry Peatland Microbes Reduce Carbon Loss Under Warmer Conditions
Enzyme production in peatlands reduces carbon lost to respiration under future high temperatures. [more...]

Aug 05, 2019
Amazon Forest Response to CO2 Fertilization Dependent on Plant Phosphorus Acquisition
AmazonFACE Model Intercomparison. The Science Plant growth is dependent on the availabi [more...]

Jul 29, 2019
A Slippery Slope: Soil Carbon Destabilization
Carbon gain or loss depends on the balance between competing biological, chemical, and physical reac [more...]

Jul 15, 2019
Field Evaluation of Gas Analyzers for Measuring Ecosystem Fluxes
How gas analyzer type and correction method impact measured fluxes. The Science A side- [more...]

List all highlights (possible long download time)