In the clouds above Darwin, Australia, pilots guided by a team of international climate scientists are now one week into a series of carefully orchestrated flights to obtain key in situ data about tropical clouds. Preliminary results obtained from instrumentation on the Proteus --a space-age aircraft equipped with a suite of highly sophisticated sensors -- reveal superior images of ice crystals in high-altitude tropical cirrus clouds.
"These images, combined with data from other aircraft probes, will provide us with a complete data set of detailed information about ice clouds, particularly the numbers of small ice crystals--a parameter that is poorly known and of considerable importance for understanding how clouds affect radiation and climate," said Dr. Greg McFarquhar, one of many U.S. scientists involved in the effort and funded by the Department of Energys Atmospheric Radiation Measurement (ARM) Program.
The images were taken by the Cloud Particle Imager, an instrument developed by SPEC Inc. that provides very high resolution images of ice crystals. They were obtained as the Proteus aircraft was climbing through a thin layer of aged cirrus clouds, collecting data to help scientists determine how the properties of ice clouds, including particle size and shape, vary with temperature and altitude. These factors influence the longevity of the cloud, and therefore the amount of radiative energy both reaching and escaping the earth.
Massive impact crater from a kilometer-wide iron meteorite discovered in Greenland
15.11.2018 | Faculty of Science - University of Copenhagen
The unintended consequences of dams and reservoirs
14.11.2018 | Uppsala University
Researchers at the University of New Hampshire have captured a difficult-to-view singular event involving "magnetic reconnection"--the process by which sparse particles and energy around Earth collide producing a quick but mighty explosion--in the Earth's magnetotail, the magnetic environment that trails behind the planet.
Magnetic reconnection has remained a bit of a mystery to scientists. They know it exists and have documented the effects that the energy explosions can...
Biochips have been developed at TU Wien (Vienna), on which tissue can be produced and examined. This allows supplying the tissue with different substances in a very controlled way.
Cultivating human cells in the Petri dish is not a big challenge today. Producing artificial tissue, however, permeated by fine blood vessels, is a much more...
Faster and secure data communication: This is the goal of a new joint project involving physicists from the University of Würzburg. The German Federal Ministry of Education and Research funds the project with 14.8 million euro.
In our digital world data security and secure communication are becoming more and more important. Quantum communication is a promising approach to achieve...
On Saturday, 10 November 2018, the research icebreaker Polarstern will leave its homeport of Bremerhaven, bound for Cape Town, South Africa.
When choosing materials to make something, trade-offs need to be made between a host of properties, such as thickness, stiffness and weight. Depending on the application in question, finding just the right balance is the difference between success and failure
Now, a team of Penn Engineers has demonstrated a new material they call "nanocardboard," an ultrathin equivalent of corrugated paper cardboard. A square...
09.11.2018 | Event News
06.11.2018 | Event News
23.10.2018 | Event News
16.11.2018 | Health and Medicine
16.11.2018 | Life Sciences
16.11.2018 | Life Sciences