Data from NASAs Terra satellite is adding to our understanding of how pollution spreads around the globe. The information will help scientists protect and understand the Earth.
Pollution Outflow from Spring 2003 Fires in Siberia
In the spring of 2003 there were large numbers of fires in Siberia, especially in the Baikal region. These were detected by the MODIS instrument on the Terra satellite (top). This graphic shows the number of fires detected during the month of May, 2003. These fires produced large amounts of fine carbon aerosol which spread out over the Pacific Ocean (center). The suspended particles, also detected by MODIS, only last for a few days. The MOPITT instrument on the Terra satellite measures carbon monoxide gas (CO). CO was also produced by the fires (bottom). This pollutant can last for over a month. The longer lifetime allows the gas to cross the Pacific Ocean and reduce air quality over North America before continuing on around the globe. Credit: David Edwards, NCAR
NASA funded scientists from the National Center for Atmospheric Research (NCAR), Boulder, Colo., will present two studies focusing on global air pollution. Their presentations are part of the 2004 Joint Assembly of the American and Canadian Geophysical Unions.
David Edwards will discuss "Observations of Carbon Monoxide and Aerosol from the Terra Satellite: Northern Hemisphere Variability," on Thursday at 8:45 a.m. EDT in room 520D of the Palais des Congrès, Montreal. Cathy Clerbaux will discuss, "Tracking of Pollution Plumes Using Measurements of Pollution in the Troposphere (MOPITT) Measurements," at 9:30 a.m. EDT.
Gretchen Cook-Anderson | GSFC
How does the loss of species alter ecosystems?
18.05.2017 | Deutsches Zentrum für integrative Biodiversitätsforschung (iDiv) Halle-Jena-Leipzig
Excess diesel emissions bring global health & environmental impacts
16.05.2017 | International Institute for Applied Systems Analysis (IIASA)
Two-dimensional magnetic structures are regarded as a promising material for new types of data storage, since the magnetic properties of individual molecular building blocks can be investigated and modified. For the first time, researchers have now produced a wafer-thin ferrimagnet, in which molecules with different magnetic centers arrange themselves on a gold surface to form a checkerboard pattern. Scientists at the Swiss Nanoscience Institute at the University of Basel and the Paul Scherrer Institute published their findings in the journal Nature Communications.
Ferrimagnets are composed of two centers which are magnetized at different strengths and point in opposing directions. Two-dimensional, quasi-flat ferrimagnets...
An Australian-Chinese research team has created the world's thinnest hologram, paving the way towards the integration of 3D holography into everyday...
In the race to produce a quantum computer, a number of projects are seeking a way to create quantum bits -- or qubits -- that are stable, meaning they are not much affected by changes in their environment. This normally needs highly nonlinear non-dissipative elements capable of functioning at very low temperatures.
In pursuit of this goal, researchers at EPFL's Laboratory of Photonics and Quantum Measurements LPQM (STI/SB), have investigated a nonlinear graphene-based...
Dental plaque and the viscous brown slime in drainpipes are two familiar examples of bacterial biofilms. Removing such bacterial depositions from surfaces is...
For the first time, scientists have succeeded in studying the strength of hydrogen bonds in a single molecule using an atomic force microscope. Researchers from the University of Basel’s Swiss Nanoscience Institute network have reported the results in the journal Science Advances.
Hydrogen is the most common element in the universe and is an integral part of almost all organic compounds. Molecules and sections of macromolecules are...
22.05.2017 | Event News
17.05.2017 | Event News
16.05.2017 | Event News
22.05.2017 | Materials Sciences
22.05.2017 | Life Sciences
22.05.2017 | Physics and Astronomy