Situated between the continental shelf of the eastern United States and the north wall of the Gulf Stream flowing eastward from Cape Hatteras, the Slope Sea is a transition region between the productively rich coastal waters and the productively static open ocean.
In the current SeaWiFS special issue of Deep Sea Research II, University of Rhode Island oceanographers Stephanie E. Schollaert, Thomas Rossby, and James Yoder describe their four-year, NASA-funded study of the Slope Sea along the Gulf Stream in order to understand the processes that control the yearly variability of surface concentrations of chlorophyll, the pigment found in plants and algae.
Annually, cold, fresh Labrador waters "spill" into the Slope Sea, influencing the path of the Gulf Stream, pushing it south in the spring. Since the advent of ocean color remote sensing in 1978 and particularly since the 1997 launch of the dedicated ocean color sensor SeaWiFS, the surface chlorophyll concentration of waters off the U.S. east coast have been found to be highest in the north (e.g., Gulf of Maine, Georges Bank, Labrador shelf) and during the winter when the Gulf Stream is farthest south and more Labrador water is present.
Lisa Cugini | EurekAlert!
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Using ultrafast flashes of laser and x-ray radiation, scientists at the Max Planck Institute of Quantum Optics (Garching, Germany) took snapshots of the briefest electron motion inside a solid material to date. The electron motion lasted only 750 billionths of the billionth of a second before it fainted, setting a new record of human capability to capture ultrafast processes inside solids!
When x-rays shine onto solid materials or large molecules, an electron is pushed away from its original place near the nucleus of the atom, leaving a hole...
For the first time, physicists have successfully imaged spiral magnetic ordering in a multiferroic material. These materials are considered highly promising candidates for future data storage media. The researchers were able to prove their findings using unique quantum sensors that were developed at Basel University and that can analyze electromagnetic fields on the nanometer scale. The results – obtained by scientists from the University of Basel’s Department of Physics, the Swiss Nanoscience Institute, the University of Montpellier and several laboratories from University Paris-Saclay – were recently published in the journal Nature.
Multiferroics are materials that simultaneously react to electric and magnetic fields. These two properties are rarely found together, and their combined...
MBM ScienceBridge GmbH successfully negotiated a license agreement between University Medical Center Göttingen (UMG) and the biotech company Tissue Systems Holding GmbH about commercial use of a multi-well tissue plate for automated and reliable tissue engineering & drug testing.
MBM ScienceBridge GmbH successfully negotiated a license agreement between University Medical Center Göttingen (UMG) and the biotech company Tissue Systems...
Pathogenic bacteria are becoming resistant to common antibiotics to an ever increasing degree. One of the most difficult germs is Pseudomonas aeruginosa, a...
Scientists from the MPI for Chemical Energy Conversion report in the first issue of the new journal JOULE.
Cell Press has just released the first issue of Joule, a new journal dedicated to sustainable energy research. In this issue James Birrell, Olaf Rüdiger,...
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