NASA's Aqua and Terra satellites captured before and after images of Bermuda and surrounding waters before and after Hurricane Gonzalo struck the island on Oct. 17. The images revealed how Gonzalo stirred up the sediment from the ocean bottom.
The MODIS instrument or Moderate Resolution Imaging Spectroradiometer that flies aboard NASA's Aqua and Terra satellites provided imagery of Bermuda and the stirred sediment.
In a comparison of imagery before and after Hurricane Gonzalo passed, the after image showed sediment streaming east and south of Bermuda.
The MODIS instrument aboard NASA's Aqua satellite captured a "before" look of Bermuda on Oct. 4 at 17:20 UTC (1:20 p.m. EDT). The MODIS instrument aboard NASA's Terra satellite captured the "after" image from Oct. 19 at 15:00 UTC (11 a.m. EDT).
Whenever a hurricane moves over an area, it stirs up sediment from the ocean bottom. In more shallow areas the mixing of sediment to the surface is more visible on satellite imagery.
Around Bermuda, the ocean is shallow. There are coral reefs and banks that can be seen under the surface when waters are clear. Bermuda's coral reefs are some of the northern-most reefs in the North Atlantic.
In the MODIS images a lighter blue area traces the outline of the shallow waters around the reef. The deeper water around it appears dark blue.
Run off of sand dirt from the island fans out in tan and light green plumes. The extra nutrients that the run-off and bottom sediment bring to the surface may be feeding surface-dwelling ocean plants, which may also color ocean waters turquoise.
As the sediment settles around Bermuda, the United Kingdom was dealing with post-tropical cyclone Gonzalo's remnants.
Gonzalo's remnants were bringing heavy rains and gusty winds to much of the United Kingdom on Tuesday, Oct. 21. The U.K. Meteorological Service forecast wind gusts between 40 and 50 mph. In some coastal areas, winds could reach 60 to 70 mph. For updated forecasts from the U.K. Met Service, visit: http://www.metoffice.gov.uk.
Rob Gutro | Eurek Alert!
A promising target in the quest for a 1-million-year-old Antarctic ice core
24.05.2018 | University of Washington
Tropical Peat Swamps: Restoration of Endangered Carbon Reservoirs
24.05.2018 | Leibniz-Zentrum für Marine Tropenforschung (ZMT)
The more electronics steer, accelerate and brake cars, the more important it is to protect them against cyber-attacks. That is why 15 partners from industry and academia will work together over the next three years on new approaches to IT security in self-driving cars. The joint project goes by the name Security For Connected, Autonomous Cars (SecForCARs) and has funding of €7.2 million from the German Federal Ministry of Education and Research. Infineon is leading the project.
Vehicles already offer diverse communication interfaces and more and more automated functions, such as distance and lane-keeping assist systems. At the same...
A research team led by physicists at the Technical University of Munich (TUM) has developed molecular nanoswitches that can be toggled between two structurally different states using an applied voltage. They can serve as the basis for a pioneering class of devices that could replace silicon-based components with organic molecules.
The development of new electronic technologies drives the incessant reduction of functional component sizes. In the context of an international collaborative...
At the LASYS 2018, from June 5th to 7th, the Laser Zentrum Hannover e.V. (LZH) will be showcasing processes for the laser material processing of tomorrow in hall 4 at stand 4E75. With blown bomb shells the LZH will present first results of a research project on civil security.
At this year's LASYS, the LZH will exhibit light-based processes such as cutting, welding, ablation and structuring as well as additive manufacturing for...
There are videos on the internet that can make one marvel at technology. For example, a smartphone is casually bent around the arm or a thin-film display is rolled in all directions and with almost every diameter. From the user's point of view, this looks fantastic. From a professional point of view, however, the question arises: Is that already possible?
At Display Week 2018, scientists from the Fraunhofer Institute for Applied Polymer Research IAP will be demonstrating today’s technological possibilities and...
So-called quantum many-body scars allow quantum systems to stay out of equilibrium much longer, explaining experiment | Study published in Nature Physics
Recently, researchers from Harvard and MIT succeeded in trapping a record 53 atoms and individually controlling their quantum state, realizing what is called a...
25.05.2018 | Event News
02.05.2018 | Event News
13.04.2018 | Event News
25.05.2018 | Event News
25.05.2018 | Machine Engineering
25.05.2018 | Life Sciences