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Posts tagged Sediments

Phytoplankton Near King Sound, Australia

16.8S 121.9E

June 12th, 2013 Category: Phytoplankton, Sediments VIIRSSuomi-NPP

Australia – June 10th, 2013

Sediments color the waters of King Sound, in north-west Australia, famous for its tides that can reach up to 11.8 m (the second biggest tides in the world, after the Bay of Fundy, Nova Scotia). West of the sound, a bluish green stain of phytoplankton can be seen just offshore.

Sediments and Phytoplankton by Argentine Patagonia

45S 65.1W

June 9th, 2013 Category: Phytoplankton, Sediments MODISTerra

Argentina – June 8th, 2013

Sediments and phytoplankton can be seen off the coast of Argentine Patagonia. The greenish plume of color streaming northeastward off Peninsula Valdes (center) is likely caused by sediments, while the band of green containing swirled patterns that is parallel, but not connected to, the coast of the San Jorge Gulf (below), is likely due to phytoplankton.

Sediment Loads of the Amazon River, Brazil

0.3N 49.9W

June 4th, 2013 Category: Rivers, Sediments MODISAqua

Brazil – June 4th, 2013

Sediment loads can be calculated by converting cosmogenic nuclide-derived rates using their sediment-producing areas. The fluctuations in the modern sediment loads of the Amazon River are due to the absence of long-term deposition within the basin and to the buffering capability of the large Amazon floodplain. The buffering capability dampens short-term, high-amplitude fluctuations (climatic variability in source areas and anthropogenic soil erosion) by the time the denudation rate signal of the hinterland is transmitted to the outlet of the basin (click here for more information).

Sediments and Phytoplankton by Melville Island, Australia – June 3rd, 2013

11.5S 131.1E

June 3rd, 2013 Category: Fires, Image of the day, Phytoplankton, Sediments

Australia – June 1st, 2013

Sediments cause the coastline of Australia’s Northern Territory to appear bright shades of gold and green, particularly in the Joseph Bonaparte Gulf (lower left quadrant) and the Van Diemen Gulf (upper right quadrant) between the mainland and Melville Island. A darker green and blue expanse of water west of the island may be colored as such due to phytoplankton rather than sediments. On the mainland, several plumes of smoke from fires can be seen blowing towards the west-northwest.

Sediments of East Anglian Plume, United Kingdom

71.5N 23.4E

May 28th, 2013 Category: Sediments

United Kingdom – May 27th, 2013

There is seasonal variation in the suspended sediment distribution in the Southern North Sea. The East Anglian plume, a region of relatively high concentrations, develops eastward from eastern England across the Southern Bight during the winter. During the summer the plume concentrations are lower.

Scientists studying the fluxes within the plume suggest that 6.6×106 t of suspended matter was transported eastward in one year, with possible errors of ±50%. Comparison with published sediment budgets for the coastal area of eastern England shows that the plume constitutes a major feature transporting sediment across the North Sea (click here for more information).

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