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Seasonal Changes in Sediments in Lake Van, Turkey

38.6N 42.9E

April 29th, 2013 Category: Lakes, Sediments

Turkey – April 28th, 2013

The varved sediments (the layer or series of layers of sediment deposited in a body of still water in one year) of Lake Van (the greyish white salt lake in the upper right quadrant), in Turkey, provide a high-quality continental archive of seasonal to decadal-scale climate variability. Remotely-sensed total suspended-matter concentrations, validated by contemporaneous water-column sampling, show great temporal and lateral variations (whitings and turbidity plumes).

From 2006 to 2009, sequential sediment traps recorded high particle fluxes during spring and fall, medium fluxes during summer, and almost zero flux during winter. Some fluxes are controlled by river discharge (precipitation and snowmelt) during spring, by high productivity during summer, and by river discharge (precipitation before snowfall starts) and mixing during fall (click here for more information).

Dust Over Mediterranean Sea and Turkey

33.2N 33.2E

April 5th, 2013 Category: Dust Storms

Egypt – April 3rd, 2013

Days after an intense dust storm that blasted sand and other particles over northern Egypt, the Mediterranean Sea and the Middle East (click here for previous images), a veil of dust continues to hang over the region. Here, dust can be seen over the Mediterranean and, in the full image, reaching northeastward up to Turkey.

Borders Feature Revealing Lakes Near Turkey

40.3N 45.3E

February 10th, 2013 Category: Clouds, Lakes

Iran, Turkey, Armenia – January 27th, 2013

This cloud-covered image highlights the use of the Chelys Satellite Rapid Response System (SRRS) “borders” feature, which overlays countries’ boundaries on satellite images. Here, Iran, Turkey, Georgia, Russia and Azerbaijan can be observed counterclockwise from the bottom right, with Armenia in the center. While Lake Van, in Turkey, is partially visible through the clouds, the borders feature shows the location of other lakes that would be hidden: Lake Urmia (bottom), in Iran, Lake Sevan (center), in Armenia, and the Mingachevir Reservoir (upper right), in Azerbaijan.

Mediterranean Features by Turkey and Egypt

33.7N 29.7E

May 5th, 2012 Category: Lakes, Rivers

Turkey - April 28th, 2012

This image stretches from Turkey (above), across the Mediterranean Sea to Egypt (lower right) and Libya (lower left). The large islands in the Mediterranean are Cyprus (right) and Crete (left). North of Crete are many smaller Aegean Islands, belonging to both Turkey and Greece.

Other important bodies of water in the image include the Nile River and Nile Delta. Located just east of the delta is the Suez Canal, connecting the Mediterranean Sea to the Red Sea. To the north, in Turkey, are several lakes in the Turkish Lakes Region. The largest two are the bright turquoise Lake Eğirdir (left) and Lake Beyşehir (right). To their northeast is Lake Van, appearing as a bright white salt flat.

Istanbul in Turkey’s Marmara Region – April 19th, 2012

41.0N 28.9E

April 19th, 2012 Category: Image of the day

Turkey - January 2nd, 2012

This wide-swath ASAR image shows Turkey’s Marmara Region, so-named for the Sea of Marmara (below). The city of Istanbul can be observed near the image center, situated on both sides of the Bosphorus Strait; its most populated areas appear bright white. The strait connects the Sea of Marmara to the Black Sea (above). Much of the terrain of the Marmara Region consists of rolling plateau country well suited to agriculture.