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Sivash Sea on Isthmus of Perekop, Crimea, Ukraine

44.9N 34.1E

December 8th, 2011 Category: Lakes

Ukraine - November 25th, 2011

Crimea, is a sub-national unit, an autonomous republic, of Ukraine. It is located on the northern coast of the Black Sea (blue, below) and on the western coast of the Sea of Azov (green, upper right), on the Crimean Peninsula, bordering Kherson Oblast from the North. Crimea’s total land area is 26,100 km2 (10,077 sq mi).

Crimea is connected to the mainland by the 5–7 kilometres (3.1–4.3 mi) wide Isthmus of Perekop. However, it is almost cut off from the mainland by the Sivash Sea, actually a large system of shallow, silty lagoons. Here, the lagoons show varied, bright colors, ranging from lime green to electric blue to pink.

At the eastern tip of Crimea is the Kerch Peninsula, which is directly opposite the Taman Peninsula on the Russian mainland. Between the Kerch and Taman peninsulas, lies the 3–13 kilometres (1.9–8.1 mi) wide Strait of Kerch, which connects the waters of the Black Sea with the Sea of Azov.

The Crimean coastline is broken by several bays and harbors. The southeast coast is flanked at a distance of 8–12 kilometres (5.0–7.5 mi) from the sea by a parallel range of mountains, the Crimean Mountains. These mountains are backed by secondary parallel ranges. Seventy-five percent of the remaining area of Crimea consists of semiarid prairie lands, a southward continuation of the Pontic steppes, which slope gently to the northwest from the foot of the Crimean Mountains.

Green Sediments by the Kerch Strait, Ukraine and Russia – May 23rd, 2010

45.3N 36.6E

May 23rd, 2010 Category: Image of the day, Sediments

Black Sea - April 28th, 2010

Black Sea - April 28th, 2010

The Kerch Strait connects the Black Sea and the Sea of Azov, separating the Kerch Peninsula in the west from the Taman Peninsula in the east. The strait is 4.5 kilometres (2.8 mi) to 15 kilometres (9.3 mi) wide and up to 18 metres (59 ft) deep.

The most important harbor is the Crimean city of Kerch (Ukraine) which gives its name to the strait, formerly known as the Cimmerian Bosporus.

The Russian side of the strait contains the Taman Bay encircled by the Tuzla Spit to the south and Chushka Spit to the north. The most important settlement on the Russian side is Taman where an important cargo port is under construction.

Cloud Streets and Wave Clouds Over Black Sea and Near Turkey – February 9th, 2010

43.0N 35.0E

February 9th, 2010 Category: Clouds, Image of the day

Turkey - January 25th, 2010

Turkey - January 25th, 2010

Parallel rows of cumulus clouds create a striped pattern over the Black Sea and the Sea of Azov (upper right corner). This phenomenon, known as cloud streets, stretches from the Ukraine in the North to  Turkey in the South. Parts of Russia (upper right), Moldova, Romania and Bulgaria (left side, from above to below) are also visible.

Upon opening the full image, all of Turkey and parts of the Mediterranean Sea are visible. A cloud phenomenon can be observed here as well: ridged or wavelike patterns, known as wave clouds.

Cloud Streets Over Black Sea and Ice Over Sea of Azov

43.5N 33.0E

January 31st, 2010 Category: Clouds

Russia - January 26th, 2010

Russia - January 26th, 2010

Cloud streets are rows of cumulus or cumulus-type clouds aligned parallel to the low-level wind. Here, such cloud streets form rows of parallel lines over the Black Sea, seemingly connecting the land by the Strait of Kerch (above center) in the north to Turkey in the south.

Much of the land visible is coated in snow, particularly Russia (upper right quadrant) and Ukraine and the Crimean Peninsula (upper left quadrant), while the Turkish landscape below shows some snow-free areas.

Reflecting these cold, wintery weather conditions is the Sea of Azov, which appears partially ice-covered. The shallowness and low salinity of the sea make it vulnerable to freezing during winter. Formation of sea ice can occur temporarily at any time from late December to mid-March.

Rivermouths Along the Sea of Azov and the Black Sea

45.0N 34.0E

September 21st, 2009 Category: Lakes, Rivers

Black Sea - August 16th, 2009

Black Sea - August 16th, 2009

The Dnieper River flows across Ukraine, first southeast then southwest, into the Black Sea. Further southwest along the shoreline, the mouth and delta of the Danube River can also be seen.

On the right, in Russia, the Don River spills through Taganrog Bay into the  Sea of Azov , which is in turn connected to the Black Sea through the Strait of Kerch.

Lying in the north central part of the Black Sea is the Crimean Peninsula, whose connection to the Ukrainian mainland via the Isthmus of Perekop is punctuated by the salty, marshy inlets of the Sivash Sea.

Both the Danube and the Dnieper can be seen releasing  some sediments into the Black Sea, although the concentration appears to heavier in the Sea of Azov near the mouth of the Don.

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