Landforms
Sargasso Sea: Map and the Sea Without Land Shores
The Sargasso Sea is an open-ocean region within the North Atlantic subtropical gyre, defined by circulating currents rather than an enclosing coastline. It is…
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133 articles
Lake Salda · Geology
Lake Salda: Türkiye Map and White-Shore Geology
Lake Salda is a closed-basin, alkaline lake in Burdur Province, southwestern Türkiye, known for its white mineral shoreline. Its magnesium-rich waters support unusual carbonate…
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Landforms
What Is a River Terrace? Formation, Types and Diagrams
A river terrace is a step-like remnant of an older river valley floor, left above the active channel after the river cuts to a…
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Landforms
What Is an Alluvial Fan? Formation, Diagrams and Examples
An alluvial fan is a spreading accumulation of sediment where a stream or sediment-rich flow leaves a confined valley and deposits material on more…
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Ebro River · Landforms
Ebro River Map: From Northern Spain to the Delta
The Ebro begins close to Spain’s northern coast but does not take the short route to the Bay of Biscay. Its course leads inland…
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Lisbon · Landforms
Tagus River Map: Tajo, Tejo and the Route to Lisbon
The river beside Lisbon has already crossed a large part of Spain before it reaches Portugal. Its changing name can hide that continuity: the…
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Portugal · Borders
Douro River Map: Duero, the Border and the Wine Valley
The Douro and Duero are the same river: Douro is its Portuguese name and Duero its Spanish name. It rises in Spain, crosses the…
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Kathmandu · Cities & capitals
Kathmandu Geography: Valley, Rivers and Heritage Map
Kathmandu is a Himalayan capital, but the streets at its center do not sit on a snowy summit. The city occupies a much gentler…
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Niger River · Countries & regions
Niger River Map: Route, Countries and Two Deltas
The Niger River’s route is easy to misread: it starts in Guinea, curves far into the West African interior, and reaches the Atlantic in…
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Volga River · Lakes
Volga River Map: Course, Tributaries and the Caspian Sea
The Volga flows through European Russia from the Valdai Hills to the Caspian Sea. About 2,193 miles (3,530 kilometers) long, it is Europe's longest…
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Landforms
Why Is the Baltic Sea Brackish? Salinity Explained
The Baltic is a sea, but its water is much less salty than ordinary open-ocean water. The explanation lies in its water budget and…
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Countries & regions
Lake Victoria: Map, Countries, Depth and Nile Connection
Lake Victoria looks like a single blue shape on a map, but its geography involves three different scales: the lake shared by three countries,…
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