Rivers
Mtkvari or Kura? Following the Flow of the South Caucasus
Many readers meet this river under two different names and assume they are looking at two different waterways. They are not. The confusion comes…
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Landforms
What Is a Doline? Karst Sinkholes Explained
A doline (also seen as “dolina”) is one of the most recognizable features of karst terrain: a closed depression that pulls water inward and…
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Geology
Ventifact Explained: Wind-Polished Rocks in Deserts
A ventifact is one of the clearest “signatures” of wind erosion: a rock face worn smooth, faceted, or pitted by airborne sand. They’re common…
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Geology
What Is a Deflation Hollow? Wind Erosion Explained Simply.
A deflation hollow is a shallow ground depression formed when wind lifts and carries away loose sediment from the surface (a process called deflation).
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Landforms
Glacial Erosion Landforms: Ice-Carved Valleys, Fjords, and More
Glacial erosion landforms are bedrock shapes carved by moving glacier ice. The trick is that ice erodes valley floors and walls at the same…
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Landforms
Water Erosion Landforms: Rivers, Rain, and Flowing Water
Water erosion landforms are the shapes made when moving water removes rock or soil and carries it away. Rivers carve valleys and gorges. Storm…
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Landforms
Wind Erosion Landforms: Types, Examples, and How They Form
Wind erosion landforms are the shapes left behind when moving air becomes a cutting tool—sand as sandpaper, dust as cargo, and bare ground as…
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Landforms
Landforms Created by Erosion: Types, Processes, and Examples
A cliff face that looks freshly cut, a valley narrowed into a gorge, a desert ridge shaped like it’s been sanded into alignment—erosion leaves…
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Deserts
What Is a Yardang? Wind-Carved Desert Ridges Explained Simply
In some of the world’s driest deserts, wind doesn’t just move sand — it carves the ground itself into long, streamlined ridges. Those ridges…
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Lakes
Saltiest Lakes in the World: Salt, Water and Change
A salt lake can be a tiny Antarctic pond, a desert basin or a broad inland sea. Their waters may all taste nothing like…
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Landforms
9 Unusual Landforms and How They Form
A valley can become a ridge. A stream can appear briefly in daylight before disappearing underground. A rounded granite hill can be broken into…
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Landforms
The Deepest Points on Each Continent (Not What You Think)
A continental low point may be a desert salt flat, a lake shore or a lake bed that is dry only part of the…
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