Sinkhole

The land surface above collapse or sinks into the cavities or when

surface material is carried downwards into the voids

Sinkholes can be triggered by human activities such as1. Over withdrawal of groundwater2. Diverting surface water from a large area and concentrating it in a single point3. Artificially creating ponds of surface water4. Drilling new water wells

Anywhere with Irregular landscapes

CavesMost caves are created at or just below the water table in the zone of saturation in limestone. If the water table is stable large openings can be created because water would contact all surfaces of the cave dissolving the limestone at a large scale. Most caves are created at or just

below the water table in the zone of saturation in limestone. Caves can form because of erosion they also show signs

of deposition .

Caves are mostly found in northwest Georgia.

Oxbow lake

An oxbow lake starts out as a curve, or meander, in a river. A lake forms as the river finds a different,

shorter, course. The meander becomes an oxbow lake along the

side of the river.Oxbow lakes usually form in flat, low-lying plains close to where the river empties into another body of water. On these plains, rivers often have wide meanders.

Most are found in New York

Meanders shift position. During a flood a stream may cut a new channel that by passes a meander. The cut off meander forms a crescent shaped lake, which is called an oxbow lake

Drumlins

Are hills that form from piles of deposited glacial drift.

Found by mountains

Erratics

Are large boulders that were transported and deposited by

glaciers.

Found in glaciers mountains

Kettle lake

Form when chunks of ice are deposited by a glacier and glacial drift builds up around the ice chunks. When the ice melts becomes a

lake.

By mountains

Karst Topography

Forms on limestone or other soluble rock and is characterized by cravens, sinkholes, and streams that disappear underground.

Indiana, Missouri, and Kentucky, as we as other limestone regions.

Alpine glacier

Flowing water in a stream forms a v- shaped valley. An alpine glacier is a glacier that

forms in a V-shaped Valley between mountains.

Found in mountains

Continental glacier

the Arctic, Antarctic circles, Greenland and islands in the polar regions.

Continental glaciers form at high latitudes where temperatures remain cold enough during the summer to keep the previous winter's snow from melting allowing snow and ice to accumulate.

Cirque

Are bowl shaped depressions where glacial ice cuts back into the

mountain walls.

Erosional Landform

Hanging valley

Small glacial valleys that join the deeper main valley. Manny valley

form waterfalls after the ice is gone.

Erosional Landform Alaska

U-shaped valley

Glacier erodes a river valley . The valley changes form its original V-

shaped to a U-shaped.

New Zealand

V-shaped valley

Flowing water in a stream forms a v- shaped valley.