Arête: a group sharp ridges of rocks on mountain tops usually caused by melting glaciers.
Aseismic Ridge: Chain of seamounts under the ocean created by a hotspot under the Earth’s crust
Arroyo: a creek that is sometimes dry during the year from not having a constant water source such as rain.
Badlands: barren, battered and eroded land from water and shaped with the help of wearing and wind-driven sand and rain.
Barchan: is a sand dune that crescent-shape that faces the wind. The convex shape is formed by the constant blow of wind in one direction.
Barrier Island: an island or group of island, usually in the ocean, that protects the nearby mainland coast from erosion.
Basin: An area of land largely enclosed by higher land.
Bay: part of a body of salt water that reaches into the land; usually smaller than a gulf
Bayou: A slow moving body of water in a low lying area, usually near the coast, with swamp or marshland in some portions of the shoreline.
Beach: A sloping shoreline consisting of sand, gravel, soil or other sediment.
Beach Cusps: Beach formation in the form of an arc with a cusp or point at each end
Beach Ridge: Elevated formation of sand or other beach material running parallel to a shoreline
Bight: A curve like a bay landform that that has less curve than a bay.
Bluff: a cliff looking over a body of water or plain.
Bornhardt: a rock formation with steep or vertical sides and a round or dome-shaped top usually with little or no vegetation.
branch (tributary) a river or stream that flows into a larger river or stream
Blowhole: a hole connected to a cave that is attached to a water system that builds up pressure through waves, current or wind. When the pressure is great enough, water is release, usually in a spouting manner.
Blowout: A depression or a major loss in vegetation in the ground where the wind has blown away sand or topsoil.
Braided River: A river that has three or move channels that come back together or drain into the same body of water.
Butte: A rock formation with vertical or nearly vertical sides that is flat on top and taller than it is wide
Canal: a man-made waterway connecting two bodies of water and is designed to shorten travel time or irrigate
Canyon: narrow valley with steep sides; usually created by erosion
Cape: a curved or hooked piece of land extending into a body of water
Cave: a hallow space in the ground or mountain with an opening to enter.
Cenote: a collapsed are, usually limestone, with exposed water.
Channel: a narrow deep waterway connecting two larger bodies of water; the deepest part of the waterway.
climate the pattern of weather conditions (temperature, precipitation) over a long period of time