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27 Cards in this Set

  • Front
  • Back

Sub-tropical Desert:

Formed by sub-tropical high pressures.

Trade Winds Desert:

Created by trade winds.

Mid-Lattitude Desert:

Influenced by the sub-tropical high and inland areas are a far distance from oceans. Caleld continentality.

Monsoon Desert

Experiences seasonal precipitation increases.

Coastal Desert

They occur where cold ocean currents corder a warmer land mass. The water is too cold to evaporate so the region stays dry.

Orographic Desert

Where the dominant winds in a region are blocked by mountain ranges. The moisture is lost as it is precipitated on the mountain.

Polar Desert

Where the temperatures are so cold that freezing level is rarely met.

Amount of Wind Directions needed to form sand dunes.

One

Straight Channel

Rarely forms in nature, forms in short distances along fault lines, or bedrock.

Braided Stream

Multiple interconnected shallow channels produced by an inability to transport a large stream load.

Meandering Stream

Has a single, winding channel that twists and curves as it flows.

Where does degradation occur?

When the stream channel removes sediment from the channel.

Where does aggradation occur?

Occurs when the stream can't transport any more sediment and deposits it.

How to calculate Hydraulic Radius?

Hydraulic Radius =
width * depth / width + 2(depth)
wd/w+2d

Stream Orders:

First order: no branches or tributaries.
Second order: When 2 streams of the same order merge.
Third order: When 2 streams of previous merge.

1,2 = debris flows


2,3= large flow surges
4,5= large flood events

Backshore
Foreshore

Backshore: only impacted by large storms.


Foreshore: Affected by daily tides

Offshore:


Berm:


Dunes:

Offshore: Outer extent to wave action.


Berm: Area in backshore above high water line


Dunes: Furthest away from water

Daytime wind circulation:


Nighttime wind circulation:

Daytime: Low onshore, High offshore, winds blow onshore.

Nighttime: High onshore, low offshore, winds blow offshore.

Spring Tide:
Neap Tide:

Spring Tide: Occur when moon and sun are aligned (large tidal range)

Neap Tide: When sun and moon are offset at right angles (small tidal range)

Longshore movements:

Swash onto the beach and backwash out transports sediment along the beach in the direction of the longshore current.

What happens to irregular coastlines over time?

They develop caves and eventually stacks.

Location of glaciers and what they are called:

-

Ablation:

Where the mass of ice is removed.

Zone of Accumulation

The supply of ice and water for the glacier.

Terminus

-

Erosional Landforms

Cirque: Bow like depression


U-Shaped Valley: Glacial Trough


Arete: Ridge

Depositional Landforms

-Esker