interior drainage. deserts lack permanent streams and are said to have interior drainage, which means that
the streams are discontinuous, and only flow within the basin
. they do not flow into the ocean.
What is a basin of interior drainage quizlet?
what is a basin of interior drainage?
drainage system that is not developed and is often a basin or valley with no external outlet to the sea
. What is the difference between an ephemeral stream and an exotic stream in a desert?
What is meant by interior drainage in a desert region?
what is meant by interior drainage.
streams that do not flow out of desert into ocean
.
What defines a desert quizlet?
A desert is defined as
a geographic area where annual rainfall is less than 10 inches (25 centimeters) or in which the potential evaporation rate exceeds the precipitation rate
. … A Semi-arid area is defined as a geographic area where annual rainfall is 10-20 inches/year. You just studied 22 terms!
What is a playa lake quizlet?
Dry lake beds.
Periodically covered with water
= playa lake. … Storm over mountain drainage basin, puts lots of water on ground, surface impermeable, water runs to ephemeral stream channel, quickly fills with water, develops into flash flood and debris flow down to basin floor.
What is meant by interior drainage?
:
drainage toward the center of an interior basin rather than to the sea
.
Why do most deserts have interior drainage patterns?
Deserts often exhibit an interior drainage pattern where
streams empty into landlocked basins
. The basins become temporary sources of water, and evaporation can precipitate salt beds and other evaporitic minerals. Flash floods. Most desert rainfall comes from short, violent thunderstorms.
Which of the following is characteristic of a desert stream?
Which of the following is characteristic of a desert stream? Desert
streams lack expansive tributary systems
. … The discharge of the Nile River decreases when it crosses a desert, in contrast with a river in a humid area, which increases in discharge.
Why doesn’t interior drainage such as the drainage that develops in deserts flow out of the desert?
Basin and Range Province. Why doesn’t interior drainage, such as the drainage that develops in deserts, flow out of the desert?
The water evaporates
.
What is the most important erosional agent in deserts quizlet?
Water
is the most significant agent of erosion in deserts.
What causes deserts to form quizlet?
Cool air over cold ocean water holds little moisture.
The air absorbs moisture when it interacts with land
, creating a desert. … Air looses moisture as it crosses continents. Land far from ocean moisture can be very dry.
Which defines a biome as a desert?
The desert biome is an
ecosystem that forms due to the low level of rainfall it receives each year
. Deserts cover about 20% of the Earth. There are four major types of desert in this biome – hot and dry, semiarid, coastal, and cold. They are all able to inhabit plant and animal life that are able to survive there.
What are conditions that create deserts quizlet?
b) Moist air masses are forced to rise over mountains and lose their moisture in the process resulting in very little moisture availability for the other side of the mountain. c) Most mountain ranges are located at 30 degrees N/S latitude, which is where
dry air masses
descend creating deserts.
What is a Playa commonly occupied by?
Playas occupy
the flat central basins of desert plains
. They require interior drainage to a zone where evaporation greatly exceeds inflow. When flooded, a playa lake forms where fine-grained sediment and salts concentrate. Terminology is quite confused for playas because of many local names.
Why was it important for the Soviet Union to grow cotton quizlet?
Rivers were diverted to provide water for cotton. Why was it important for the Soviet Union to grow cotton?
Cotton is an ingredient in gunpowder.
What do cross beds represent quizlet?
What is cross bedding?
Layers deposited on a dune slip face that are inclined in the direction of wind transport
. Cross-bedded sandstone shows inclined beds in a downward direction.
