Why do deserts typically occur in a band at 30 degrees north and south latitude?
Most of the world's deserts are located near 30 degrees north latitude and 30 degrees south latitude, where the heated equatorial air begins to descend. The descending air is dense and begins to warm again, evaporating large amounts of water from the land surface. The resulting climate is very dry.
Which statement best describes how climate might change if Earth were 75 land and 25 water?
Which statement describes how climate might change if Earth was 75% land and 25% water? Earth's daytime temperatures would be higher and nighttime temperatures lower.
What is the main reason polar regions are cooler than the equator?
Both polar regions of the earth are cold, primarily because they receive far less solar radiation than the tropics and mid-latitudes do. At either pole the sun never rises more than 23.5 degrees above the horizon and both locations experience six months of continuous darkness.
What is the most likely explanation for the unusual growth of these forests in this marginal habitat?
What is the most likely explanation for the unusual growth of these forests in this marginal habitat? Taproot formation is impossible, so trees developed shallow root beds. Two plant species live in the same biome but on different continents.
Why are there so many deserts at 30 degrees latitude quizlet?
Why are many of the world's deserts found at 23 to 30 degrees latitude? Descending air masses warm as they go, absorbing more water vapor. Which of the following regions in the ocean is sunlight able to penetrate? Many coastal regions show very high levels of productivity.
Why are deserts so common at about 30 latitude quizlet?
Why do many deserts exist at 30 degrees North and South latitudes? a) The temperature is much higher and evaporates the moisture.
What would happen to the seasons if Earth were tilted 35 degrees off its orbital plane?
What would happen to the seasons if the Earth were tilted 35 degrees off its orbital plane instead of the usual 23.5 degrees? Winters and summers would be more severe.
Which statement best explains why climates at continental shorelines generally have a smaller yearly temperature range than inland climates at the same latitude?
Which one of the following statements best explains why climates at continental shorelines generally have a smaller yearly temperature range than inland climates at the same latitude? Ocean water changes temperature slowly, due to the high specific heat and transparency of water.
Why are the coldest places on Earth found near the polar regions?
The coldest places on Earth tend to be located near the poles. Polar regions do not receive direct sunlight during the winter months due to the tilt in the Earth's axis. Hence, polar regions can get very cold. Antarctica, the large land mass in the Southern Hemisphere, is the coldest place on Earth.
Why is the South Pole colder than North Pole?
The main reason that Antarctica is colder than the Arctic is that Antarctica is a landmass surrounded by ocean, and the Arctic is an ocean surrounded by landmasses. Antarctica also has a much higher average elevation than the Arctic, and the Antarctic Ice Sheet is bigger and thicker than the ice in the Arctic.
What is the primary ecological factor determining the distribution of deserts?
The primary ecological factor determining the distribution of deserts is moisture. Deserts are the driest of all terrestrial biomes, characterized by low and unpredictable rainfall.
Which of the following might affect levels of precipitation in a given area?
Three factors that might influence the occurrence of precipitation are moisture supply, frontal position and atmospheric instability. Moisture supply: A rule of thumb is that when the relative humidity reaches or exceeds 70% at 850 mb (around 1,500 meters or 5,000 ft.
Why are many of the world’s deserts located at latitudes of about 30 north and south quizlet?
Why are many of the world's deserts located at latitudes of about 30 degrees north and south? Dry air, originating at the equator, descends toward Earth's surface at about 30 degrees north and south.
Why do deserts generally exist between 15 and 30 degrees north or south of the equator quizlet?
Why do deserts generally exist between 15 and 30 degrees north or south of the equator? –The Inter Tropical Convergence Zone (ITCZ) causes dry air to flow south, away from the equator at 15-30 degrees.
Why are deserts found around 30 degrees N and 30 degrees S latitude quizlet?
Why are most deserts found at 30 degrees latitude? This is where warm dry air falls from cells originating at the equator.
What would the seasons be like if Earth were tipped 35 degrees instead of 23.4 degrees?
There would be no seasons, far north and south latitudes would have a chilly Spring sort of weather all the time until giving way to permafrost, and the equator would be very hot, more so than now. There would probably be very few migratory animals and trees would not lose their leaves.
What would happen if Earth’s tilt was 45 degrees?
If the Earth's axis tilted 45 degrees instead of the current 23.5 degrees, the seasons would be far more pronounced than they are, and the poles would be warmer overall. An axial tilt of 45 degrees would bring more heat to bear on the hemisphere facing the sun.
Why do places of the same latitude but different altitudes have different climates?
Two different places at the same latitudes may have different climates because there are other factors that affect the climate in addition to latitude. The climate is influenced by topography, elevation, large bodies of water, global winds and vegetation.
Which statement correctly describes sea surface temperatures along South American coast and Pacific trade winds during El Nino conditions?
Which statement correctly describes sea surface temperatures along the South American coast and Pacific trade winds during El Niño conditions? (1) The sea surface temperatures are warmer than normal, and Pacific trade winds are from the west.
Why are the North and South Pole the coldest places on Earth?
Both the Arctic (North Pole) and the Antarctic (South Pole) are cold because they don't get any direct sunlight. The Sun is always low on the horizon, even in the middle of summer. In winter, the Sun is so far below the horizon that it doesn't come up at all for months at a time.
Why do Earth’s polar regions have cold dry climates?
But even during the polar day, the period of continuous sunlight, only a relatively small amount of solar energy reaches the Arctic or Antarctic regions due to the low angle of incoming rays. These two phenomena thus form the basis for sustained cold conditions in the northern and southern polar regions.
How does latitude affect the climate of a place?
There is a relationship between latitude and temperature around the world, as temperatures are typically warmer approaching the Equator and cooler approaching the Poles. There are variations, though, as other factors such as elevation, ocean currents, and precipitation affect climate patterns.
What causes deserts to form?
A desert forms when there has been a shortage of rain for a long time. It may have different geological conformations – mainly due to the effect of the wind (wind erosion). There are sand deserts, called erg, rock deserts, called hammada, and pebble deserts, the serir.
What factors make a desert?
In a desert area there are seven environmental factors that you must consider.
- Low Rainfall. Low rainfall is the most obvious environmental factor in an arid area. …
- Intense Sunlight and Heat. …
- Wide Temperature Range. …
- Sparse Vegetation. …
- High Mineral Content. …
- Sandstorms. …
- Mirages.
Aug 26, 2011
How does latitude affect precipitation?
Precipitation decreases as one moves away from the Equator toward the poles. Because temperature affects the amount of moisture air can hold, the rate at which precipitation falls typically reduces with the increase in latitude, with lower latitudes usually experiencing more precipitation.
How does latitude affect climate of a place?
There is a relationship between latitude and temperature around the world, as temperatures are typically warmer approaching the Equator and cooler approaching the Poles. There are variations, though, as other factors such as elevation, ocean currents, and precipitation affect climate patterns.
Why are most deserts found at 30 degrees quizlet?
Why are many of the world's deserts found at 23 to 30 degrees latitude? Descending air masses warm as they go, absorbing more water vapor.
Why do deserts form at 30 degrees latitude quizlet?
Why are many of the world's deserts found at 23 to 30 degrees latitude? Descending air masses warm as they go, absorbing more water vapor.
Why are many of the world’s deserts found at 15 to 35 degrees latitude?
Why are many of the world's deserts found at 15 to 35 degrees latitude? Descending air masses warm as they go, absorbing more water vapor. Certain regions on the deep sea floor can achieve constant and high species density near: hydrothermal vents.
What would happen to the seasons if Earth were tilted 35 degrees?
The current tilt is between 24–22 degree. If the earth were to tilt to 35 degree this would mean a massive change in climate. In the northern and southern hemispheres winters would be colder and summers would be hotter but a significant amount.