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Definition
| point on earth's surface directly above the focus. |
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Definition
| origin of and earthquake. |
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Definition
| closet major fault to us. |
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Definition
| closest major fault zone to NWA. |
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Definition
| caused by underwater earthquakes |
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| greatest potential for disaster |
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Definition
| Bay of Bengal and River Delta |
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Term
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Definition
| boundary between troposhere and stratosphere. |
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Term
| troposphere turnover time |
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Definition
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Term
| what absorbs UV radiation? |
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Definition
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Definition
| wind system generally associated with rain |
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Term
| intertropical convergence zone |
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Definition
| produces most of the precipitation in the tropical world. |
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Term
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Definition
| above the equator with constant wind flow |
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Term
| what is necessary for precipitation? |
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Definition
| rising air and water vapor |
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Term
| three major grain growing areas |
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Definition
| Great Plains, Ukraine, Argentina |
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Term
| olivine crystal particles |
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Definition
| cause the green tint to the green sand beach in Hawaii. |
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Term
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Definition
| Beach you could go to to collect large numbers of shells. |
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Term
| how far does water expand when it freezes? |
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Definition
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Term
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Definition
| gives water its turquoise tint at Lake Louise |
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Term
| chemically weather limestone |
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Definition
| CO2 and water mix to make a weak solution of carbonic acid that breaks it down. |
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Term
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Definition
45% rock and mineral fragments including clay
5% decomposed organic matter
50% pore space |
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Term
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Definition
| equal amounts of sand, silt and clay. Allows water to move through slowly and stores a lot of water. |
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Term
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Definition
| too much water filters through the soil and washes out most of the mineral constituents of the soil, leaving behind sterile soil. |
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Term
| minimum rain in tropical areas |
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Definition
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Term
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Definition
| nearly black surface horizon rich in organic matter and plant nutrient ions; subhumid to semiarid midlatitude grasslands. |
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Term
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Definition
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Term
| amount of water in the Great Lakes |
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Definition
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Term
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Definition
| 50% decline by degradation since colonization of the US. was 87 now 47 |
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Term
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Definition
| says 7 billion people will be facing water scarcity in 50 years. |
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Term
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Definition
refers to the use of water that is returned locally.
ex:showers and toilets |
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Term
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Definition
use of water that is not returned locally
ex: irrigation |
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Term
| irrigation in California and Texas |
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Definition
| use 30% of all water consumed in the US |
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Term
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Definition
| affects 10% of irrigated land globally. streams contain a salt concentration and create salt deposits in soil, decreasing productivity of crop fields. |
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Term
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Definition
| occurs when reservoirs get backed up with sediment and reduce capacity |
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Term
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Definition
| largest hydroelectric dam in the world |
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Term
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Definition
happens where water is used in excess of the recharge rate
Great Plains and portions of CA |
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Term
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Definition
| when snowfall in witner exceeds snow melt in the summer. |
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Term
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Definition
| longest documented Volcano that exists at the surface of the Earth and still exists |
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Term
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Definition
| where you see the mid-atlantic ridge |
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Term
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Definition
| First continents started to form. |
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Term
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Definition
| the oldest national park in the US |
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Term
| Temperature in the stratosphere |
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Definition
| gets warmer with altitude because of albedo. Different colors absorb different light(??) |
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Term
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Definition
| troposphere turnover time |
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Term
| stratosphere turnover time |
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Definition
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Term
| where is the warmest air? |
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Definition
| at or near the troposphere |
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Term
| percentage of solar radiation that reaches the surface of Earth from the thermosphere |
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Definition
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Term
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Definition
| boundary between the troposphere and the stratosphere |
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Term
| creation of the Himalayas. |
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Definition
| India moved SW and crashed into Asia. |
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Term
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Definition
| The ACTUAL largest mountain range, they're under water |
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Term
| intertropical convergence zone |
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Definition
| produces most of the precipitation in the tropical world.Occurs where the northeast and southeast trade winds meet and cause air to rise. |
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Term
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Definition
| new sediment is formed when igneous rock is exposed at the surface |
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Term
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Definition
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Term
| How much fresh water is in the Great Lakes? |
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Definition
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Term
| Average discharge of the Amazon |
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Definition
| 150000 cubic meters per second |
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Term
| Average discharge of the Mississippi |
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Definition
| 17500 cubic meters second |
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Term
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Definition
| percentage of ALL water that is usable fresh water |
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Term
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Definition
| amount of rain fall that is diverted for human use |
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Term
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Definition
| Antarctic ice sheets contain how much of all ice on earth? |
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Term
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Definition
| area that marks the transition between more snow melting in the summer than falling in the winter. |
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Term
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Definition
| type of glacial movement where the glacier slides across bedrock and there is melted water between the two. |
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Term
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Definition
| Type of glacial movement. Involves the natural flow of ice under the pressure of its own weight. Flows downhill of outward. |
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Term
| Most famous hanging valley |
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Definition
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Term
| Formation of finger lakes |
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Definition
| when glaciers scoured deep valleys and the valleys filled with water, these formed. |
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Term
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Definition
| end moraine that forms when a glacier is at its greatest advance before beginning to retreat |
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Term
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Definition
| most famous terminal moraine |
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Term
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Definition
| ridge that forms as the channel deposit of a stream that flowed withing or between a melting glacier |
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Term
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Definition
| elongated hills common in the northern part of the US |
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Term
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Definition
| refers to the actual transportation of material |
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Term
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Definition
| refers to the physical and chemical changes of characteristics of rock. |
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Term
| what would the absence of chemical weathering cause? |
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Definition
| higher levels of CO2 in the atmosphere, thus higher temperatures. |
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Term
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Definition
| primary cause of chemical weathering |
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Term
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Definition
| proportion of different sized particles within a soil profiling |
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Term
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Definition
| The reason that rainforests can support vegetation. Nutrients are locked up in the plants, not the ground because the ground has gone through the leaching process. |
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