Term
| How deep is the deepest mine of the earth? |
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Definition
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Term
| How deep is the deepest oil well of the earth? |
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Definition
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Term
| What is the formula for density? |
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Definition
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Term
| What is the formula for density? |
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Definition
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Term
| What group determined the volume? |
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Definition
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Term
| What is the density of the earth? |
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Definition
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Term
| What is the density of rocks at the surface? |
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Definition
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Term
| If we can interpret ______, we can see into the Earth. |
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Definition
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Term
| What is the crust made out of? |
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Definition
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Term
| What is the mantle made out of? |
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Definition
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Term
| What is the core made out of? |
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Definition
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Term
| What is a characteristic of the Lithosphere? |
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Definition
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Term
| The Asthenosphere has a ________ layer. |
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Definition
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Term
| Seismic waves - The _____ the material, the ______ the seismic wave travels. |
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Definition
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Term
| True or false; Every rock has its own fingerprint based on its seismic wave speed. |
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Definition
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Term
| P & S waves show that the earth's composition is not _____. |
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Definition
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Term
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Definition
| When waves boune off the boundary between layers with different densities. |
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Term
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Definition
| When the seismic wave bends aas it passes thgouth material of different density. Both speed and direction change on these waves, and this results in curved travel paths. |
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Term
| What is the boundary between the crust and the mantle? |
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Definition
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Term
| The mantle has seismic velocities that correspond to a rock type called _____. |
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Definition
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Term
| In the outer core, P-Wave velocities _____, and S-Waves _______. |
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Definition
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Term
| The outer core is ________. |
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Definition
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Term
| The inner core is ______. |
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Definition
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Term
| What is a low velocity zone identified as? |
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Definition
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Term
| How do we learn about the composition of layers? |
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Definition
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Term
| What is the hydrologic cycle? |
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Definition
1. Evaporation from the ocean.
2. Precipitation - most rain falls back into the ocean.
3. Return of water back into the ocean.
a. Run-off
b. Ground water has a major nfluence on flooding. |
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Term
| What is the budget of the world's water? |
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Definition
| Oceans - 97%, Freshwater 3%. |
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Term
| What percent is easily accesible surface water? |
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Definition
| 52% Lakes, 38% soil moisture, 1% rivers |
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Term
| Where does ground water originate from? |
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Definition
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Term
| The parts of rock or soil that are not occupied by solids are called _____. |
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Definition
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Term
| Solution cavities, a form of porosity, usually form where? |
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Definition
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Term
| Intergranular porosity forms where? |
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Definition
| In the space between sedimentary grains. |
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Term
| Fracture porosity forms where? |
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Definition
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Term
| ______is the ability of rocks to transmit water. |
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Definition
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Term
| What is the order of substance permeability, from highest to lowest? |
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Definition
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Term
| A body of permeable rock saturated w water is called an ________. |
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Definition
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Term
| An impermeable body of rock is called an ____________. |
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Definition
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Term
| A confined aquifer is an aquifer with: |
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Definition
| an impermeable layer above it. |
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Term
| An unconfined aquifer is: |
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Definition
| Easily polluted, and does not have an impermeable layer above it. |
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Term
| The shape of a water table: |
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Definition
| Mimics the ground surface, and moves up and down depending on rain. |
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Term
| The Vadose zone is defined as the: |
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Definition
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Term
| The Phreatic zone is known as the: |
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Definition
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Term
| The Recharge zone is known as the: |
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Definition
| Place where water enters the aquifer. |
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Term
| Why don't rivers flow when its not raining? |
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Definition
| Because groundwater discharges into them. |
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Term
| The Discharge Zone is known as the place where: |
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Definition
| Groundwater flows out of the aquifer |
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Term
| Groundwater flow is driven by ___________. |
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Definition
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Term
| Groundwater flows from areas of ______ pressure to ______ pressure. |
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Definition
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Term
| True or false, groundwater can flow uphill? |
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Definition
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Term
| Differences in the elevation of the water table creates a pressure surface called: |
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Definition
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Term
| A place where groundwater discharges at the Earth's surface is called a: |
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Definition
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Term
| A well drilled into a confined aquifer that has enough pressure to flow to the surface without pumping is called an ________. |
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Definition
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Term
| A conical depression in the water table is called a: |
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Definition
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Term
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Definition
| Because only the water evaporates. |
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Term
| What transports water in a river system? |
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Definition
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Term
| The stream gradient decreases/increases down stream? |
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Definition
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Term
| True or false: Velocity decreases downstream? |
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Definition
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Term
| Velocity X Cross sectional area = |
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Definition
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Term
| What type of graph shows discharge over time? |
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Definition
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Term
| A drainage basin is land area: |
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Definition
| drained by 1 river system |
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Term
| Headward Erosion makes drainage basins ______. |
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Definition
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Term
| Particles that are carried within the stream (fine-grained silt and clay) are called a: |
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Definition
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Term
| Particles that slide, roll and bounce along the bottom of a stream (coars grained) are known as: |
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Definition
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Term
| Atoms surrouneded by water transported by the stream are called : |
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Definition
| Dissolved Load. (tee hee) |
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Term
| A Portion of the river that is covered by water during flood stage is known as a: |
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Definition
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Term
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Definition
| Twisting, winding course of looping stream beds. |
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Term
| Sand or gravl deposited on the inside of a meander bend is called a: |
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Definition
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Term
| The steep walled part of the outside of the meander is called the: |
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Definition
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Term
Where do you want to build a house?
A. flood plane
b. cut bank
c. inside the meander loop? |
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Definition
| C. Inside the meander loop |
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Term
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Definition
| Isolated meander loops that are formed when a stream cuts througha meander loop. |
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Term
| A linear mound of sand and gravel that parallels the river bank is known as a: |
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Definition
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Term
| A semicircular deposit of coars sediment formed where the stream suddenly changes is an: |
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Definition
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Term
| A deposit of sediment formed where rivers empty into a body of standing water is called a... |
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Definition
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Term
| A large inland body of standing water that occurs in topographic depressions is called a: |
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Definition
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Term
| A poorly nourished lake that has few plants and abundant 02 is... |
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Definition
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Term
| A lake that has highly nourish, high nitrogen and phospourous input with lots of dead algae is: |
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Definition
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Term
| This type of flood is due to heavy prolonged rain or melting snow; may last weeks or months. |
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Definition
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Term
| This type of flood is due to high intensity rainfall causing flooding within a few minutes to hours. |
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Definition
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Term
Sept 8, 1900.
The island was 9 feet above sea level at its highest.
Between 6,000 and 10,000 people were drowned.
What flood was this? |
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Definition
| the Galveston Flood on 1900 |
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Term
| Factors that control flooding: |
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Definition
1. Precipitation intensity and duration.
2. Saturation of the ground.
3. Type of ground cover
4. Abundance and Type of Vegetation.
5. Relief |
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Term
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Definition
| Force stream water to stay in the channel |
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Term
| Channelization is defined as: |
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Definition
| Modifying a river's channel |
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Term
Summer 1993.
Midwest.
30 in of rain in 1 month.
Most costly flood in U.S. History.
What flood was this? |
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Definition
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Term
| Hope big was Galveston's post flood seawall? |
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Definition
| 15.6 feet above sea level, 10 miles long |
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Term
| Hurricane Formation: Hurricanes begin as = |
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Definition
| A group of thunderstorms over oceans or eddies, and updraft of hot, moist air produces low pressure region. |
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Term
| What is like "fuel" for a hurricane? |
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Definition
| When ocean water evaporates, 80 degrees or warmer |
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Term
| Atmospheric low pressure area is defined as: |
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Definition
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