Download LSU Geography Exam #2 Namikas, GEOG 2051 Namikas Test 2 Questions And Answers and more Exams Geography in PDF only on Docsity!
2051 Namikas Test 2 Questions And Answers
Salt water - correct answer ✅What type of water makes up 97% of earth's water? 97% - correct answer ✅Salt water makes up _______% of earth's water Fresh water - correct answer ✅What type of water makes up 3% of earth's water? 3% - correct answer ✅Fresh water makes up ______% of earth's water 20% - correct answer ✅What percentage of freshwater is ground water? 50% - correct answer ✅What percentage of all ground water is shallow ground water and can be used?
2051 Namikas Test 2 Questions And Answers
correct answer ✅What percentage of all ground water is deep ground water and is unusable? 80% - correct answer ✅What percentage of fresh water is on the surface of the earth? 99% - correct answer ✅What percentage of surface freshwater is ice? Less than 1% - correct answer ✅What percentage of surface freshwater is lakes, rivers, etc? 99% - correct answer ✅Ice makes up ___% of all surface freshwater Sublimation - correct answer ✅A direct change in state from solid to a gas or a gas to a solid... skips the liquid phase
2051 Namikas Test 2 Questions And Answers
A few days (very short) - correct answer ✅What is the residence time for water in the atmosphere? A few weeks (short) - correct answer ✅What is the residence time for water in rivers? Years / Decades (long) - correct answer ✅What is the residence time for water in lakes? Thousands of years (very long) - correct answer ✅What is the residence time for water in oceans? Aquifer - correct answer ✅Porous substance that holds water Aquiclude - correct answer ✅Body of impermeable material that water can't penetrate
2051 Namikas Test 2 Questions And Answers
Saturated zone - correct answer ✅The term for when the pore space of an aquifer is filled with water Zone of aeration - correct answer ✅The term for when the pore space of an aquifer is filled with air Water table - correct answer ✅The elevation that water will rise to naturally if a well is drilled Recharge rate - correct answer ✅Rate at which new water is coming in to aquifer Confined aquifer - correct answer ✅If an aquifer is sandwiched in between 2 aquicludes and water can't travel down to the aquifer
2051 Namikas Test 2 Questions And Answers
Cone of depression - correct answer ✅Occurs in an aquifer when groundwater is pumped from a well Saltwater intrusion - correct answer ✅The movement of saline water in to freshwater aquifers Drainage basin - correct answer ✅A land area that supplies water to a particular river system Watershed - correct answer ✅Another name for a drainage basin Drainage divide - correct answer ✅The surrounding area of a drainage basin Pacific, Gulf of Mexico, Atlantic - correct answer ✅3 major U.S. drainages
2051 Namikas Test 2 Questions And Answers
Pacific - correct answer ✅Which U.S. drainage is west of the continental divide? Gulf of Mexico - correct answer ✅Which U.S. drainage is east of the continental divide? Atlantic - correct answer ✅Which U.S. drainage drains in to in to the Atlantic Ocean? Interception - correct answer ✅When precipitation falls on vegetation first and then gets evaporated back in to the atmosphere, it is called
Through fall - correct answer ✅When precipitation falls directly to the surface it is called ___________
2051 Namikas Test 2 Questions And Answers
Trellis - correct answer ✅A drainage patter where the tributaries flow in one direction but they form 90 degree angle with the river Stream capture - correct answer ✅This occurs when a tributary merges with a river and erodes a gap in the ridge, and water from one stream gets diverted in to the river Deranged - correct answer ✅A drainage pattern that has no logic and occurs in places recently disturbed Stream capture - correct answer ✅An example of trellis is ..... Perennial - correct answer ✅When water flows year round in a channel it is known as .....
2051 Namikas Test 2 Questions And Answers
Intermittent - correct answer ✅When water flows for a portion of the year and then the channel dries up it is known as ..... Ephemeral - correct answer ✅When a channel remains dries for years because it is in an arid region it is known as .... Discharge - correct answer ✅The volume of water moving past a point per unit of time, usually defined as channel width x channel depth x water velocity channel width x channel depth x water velocity = Q - correct answer ✅What is the equation for discharge? Exotic stream - correct answer ✅What is an exception to discharge in which discharge decreases as it gets closer to the mouth rather than increases?
2051 Namikas Test 2 Questions And Answers
Clay - correct answer ✅Small grain size Sand - correct answer ✅Medium grain size Gravel / pebbles - correct answer ✅Large grain size Deposition and translocation - correct answer ✅Low velocities result in... A) deposition B) erosion C) translocation D) all of the above Erosion - correct answer ✅High velocities result in... A) deposition B) erosion
2051 Namikas Test 2 Questions And Answers
C) translocation D) all of the above Solution - correct answer ✅A term used for when particles are dissolved in water Suspension - correct answer ✅A transport method in which particles float along the water and are kept up by the water instead of returning to the river bed Bedload - correct answer ✅A transport method where the material maintains some degree of contact with the bed, either by saltation or traction Saltation - correct answer ✅The term for when particles bounce along the bed in a series of hops
2051 Namikas Test 2 Questions And Answers
Levees - correct answer ✅This occurs when sediment is deposited along rivers after floods Flood plain - correct answer ✅An area of low-lying ground adjacent to a river that is formed by river sediments Point bar - correct answer ✅An area of deposition formed by a secondary flow of a meandering stream Yazoo tributary - correct answer ✅A smaller stream / tributary that carries water in to larger channels and flows parallel to the flood plain Meander scar - correct answer ✅The last stage in the life cycle of a meander loop when an oxbow lake gets filled in with sediment and dries up
2051 Namikas Test 2 Questions And Answers
Graded stream - correct answer ✅The ability of a river to carry sediment is equal to the supply of sediment it can carry Longitudinal profile - correct answer ✅This determines how much energy a river system has Nick point - correct answer ✅A bump in a river where waterfalls occur Niagara Falls - correct answer ✅An example of a nick point Entrenched meander - correct answer ✅A river that is confined to a canyon or a gorge Alluvial terrace - correct answer ✅A river terrace created as a result of downcutting
2051 Namikas Test 2 Questions And Answers
After harvesting, fields are left bare, providing for the perfect conditions for aeolian processes - correct answer ✅Why are agricultural areas good for aeolian processes? The tourist industry is a multi-billion dollar industry and beaches are one of the top tourist places - correct answer ✅Why are aeolian processes important to beaches? Loess - correct answer ✅What is fine grain material that has suitable conditions for agriculture called? Ergs - correct answer ✅What are sand seas called? Water, air - correct answer ✅It is easier for _______ to move particles around than it is for ________
2051 Namikas Test 2 Questions And Answers
1000th - correct answer ✅Water is _______th times denser than air Deflation - correct answer ✅The removal of fine grain materials that lowers the surface Desert pavement and blowouts - correct answer ✅2 examples of deflation: Blowouts - correct answer ✅Depressions created from wind blowing a surface Ventifacts - correct answer ✅Flat-sided stones Yardangs - correct answer ✅Teardrop shaped landforms that wind blows past
