Pregunta 1
Pregunta
All of the water at or near the surface of the earth is called the
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Lithosphere
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Atmosphere
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Asthenosphere
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Hydrosphere
Pregunta 2
Pregunta
Most of the water on earth is located in
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glaciers
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lakes
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oceans
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groundwater
Pregunta 3
Pregunta
What is not a part of the hydrologic cycle
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transpiration
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precipitation
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evaporation
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elevation
Pregunta 4
Pregunta
A region from which a stream draws water is called
Pregunta 5
Pregunta
Which statement is correct
Respuesta
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Velocity of a stream equals discharge times are (V = D x A)
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Discharge of a stream equals velocity times are (D = V x A)
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Area of a stream equals discharge times velocity (A = D x V)
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none of these
Pregunta 6
Pregunta
Fine, light sediment carried along in a stream is called _____________ load
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suspended
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dissolved
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traction
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saltation
Pregunta 7
Pregunta
A stream pattern that develops on relatively uniform bedrock is called
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rectangular
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radial
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dendritic
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trellis
Pregunta 8
Pregunta
The method in which boulders and pebbles roll or bounce along a stream bottom is called
Pregunta 9
Pregunta
The lowest level to which a stream has eroded is called
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ground level
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floor level
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base level
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final level
Pregunta 10
Pregunta
Fine grained, well sorted stream sediment would typically be found
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upstream close to a stream source
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downstream far from the stream source
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at the base of a waterfall
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none of these
Pregunta 11
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has many meanders and a narrow floodplain
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has many meanders and a wide floodplain
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has few meanders and a narrow floodplain
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has few meanders and a wide floodplain
Pregunta 12
Pregunta
An outside bend in a stream where water flows faster, erodes the riverbank, and has a deeper channel is called a
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point bar
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meander
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cut bank
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levee
Pregunta 13
Pregunta
an inside bend in a stream where water flows slower allowing sediment to build the river bank and has a shallow channel is called a
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point bar
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meander
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cut bank
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levee
Pregunta 14
Pregunta
Braided streams have
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more sediment load than meandering streams
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more stable banks than meandering streams
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finer grained sediment than meandering streams
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lower discharge variability than meandering streams
Pregunta 15
Pregunta
Stream hydrographs measure stream discharge at a point in time
Pregunta 16
Pregunta
Flood frequency curves
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are not useful in determining flood frequency of a stream
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provide long term flood frequency records although few long term records exist
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plot discharge versus stream height
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none of these
Pregunta 17
Pregunta
Asphalt and concrete surfaces reduce infiltration of water into the ground contributing to more water runoff into streams
Pregunta 18
Pregunta
Placing buildings and fill dirt in a floodplain reduces the volume of space that the stream could occupy and increases the chances of a major flood
Pregunta 19
Pregunta
Vegetation loss near a stream contributes too
Respuesta
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less water entering a stream
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more soil being washed into a stream causing "silt up" of the stream
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increased likelihood of flooding due to a decreased ability of the stream to carry water away
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Both long answers (not less water entering a stream)
Pregunta 20
Pregunta
Flood hazard reduction strategies
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reducing regulations on land use zoning
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removal of retention pond use in new subdivisions
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using diversion channels to divert water away from an area or using channelization to widen or deepen the existing channel
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reducing funds for dam and levee maintenance projects
Pregunta 21
Pregunta
The proportion of void space in a material compared to the entire volume of the material is
Respuesta
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porosity
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permeability
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hydraulic conductivity
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pore throat
Pregunta 22
Pregunta
Which unconsolidated sediment will have the lowest porosity?
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well sorted gravel
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poorly sorted gravel
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poorly sorted sand
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well sorted clay
Pregunta 23
Pregunta
Which consolidated rock will have the lowest porosity?
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highly fractured basalt
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sandstone
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shale
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dense crystalline rock
Pregunta 24
Pregunta
A measurement of how readily a fluid passes through a material is called
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porosity
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permeability
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fluidty
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passivity
Pregunta 25
Pregunta
Which unconsolidated sediment will have the lowest permeability?
Respuesta
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well sorted gravel
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poorly sorted gravel
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poorly sorted sand
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well sorted clay
Pregunta 26
Pregunta
Which consolidated rock will have the lowest permeability?
Respuesta
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highly fractured basalt
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sandstone
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shale
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dense crystalline rock
Pregunta 27
Pregunta
Watered stored in the subsurface and transmitted at rates sufficient enough to be useful is called
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aquitard
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aquifer
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aqueduct
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none of these
Pregunta 28
Pregunta
*Know the practice diagram of water tables and aquifers we did in class* (she asked five questions on it on this quiz)
Pregunta 29
Pregunta
Darcy's Law represents discharge of groundwater and has the equation Q=KA/(difference in hydraulic head(h)/distance between two wells(l)) What is the discharge of groundwater in a highly dissolved limestone squifer with the following properties
K = 1 m/s
A = 40 m^3
h = 2 m
l = 40 m
Respuesta
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q = 20 m^3/s
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q = 2 m^3/s
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q = 40 m^3/s
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q = 4 m^3/s
Pregunta 30
Pregunta
Groundwater flows from areas of high hydraulic head to areas of low hydraulic head. The greater the difference between hydraulic head elevations, the greater the hydraulic gradient will be between two areas
Pregunta 31
Pregunta
Pumping water from the ground to the surgace may result in
Pregunta 32
Pregunta
What type of source pollutant is released from a readily identifiable source (sewer outlet,steel mill, septic tank)
Pregunta 33
Pregunta
What type of source pollution is released from a more diffuse location and could create an algal blooms in Lake Erie
Pregunta 34
Pregunta
What type of pollution is carbon based and created from living or once living things (both animals and plants) or their byproducts
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organic pollution
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inorganic pollution
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metal pollution
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sediment pollution
Pregunta 35
Pregunta
What stream zone has high dissolved oxygen levels and healthy aquatic populations?
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clean zone
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decomposition zone
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septic zone
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recovery zone
Pregunta 36
Pregunta
What stream zone has low dissolved oxygen levels, sludge worms, mosquito larvae, and no fish?
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clean zone
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decomposition zone
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septic zone
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recovery zone
Pregunta 37
Pregunta
What is not involved in the process known as eutrophication?
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high levels of organic pollutants
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high levels of nitrogen
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high levels of phosphorus
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high levels of dissolved oxygen
Pregunta 38
Pregunta
Organic matter such as herbicides and pesticides are found in nearly all streams.
Pregunta 39
Pregunta
Methods to reduce organic matter runoff into streams include using
Respuesta
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shallow sediment basins to contain runoff
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vegetative covered filter strips to slow down runoff and allow more time for plants to absorb the organic matter
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grassed waterways to slow down runoff and allow more tie for plants to absorb the organic matter
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all of the above
Pregunta 40
Pregunta
Which organism would have the MOST metal accumulation in their body in the process known as biomagnification
Respuesta
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mayfly
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small bluegill
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large bass
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human
Pregunta 41
Pregunta
What type of activities increase the amount of metals in the environment?
Pregunta 42
Pregunta
what is NOT TRUE about sediment pollution
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farmlands contribute the most to sediment pollution in water bodies
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sediments in a water body reduce the amount of sunlight that can penetrate the water body and reach bottom dwelling plants
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if sunlight cannot reach bottom dwelling plants because of high sediment load, photosynthesis cannot occur, and plant populations are reduced
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sediment containment ponds increase the amount of sediment runoff into streams
Pregunta 43
Pregunta
Which method would NOT reduce surface water pollution?
Respuesta
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dredging lake and stream bottoms to remove accumulated sediment
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adding aluminum to lakes to reduce phosphate levels
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reducing oxygen content in lakes
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introducing fish eating algae into streams
Pregunta 44
Pregunta
Which NATURAL process would not reduce groundwater pollution
Respuesta
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breaking down pollutants with microbes in groundwater
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using activated charcoal filters to remove pollution
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adhering or absorbing pollutants to sediment in groundwater
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diluting pollutants in groundwater
Pregunta 45
Pregunta
Groundwater wells can be used to remove contamination through what processes
Pregunta 46
Pregunta
The best method to reduce water pollution is to not pollute the water in the first place.