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Study sets matching "rivers geology"

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Study sets matching "rivers geology"

26 terms
Geology Rivers
a fan-shaped alluvial deposit formed b…
unconsolidated sediment deposited by a…
a long ridge of sand, gravel, or other…
the lowest level to which running wate…
Alluvial fan
Alluvium
Bar
Base level
a fan-shaped alluvial deposit formed b…
Alluvial fan
unconsolidated sediment deposited by a…
Alluvium
42 terms
Geology Rivers
Describe the hydrologic cycle. Once wa…
What factors influence infiltration ca…
What are the three main parts of a riv…
A stream starts out 200 meters above s…
The hydrologic cycle is a model that describes the storage an…
1) Rainfall intensity... 2) Vegetation cover... 3) Soil type... 4) Dur…
The zone of erosion, a zone of sediment transport, and a zone…
.5 m/k
Describe the hydrologic cycle. Once wa…
The hydrologic cycle is a model that describes the storage an…
What factors influence infiltration ca…
1) Rainfall intensity... 2) Vegetation cover... 3) Soil type... 4) Dur…
49 terms
Geology Rivers
How will climate change affect the wat…
The velocity of glaciers tends to be (…
If the accumulation area for a glacier…
Climatic Fluctuations within Ice Ages…
Due to global warming, wet areas will tend to get wetter and…
slow, friction
can't be determined
Variations in Earth's position and orientation relative to th…
How will climate change affect the wat…
Due to global warming, wet areas will tend to get wetter and…
The velocity of glaciers tends to be (…
slow, friction
50 terms
Geology - Rivers
The flat-lying area surrounding a rive…
The lowest elevation to which a stream…
Braided streams _____.
Within a meander, where is sediment mo…
floodplain
base level
consist of a series of intertwined channels that are overload…
on the inner banks of the meander
The flat-lying area surrounding a rive…
floodplain
The lowest elevation to which a stream…
base level
23 terms
Geology - Rivers
stream
channel
stream valley
headwaters
water flowing in a channel
streams flow in a well-defined BLANK
where the stream has eroded the land
stream begins here
stream
water flowing in a channel
channel
streams flow in a well-defined BLANK
28 terms
Geology- Rivers
Hydrologic cycle
Cycle is...
Why are rivers important?
Drainage basin
The water cycle
Oceans -> Evaporation -> Atmosphere -> Clouds -> Rain/Snow
1) carry water from land to ocean... 2) carries billion of tons…
The region from which surface water drains into a particular…
Hydrologic cycle
The water cycle
Cycle is...
Oceans -> Evaporation -> Atmosphere -> Clouds -> Rain/Snow
66 terms
Geology: Rivers
Which planet has erosional features si…
Most of the earth's water come from wh…
Less than 1% of earth water comes from…
What are the main drivers for the hydr…
Mars
Oceans
Rivers
Gravity or Solar Radiation
Which planet has erosional features si…
Mars
Most of the earth's water come from wh…
Oceans
12 terms
Geology-Rivers
what are the hydrologic cycle?
what is sheet flow?
what is channel flow?
what is flooding?
gravity and solar radiation
the water moves continuously and the flow is not confined and…
all liquids in response to any force... liquid water flows down…
caused by high levels of rain over a sustained time... low infil…
what are the hydrologic cycle?
gravity and solar radiation
what is sheet flow?
the water moves continuously and the flow is not confined and…
8 terms
Geology Lab Final-Rivers
Braided River
Meandering River
Point bar
Oxbow Lake
Network of small channels
Bend in a sinuous river
An alluvial deposit that forms by accretion on the inner side…
U shaped body of water that forms when a wide meander from th…
Braided River
Network of small channels
Meandering River
Bend in a sinuous river
28 terms
Geology Test 3- Rivers
The hydrologic cycle
Surface water moves by
Sources of Texas city water
Running water
Precipitation, evaporation, infiltration, runoff, transpirati…
stream flow: an example of channelized flow. It tends to adju…
???
Drainage begins with rainfall, water runoff drains into chann…
The hydrologic cycle
Precipitation, evaporation, infiltration, runoff, transpirati…
Surface water moves by
stream flow: an example of channelized flow. It tends to adju…
63 terms
Geology Final Rivers
5 steps in hydrologic cycle
define the processes in the hydrologic…
what does surface water move by and wh…
what does surface water adjust to
precipitation, evaporation, infiltration, runoff, transpiration
the circulation of Earth's water supply
stream flow (example of channelized flow)
equilibrium conditions over the stream course
5 steps in hydrologic cycle
precipitation, evaporation, infiltration, runoff, transpiration
define the processes in the hydrologic…
the circulation of Earth's water supply
46 terms
Geology Ch. 12: Rivers
Drainage Basin
Tributaries
Drainage Pattern
What are drainage patterns controlled…
Land/surface area that provides water to a stream
Smaller stream flowing into a larger stream
A pattern that streams make on Earth's surface
The materials that the river flows over
Drainage Basin
Land/surface area that provides water to a stream
Tributaries
Smaller stream flowing into a larger stream
38 terms
Geology Rivers 1
a fan-shaped alluvial deposit formed b…
unconsolidated sediment deposited by a…
a common term for sand gravel deposits…
the lowest level to which running wate…
Alluvial fan
Alluvium
Bar
Base level
a fan-shaped alluvial deposit formed b…
Alluvial fan
unconsolidated sediment deposited by a…
Alluvium
37 terms
Geology: Streams and Rivers
drainage divide
meandering stream
clay formation process
braided stream
line at which water either flows one way or the other; e.g Mi…
sinuous (lots of loops), a lot of vegetation along the banks…
clay particles have a charge on the edge and stick together b…
multiple channels in one river, heavy erosion load... - lower ov…
drainage divide
line at which water either flows one way or the other; e.g Mi…
meandering stream
sinuous (lots of loops), a lot of vegetation along the banks…
24 terms
Rivers Final Geology
Water Distribution
Laminar Flow
Turbulent Flow
Discharge
-97% oceans... -2% glacial ice... -.65% Lakes, streams and groundwa…
Smooth running in a constant motion
Very deranged/bumpy flow; direction is always changing
Volume rate of flow over time. V x A = Volume/Time
Water Distribution
-97% oceans... -2% glacial ice... -.65% Lakes, streams and groundwa…
Laminar Flow
Smooth running in a constant motion
Physical Geology - Rivers and Streams
Stream Runoff
Forming Streams
Channels
Drainage Basins
Erodes, transports, and deposits ions and sediments... Sculpts l…
Stream flow begins as scattered runoff... A drainage network evo…
Deepen by downcutting... Lengthen by headward erosion
The land areas (watershed) that drain into a trunk stream or…
Stream Runoff
Erodes, transports, and deposits ions and sediments... Sculpts l…
Forming Streams
Stream flow begins as scattered runoff... A drainage network evo…
29 terms
Geology Lecture 15- Rivers and Streams
River/Stream
Runoff
Direction of water flow
River network
A Channel for flowing water from atmosphere to ocean
any kind of precipitation that collects and flows over the su…
From high to low because of gravity.... DOWNHILL
Water starts at small creeks on mountaintops and collects on…
River/Stream
A Channel for flowing water from atmosphere to ocean
Runoff
any kind of precipitation that collects and flows over the su…
12 terms
Geology 100: Rivers
Stream discharge is a function of whic…
How does urbanization (paving, etc.) a…
Where is erosion concentrated along a…
Which of the following is the correct…
Velocity and cross-sectional area
infiltration decreases; runoff increases
on the outer parts of the meander loops or bends... Question 4
the change in elevation of a stream divided by the distance t…
Stream discharge is a function of whic…
Velocity and cross-sectional area
How does urbanization (paving, etc.) a…
infiltration decreases; runoff increases
50 terms
Rivers and Streams | Geology 111
river / stream
drainage basin
drainage divide
drainage is divided into 3 subsystems
any body of water flowing downhill in a well defined channel
the land area that contributes water to a stream
A geographical barrier, such as a ridge, hill, or mountain, t…
-collecting system... -transporting system... -dispersing system
river / stream
any body of water flowing downhill in a well defined channel
drainage basin
the land area that contributes water to a stream
32 terms
Geology Rivers Quiz
flood
Alluvium
Stream drainage System
Dendritic pattern
overflow the banks. Damages more human property in the US tha…
sediment that has been transported and eventually deposited.…
the entire drainage network, from the smallest upland tributa…
*type of stream drainage pattern formed where rocks are flat…
flood
overflow the banks. Damages more human property in the US tha…
Alluvium
sediment that has been transported and eventually deposited.…
34 terms
Geology Exam 3 Rivers
hydrology
perennial streams
intermittent streams
velocity
the study of streams
flow year round
flow when there is enough water, usually after rain or snow m…
speed (ft/sec or m/sec)
hydrology
the study of streams
perennial streams
flow year round
35 terms
Geology Book Notes Rivers
Alluvial channels
Size of the sediment, the channel's gr…
Meandering and braided
Meanders
Form in the sediment that was previously deposited in the val…
Major factors affecting the shapes of alluvial channels
Types of alluvial channels
Streams that transport much of their load in suspension and g…
Alluvial channels
Form in the sediment that was previously deposited in the val…
Size of the sediment, the channel's gr…
Major factors affecting the shapes of alluvial channels
25 terms
Geology Lab: Streams and Rivers
An Introduction to Streams and Rivers
Stream or River
Principles that control streams
Stream's valley
Of all the agents that shape the Earth's surface, running wat…
A stream or river is any body of water that flows in a natura…
1. Gravity causes water in streams to flow down slope. The mo…
The area occupied by water in a stream is the stream's channe…
An Introduction to Streams and Rivers
Of all the agents that shape the Earth's surface, running wat…
Stream or River
A stream or river is any body of water that flows in a natura…
5 terms
Geology Rivers 1
A low, curved ridge of sand and gravel…
a flat bench like structure produced b…
the area of active erosion on the outs…
What factors influence infiltration ca…
Point par
Terrace
Cut bank
1) Rainfall intensity... 2) Vegetation cover... 3) Soil type... 4) Dur…
A low, curved ridge of sand and gravel…
Point par
a flat bench like structure produced b…
Terrace
25 terms
Geology River Systems and Groundwater
River
Graded River
Hydrologic cycle
hydrograph
working systems that respond to change in discharge and sedim…
equilibrium; balance of water and sediment
different reservoirs and pathways that water travels
graphical representation of a streams response to a rainfall…
River
working systems that respond to change in discharge and sedim…
Graded River
equilibrium; balance of water and sediment
29 terms
Geology 103: Rivers and Streams
By measuring the stage
Flood Stage
Discharge
Stream Hydrograph
How is discharge of a stream measured?
Elevation at which water completely fills channel
Volume of water moving past a point on a river over a unit of…
Records changes in discharge or stream height over time
By measuring the stage
How is discharge of a stream measured?
Flood Stage
Elevation at which water completely fills channel
Unity Geology rivers and streams
Alluvial fan
Base Level
Bed load
bifurcation ratio
Water looses it transport capacity when water transitions fro…
Point of landscape where stream can not erode anymore
some contact with channel bed large rocks
degree of branching in a stream system... Low: less streams and…
Alluvial fan
Water looses it transport capacity when water transitions fro…
Base Level
Point of landscape where stream can not erode anymore
71 terms
geology: running water-rivers
How much of Earths water can we use?
Earths total water %
Surface water
Future water wars will occur when
1% of fresh water ... 99% groundwater... < 1% surface water
-97% is ocean water (too salty)... -3% is fresh water but 2% is…
*We use surface water more than groundwater... -50% of drinking…
-when rivers run from one country to another, or borders to c…
How much of Earths water can we use?
1% of fresh water ... 99% groundwater... < 1% surface water
Earths total water %
-97% is ocean water (too salty)... -3% is fresh water but 2% is…
30 terms
Geology 101 Rivers
In what ways are rivers important to p…
hydrologic cycle
drainage basin
drainage divide
-carrys water and nutrients ... -drainage ... -habitat for animals…
-rain ... -runoff... -groundwater... -evaporation & condensation
an area of land where surface water from rain, melting snow,…
line that separates neighboring drainage basins
In what ways are rivers important to p…
-carrys water and nutrients ... -drainage ... -habitat for animals…
hydrologic cycle
-rain ... -runoff... -groundwater... -evaporation & condensation
24 terms
Geology Lab: Streams and Rivers
Fluvial Deposits
Stream or River
Hydrologists
Bed Load
A location where water is deposited from a channel
Is any body of water that flows in a natural channel
People who study natural water systems and the transfer of th…
Sediment rolling, sliding , or hopping particles along the bo…
Fluvial Deposits
A location where water is deposited from a channel
Stream or River
Is any body of water that flows in a natural channel
19 terms
Geology Alsleben Topic # 12 Rivers
Drainage Basin
Drainage Pattern
Dendritic Pattern
Radial Pattern
Land or surface area that provides water to a stream
Pattern that streams made on earth's surface. Controlled by m…
Drainage Basin
Land or surface area that provides water to a stream
Drainage Pattern
Pattern that streams made on earth's surface. Controlled by m…
39 terms
physical geology - river
2 hydrogen atoms joined to one oxygen…
The continual circulation of water in…
Evaporation ... Condensation ... Transpirati…
Liquid water turns into gas
Water molecule
Hydrologic Cycle
Hydrologic cycle
Evaporation
2 hydrogen atoms joined to one oxygen…
Water molecule
The continual circulation of water in…
Hydrologic Cycle
94 terms
Geology (Rivers, Ground Water, Karst)
Definition of a "River"
"Fluvial"
Erosion of a River
Transport of a River
A device for moving water, sediment and nutrients downhill
Describes stream related processes and resultant forms
Removal of surface material
Movement of material by running water
Definition of a "River"
A device for moving water, sediment and nutrients downhill
"Fluvial"
Describes stream related processes and resultant forms
84 terms
Geology: rivers, groundwater, coasts
Runoff
Streams
Hydrologic Cycle
Forming Streams
water in motion over the land surface
water flowing down channels
-Evaporation & Transportation... -Condensation... -Precipitation... -I…
-Streamflow begins as a moving sheet-wash... -Sheet-wash forms t…
Runoff
water in motion over the land surface
Streams
water flowing down channels
24 terms
Geology Lecture 13b (Rivers+Streams)
Drainage Basin
Channels
V-Shaped Valleys
Tributaries
Area on either side of river where water if flowing down into…
Carved out path that water will flow
V shape of a valley that was formed by a river flowing through
A river or stream flowing into a larger river or lake
Drainage Basin
Area on either side of river where water if flowing down into…
Channels
Carved out path that water will flow
33 terms
New York Geology, River Features
Taconic Island Arc
Avalon
Africa
Pangea
Volcanic Island chain which crashed into Proto North America,…
Volcanic Island chain which crashed into Proto North America,…
Continent which collided with the eastern part of Proto North…
The name given for the single landmass which existed when Ear…
Taconic Island Arc
Volcanic Island chain which crashed into Proto North America,…
Avalon
Volcanic Island chain which crashed into Proto North America,…
87 terms
Geology 103 Ch. 6 Rivers
Earth's Water
Fresh Water as Glaciers
Fresh Water as Groundwater
Fresh Water as Lakes and Streams
96% salt and 4% fresh
73%
26%
0.2%
Earth's Water
96% salt and 4% fresh
Fresh Water as Glaciers
73%
58 terms
Geology River Quiz
meandering
erosion
deposition
river
-a loop like bend in the course of a stream... -serves to optimi…
-the incorporation and transportation of material by a mobile…
-process by when sediments are laid down ... -occurs when veloci…
-an engineered device for moving water, sediment, and nutrien…
meandering
-a loop like bend in the course of a stream... -serves to optimi…
erosion
-the incorporation and transportation of material by a mobile…
67 terms
Environmental Geology: Rivers, Floods and Soils
Rivers
watershed
tributaries
divides
any body of water confined to a channel; moves by gravity
is an area where the surface runoff from precipitation onto t…
streams that flow into another
boundaries between watersheds of all sizes
Rivers
any body of water confined to a channel; moves by gravity
watershed
is an area where the surface runoff from precipitation onto t…
18 terms
geology exam 2 - rivers and flooding
what are watersheds
biggest watershed on earth
discharge ... depends on what
calculating discharge
area on surface where surface runoff from precipitation onto…
amazon
amount of water flowing in a river at a given time ... 1) size o…
m3/s = area(m2) x velocity (m/s)
what are watersheds
area on surface where surface runoff from precipitation onto…
biggest watershed on earth
amazon
72 terms
geology test 3 rivers and streams
what percent of earths surface does wa…
what are the 3 sources of water
percent of water from glaciers
percent of water from oceans
70%
glaciers... oceans... groundwater (and all else)
2.15%
97%
what percent of earths surface does wa…
70%
what are the 3 sources of water
glaciers... oceans... groundwater (and all else)
20 terms
Geology Chapter 3: Rivers and Streams
Graded Stream
Dynamic Equilibirum
Erosion
Depostion
-the slope of a stream channel expressed as the vertical drop…
-"you can't just change one thing about a stream"
-The process by which water, ice, wind, or gravity moves frag…
-The process by which sediment settles out of the water or wi…
Graded Stream
-the slope of a stream channel expressed as the vertical drop…
Dynamic Equilibirum
-"you can't just change one thing about a stream"
38 terms
Geology Chapter 14: Steams and Rivers
alluvial fan
alluvium
annual probability
antecedent stream
A gently sloping apron of sediment dropped by an ephemeral st…
sorted sediment deposited by a stream
the likelihood, expressed as a percentage, that an event (flo…
a stream that cuts across an uplifted mountain range; the str…
alluvial fan
A gently sloping apron of sediment dropped by an ephemeral st…
alluvium
sorted sediment deposited by a stream
42 terms
Chapter 18 Geology: Glaciers and Rivers
arete
basal sliding
cirque
continental glacier
a residual knife-edge of rock that separates two adjacent cir…
The phenomenon in which meltwater accumulates at the base of…
a bowl shaped depression carved by a glacier on the side of a…
a vast sheet of ice that spreads over thousands of square kil…
arete
a residual knife-edge of rock that separates two adjacent cir…
basal sliding
The phenomenon in which meltwater accumulates at the base of…
28 terms
Geology Test 3- Rivers and floods
Why do streams develop
Formation of rivers depends on
Difference between drainage divide and…
What is downcutting
Streams form when downhill water creates a channel capable of…
climate... soil type... bedrock lithology... slope... vegetation... many oth…
Can be multiple watersheds in one drainage divide. Drainage d…
deepening of the stream caused by channel bed erosion
Why do streams develop
Streams form when downhill water creates a channel capable of…
Formation of rivers depends on
climate... soil type... bedrock lithology... slope... vegetation... many oth…
29 terms
Geology Chapter 9 Rivers and Flooding
Which country suffers the greatest los…
What does Asia response to flooding sh…
In July and August 2010 the greatest m…
As Pakistan population grew what happe…
Asia suffers the greatest economic lost and greatest number o…
The high human population among rivers and land use changes l…
Pakistan
More of the country's floodplains with forest and wetlands we…
Which country suffers the greatest los…
Asia suffers the greatest economic lost and greatest number o…
What does Asia response to flooding sh…
The high human population among rivers and land use changes l…
20 terms
geology test 2: Water: rivers
what is the driving force of the hydro…
where is most of the freshwater stored?
what usually causes a waterfall?
What are the three things streams are…
sun
glaciers
a fault
1) erode... 2) transport... 3)deposit
what is the driving force of the hydro…
sun
where is most of the freshwater stored?
glaciers
55 terms
Geology Unit 3 Chapter 17- Rivers
Water Molecule
Hydrologic Cycle
Evaporation
Condensation
- 2 hydrogen atoms joined to one oxygen atom by covalent bond…
- The continual circulation of water in its three states (liq…
Liquid water that is turned into a gas (opposite of condensat…
The transformation of water vapor to liquid water droplets in…
Water Molecule
- 2 hydrogen atoms joined to one oxygen atom by covalent bond…
Hydrologic Cycle
- The continual circulation of water in its three states (liq…
41 terms
Geology 151- Rivers, Deltas, Groundwater, and Karst
River
Erosion
Fluvial
Transport
A device for moving water, sediment, and nutrients downhill
The removal of surface material
to describe stream related processes and result in forms
the movement of material by running water- stream carry a mix…
River
A device for moving water, sediment, and nutrients downhill
Erosion
The removal of surface material
35 terms
Geology 1014: Ch 7 Rivers and Flooding
Watershed
Tributaries
Divide
Runoff
area where the surface runoff from precipitation onto the lan…
Streams that flow into another.
elevated areas between watersheds. o Some precipitation infil…
Overland flow
Watershed
area where the surface runoff from precipitation onto the lan…
Tributaries
Streams that flow into another.
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