Which One Of The Following Best Describes How Urbanization Affects Small-Stream Watersheds?

Which One Of The Following Best Describes How Urbanization Affects Small-stream Watersheds??

Which one of the following best describes how urbanization affects small-stream watersheds? Infiltration decreases lag time between storms and peak runoff shortens.

How does urbanization affect runoff and infiltration in a small?

How does urbanization (e.g. paving) affect runoff and infiltration in a small previously forested drainage basin? Runoff increases and infiltration decreases. You just studied 25 terms!

Which one of the following rivers has the largest water discharge of any in the world?

The Amazon River is found in the continent of South America and is the largest river in the world regarding discharge by volume. It is one of the longest rivers in the world covering a distance of 4 132 miles.

Which is the correct term for water that flows in a channel regardless of size?

Stream = water that flows in a channel regardless of size. River = general term for streams that carry substantial wants of water and have numerous tributaries.

Which term describes the total sediment load transported by a stream?

what term describes the total sediment load transported by a stream? suspended load. what term generally refers to the highest percentage of the annual sediment load moved by a stream? sea level drops when water is stored in expanding ice sheets and continental glaciers.

Does urbanization affect runoff?

As urbanization progresses urban land use changes augmenting the area of impervious surfaces and as a consequence reducing infiltration during storm events and increasing direct runoff that eventually alters urban hydrologic processes [2 3 4].

How does Urbanisation affect infiltration?

Altered urban soils can preclude or retard natural processes such as infiltration and throughflow resulting in increased ponding or surface runoff (Horton et al. 1994. Effects of compaction on soil hydraulic properties.

Which river has the largest discharge?

Amazon

List of rivers by discharge
No Continent River
1 South America Amazon
2 Africa Congo (Zaire)
3 Asia Ganges/Brahmaputra/Meghna
4 South America Orinoco

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Which river has the greatest discharge of any stream on the earth?

Although the Nile River is longer the Amazon River has the greatest discharge of any stream on Earth.

Which river has the largest discharge rate in India?

List of rivers of India by discharge
No. Region River
1 Indo-Gangetic plain Ganges-Brahmaputra-Meghna
2 Indo-Gangetic plain Indus
3 West Coast West flowing rivers south of Tapti
4 Deccan Godavari

What affects the flow of a river?

The velocity of a river is determined by many factors including the shape of its channel the gradient of the slope that the river moves along the volume of water that the river carries and the amount of friction caused by rough edges within the riverbed.

What is flow of water in a channel called?

Streamflow or channel runoff is the flow of water in streams rivers and other channels and is a major element of the water cycle. … The discharge of water flowing in a channel is measured using stream gauges or can be estimated by the Manning equation. The record of flow over time is called a hydrograph.

How does water flow in a river?

A river forms from water moving from a higher elevation to a lower elevation all due to gravity. When rain falls on the land it either seeps into the ground or becomes runoff which flows downhill into rivers and lakes on its journey towards the seas. … Flowing water finds its way downhill initially as small creeks.

What term describes the sediment carried in moving waters?

Another name for sediment transport is sediment load. The total load includes all particles moving as bedload suspended load and wash load 11.

Which of the following terms describes the maximum sediment load that can be carried by a stream?

This process is called saltation. Capacity and competence. The maximum load of sediment that a stream can transport is called its capacity. Capacity is directly proportional to the discharge: the greater the amount of water flowing in the stream the greater the amount of sediment it can carry.

What refers to sediments deposited from streams?

Alluvium refers to stream deposits mainly sand and gravel. … Natural levees are constructed of machine-compacted sand and mud artificial levees are made of concrete.

How does Urbanisation of a watershed tend to affect flooding?

… The process of urbanization increases the risk of flooding. Urbanization increases impervious areas and decreases water infiltration which result in an increased runoff flood peaks and flood volumes [4] . It has been found that high flood damage occurs due to rapid urbanization [5]. …

How does Urbanisation affect flooding?

Urbanisation has reduced the ability of land to absorb rainfall through the introduction of hard impermeable surfaces. This results in an increase in the volume and rate of surface run-off as less water infiltrates into the ground. … Surface water (pluvial) flooding. Groundwater flooding.

How does urbanization increase runoff?

Stormwater Runoff and Impervious Surfaces

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Impervious surfaces associated with urbanization reduce infiltration and increase surface runoff (see Figure 16) altering the pathways by which water (and any associated contaminants) reach urban streams.

How does urbanization affect the biosphere?

4.2.4 Urbanization and the Biosphere

The main impact urbanization has on plants and animals is loss of habitat. Loss of suitable habitat can result from pollution physical destruction alteration of the local climate or through the competition of introduced species.

What are the effect of urbanization?

Urbanisation affects the physical environment through the impacts of the number of people their activities and the increased demands on resources. Urbanisation has negative consequences on health due mainly to pollution and overcrowded living conditions. It can also put added pressure on food supply systems.

How does urbanization affect the carbon cycle?

The influence of cities on the carbon cycle extends beyond cities’ limits and their contributions to the emissions from burning fossil fuels and land use change. … Urbanization created two new pools of carbon such as buildings and landfills which constitute ~1.6% of the total vegetation and soil pools globally.

Where is Amazon River?

The Amazon River is located in the northern portion of South America flowing from west to east. The river system originates in the Andes Mountains of Peru and travels through Ecuador Colombia Venezuela Bolivia and Brazil before emptying into the Atlantic Ocean.

What is the world’s shortest river?

The Roe River
There you will find what The Guinness Book of World Records has called the shortest river in the world. The Roe River measures an average 201 feet in length.May 5 2019

Which is longest river in the world?

WORLD
  • Nile: 4 132 miles.
  • Amazon: 4 000 miles.
  • Yangtze: 3 915 miles.

What river has the greatest flow?

the Amazon

The greatest flow of any river in the world is that of the Amazon which discharges an average of 200 000 m³/sec (7 100 000 ft³/sec) into the Atlantic Ocean increasing to more than 340 000 m³/sec (12 000 000 ft³/sec) in full flood.

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How does stream gradient change in the downstream direction?

As one moves along a stream in the downstream direction:
  1. Discharge increases as noted above because water is added to the stream from tributary streams and groundwater.
  2. As discharge increases the width depth and average velocity of the stream increase.
  3. The gradient of the stream however will decrease.

When one stream captures the flow from another stream it is called?

When one stream captures the flow from another stream it is called. stream piracy.

Which state has no river in India?

Chandigarh is located between the Punjab and Haryana Punjab to its north and west and Haryana to its east and south. The city is situated at the foot of Shivalik ranges of Himalayas. Chandigarh has no river but it has large lake Sukhana.

Which river has the smallest basin in India?

Avari River

The Avari River the smallest or shortest river in India has the smallest river basin in the country.

Which is longest river of India?

At over three thousand kilometers long the Indus is the longest river of India. It originates in Tibet from Lake Mansarovar before flowing through the regions of Ladakh and Punjab joining the Arabian Sea at Pakistan’s Karachi port.

What is stream gradient?

Stream gradient is the grade measured by the ratio of drop in elevation of a stream per unit horizontal distance usually expressed as meters per kilometer or feet per mile.

What affects water quality and stream flows?

The volume of stream flow is determined by many factors. Precipitation is of course the primary factor- the more rain or snowmelt the higher the flow. … If it rains hard enough and long enough the ground may saturate with water and then the precipitation will run off directly into the stream.

What affects stream discharge?

Stream discharge is the amount (volume) of water carried by a stream past a point per second. … The velocity of the water affects it faster water means more passes per second so more discharge. The width and depth of the river also affects it a larger river at the same speed will have higher discharge.

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