what is stream flow

  • Alluvial Fans. When a stream leaves an area that is relatively steep and enters one that is almost entirely flat, this is called an alluvial fan. …
  • Braided Streams. …
  • Deltas. …
  • Ephemeral Streams. …
  • Intermittent Streams. …
  • Meandering Streams. …
  • Perennial Streams. …
  • Straight Channel Streams.

What’s the difference between brook and stream?

Stream – any body of moving water that moves under gravity to progressively lower levels, in a relatively narrow but clearly defined channel on the surface of the ground. Brook – a small stream or rivulet, commonly swiftly flowing in rugged terrain, of lesser length and volume than a creek.

What’s smaller than a brook?

Brook – A very small natural waterway, smaller than a stream. Stream – A small natural waterway, larger than a brook, but smaller than a creek. Creek – A medium natural waterway, larger than a stream. … Tributary – A waterway (larger than a branch) that flows into another, usually larger, waterway.

What is stream flow pattern?

Streamflow is the volumetric discharge expressed in volume per unit time (typically cubic feet per second (ft3/s) or cubic meters per second (m3/s)) that takes place in a stream or channel and varies in time and space.

What is stream flow influenced by?

Climate factors that affect streamflows include air temperature, whether precipitation falls as rain or snow, and the timing of precipitation and snowmelt. However, human management of land and water resources over the last 3 decades have modified streamflows more than variation in climate has over the same period.

What causes low streamflow?

Low flow in our streams and rivers occurs during summer months when there is less rain and warmer temperatures and the snow-pack has been depleted through spring melt.

Are streams deep?

2. In general, small streams may be as deep as as they are wide whereas large streams usually have widths many times greater than their depths. 3. The gradient of a stream is a measure of the vertical distance that a stream channel falls between two points along its course.

How fast do streams flow?

The speed at which a stream flows is called the stream velocity. A fast river moves at a rate of about 5 miles per hour. The water moves most rapidly in the middle of the channel, where the water is deepest and friction is minimal.

What is a stream in networking?

In computer networking, STREAMS is the native framework in Unix System V for implementing character device drivers, network protocols, and inter-process communication. In this framework, a stream is a chain of coroutines that pass messages between a program and a device driver (or between a pair of programs).

What is the difference between stream discharge and stream velocity?

Stream velocity is the speed of the water in the stream. Units are distance per time (e.g., meters per second or feet per second). … Stream discharge is the quantity (volume) of water passing by a given point in a certain amount of time.

What are the 3 zones of a river?

Figure 8.18: There are three zones in the downhill flow of water: the source zone, which contains mountain (headwater) streams; the transition zone, which contains wider, lower-elevation streams; and the floodplain zone, which contains rivers that empty into larger rivers or into the ocean.

What is overland flow in the water cycle?

Overland flow is the movement of water over the land, downslope toward a surface water body. Overland flow is a very important aspect of the water cycle and can be generated under two different physical mechanisms.

What is depth of a river?

River depth is how deep a river is. Depth changes across a river channel due to material on the river bed. Therefore, it is useful to calculate the mean depth.

What discharge is abnormal?

What causes abnormal discharge?

Type of Discharge What It Might Mean
Frothy, yellow or greenish with a bad smell Trichomoniasis
Pink Shedding of the uterine lining after childbirth (lochia)
Thick, white, cheesy Yeast infection
White, gray, or yellow with fishy odor Bacterial vaginosis

What discharge fluid mechanics?

Discharge or rate of flow (Q) is defined as the fluid flowing per second through a channel or section of a pipe. This rate of flow is expressed in terms of “volume” when the fluid flow is incompressible and is taken in terms of “weight” when the flow is compressible.

How do you calculate water discharge?

Discharge = V x D x W

If length is measured in feet and time in seconds, Discharge has units of feet3/sec or cubic feet per second (cfs). Depth times Width gives the cross-sectional area.

What is river gage height?

Gage height (also known as stage) is the height of the water in the stream above a reference point. Gage height refers to the elevation of the water surface in the specific pool at the streamgaging station, not along the entire stream. Gage height also does not refer to the depth of the stream.

How fast does a creek flow?

“Speed also varies along the stream channel, being fastest where the channel is narrowest and the gradient steepest, and it changes with time, being fastest at flood stage. Speed probably varies from about 3 ½ to 7 miles per hour.”

How does groundwater become surface water?

Groundwater and surface water are interconnected; groundwater becomes surface water when it discharges to surface water bodies. Most streams keep flowing during the dry summer months because groundwater discharges into them from the zone of saturation – this flow is called baseflow.

What is stream drainage?

The drainage area of a stream encompasses all the land from which surface runoff flows into that stream. A stream drainage area is also called a watershed. Boundaries between stream drainage areas are called drainage divides.

How do streams work?

When rain falls in a watershed, it either runs off the land surface into streams or lakes, infiltrates into the soil or evaporates. As surface runoff moves downslope, it concentrates in low areas and forms small stream channels. … The size and flow of a stream are directly related to its watershed area and geology.

What do streams do?

Besides providing drinking water and irrigation for crops, streams wash away waste and can provide electricity through hydropower. People often use streams recreationally for activities such as swimming, fishing, and boating. Streams also provide important habitat for wildlife.

Which is bigger river or stream?

Rivers are deeper than streams. River carries the sediments brought into it by streams into larger water bodies such as ocean or a lake. Unlike streams, rivers flow within wider banks.

What’s the difference between a stream and a river?

A river is a natural flow of running water that follows a well-defined, permanent path, usually within a valley. A stream (also called a brook or a creek) is a natural flow of water that follows a more temporary path that is usually not in a valley.

What is the difference between a river stream and a creek?


what is stream flow



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