What is the relationship between a drainage basin and the global hydrological cycle?
A drainage basin is the area from which one river and its tributaries receives water from above and below the ground. The hydrological cycle within a drainage basin is described as an open system because it consists of inputs, storage, transfers and outputs.
How does the water cycle work in a drainage basin?
The drainage basin hydrological cycle may be defined as a single river basin bounded by its own watershed and the sea. The drainage basin hydrological cycle is an open system. This means it has inputs and outputs. Energy from the sun and precipitation (including rain and snow) enter the system and water leaves it.
What is the relationship between a drainage basin and a divide?
This map shows one set of watershed boundaries in the continental United States; these are known as National hydrologic units (watersheds). The word “watershed” is sometimes used interchangeably with drainage basin or catchment. Ridges and hills that separate two watersheds are called the drainage divide.
How does drainage affect the water cycle?
The increasing prevalence of vegetation and soil, grading of land surfaces and construction of drainage networks will reduce precipitation rates and shorten the lifecycle of precipitation that causes flooding in nearby streams, as well.
What are the main hydrological characteristics and processes that operate within rivers and drainage basins?
Wednesday, 20 July 2016
- •there are also many processes which occur in a drainage basin.
- •evaporation: when liquid changes to a gas.
- •overland flow: the movement of water across a land’s surface, not in rivers.
- •through flow: the horizontal movement of water through soil.
What is the difference between drainage system and drainage basin?
A river basin collects water and moisture from different sources, such as those that come from the drainage systems of homes, and drains them out into other bodies of water while a watershed divides the river basins or collection points that contain the water that is collected.
How does the relief of a drainage basin impact the water cycle?
Topography & relief: the steeper the basin the more quickly it drains. Indented landscapes will collect water and reduce runoff rates, reducing the amount of water reaching the river channel. Heavy Storms: runoff will increase after soil field capacity is met which means water will reach the channel quicker.
What is the difference between basin and drainage?
A river drainage basin is an area drained by a river and all of its tributaries. A river basin is made up of many different watersheds. A watershed is a small version of a river basin. Every stream and tributary has its own watershed, which drains to a larger stream or wetland.
What influences the hydrological cycle?
The water cycle operates at different scales in different places. It is strongly influenced by location, temperature and topography.
What are the components of a drainage basin?
Characteristics of the drainage basin
- Drainage basin – the area of land drained by a river.
- Catchment area – the area within the drainage basin.
- Watershed – the edge of highland surrounding a drainage basin which marks the boundary between two drainage basins.
- Source – the beginning or start of a river.
What are the components of drainage basin?
A drainage basin is a region of land where water from rain or snowmelt drains downhill into a body of water, such as a river, lake, dam, estuary, wetland, sea or ocean. The drainage basin includes both the streams and rivers that convey the water as well as the land surfaces from which water drains into those channels.
What is the importance of drainage basins?
IMPORTANCE OF MANAGING DRAINAGE BASINS/CATCHMENT AREAS Store water and protecting for future use • Reduce discharge and recycle harmful agricultural run-off. chances of flooding • Domestic use – use by people in homes etc.
What factors affect drainage basin?
Physical characteristics
- Basin size. This influences the lag time – a large drainage basin will mean that water takes a long time to travel through tributaries or the ground to reach the channel.
- Basin shape.
- Elevation and slope.
- Rock type.
- Soil type.
- Drainage density.
- Rainfall type.
- Rainfall intensity.
What is the relationship between a river and a drainage basin?
How are drainage basins formed?
Basins are formed by forces above the ground (like erosion) or below the ground (like earthquakes). They can be created over thousands of years or almost overnight. The major types of basins are river drainage basins, structural basins, and ocean basins.
What is hydrological cycle and its components?
The water cycle describes how water is exchanged (cycled) through Earth’s land, ocean, and atmosphere. 3 – 12+ Earth Science, Geography, Meteorology, Physical Geography.
How does the hydrological cycle influence river systems?
1.3 The hydrological cycle influences water budgets and river systems at a local scale. Water budgets show the annual balance between inputs (precipitation) and outputs (evapotranspiration) and their impact on soil water availability and are influenced by climate type (tropical, temperate, polar examples).
What is drainage system explain any two factors which influence it?
Two factors that influence a drainage system are the velocity and volume of water because if in excess, they will create pressure on the drainage system, causing disruption of the path, loss of water, or even flooding. Read on.
What is the relationship between stream order and drainage density?
Stream order is a measure of the relative size of the streams. Here the Strahler’s stream order method is used. Watershed is a finite area having a number of stream order. Drainage density is the total length of all the streams and rivers in a drainage basin divided by the total area of the drainage basin.
How is the hydrological cycle within a drainage basin different?
The hydrological cycle within a drainage basin is different to a global hydrological system in that it is an open system and input, water transfer, and storage will vary. A drainage basin is the area from which one river and its tributaries receives water from above and below the ground.
What are the inputs of the drainage basin hydrology?
The drainage basin hydrological system Inputs include precipitation (including rain and snow) and solar energy for evaporation.
What are the components of the hydrological cycle?
Some of the hydrological cycle components include the following: The first component of the hydrological cycle is evaporation of water that comes from Earth. Various water sources in the sea and the land also experience evaporation due to sunlight, which turns them into water vapor that’s invisible through the atmosphere.
What is a drainage basin?
A drainage basin is the area from which one river and its tributaries receives water from above and below the ground. The hydrological cycle within a drainage basin is described as an open system because it consists of inputs, storage, transfers and outputs. Inputs will vary depending upon the location of the river.