Channel Networks and Inland Seas
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Questions and Answers

Evaporation is particularly important in the transfer of water from the ______ store into the atmosphere.

sea

Transpiration plants take up liquid water from the soil and 'breathe' it into the ______ as water vapor.

atmosphere

Evapotranspiration is the loss of moisture from the ground by direct evaporation from water bodies and the ______, plus transpiration from plants.

soil

Condensation is the change in the atmosphere when water vapor cools and becomes ______.

<p>liquid</p> Signup and view all the answers

Precipitation is the transfer of water in any form (rain, hail or snow) from the atmosphere to the ______ or sea surface.

<p>land</p> Signup and view all the answers

Infiltration and percolation are the transfer of water downwards through the ______ and rock into the aquifer or groundwater store.

<p>soil</p> Signup and view all the answers

Rainwater hits solid surfaces such as roofs, pavements and roads. It is then quickly channelled into ______ which speed its delivery into a stream or river

<p>drains</p> Signup and view all the answers

Each drainage basin is unique in its combination of features. These features include size, shape, rock type, relief and ______

<p>land use</p> Signup and view all the answers

The main river has its source in the higher parts of the basin close to the ______

<p>watershed</p> Signup and view all the answers

The amount of water carried by a river at any one time is known as its ______

<p>discharge</p> Signup and view all the answers

The channel (or drainage) network is the system of surface and underground channels that collects and transports the precipitation falling on the ______

<p>drainage basin</p> Signup and view all the answers

Land use can be easily changed by ______

<p>people</p> Signup and view all the answers

During the hydrological cycle, water is held in a number of ______

<p>stores</p> Signup and view all the answers

The atmosphere is one of the stores where the water exists either as water vapour or as minute droplets in ______.

<p>clouds</p> Signup and view all the answers

The land is another store where water is stored on the surface in rivers, lakes, and ______.

<p>reservoirs</p> Signup and view all the answers

Water is taken in by plants and stored in vegetation for short periods of time. It is also stored below ground in the ______.

<p>bedrock</p> Signup and view all the answers

The sea is estimated to hold over 95 per cent of the Earth's water, mostly held in liquid form but also as ______ in high-latitude seas.

<p>ice</p> Signup and view all the answers

Every river has its own drainage basin or ______ area.

<p>catchment</p> Signup and view all the answers

Compara the hydrograph of the Ganges with that of the Thames as shown by Figures 1.6 and 1.7. Try to explain the ______.

<p>differences</p> Signup and view all the answers

Draw an annotated diagram showing impacts of the six factors on ______ regimes.

<p>river</p> Signup and view all the answers

Three processes are at work here ______, transport and ______.

<p>erosion, deposition</p> Signup and view all the answers

Once the storm and its peak discharge have passed, the amount of water in the river starts to ______.

<p>decrease</p> Signup and view all the answers

A storm hydrograph records the changing ______ of a river after a rainstorm.

<p>discharge</p> Signup and view all the answers

Unlike the Ganges, the highest discharges generally occur in ______, in February and March.

<p>winter</p> Signup and view all the answers

All this destructive activity takes place where rocks are found above the surface of the surrounding land. Once rocks are really broken down, the weathered material starts to move down the slope under the influence of ______.

<p>gravity.</p> Signup and view all the answers

In river valleys, there are two main types of mass movement as follows. DNMENTS#

<p>CHECK YOUR UNDERSTANDING</p> Signup and view all the answers

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