• Join over 1.2 million students every month
  • Accelerate your learning by 29%
  • Unlimited access from just £6.99 per month

"Examine the impact that weathering has had on human activity."

Extracts from this document...

Introduction

Teacher: Mr Lee, Physical Geography, Joshua Malina 11/12/04 Essay title: "Examine the impact that weathering has had on human activity." Weathering has impacted human activity in a variety of ways. There are both positive and negative aspects of the result of weathering. Firstly, the negative impacts are to be discussed. Weathering often seems to be at a higher rate in urban areas than that of rural areas due to the large volumes of gases and pollution given out by industries and vehicles. When coal and oil are burnet sulphur dioxide is releases and when it combines with water vapour in the air dilute sulphuric acid is the product. Nitrogen oxides combine in a similar way to produce nitric acid. The result is acid rain. The acid rain chemically weathers materials away by decomposing the minerals. London is widely known for burning large doses of fossils fuels increasing the amount of acid rain. This rain has then fallen on buildings such as St. ...read more.

Middle

The salt crystallises and hydrates through the pores within underlying material causing salt crystal growth. This mechanical weathering exerts pressure on surrounding areas when water is heated and hence evaporates leaving the salt behind. The result is a pitted and uneven road surface that in time will need to be replenished due to its unsuitability for driving on and thus this costs large amounts of money. This process is also very common in arid coastal regions of Greece and Turkey which water is very quickly evaporated and leaves behind growing salt crystals. Freeze thaw weathering also impacts human activity because it degrades road surface quality. In Scotland for example due to the cold and icy climate freeze-thaw is a dominant process whereby water will get into cracks and fractures in the rock and expand during colder times by 9.05% (usually nights) and melts in warmer temperatures (usually day times). This again results in the roads having an uneven surface which are hard to drive on and an economic burden for the future. ...read more.

Conclusion

Mineral wealth includes petroleum, coal, tin, gold, and silver. Industries on the island at centres such as Jakarta and Surabaya are largely based on the processing of these agricultural and mineral products, with the addition of timber processing, chemicals, shipbuilding, and motor vehicle assembly. This will no doubt have allowed the people living there to sustain their living needs and also make money from selling excess as commercial produce. Weathering in southwest England, in particular Dartmoor has created China clay. The granitic rock there containing feldspar s decomposed by hydrolysis to form the white clay Kaolin. China clay production in Southwest England was estimated at 150million tonnes by the year 1998. This material is used to produce porcelain ceramics and paper. It is employed in natural and synthetic rubber compounds, plastics, white cement, glass fibre, fertilisers, pesticides, weed killers, paints and protective coatings, crayons, cosmetics, medicines, and new uses are constantly being developed. This opens up many industries for the UK which undoubtedly contributes to a reasonable sum of the UK's annual real GDP. Overall, it be seen that weathering gives both advantages and disadvantages to human activity in a variety of ways. ...read more.

The above preview is unformatted text

This student written piece of work is one of many that can be found in our GCSE Aqueous Chemistry section.

Found what you're looking for?

  • Start learning 29% faster today
  • 150,000+ documents available
  • Just £6.99 a month

Not the one? Search for your essay title...
  • Join over 1.2 million students every month
  • Accelerate your learning by 29%
  • Unlimited access from just £6.99 per month

See related essaysSee related essays

Related GCSE Aqueous Chemistry essays

  1. An Investigation of the weathering of limestone.

    The equipment will be the same as possible but because we are performing the experiment over two days this will be difficult, but we will still use the same kind of equipment. We will use the same kind of acid, being hydrochloric acid.

  2. A Investigation into the Rate of Chemical Weathering of Marble

    ice to the solution or increased by heating it over a flame. It is important to remember that 20 C is not twice as hot as 10 C so the particles do not necessarily move twice as fast. This is a scientific experiment so the best scale to use would be the Kelvin Scale.

  1. Humans impacts on the environment.

    take more resources to support a larger population, and as a result the environmental costs will probably be much higher. Also unless waste is properly disposed of more pollution will be caused. * Supplies of water irrigation are declining around the world as underground water reserves are being used up faster than nature can fill them.

  2. To find out what effects the weathering of the limestone building.

    PREDICTION: I will predict that the larger the chunks of limestone, the lesser the gas is produced, because their will be a big chunk and a bit of acid so it will react slowly and produce less gas, if it is medium chunks then the acid will react a bit

  • Over 160,000 pieces
    of student written work
  • Annotated by
    experienced teachers
  • Ideas and feedback to
    improve your own work