Case study-

Which of the following is the correct definition for hard-engineering technique?

• Hard engineering is a coastal management technique used to protect coasts,by absorbing the energy of waves, preventing erosion and flooding

• its cheaper compare to soft engineering technique

• It doesnt have any negative impact on the landscape

• sustainable

Choose the correct examples under hard engineering technique:

• sea wall

• groynes

• revetments

• managed retreat

Choose the correct definition for sea walls

• They are barriers, usually made from wood, built at right angles to the beach to trap sediment and stop it being moved by longshore drift

• It consists of large boulders placed along the cliff but can be expensive to obtain and transport the boulders

• They are metal cages which enclose rocks and boulders to absorb the energy from waves

• They are usually built along the base of cliffs to prevent both erosion and flooding. They are often curved, which means waves are reflected.

............. involves replacing beach material that has been removed by erosion and longshore drift.

Soft engineering technique is known as

• expensive

• unsustainable

• less impact on the natural environment as it works, wlongside natural processes.

Iceland can create energy from geothermal and water sources because

• Location- Mid Atlantic Ridge

• There is a lot of volcanic activity

• It has its own deposits of fossil fuels

In Iceland, geothermal power is used for:

• heating

• electricity generation

• fish farming

• cooking

Give two advantages of the Karahnjukar project (HEP) for Iceland.

• job opportunities

• produces large amounts of electricity

• attracts migrant workers

.................. is the largest HEP station which was completed in 2009.

Which of the following is TRUE about Iceland?

• Its a country that relies heavily on non-renewable energy

• country that is rich with non- renewable energy

• it is the only western country that produces all its electricity from geothermal and HEP