LONGSHORE DRIFT COURSEWORK

This makes it a simple fieldwork investigation to carry out. Random point, line or area techniques can be used as long as the number of measurements taken is in proportion to the size of the whole. You are commenting using your WordPress. The c-axis is the shortest axis Measuring shape The simplest way to record pebble shape is to classify the stone as very angular, angular, sub-angular, sub-rounded, rounded or very rounded using a Power’s Scale of Roundness. Repeat the experiment at least 3 times, or until you judge that the running mean for distance travelled by a pebble indicates that you have taken an adequate sample. Longshore drift is a process responsible for moving significant amounts of sediment along the coast. The measurement technique used depends on the size of the sediments.

How does the sea transport material? Severity of coastal flooding can be determined by considering the properties that would be affected by flooding, especially their economic value or worth if damaged. Random point, line or area techniques can be used as long as the number of measurements taken is in proportion to the size of the whole. Split the line into segments where the slope angle changes. High tides and storm waves will transport the cliff debris out to sea. Please rank the following statements from 1 most important to 6 least important Answers:

Therefore an appropriate sampling strategy is adopted to obtain a representative, and statistically valid sample of the whole. Find out more about landforms of coastal deposition. The size and shape of coarse sediments can be measured on the beach.

Shoreline management plans Shoreline management plans are an essential source to find our more about about erosion and other coastal processes in your chosen length of coastline. Over time this creates a net shift of material along the coast.

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The video below shows the movement of beach sediment at Mappleton, Holderness Coast. Sediment budget Find out about the sediment budget. Shoreline Management Plans and Environment Agency documentation can provide you with values for the cost of the different types of sea defence in your study area. Interview surveys can be more detailed and more flexible than questionnaires, with open ended rather than closed questions and the opportunity for respondents to give their opinions without being pigeon-holed by option boxes.

The sediment sample is placed in the top sieve then the sieves are shaken to sort the sediment into the various sieves.

Longshore Drift – A Level Geography

View images of coastal environments in the coastal galler y. A diagram highlighting the benefits of using stratified random sampling and stratified systemic sampling within certain fieldwork sites.

longshore drift coursework

These techniques can be used in the traditional way to study and analyse coastal processes and landforms. Many ranging poles have stripes which can be used for this purpose. Beach profiles use distance and angle measurements to help you investigate the shape of the beach. Wave cut platform and cliff retreat Important The processes by which this feature forms are not dominant at the field work site at Reculver.

You can compare a series of groynes along a length of beach. You are commenting using your WordPress. Evaluating the impact and severity of flooding behind coastal defences Severity of coastal flooding can be determined by considering the properties that would be affected doursework flooding, especially their economic value or worth if damaged. Fieldwork Coursework element — fieldwork Coasts Introduction a range of techniques that you can use for fieldwork in coastal environments.

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Sampling is done at the nearest feasible place. Measuring size The size and shape of coarse sediments can be measured on the beach.

Each time the anemometer makes a full rotation, the wind speed is measured by the number of revolutions per minute RPM. This is the result of gravity.

Geography Fieldwork

What lives on or around them? The number of revolutions is recorded over time and an average is determined. Instrument area is used to measure coursewotk weather conditions in calmer, drier conditions-providing primary data. Constructive Waves – Scoil Mhuire Geography.

longshore drift coursework

View the coasts menu. Split the line into segments where the slope angle changes. Choose a series of opposing positive and negative statements. Add this document to saved. The cliff debris offers some protection, to the cliffs behind, from longzhore waves. Systemic sampling grid showing methods of generating systemic points, lines and areas. The swash moves beach material along the beach and the backwash, under gravity, pulls the material back down the beach at right angles to the coastline.

longshore drift coursework

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