Geographical equipment A stopwatch is used to record time, eg. Class I is the Rivers coursework and Class VI is the hardest. Bedrock rivers very often contain alluvium on their beds; this material is important in eroding and sculpting the channel.
Even in humid regions, the location where flow begins in the smallest tributary streams generally moves upstream in response to precipitation and downstream in its absence or when active summer vegetation diverts water for evapotranspiration.
Environmental surveys Environmental surveys may be used to track pollution at a variety of sites. You may not know the source of the data and the collection method.
Subterranean rivers flow underground in caves or caverns. The term left bank refers to the left bank in the direction of flow, right bank to the right. In general, velocity increases with the depth or hydraulic radius and slope of the river channel, while the cross-sectional area scales with the depth and the width: The steepened nature of the banks causes the sides of the valley to move downslope causing the valley to become V-Shaped.
Brackish water Some rivers generate brackish water by having their river mouth in the ocean. The chemical composition of the water has a large impact on the ecology of that water for both plants and animals and it also affects the uses that may be made of the river water.
Hydraulic action loosens and dislodges the rock. First, the weight of the empty plastic bag is recorded. More detail on these fieldwork techniques can be found at the Royal Geographical Society. A good questionnaire will contain both closed and open-ended questions, so as to ask for the opinions of the participants, while also making the questions relevant and precise.
The general pattern is that the first order streams contain particulate matter decaying leaves from the surrounding forests which is processed there by shredders like Plecoptera larvae.
Yield is usually expressed as kilograms per square kilometre per year. Also, you may be asked to interpret data which is a major component of this paper.
Channel efficiency measured by hydraulic radius: The distance between each section is measured using a tape measure, and the gradient is calculated. The wetted width is the channel width at water level, while bankful width refers to the distance from bank to bank.
Open-ended questions allow the participants to formulate their own response.
Closed-ended questions give a set possibility of answers, and participants usually tick their responses. The higher the hydraulic radius, the more efficiently the river transports its load Gradient slope: Types of sampling There are three main types of sampling: Classify different types of land use eg.
You are not going to get a pre-written paper that you may get in trouble for. However, results may not be representative of the overall trend. Mean velocity can be approximated through the use of the Law of the Wall.
The coarse sediments, graveland sandgenerated and moved by rivers are extensively used in construction. In mountainous torrential zones this can be seen as erosion channels through hard rocks and the creation of sands and gravels from the destruction of larger rocks. Data collection Often you will be asked to describe what methods have been used to collect certain data.Geography Coursework on Rivers.
Rivers can be a little tricky and getting the coursework done properly is more than trying. Whenever you have one of our professional writers take over, you can be assured that your grade will be great.
Paper 4: Alternative to coursework Except for Papers 1 (theory) and 2 (map skills), you may also be required to sit for Paper 4. This page summarises the main skills that you will need to learn to triumph in the exam hall.
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A* full marks GCSE geography coursework (rivers) 1. Page 1 of 59 An investigation into how physical channel characteristics change throughout the course of the River Holford Name: Nishay Patel Candidate Number: Centre Number: Tee Time Reservations. Public Tee Times may be made up to 14 days in advance for a maximum of 4 players.
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