factors affecting river discharge bbc bitesize

Your learning outcomes are: Be able to describe and explain the physical processes at the plate boundary. Factors that affect the rate of landform change in a river are: Geology - such as hard and soft rocks in the formation of a waterfall. This is called lag time. Solid precipitation, eg snow, will settle . Draw a fully annotated diagram to show the four ways in which a river transports material. Drainage basin discharge = precipitation - evapotranspiration +/- changes in storage . Do some additional research to explain any anomalies e.g. 2.4M subscribers. Physical factors. what is the new pill for lung cancer; what blockchain does coinbase use Alternar menú. A storm hydrograph is a way of displaying how the discharge of a river can change over time in response to a rainfall event. Climate - in the UK this varies with seasons, and affects the. A lowland river left in its natural state bursts its banks every year and floods the surrounding area. They cover a relatively short time period, usually hours or days rather than weeks or months. This all depends on the drainage basin characteristics and what processes are found there. Factors Affecting River Discharge. The discharge of a river changes after some time, contingent upon a couple of variables. Factors Affecting River Discharge. A case study of a sparsely populated area - Himalayan Mountains; A case study of a densely populated area - Greater London ; What is a settlement? Your teacher can provide you with these. Which factors control the amount of discharge in a drainage basin? How does what you have read help to explain the location of fold mountains and ocean trenches? Factors Affecting River Discharge. Human . Lag time - the time taken between peak rainfall and peak discharge. The Challenge of Natural Hazards; Physical Landscapes in the UK; The Living World; The Changing Economic World. In your groups, work collaboratively to create a mini-lesson plan to deliver to the rest of the class. The weather affects discharge so much that there's a special graph that we can draw called a hydrograph which shows precipitation and discharge on the same graph and . There is a delay because it takes time for the water to find its way to the river. • The BBC Bitesize website here also has an Edexcel-specific section that covers all of the main physical processes and types of management that affect rivers. factors affecting river discharge bbc bitesize. factors affecting river discharge bbc bitesizebest restaurants plymouth, ma 31 March 2022 / ethical conviction examples / in how old is olaf from grand designs? Home MYP > > > > IGCSE > > IBDP > > > > > > > Geography and ToK Theory . Causes of flooding Prolonged rainfall - if it. Gremillion et al. Explain the discharge of contrasting river regimes. A series of reservoirs have been built to provide water for the industrial cities to the east; e.g. The most influential factor is the weather. How physical and human factors affect the flood risk - precipitation, geology, relief and land use. Learning goals Knowledge To know what a flood hydrograph is Understanding To understand the factors affecting hydrograph shape Skills Use key words to describe a flood The lag time can be short or long depending on different factors . BBC Bitesize. United Nations. There are lots of GCSE geography revision quizzes on the internet. factors affecting river discharge bbc bitesize lunatic cultist not spawning   /   presidential candidates -- 2022   /   apr 1,2022 Kommentarer lukket til factors affecting river discharge bbc bitesize Solid precipitation, eg snow, will settle . You are going to write a report on the weather in Jakarta. To prevent this from happening, the meandering rivers have been straightened over the years, their banks reinforced to stop erosion, and the submerged plants cut back or removed. Draw a second scattergraph - Number of deaths . Peak rainfall - maximum amount of rainfall (millimetres). Factors affecting river discharge. Because the cross section is measured in metres 2 and the velocity is measured in metres . Note how the neck is cut off and the course of the river is changed.. Alaska is one of the most sparsely populated places on Earth. The Upper Course: is characterised by low discharge but high velocity. Learn about and revise plant organisation with this BBC Bitesize Combined Science AQA Synergy study guide. Suggest improvements and things we could do differently in order to make the report more accurate or to give a fuller set of results. Much of the land is either open moorland or rough grazing, where the main land use is sheep farming. This helps us to understand discharge patterns of a particular drainage basin and helps to predict flooding and plan flood prevention measures. Encyclopaedia of the Earth: Hydrological cycle 2 Key idea 1.3. Lesson 6 factors affecting discharge (hydrographs) 1. A steep mountain is likely to have lots of surface run off from rainfall. An example of a river valley in the UK to identify its major landforms of erosion and deposition. Basin Shape and Size. This is the total volume of water flowing through a channel at any given point and is measured in cubic metres per second (cumecs). These can be used to show annual discharge patterns of flow in relation to climate. water flows down drains . Prevailing winds. Physical characteristics Basin size . Falling limb - shows the return of discharge to normal/base flow on a hydrograph. The discharge from a drainage basin depends on precipitation, evapotranspiration and storage factors. Mini-lesson planning task. Factors affecting climate. The use of hydrographs to show the relationship between precipitation and discharge. At least one story which tells an actual person/family's experiences. Very dry, wet and frozen soil will not let any water through creating lots of surface run off. The normal (base). Rivers in areas of the UK with wetter climates have a higher discharge as there is more water entering the channel. What factors would affect accuracy or the results (think about the equipment, how you used it, our sampling techniques). Understand the link between the physical processes and the creation of earthquakes and/or volcanoes. 1 The discharge of a river is just the volume of water passing a certain point every second, and is calculated by multiplying the cross sectional area of the river by its velocity. There are many factors which can cause a flood - often the natural landscape can influence flooding and also human interactions can increase the risk. In the upper course of the river, this leads to vertical erosion, forming v-shaped valleys. Consequences of the migration - you could divide these into Social, Economic, Environmental, Political. The overall discharge from the drainage basin depends on the relationship between preciptiation and storage factors and this can be analyzed by the following formula: Drainage . / by / ethical conviction examples / in how old is olaf from grand designs? The rivers in Hong Kong's New Territories region are not unusual in this regard. is alogia a positive symptom of schizophrenia . Explain how precipitation, temperature, land use, water abstraction and dams can affect the shape of the . Watch the river video - understand how the river erodes laterally - forms the floodplain - creates an ox bow lake - look at the inside and outside bends of the meander. You are now going to investigate if this seems to be part of a pattern: Use the World Bank website to add GDP per capita data to your spreadsheet (make sure you know what GDP per capita is and how it is calculated!). / by Basin Shape and Size. How will the kind of . How are countries classified? Physical factors that affect population density include water supply, climate, relief (shape of the land), vegetation, soils and availability of natural resources and energy. Assessment This is the rubric that will be used to assess your report. 1. A larger basin with more tributaries and upland areas bordering it will force more water down to the river and so increase discharge. • This also provides a useful introduction to river landscapes (link) with a case-study. The most influential factor is climate. Surprisingly, rivers are a significant source of greenhouse gases globally. Base flow - the normal discharge of the river. The discharge of a river changes over time depending on a few factors. A flatter, smaller area of ground with fewer waterways will reduce the amount of water reaching the river and so discharge will be less. Mountainous areas make it difficult to construct buildings and roads. The normal (base). Plate tectonics Mini-lesson planning task. Trees intercept water, so more trees less flooding. You also need to work on your exam technique so make sure you have a go at plenty of exam questions. Written analysis . By | March 31, 2022 . It will help build your memory. River Discharge and Factors Affecting River Discharge . How are countries classified? A larger basin with more tributaries and upland areas bordering it will force more water down to the river and so increase discharge. Rising limb - shows the increase in discharge on a hydrograph. Alaska Case Study. 9. Cow Green reservoir on the R. Tees itself. BBC Bitesize weathering: Weathering. Type of Precipitation . Info. Now is your chance to show off you new knowledge on temperatures and rainfall by putting it all together and applying it to our home town! After heavy rainfall the discharge of the river will be higher because there's more water entering the river. River discharge is the volume of water passing through a measuring point or gauging station in a river at a given time. Look out for the river cliff on the outside bend,the slip off slope on the inside bend. YouTube. River discharge is the volume of water flowing through a river channel. A case study of a sparsely populated area - Himalayan Mountains; A case study of a densely populated area - Greater London ; What is a settlement? There is a delay because it takes time for the water to find its way to the river. Lag time - the time taken between peak rainfall and peak discharge. Peakdischarge - maximum amount of water held in the channel. Over the short term, a flood or storm hydrograph (figure 1.) factors affecting river discharge bbc bitesize lunatic cultist not spawning &nbsp / &nbsp presidential candidates -- 2022 &nbsp / &nbsp apr 1,2022 Kommentarer lukket til factors affecting river discharge bbc bitesize Once raised the Thames Barrier stops water movement along the river. Basically, a hydrograph shows you the ways in which a river is affected by a storm. What factors affect population density and distribution? Patterns of settlement; AQA Geography. Peak rainfall - maximum amount of rainfall (millimetres). factors affecting river discharge bbc bitesize. A larger basin with more tributaries and upland areas bordering it will force more water down to the river and so increase discharge. Human factors that affect population density include social, political and economic factors. High Force waterfall: is one of the main features on the River Tees and is one of . Rates of erosion increase with discharge as the river has more energy to erode the river bed and banks. Permeable and porous rock lets water infiltrate through; Impermeable rock will result in lots of surface run off. The Challenge of Natural Hazards; Physical Landscapes in the UK; The Living World; The Changing Economic World. As you can see in the graph below, the peak rainfall is the time of highest . Hydrograph and river regimes Students will be assessed on their ability to: Describe and label the component s of a hydrograph. Different management strategies can be used to protect river landscapes from the effects of flooding. Rising. Hydrographs illustrate river discharge and rainfall over time. Altitude and climate. The discharge from a drainage basin depends on precipitation, evapotranspiration and storage factors. The Rohingya Crisis in 90 Seconds. What other factors might affect the number of deaths? Fluvial processes involved in river valley and river channel formation: erosion (vertical and lateral), weathering and mass movement, transportation and deposition and factors affecting these processes (climate, slope, geology, altitude, aspect). It is measured in cubic metres per second . The human causes of the flood include the poorly built levees, the development of unsuitable areas and large amounts of channelisation 3. 2020.09.09. 2. Storm hydrographs' shape depends on physical features of drainage basins (size, shape, drainage density, rock type, soil, relief and vegetation) as well as human factors (land use and vegetation) (P: the role of planners in managing land use) Whereas river regimes are usually graphed over the period of a year, storm . The southern half experiences relatively mild conditions, whereas a tundra environment overlaying permafrost is found to the north. Learn about and revise plant organisation with this BBC Bitesize Combined Science AQA Synergy study guide. In your . The costs . What . What factors affect population density and distribution? Type of Precipitation . 1. It's estimated that rivers and streams . Use the student book and/or the information on Greenfield and BBC Bitesize (links below) to write an extended paragraph explaining the patterns you identified from your own map. How do rivers transport material? One might be how rich the country or area is and how well prepared people are. ben 10: omniverse rook voice actor Seneca Learning. What . This influences the lag time - a large drainage basin will mean that water takes a long time to travel through tributaries or the ground to reach the channel. Falling. 8. The peak discharge is the time when the river reaches its highest flow. Storm hydrographs allow . The demands of our modern-day society for hydro-electric power, irrigation, fishing, boating etc, means that river . For example: Internet Geography. factors affecting river discharge bbc bitesize. Hawaii. Conversely, a small drainage basin . The Rohingya: Myanmar to Bangladesh. can be used to show short term variations in discharge and rainfall. Factors affecting storm hydrographs (human) in urban areas- much of the soil is covered with man- made impermeable materials like concrete water can't infiltrate into the soil, which increases surface runoff, so water flows more quickly into the river making lag time short and increases peak discharge man-made drainage systems affect the hydrograph in a similar way. This is called lag time. You should include the following: An introduction which includes . What is a storm hydrograph BBC Bitesize? reese towpower 37042 specs; what are good fantasy basketball team names? The river meanders laterally across the lower course and . • To find out more about flooding and how rivers are managed, have a look at this link 2 . In . "We LIVE in a Greenhouse" says NASA. 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