What is Stormwater Pollution? When it rains‚ water flows from your roof‚ yard‚ and street into the gutter and down the drain. The stormwater drain carries this water into Lake Macquarie‚ wetlands‚ lagoons and the ocean along with all the sediment‚ rubbish‚ grass clippings‚ pet faeces‚ chemicals and fertiliser it collects along the way. The result is stormwater pollution. Last Modified: 20-AUG-2009 What impact is stormwater pollution having on Lake Macquarie? Volumes of stormwater in urban areas
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The Alps are the youngest and highest mountain system in Europe. They stretch across the western and southern part of the continent in a broad arc. The mountain range startsnear the Mediterranean Seaon the border between France and Italy. Then it curves north- and eastward through northern Italy‚ Switzerland Liechtenstein‚ southern Germany‚ Austria and Slovenia. The Alps are about 1‚000 km long‚ the broadest section over 260 km wide. The highest peak‚ Mont Blanc‚ situated on the border between
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Results: Leaching: The blue particles in the copper ore which is copper was dissolved in the sulphuric acid and the solution turned into a blue colour. There was also sediment that was floating around in the solution. Solid-liquid separation: Sedimentation took place and after leaving the beaker for a while‚ the sediment went from floating around in the beaker to slowly moving towards the bottom of the beaker and settling there. The liquid in the solution remained the blue colour from before
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Courtesy Jon Burger‚ UH and Chevron Courtesy Jon Burger‚ UH and Chevron Courtesy Jon Burger‚ UH and Chevron Courtesy Jon Burger‚ UH and Chevron How is porosity formed? • Sediment grains are transported by water or air • Ensembles of packed sediment grains contain porosity • As sediments are compacted into rocks‚ the porosity can persist Engineering Classification of Porosity • Total Porosity VV φ≡ VT • Effective Porosity Connected porosity that allows fluid flow
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Fossils Fossils are the remains of ancient organisms‚ usually animals and plants but there are also minute bacteria and occasionally fungi. They are preserved by natural processes of burial. Most are entombed in sediment i.e. mud‚ silt or sand which with time transforms into a sedimentary rock such as sandstone. Rarely‚ fossils are enclosed in ash erupted from volcanoes‚ resin that oozes from trees and hardens into amber‚ or natural tar seeping from the ground. Normally only the resistant hard
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the dangerous contaminants and they’ve comply to NSF 42 and 61 standards. So‚ to have a clearer image about the performance of this particular system‚ we will detail you every filtration stage. The first stage removes undissolved particulate‚ sand‚ sediment‚ the second one aims the elimination of organic contaminants‚ and the last stage removes inorganic contaminants and prevents bacteria growth. So‚ you can rest assured because the bacteriostatic CuZn filters are specially designed to make sure there’s
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of Fire refers to the: a. circle of violent geologic activity surrounding the Pacific Ocean. 5. A seamount is a: c. large active or inactive volcano that is entirely below the sea surface. 6. Sediments derived from water are classified as hydrogenous sediments. True 7. Sediments derived from land are called ________. Most that make it into the sea are deposited in the ________. b. terrigenous; continental margin 8. A zone with rapid changes in density with depth is called the halocline
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Earth’s four spheres Hydrosphere - dynamic mass of liquid that is always on the move Oceans - the most prominent feature of the hydrosphere 71% of Earth’s surface is covered by ocean which is 97% of Earth’s water Only 3% is fresh water - streams‚ lakes‚ glaciers and underground supplies Water Cycle - constantly recycles water Atmosphere Provides us with the air we breathe Protects us from the sun’s intense heat and radiation Protects us from space Biosphere Includes all life on Earth Interacts and
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general head works are composed of three structural components‚ diversion dam‚ intake and bed load sluice. The functions of the head works are: Diversion of the required project flow from the river into the water conductor system. Control of sediment. Flood handling. Typically a head pond reservoir is formed upstream of the head works. This reservoir may be used to provide daily pondage in support of peaking operation or to provide the control volume necessary for turbine operation in the
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Explain how the changes in abiotic factors during a hydrosere control the changes in species that are present A hyrdrosere is a plant succession which occurs in a fresh water lake. In time an area of open fresh water will dry out forming woodland. During a hydrosere there are many abiotic factors that change‚ which causes different species to inhabit the lake depending on the conditions they need to thrive and live successfully. There are many different stages that occur during a hyrdrosere
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