How does human activity in watersheds affect the water quality of lakes? Water is a vital resource that sustains all living things. In Michigan‚ people value this abundant resource and are attractive to the thousands of inland lakes which provide aesthetic‚ as well as recreational opportunities throughout the year. The health of our lakes is directly impacted by the amount of recreational use they receive‚ shoreline development‚ and water quality. Water quality covers many aspects
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Examination of Lake Life Bio 181 Section 001k Abstract The goal of the lab was to determine the health of the aquatic community of Lake Wheeler. Different sediment samples were taken to be tested and observed in many ways. The water temperature‚ dissolved oxygen‚ and water clarity were also tested with different tools. The health of Lake Wheeler was tested through coliform samples that were taken to see if it is safe for humans. The whole experiment was a unique and enjoyable experiment. Introduction
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I. INTRODUCTION OF THE LIFESTRAW WATER PURIFIER A. Product benefits for the consumers (IRIN‚ 2008; Frandsen‚ 2013) 1. The product can filter at least 264 gallons of water 2. Reduce water turbidity with 0.2 micros 3. Remove 99.9% waterborne bacteria 4. Remove 99.9% protozoan cysts 5. Remove 98.7% waterborne viruses 6. Easy to carry and use B. Production cost is $4 per unit (IRIN 2008) C. Product targeting consumers 1. The primary targeting group is poor to high middle class people who live
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Chesapeake Bay The Chesapeake Bay is murky. It is polluted by chemicals and litter pollution. As the community that lives in the watershed‚ we must clean up the pollution and to stand up to the pollution and making it stop. The bays water quality has deteriorated and dropped significantly because of the pollution. Special species have disappeared because of all of the pollution. In my opinion‚ the Bay’s water quality would improve if everyone participated in a water clean-up and prevented future
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Tutorial 5&6: 1. A trickling filter has a diameter of 20 m and a depth of 2.5 m. It is operated with a direct recirculation ratio of 1.0‚ and the influent sewage flow rate is 3 ML/d. Influent BOD to the primary tank is 200 mg/L‚ and the BOD removal efficiency in that tank is 35 percent. Compute the organic load on the trickling filter. 2. A grit of specific gravity 2.8 flows into a grit chamber‚ 1.5-m wide‚ 10.5-m long and 2.5-m deep. The flow-rate of wastewater into the chamber is 2 m3/s.
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The Chesapeake Bay watershed is considered to be the largest estuary in the United States as it covers six states and the “entire District of Columbia including Virginia‚ Maryland‚ the‚ Delaware‚ Pennsylvania‚ West Virginia‚ and New York. An estuary is defined as bodies of water where fresh and salty seawater mix” (USDA). The Chesapeake Bay measures to be about 64‚000 square miles in length and is considered home to five major rivers in the world. This includes the James‚ York‚ Potomac‚ Susquehanna
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located between the shoreline and the continental shelf. Both salinity and temperature mostly stay the same. b. In which zone are turbidity currents found? What are these currents‚ how do they flow‚ and what causes them? Answer: Turbidity currents can be found in submarine canyons‚ continental slopes and in zones where no seismic stability is found. Turbidity currents are containing particles that make water denser and cloudy/turbid/dull. Earthquakes cause them for example‚ which causes sediments
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Based on the figure above‚ it is clearly showed that the trend line was gradually increased before it dropped after achieved at one maximum point. This maximum point‚ pH 6 was the optimum pH for the turbidity removal for this water sample. Note that the final pH of treated water were dropped slightly from its initial pH. For the optimum pH‚ the pH was dropped from pH 6.50 to 4.11 which caused the water to become acidic. The pH were dropped because when the alum dissolved in water‚ aluminium‚ sulphate
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EFFECTS OF ROTATION AND SLUDGE ADDITION ON ROTATING SEDIMENTATION PERFORMANCE IN REMOVING TURBIDITY PENGARUH PUTARAN DAN PENAMBAHAN LUMPUR PADA PENGENDAP BERPUTAR DALAM PENYISIHAN KEKERUHAN Nufikha Indriani1 and James Nobelia I.2 Environmental Engineering Study Program Faculty of Civil and Environmental Engineering Institut Teknologi Bandung Jl Ganesha 10 Bandung 40132 1 nufikha.indriani@yahoo.com‚ 2jnobelia@yahoo.com Abstract : One of alternatives to reduce cost of water treatment process
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Introduction Purpose: The purpose of the study was to determine the quality of the Ottawa River and identifying any human activities that may affect water quality by sampling for benthic invertebrates‚ measuring the water temperature‚ testing for pH‚ turbidity‚ dissolved oxygen‚ examining the odour‚ colour‚ and appearance of the water‚ the amount of grasses‚ shrubs‚ trees‚ and known uses of the waterway. Description: Various human activities that may affect water quality include municipal wastewater
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