exchange of water amongst reservoirs - "Reservoirs" constitute the hydrosphere - Reservoirs: oceans‚ lakes‚ rivers‚ glaciers‚ the atmosphere‚ living tissue - Hydrologic cycle is power by energy from the sun - causes: evaporation‚ transpiration‚ precipitation‚ run-off to the sea - Begins with evaporation of water from earth’s surface (especially oceans) - As moist air is lifted‚ it cools and the water
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Memorandum To: Urban Planning Department From: Name Subject: Rise of Temperature in Urcity Date: Introduction Agricultural areas all over the world are feeling the effects of suburb expansion. The cities growth is having an effect on the ability of land‚ water‚ and animals. With city growth will create problems such as climate‚ land‚ and geographical changes (Hillel‚ 1995). Critical Findings The agricultural areas of UrCity are being forced further out into the desert basin due
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GRAVIMETRIC DETERMINATION OF PHOSPHORUS IN FERTILIZER SAMPLES I. Abstract The purpose of this experiment is to determinethe Phophorus content of fertilizer samples using Gravimetric Analysis. It involves dissolution of the fertilizer sample‚ precipitation and heating and cooling of the sample. Pooled standard deviations of the two data sets for % Pwet‚ %Pdry‚ %P2O5 wet and %P2O5 dry were 5.1448‚ 5.1472‚ 11.8436 and 11.8504 respectvely. During the experiment a data rejection for %P and %P2O5 was
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1. Assume that you have 100 years of continuous temperature records from your local weather service office. Discuss some of the difficulties you might have trying to determine whether average temperatures have increased during this period. According to our book‚ it is difficult to measure an average temperature change over a specified period because it is possible that the weather station has moved‚ techniques for measuring temperature can change‚ and with an influx of people in urban areas‚ the
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between 10 miles and 40 miles above the surface that contains the ozone shield. Mixes only slowly; pollutants that enter it remain for long periods of time. Weather: The day-to-day variations in temperature‚ air-pressure‚ wind‚ humidity‚ and precipitation meditated by the atmosphere in a given region. Climate: the result of long-term weather patterns in a region. Meteorology – the scientific study of the atmosphere Convection Currents – (vertical movement of air due to atmospheric heating
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Weather “ Weather is the condition of the climate in a particular place at a particular time.” The weather is all around us‚ all the time. It is an important part of our lives and one that we cannot control. Instead the weather often controls how and where we live‚ what we do‚ what we wear and what we eat. Someone who studies the weather is called a meteorologist. Weather predictions are made by forecasters who you see on television. DIFFERENCE BETWEEN WEATHER AND CLIMATE Weather
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Experiment 3: Stoichiometry of a Precipitation Reaction Abstract: In this experiment the objectives were to try and predict the amount of product that was produced in the precipitation reaction of calcium carbonate by using stoichiometry. Then learn how to figure out the actual yield‚ theoretical yield and percent yield of the experiment. Experiment and Observation: The first step in the experiment was to weigh 1g of CaCl2 +2 H2O‚ then pour it into the 100mL
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Drought in Australia Definition: A drought is a prolonged‚ abnormally dry period when there is not enough water for users’ normal needs. Drought is not simply low rainfall; if it was‚ much of inland Australia would be in almost perpetual drought. Because people use water in so many different ways‚ there is no universal definition of drought. Drought occurs because rains are unreliable and in some years the ITCZ (Inner Tropical Convergence Zone = area of rainfall) may not move so far north.
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vapor and air pressure‚ density of the vapor and air‚ or by the actual mass of the vapor and air. Relative humidity is usually expressed in per cent and abbreviated by φ or RH. Precipitation is when moisture in clouds condenses and become too heavy to stay in the air so they fall to earth as precipitation in the forms of hail‚ snow‚ sleet‚ rain‚ freezing rain. Rain develops when the growing cloud droplets become too heavy and fall to earth. Hail is when a large frozen raindrop which falls
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an average of less than 15mm of rain per annum and sometimes receive no rain. Rainfall is as unpredictable as it is rare. When rain does occur it usually comes in the form of short‚ heavy downpours ‚ which may affect small areas. Very limited precipitation can also occur in the forms of dew or fog. Sudden drops in temperature can cause night dews in parts of the Sahara. Fog sometimes brings limited moisture to narrow coastal areas were cold ocean currents flow offshore. Such fogs occur regularly
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