Thursday, February 21, 2019
The Ozone Behavior and Variability of Thickness
The Ozone Behavior and Variability of ThicknessIntroductionThe ozone O3has favorable and bad effects on the Earth. For illustration the stratosphere, where most of the ozone is located, absorbs harmful UV beams. Because the ozone plays such(prenominal) an of importee function on human life and the ecosystem, it is of import to invariably endeavor to larn more about the ozone and record and analyze informations. Harmonizing to Shaw, while both O and ozone together absorb 95 to 99.9 % of the insolates UV radioactivity, merely ozone efficaciously absorbs the most energetic UV visible radiation, known as UV-C and UV-B, which causes biological harm ( Shaw, 2014, p. 3 ) . When UVC is imprisoned by free O groups in the stratosphere, they break apart into 2 O atoms, and so they combine with O2molecules to organize stratospheric ozone Oxygen3, shown by the undermentioned reactionsOxygen2+hvi O + OO + O2+ M i O3+ Mwherehvis ultraviolet radiation and M is an inert molecule that enhances the reaction of O with O2. The ozone is created, destroyed and created at a time more in rhythms, of course. While there are legion reactions of how the ozone is destroyed of course, anthropogenetic substances/processes are increa whistle the bareness the ozone. Examples of anthropogenetic substances/processes would beCFCs such as infrigidation, air conditioning and aerosol propellents.Halons man-made chemicals that can be used to snuff out fires.Burning of fossil fuels.If the ozone continues to be destroyed immediate than the natural procedure of macrocosm created, less and less of the harmful UV visible radiation allow be absorbed in the stratosphere and will finally do it to the Earths approach. The UV radiation to the surface would ensue in effects to the worlds and the ecosystems such as the addition of throw together malignant neoplastic disease instances, development of cataracts, decrease in photosynthetic productiveness, an addition in vaporization rates and lessen ing in precipitation. To nurture the ozones hereafter from anthropogenetic substances the Montreal Protocol, adopted in 1987, with extra agniseings, necessitate states to diminish the sum of atmospheric concentrations of CFCs. With these understandings, concentrations chlorine began to diminish in 1995 ( Sahw, 2014, p. 6 ) .Analyzing the information preserve about the ozone ponderousness provides grounds on whether the ozone is down or non, penetration on the effects of anthropogenetic substance/processes and assist in the formation of theories, such as the ozone repairing itself. This assignment will try a general apprehension of the aim of longitudinal exercises -60/-55, -40/-35, -10/-5, 15-20, 30/35 and 50/55 for the centenarian ages of 1997 2005.MATERIALS AND METHODSData was provided for this assignment by professor Shaw. Harmonizing to the hand-out provided the information was collected by the Total Ozone Mapping Spectrometer ( TOMS ) for the experient ages of 199 7 2005. The TOMS instrument provides scientists with a planetary position of the stratospheric ozone bed in alert clip with measurings for the full universe every 24 hours ( Shaw, 2014, p. 6-7 ) . The provided information was manipulated in an excel spreadsheet to concentrate on latitudinal sights -60/-55, -40/-35, -10/-5, 15/20, 30/35, 50/55. The given informations was so manipulated and graphs created utilizing excel to be better represented and more easy understood. Each latitudinal present of appointment was individually graphed oer the eight yr span to compare by the months of January, April, July and October. Then the yearly cogitate for each latitudinal flock of involvement was calculated ( non including the months with nobody readings ) and put into a graph demoing the tendency of the entire ozone onerousness all oer the eight twelvemonth span. More specific inside informations may be found in the lab instructions titledThe Chemistry of the Ozone Layer( Shaw, 2014 , p. 8 ) . Additionally, a press release by Mindy Shaw and the text edition,Global Environment Water, Air and Geochemical Cycles, were operational with information sing the behaviour of the stratigraphic ozone. After reading the stuff sing the stratigraphic ozone the graphs were interpreted and hypothesis formed.Consequence underframe 1 The yearly imagine ozone heaviness recorded by the TOMS for the latitudinal sets -60/-55, -40/-35, -10/-5, 15-20, 30/35, 50-55 for the old ages of 1997 2005. The ozone weightiness is metrical in dobson Units ( DU ) . The one-year mean calculated does non intromit the aught ( 0 ) records. view 2 The periodic tendency of the ozone thickness recorded by the TOMS for the latitudinal set -60/-55 for the old ages 1997 2005.Figure 3 The periodic tendency of the ozone thickness recorded by the TOMS for the latitudinal set -40/-35 for the old ages 1997 2005.Figure 4 The monthly tendency of the ozone thickness recorded by the TOMS for the latitudin al set -10/-5 for the old ages 1997 2005.Figure 5 The monthly tendency of the ozone thickness recorded by the TOMS for the latitudinal set 15/20 for the old ages 1997 2005.Figure 6 The monthly tendency of the ozone thickness recorded by the TOMS for the latitudinal set 30/35 for the old ages 1997 2005.Figure 7 The monthly tendency of the ozone thickness recorded by the TOMS for the latitudinal set 50/55 for the old ages 1997 2005.DiscussionHarmonizing the Figures 2 7, the variableness in the tendencies of the latitudinal sets gets larger the further off from the equator they are. wickedness versa the closer to the equator the less variableness there is, as seen in Figures 4 and 5. This correlativity is payable to the Earths joust. As the Earth jousts towards the cheerfulness the Earth receives more sunlight and consequences in longer yearss. This addition in sunlight additions the sum of high-energy solar atoms striking the ambiance which consequences in an addition in coeva ls of ozone.The information besides shows a tendency of a thicker ozone bed near the poles during the spring averagealizes for the single poles respectfully ( Figure 2 and Figure 7 ) . The North rod spring flavour begins around March while the South Pole spring season begins around September. A upper limit of thickness is shown for the North Pole in Figure 7 and South Pole in Figure 2. This addition in thickness during the spring season could perchance be ascribable to the accretion of ozone transported from the Torrid Zones during the autumn and winter seasons.The twelvemonth to twelvemonth informations shows that surprisingly the ozone thickness is bit by bit increasing everywhere clip ( Figure 1 ) . In fact, out of the latitudinal sets of involvement, the latitudinal set -10/-5 was the lone one to diminish in thickness everywhere the eight twelvemonth span. This information entirely ( including merely the old ages of involvement from 1997 2005 ) does non back up the theor y that the ozone is being depleted quicker than it is being of course created nevertheless, the correlativity of the alteration should be noted as due to the lessening of anthropogenetic substance by the Montreal Protocol, adopted in 1987, and otherwise extra understandings that decreased the atmospheric concentrations of CFCs. This proves an opposite relationship that a lessening in anthropogenetic substance consequences in an addition in ozone thickness. stopping pointBecause the ozone plays such an of import function to human life and the ecosystem, it is of import to understand the behaviour and variableness of its thickness. Knowing the ozones behaviour allows us to comfort our hereafter and cognize to diminish the usage of anthropogenetic substances/processes. By analysing informations over old ages, scientist can foretell whether or non the ozone is being depleted express than it is of course being created or if it is repairing itself.Harmonizing to the informations the o zone fluctuates in thickness globally due to latitudinal place, seasonal alterations and the increase/decrease of anthropogenetic substances. While latitudinal place and seasons is a natural procedures in assisting with creative activity and devastation rhythm of the ozone, the sum anthropogenetic substances is something that can be controlled. The information proves that a lessening in anthropogenetic substance consequences in an addition in ozone thickness.AppendixAppendix 1 The monthly average and one-year mean ozone thickness recorded by the TOMS for the latitudinal set -60/-55 for the old ages 1997 2005. The ozone thickness is measured in dobson fly Units ( DU ) . The one-year mean calculated does non complicate the nothing ( 0 ) records.Monthly reasonable and yearly Mean Ozone Thickness For the latitudinal pot -60 / -55Thickness measured in dobson Units ( DU )YearJanFebMarAprMayJunJulAugSepOctNovDecAnnual Mean1997309.5297.8292.4294.9292.9297.2301.7314.6323.6326.8323309.33 071998304.5295.4289.1290.2299.3318.7323.1317.9316.3334.9332310.93111999301.5292.8288.8290.6299.9309.8316.3314325.5333.6329.8306.53092000297.2293.9291.6291.4291.3295.2296.5295.7321.7344.5337.3322.13072001307.8297.9295.1296305.6315.8315.4310321328.8330309.23112002301.6292294.7291.8299.5313.5327.5338.8351.5367.9343325.23212003313.3304.2295.2293.9297299.1303.6299315.3344.1342.2321.13112004307.3299.6295.7302.1301.1308.2310.6321.4334.9344329.4313.73142005308.8295.1287.4287.9290.5299.6303317.4329.5342.9338.60309Appendix 2 The monthly norm and one-year mean ozone thickness recorded by the TOMS for the latitudinal set -40/-35 for the old ages 1997 2005. The ozone thickness is measured in Dobson Units ( DU ) . The one-year mean calculated does non include the nothing ( 0 ) records.Monthly mean(a) and Annual Mean Ozone Thickness For the Latitudinal Band -40 / -35Thickness measured in Dobson Units ( DU )YearJanFebMarAprMayJunJulAugSepOctNovDecAnnual Mean1997270.3269.2267.3266.2271.6280.5290.1 305.6319317.3302.9285.82871998277.4272.8271.8273.8284.3300.8316.3323335.8329.9312.8295.63001999271.5268.9267.8268.3272.9286302.8318.8327.4327311.6286.62922000274.5268.7265.2268277.9296.1312.2330.2336.4331.1309.6286.62962001278.9271268.2269.9279.6301.1319.3326335.4332.1317.8297.63002002284.3279.8274.5276.4282.5296311.3326.6330330.8311.3297.73002003284.3279.5273.9272.6276.4296314.8331.4339.5334.8316.6292.93012004280.4273.8270.5263.5270.8279.9294.5312324319.6305.7285.72902005275.7272.1271271.2281.7303.8319.7335.2340.7335.6309.80302Appendix 3 The monthly norm and one-year mean ozone thickness recorded by the TOMS for the latitudinal set -10/-5 for the old ages 1997 2005. The ozone thickness is measured in Dobson Units ( DU ) . The one-year mean calculated does non include the nothing ( 0 ) records.Monthly just and Annual Mean Ozone Thickness For the Latitudinal Band -10 / -5Thickness measured in Dobson Units ( DU )YearJanFebMarAprMayJunJulAugSepOctNovDecAnnual Mean1997254257260.5260.3 255.4256.8258.7259.5265.5266.8259.7247.92591998242.2245.9248.7249.1249.6250.1256.6264.9272.9273.7269.4267.32581999260.9262260.6262.2262.1261.3264.5267.5273.1272.7265.3258.22642000257.7258.4260.7261.1259.7258.5258.2263.6269264.2258.5253.52602001253.1249.5251.8252.6248.8247.5250.8257.4269.5273.3272.8270.12582002269271.4269.6267.2261.5258.9258.5263.9268.3268.8264254.62652003252.1253.5255.7255.4254.1255.9257.4262.9268.9264.3260258.52582004254258.9261262.7261.4260.6264.5267.6273.3267.3261.9256.62622005253.2253.2252.4251.6251.1252.7256259.8264.2264.5257.80256Appendix 4 The monthly norm and one-year mean ozone thickness recorded by the TOMS for the latitudinal set 15/20 for the old ages 1997 2005. The ozone thickness is measured in Dobson Units ( DU ) . The one-year mean calculated does non include the nothing ( 0 ) records.Monthly Average and Annual Mean Ozone Thickness For the Latitudinal Band 15 / 20Thickness measured in Dobson Units ( DU )YearJanFebMarAprMayJunJulAugSepOctNovDecAnnual Mean1997236.5239.8253.2267.7271.9273.2276.8272.7268.1263254247.72601998243.8250.5262.4276.3281281.6282.3280.5276.1265249.4244.22661999240243255.1272.2280.9282.8282.2281277.9269.3259.7254.72672000256.3262.9270.8283.4285.7283.6281.5280.2275.7264253.9247.82702001251.1253.4267.9283.8285.3283.6282.9281.3274.7264.2252.3241.42682002241.4248.6259.1275.3282.5284.5282278.9273.4265.2256.9245.42662003244252.4270.2284.1289.8289.4287.2284.4277.8263248.3241.82692004236.7242.5257.4271.1280.6286285.3281.9277266.8258.9253.42662005254.9260.2268.2277.4283279.4279.3276.1272.9263.1248.80269Appendix 5 The monthly norm and one-year mean ozone thickness recorded by the TOMS for the latitudinal set 30/35 for the old ages 1997 2005. The ozone thickness is measured in Dobson Units ( DU ) . The one-year mean calculated does non include the nothing ( 0 ) records.Monthly Average and Annual Mean Ozone Thickness For the Latitudinal Band 30 / 35Thickness measured in Dobson Units ( DU )YearJanFebMarAprMayJunJulAugS epOctNovDecAnnual Mean1997279.5286.7300.3306.9303299.4291.6283.8279.2278.7277282.52891998291.7303.7319.4325.6324.6310.3297.6293.3283.6272.7262.1263.32961999270.1281290.8305.2311303.2297.7293284.4274.7274.1277.32892000292.5297.2310.3315311.4301.1296.4291.9282.5270262.3270.42922001285.8292.8309.3320.9317.6304.2297.7292.9280.6272.9266.9266.92922002270.9277.1296.9314.6316.1309.3299.8292.8283.6274.8271.52812912003290.5309.1317.9323.4321.8311.3300.7294.9283.9271.3264267.42962004273.1283.1295312.7316.9308.5301.6293.2283.8276.5269.7279.22912005297.6308.9314.2320.3320.2308.1296.9290.9280.8268261.20297Table 6 The monthly norm and one-year mean ozone thickness recorded by the TOMS for the latitudinal set 50/55 for the old ages 1997 2005. The ozone thickness is measured in Dobson Units ( DU ) . The one-year mean calculated does non include the nothing ( 0 ) records.Monthly Average and Annual Mean Ozone Thickness For the Latitudinal Band 50 / 55Thickness measured in Dobson Units ( DU )YearJanFe bMarAprMayJunJulAugSepOctNovDecAnnual Mean1997364.4383.4384.9371.4359.2348.3330312302.7298.7308.83423421998380397.9407.4401.2381.4364.2339.6320.6308.6304.6329.5342.13561999365.3387.8413.6391372.9354.7330.8314.9305.6306.7312.2341.43502000359.8383.6387377369.8348.1327.4309301.2304.5323.2362.13462001377.5405.3407.3395.9373.6356.3332.4315.6307.5310309.5343.23532002361371.6397.2389375.9356.2331.3316.2303.7308.4318.93553492003378398.4409.5401.8381.2357.7340.1322307301.4318.3334.83542004367.2386.1399.5393.7373.6354.3333.4320.4304.7297304.8329.93472005350.2374.5390.5382.6370.2351.7332.7315.3301.7296.6
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