Essay On Ozone Layer

Dec 08, 2023

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Essay On Ozone Layer

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Erosion of Ozone Layer

Erosion of Ozone Layer. Erosion of Ozone layer. Position of ozone layer : Ozone layer is mainly locate at height 20:40Km above sea level in the lower part of stratosphere layer . . Why ?.

667 views • 31 slides

Protecting the Ozone Layer

Protecting the Ozone Layer. Stratospheric Ozone Depletion. Ground-level (tropospheric) ozone: harmful pollutant Stratospheric ozone: shields the Earth surface from UV rays. Stratospheric Ozone Depletion. F. Sherwood Rowland and Mario J Molina (1974) CFCs break down in the upper atmosphere

500 views • 18 slides

THE NATURAL OZONE LAYER

Based on ozonesonde observations in the 1970s. Ozone concentrations in units of 10 12 molecules cm -3. THE NATURAL OZONE LAYER. ATMOSPHERIC ATTENUATION OF SOLAR RADIATION. Solar UV radiation reaching the top of the atmosphere is absorbed by ozone.

756 views • 52 slides

Ozone Layer Depletion

Ozone Layer Depletion. Mathew Mokhtarzadeh, Yusei Koizumi , Alex Kim, Justin Kim. What is Ozone ?. Ozone is a molecule made of 3 atoms of oxygen Ozone is a bluish gas Ozone helps absorbs harmful UV radiation from the sun. What is the O zone Layer ?.

2.06k views • 13 slides

The Ozone Layer

The Ozone Layer. Importance. Ozone, O 3 , shields the earth’s surface from biologically harmful UV-B radiation, which damages the genetic information in the DNA of all living cells.

498 views • 13 slides

The ozone layer

The ozone layer. The Ozone Layer.

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The Ozone Layer

The Ozone Layer. Today’s Lesson. The Ozone Layer Gases Activity. Ozone. Ozone is quite an interesting thing, it’s basically three Oxygen atoms bonded together. It’s main use is to absorb UV rays found in outer space to make life habitable.

227 views • 9 slides

5-2. ozone layer

5-2. ozone layer. 5-1-1. Formation of Ozone Layer Ozone layer: A part of stratosphere (ca. 20km high) in which ozone concentration is relatively high The formation reactions O 2 + ℎν uv (<240nm) → 2O (R1) O + O 2 + M ↔ O 3 + M (R2) O 3 + ℎν uv → O 2 + O (R3)  used in (R2) again

561 views • 9 slides

The Ozone Layer

By: Desiree Collins. The Ozone Layer. History of the Ozone Discovery. Dramatic loss of ozone in the lower stratosphere over Antarctica was first noticed in the 1970s by a research group from the British Antarctic Survey were monitoring the atmosphere above Antarctica.

341 views • 12 slides

Ozone Layer

Ozone Layer. CFCs- Chlorofluorocarbons. They are used in the manufacture of aerosol sprays, blowing agents for foams and packing materials, as solvents, and as refrigerants. .

310 views • 9 slides

Ozone Layer Depletion

Ozone Layer Depletion. Ms. Pride Regents Biology Human Impact Presentation. Ozone and the Ozone Layer. Ozone (O 3 ) : The ozone layer is a layer of the upper atmosphere that blocks out harmful UV rays. Between 20 and 50 kilometers above the Earth’s surface

2.13k views • 10 slides

Ozone Layer

Ozone Layer. O 3 Absorbs the sun’s UV radiation Stratosphere 20-50km above the Earth’s surface. Ultraviolet Radiation. Good: Causes Vitamin D production in humans Bad: Causes skin cancer, cataracts, and mutations, blindness, sunburn. Severe crop damage

325 views • 7 slides

Damaging the Ozone Layer

Damaging the Ozone Layer. Composition of Air. Structure of Present-Day Ozone Layer. 90% of O 3 molecules reside in stratosphere. Ozone Formation, Noncatalytic Destruction, and the Chapman Cycle. Catalytic Processes of Ozone Destruction:. Natural Contributors in the

547 views • 33 slides

Saving the Ozone Layer

Saving the Ozone Layer. Science and the Evolution of Precautionary Action. Agenda Setting. CFCs: the “miracle compound” Non-toxic, chemically inert, many uses Few makers (DuPont is #1) Stratospheric ozone O 3 absorbs UV-radiation, which causes skin cancer, cataracts, phytoplankton death…

220 views • 7 slides

Ozone Layer Depletion

Ozone Layer Depletion. By jyoti awana. Contents. What is Ozone layer Ozone destruction Causes of Ozone depletion Steps in ozone depletion Effects of UV radiations on How to stop ozone depletion Initiatives taken to protect Ozone depletion conclusion. The earths atmosphere.

9.3k views • 23 slides

Ozone Layer Depletion

Ozone Layer Depletion. Ozone in the Stratosphere. 平流層的臭氧 (O 3 ) 阻檔有害的紫外線 (UV) 保護地球上的生物是好的臭氧對流層 ( 地面附近 ) 的臭氧是光化學煙霧的重要成份是壞的臭氧. Source: http://www.esrl.noaa.gov/csd/assessments/ozone/2006/chapters/twentyquestions.pdf. 臭氧柱 (ozone column) 的濃度單位 Dobson Unit (D.U.).

613 views • 30 slides

Ozone Layer Depletion

Ozone Layer Depletion. By: Lauryn and Rachel Money. What is the Ozone layer?!. The ozone layer is an atmospheric layer that helps shield life from ultraviolet radiation, which helps minimize the breakage of DNA. How is it happening?.

411 views • 6 slides

Ozone Layer Depletion

Ozone Layer Depletion. IB SL. What Is It?. The ozone layer is found in the upper stratosphere and its primary function is to filter ultraviolet short-wave radiation that comes from the sun. Ozone gas absorbs UV radiation.

467 views • 8 slides

Ozone Layer Depletion

Ozone Layer Depletion. Ozone in the Stratosphere. 平流層的臭氧 (O 3 ) 阻檔有害的紫外線 (UV) 保護地球上的生物是好的臭氧對流層 ( 地面附近 ) 的臭氧是光化學煙霧的重要成份是壞的臭氧. Figure source: Synthesis and Assessment Product 2.4, Report by the U.S. Climate Change Science Program and the Subcommittee on Global Change Research.

559 views • 27 slides

THE OZONE LAYER

THE OZONE LAYER. A. OZONE in the Atmosphere. Tropospheric Ozone = “BAD” Stratosphere Ozone = “GOOD” defense against UV radiation Contains 97% of O3 Essential to life as we know it Mainly formed at Tropics BUT majority is carried to poles by convection currents. B. The Chemistry.

362 views • 12 slides

Ozone Layer Depletion

Ozone Layer Depletion. Causes and Associated Hazards. Stratospheric Ozone Layer Destruction. Ozone. O 3 a gas composed of three atoms of oxygen bluish gas that is harmful to breathe Nearly 90% of the Earth's ozone is in the stratosphere and is referred to as the ozone layer

502 views • 14 slides

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