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The amount and distribution of ozone molecules in the stratosphere varies greatly over the globe. Ozone molecules are transported around the stratosphere much as water clouds are transported in the troposphere. Therefore, scientists observing ozone fluctuations over just one spot could not know whether a change in local ozone levels meant an alteration in global ozone levels, or simply a fluctuation in the concentration over that particular spot. Satellites have given scientists the ability to overcome this problem because they provide a picture of what is happening daily over the entire Earth.

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Date Of Record Release 2010-07-16 18:37:50
Description The amount and distribution of ozone molecules in the stratosphere varies greatly over the globe. Ozone molecules are transported around the stratosphere much as water clouds are transported in the troposphere. Therefore, scientists observing ozone fluctuations over just one spot could not know whether a change in local ozone levels meant an alteration in global ozone levels, or simply a fluctuation in the concentration over that particular spot. Satellites have given scientists the ability to overcome this problem because they provide a picture of what is happening daily over the entire Earth.
Classification
Resource Type
Format
Subject
Source University of North Texas
Keyword Atmospheric composition, Air pollution, Ozone, Ozone depletion
Selector Selection Committee
Date Of Record Creation 2010-07-16 18:32:29
Education Level
Date Last Modified 2010-07-16 18:37:50
Creator NASA Earth Observatory
Language English
Date Record Checked: 2010-07-16 00:00:00 (W3C-DTF)

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