Category Archives: Uncategorized

Ozone Hole and Global Warming

Posted on February 11, 2008 by Rashid Faridi

The ozone hole is a thinning of the stratosphere’s ozone layer, which is roughly 9 to 31 miles above the earth’s surface. The depletion of the ozone is due to man-made chemicals like chlorofluorocarbons (CFCs). A thinner ozone layer lets … Continue reading →

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Global Warming

Posted on February 11, 2008 by Rashid Faridi

Climate change is any substantial change in Earth’s climate that lasts for an extended period of time. Global warming refers to climate change that causes an increase in the average temperature of the lower atmosphere. Global warming can have many … Continue reading →

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Remote Sensing Devices: Cameras,Scanners and Sensors

Posted on February 10, 2008 by Rashid Faridi

Remote Sensing Platforms Environmental remote sensing devices can be mounted on a variety of platforms. Hand-held cameras can be used to acquire (usually) oblique photo images and hand-held radiometers can be used to measure the reflectance characteristics of a surface. … Continue reading →

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Is the climate becoming more variable or extreme?

Posted on February 8, 2008 by Rashid Faridi

On a global scale there is little evidence of sustained trends in climate variability or extremes. This perhaps reflects inadequate data and a dearth of analyses. However, on regional scales, there is clear evidence of changes in variability or extremes. … Continue reading →