Monthly Archives: February 2008

The amount of water available per person in India is decreasing steadily – from 3450 cm in 1951, it fell to 1250 cm in 1999. According to the Ministry of Water Resources is expected to decrease further to 760 cm … Continue reading →

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 →

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 →

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 →