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Page-26 of Archives: May, 2011

Eutrophication

In context with environment, the Eutrophication refers to the addition of artificial or non-artificial substances, such as nitrates and phosphates, through fertilizers or sewage, to a fresh water...

May 22, 2011

Global dimming

The gradual reduction in the amount of global direct irradiance at the Earth’s surface is called Global dimming. It is believed that it has been caused by the...

May 22, 2011

Dead Zones

The Low oxygen areas in the world’s oceans or large lakes where no aquatic life is supported are known as Dead Zones. So, the Dead Zones are formed...

May 22, 2011

Oxygen minimum zone

Oxygen minimum zone (OMZ) , also known as shadow zone is the zone in Oceans where the oxygen saturation is at its lowest. This refers to depths of...

May 22, 2011

Carbon Footprint

Carbon Footprint refers to the GHG emission by an entity, event, product or person. It is expressed terms of the amount of carbon dioxide, or its equivalent of...

May 22, 2011

Climate Feedback and Polar amplification

Climate models generally predict amplified warming in Polar Regions due to climate feedbacks. This is called Polar amplification. This can be understood by the fact that due to...

May 22, 2011

Climate Change

Climate Climate is often defined as ‘average weather’. Climate is usually described in terms of the mean and variability of temperature, precipitation and wind over a period of...

May 22, 2011

Anti-greenhouse effect

Many planetary bodies show the Green House Effect. In our solar System, Mars and Venus show the Green House Effect, but Titan, the largest planet of Saturn and...

May 22, 2011

Green House Effect

In the Green House Effect, the thermal radiation from a planetary surface is absorbed by atmospheric greenhouse gases, and is re-radiated. Due to this, the temperature of the...

May 22, 2011

Greenhouse Gases (GHGs)

Greenhouse gases are gaseous constituents of the atmosphere, both natural and anthropogenic, that absorb and emit radiation at specific wavelengths within the spectrum of thermal infrared radiation emitted...

May 22, 2011

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