ocean
17 Oct 2014
Levees and river system
In order to understand what a levee is one must understand a river system. A stream may be joined by tributaries (side streams) that finally merge with a larger stream or a river. A river finally empties into the sea. All the streams and the river make up a river system. Excepting a few like
29 Aug 2014
El Nino: The reasons behind
We might see the name El Nino appearing now and then in weather related reports in the newspapers. It is a change occurring in the Pacific Ocean, resulting sometimes in abnormal warming of the ocean water. Why would a change happening in the Pacific Ocean appear in newspapers of all parts of the world? Because this