Monthly Archives: June 2008

Red tide

Posted on June 23, 2008 by Rashid Faridi

“Red tide” is a common name for a phenomenon known as an algal bloom, an event in which estuarine, marine, or fresh water algae accumulate rapidly in the water column, or “bloom”. These algae, more specifically phytoplankton, are microscopic, single-celled … Continue reading →

Posted in BIODIVERSITY, Environment, oceans, water | 3 Comments

GIS DATA TYPES & DATA MODELS

Posted on June 22, 2008 by Rashid Faridi

Although the two terms, data and information, are often used indiscriminately, they both have a specific meaning. Data can bedescribed as different observations, which are collected and stored. Information is that data, which is useful in answering queries or solving … Continue reading →

Posted in GIS | 8 Comments

Biofuels: ‘Green gold’ or a problems untold?

Posted on June 21, 2008 by Rashid Faridi

No subject appears to divide as many people in the climate change arena as biofuels. Their potential to positively impact greenhouse gas emissions is undoubtedly great.    But the pursuit of such non-fossil fuel energy replacements has raised concerns over … Continue reading →

Posted in Environment, Global Warming | 1 Comment

ERRORS IN GIS

Posted on June 20, 2008 by Rashid Faridi

No map is perfect. Even the most accurate maps created by a GIS have some deficiencies. These deficiencies occur due to “Errors” that may have taken place at different stages of GIS implementation. These errors reduce the accuracy of the … Continue reading →

Posted in GIS, Remote Sensing 101 | Leave a comment