Atmosphere And Ozone Layer 
- Posted under:
- News
This year’s ozone hole in Antarctica is 5th biggest
This year’s ozone hole over Antarctica was the fifth biggest on record, reaching a maximum area of 10.5 million square miles in September, Nasa says. That’s considered “moderately large”, Nasa atmospheric scientist Paul Newman said in a statement.
- Date:
- 06/11/2008
- Source:
- Times Of India (New Delhi)
Tags
- Posted under:
- Reports and Documents
Atmospheric brown clouds - regional assessment report with focus on Asia
Increasing amount of soot, sulphates and other aerosol components in atmospheric brown clouds (ABCs) are causing major threats to the water and food security of Asia and have resulted in surface dimming, atmospheric solar heating and soot deposition in the Hindu Kush-Himalayan-Tibetan (HKHT) glaciers and snow packs.
- Date:
- Nov 2008
- Source:
- UNEP
Tags
- Posted under:
- News
Science & Technology - Briefs
health sciences
Hooked, genetically
Researchers of the University of Michigan, usa, have cracked the genetic secrets of nicotine addiction. Whether or
not one gets hooked to smoking is dependent on a particular variant of a gene— chrna 5—they say. So far, it was
believed that smoking is governed by one’s genes, environmental factors and peer pressure. The research suggests
- Date:
- 29/09/2008
- Source:
- Down to Earth
Tags
- Posted under:
- Feature Articles
Subtropical to boreal convergence of tree-leaf temperatures
The ratio of stable oxygen isotopes in tree-ring cellulose was first used to reconstruct temperatures during tree growth, and a seminal study showed a strong correlation between oxygen isotopes of woody tissue and mean annual temperature.
- Date:
- Jul 2008
- Source:
- Nature Vol: 454 Issue: 7203 pp: 511-515
Tags
- Posted under:
- Feature Articles
The Montreal Protocol as a tool to regulate the ozone depletion
The Montreal Protocol with its subsequent amendments and adjustments has been providing a global regulatory framework for the phase out of ozone depleting substances. Till date, CFCs, CTC, HBFCs, methyl chloroform and halons have been already phased out completely by the developed countries and a number of other ODSs are scheduled to follow.
- Date:
- Jul 2008
- Source:
- Journal of the Institution of Public Health Engineers Vol: 2008-09 Issue: 3 pp: 17-20
Tags
- Posted under:
- Feature Articles
Resolving an atmospheric enigma
In 1971, meteorologists Roland Madden and Paul Julian studied weather data from near equatorial Pacific islands. To their surprise, tropospheric winds, pressure and rainfall oscillated with a period of about 40 to 50 days.
- Date:
- Dec 2007
- Source:
- Science Vol: 318 Issue: 5867 pp: 1731-1733
