Feature Article

ipsita's picture

What's not in is more important

What will UNCED discuss? Theoretically, everything. But it will focus on: Long-term issues like global warming. National resources in the South like tropical rain forests and conservation of

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19920531
Publication Date: 
30/05/1992
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susan's picture

Persistent organochlorine residues in foodstuffs from India and their implications on human dietary exposure

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Foodstuffs collected from different regions in India were analyzed for the presence of HCH (BHC), DDT, HCB, aldrin, dieldrin, heptachlor, and PCBs. Significantly high levels of food contamination with HCH, DDT, aldrin, and dieldrin were evident throughout India. Dairy products and livestock meat are the prime sources of human dietary exposure to these chemicals.

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Publication Date: 
01/03/1992
susan's picture

An overview of the Madden-Julian Oscillation and its relation to monsoon and mid-latitude circulation

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93-111
Publication Date: 
01/02/1992

In the past decade there has been extensive research into tropical intraseasonal variability, one of the major components of the low frequency variability of the general atmospheric circulation. This paper briefly reviews the state-of-the-art in this research area: the nature of the Madden-Julian Oscillation, its relation to monsoonal and extratropical circulations, and the current theoretical understandings.

Original Source

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susan's picture

Wildlife management in Zimbabwe: The CAMPFIRE programme

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Publication Date: 
01/01/1992

In Zimbabwe, the area occupied by national parks, safari areas, recreational parks sad sanctuaries (collectively called the Wildlife Estate) totals about 47000 km2, or 12.5 percent of the total land area. This area is the responsibility of the Ministry of Natural Resources and Tourism and is managed by the Department of National Parks and Wildlife Management (DNPWLM) which is also responsible for wildlife resources throughout the country, including commercial and communal areas.

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susan's picture

Carbon sinks in mangroves and their implications to carbon budget of tropical coastal ecosystems

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Nearly 50% of terrigenous materials delivered to the world's oceans are delivered through just twenty-one major river systems. These river-dominated coastal margins (including estuarine and shelf ecosystems) are thus important both to the regional enhancement of productivity and to the global flux of C that is observed in land-margin ecosystems. The tropical regions of the biosphere are the most biogeochemically active coastal regions and represent potentially important sinks of C in the biosphere.

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Publication Date: 
01/01/1992
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susan's picture

The onset of the southwest monsoon of 1990

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447-453
Publication Date: 
10/10/1991

Statistics relating to the date of onset of the southwest monsoon over Kerala for the 100-year period 1891-1990 reveal that the mean and median dates of onset for south Kerala are 31 May and 1 June, with a standard deviation of 8.5 days. Declaring the date of monsoon onset is not a straightforward matter. However, rainfall pattern, uppper air circulation features and INSAT cloud pictures are useful guides, and these indicate that the onset date in 1990 esd 17-18 May. During 1891-1990 there have been onlyy 12 years in which the date of onset over Kerala has been on or before 18 May.

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susan's picture

An investigation of environmental impact on health of workers at retail petrol pumps

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Ninety-four male pump workers, employed in 41 petrol filling stations in Kanpur (formerly Cawnpore) and Lucknow—both in the Ganges plain of north India—were clinically examined.

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Publication Date: 
01/06/1991
Main Topic: 
Name of the Journal: 
susan's picture

Thermodynamic regulation of ocean warming by cirrus clouds deduced from observations of the 1987 El Nino

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27-32
Publication Date: 
02/05/1991

Observations made during the 1987 El Niño show that in the upper range of sea surface temperatures, the greenhouse effect increases with surface temperature at a rate which exceeds the rate at which radiation is being emitted from the surface. In response to this 'super greenhouse effect', highly reflective cirrus clouds are produced which act like a
thermostat, shielding the ocean from solar radiation. The regulatory effect of these cirrus clouds may limit sea surface temperatures to less than 305 K.

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susan's picture

A Parsimonious model for prediction of monsoon rainfall in India

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446-448
Publication Date: 
10/04/1991

A research paper by Gowariker have used multiple and power regression involving 15 independent variables for long range forecasting of monsoon rainfall in India. They have also argued that, when most of the independent variables are 'favourable' almost invariably the monsoon rainfall is normal. In this note we formalize this approach using a parsimonious logistic regression model. The probability of a normal rainfall can be assessed in most cases using only five of the 15 variables.

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susan's picture

A place in the sun

The UN sponsored discussions to prepare a global convention on climate began in February in USA. The aim is to prepare a legally binding convention to curb gaseous emissions leading to a much feared climate destabilisation. This convention is being seen as the world's greatest commitment to the environment and its future generations.

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Publication Date: 
01/04/1991
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