Climate

Annual climate summary 2023

The report discusses the climate condition over Indian region during the year 2023. Notably, global temperatures soared to exceptionally high levels during this period (WMO.No.1347). The India Meteorological Department continuously monitors weather and climate over Indian region. The annual mean land surface air temperature averaged over India during 2023 was …

Readers response

Very little is known about changes in climatic conditions. More so in India, given the state of scientific research. One way to study this is through observations of people about their local climate. Down To Earth carried out a survey on people's observations on climate change in 1999. The questionnaire, …

Fury of the fire

raging forest fires have consumed more than four hundered thousands hectares of natural forest in the us in areas ranging from Arizona to the Canadian border. Over 70 large fires which are still burning in the region have destroyed one million hectares of land. One large fire in Idaho alone …

Red heat

a reconstruction of climate using lake sediments suggests that African climate in previous centuries was much lethal than in the last 30 years. "Those centuries saw huge swings in African rainfall. The fluctuations seem to be tied to variations in the radiative output of the Sun,' says Dirk Verschuren of …

Tibetan saga

the India-based department of information and international relations of the Central Tibetan Administration recently released the report Tibet 2000: Environment and Development Issues in Himachal Pradesh. Writing on the importance of saving Tibet's environment, Kalon T C Tethong, minister, department of information of the Tibetan government-in-exile, says "Scientists have shown …

Reduction of tropical cloudiness by soot

Measurements and models show that enhanced aerosol concentrations can augment cloud albedo not only by increasing total droplet cross-sectional area, but also by reducing precipitation and thereby increasing cloud water content and cloud coverage. Aerosol pollution is expected to exert a net cooling influence on the global climate through these …

Within the Earth s guts

some recent research into the link between the climate and tectonic activity within the Earth's bowels could have important implications for predicting climatic phenomena. This could be especially important for a country like India, which depends overwhelmingly on the monsoons. Climate modelling and prediction is traditionally based on understanding ocean-atmosphere …

Drought may continue

THE drought which hit the us recently may extend to the next year, John Kelly, director, National Weather Service has said. Dan Glickman, agriculture secretary, has declared Connecticut "a farm disaster area' and has issued similar declarations for 19 counties in Maryland, six additional counties in Virginia and one in …

It is wetter in the south

over the past 22 years, ocean warming has caused an eight per cent increase in rainfall over the Southern Ocean and the South Pacific. Annie Wong, oceanographer at the Antarctic Cooperative Research Centre ( acrc ) in Hobart, Australia, says that warmer ocean temperatures are intensifying the cycle of rainfall, …

Waiting for rain

from Virginia to Massachusetts, extending even as far west as Ohio, exceptionally dry weather conditions threaten eastern United States with drought. The National Weather Service has blamed the stagnant high-pressure system over the south-eastern part of the country for the lack of rain this summer. Conditions were no better last …

Cooler 1999 predicted

climatologists believe it is unlikely that 1999 will be quite as warm as 1998. Figures released by the Australia's Bureau of Meteorology reveal that at 22.54

1999: a lot cooler

CLIMATOLOGISTs believe that 1999 will not be quite as warm as 1998. Figures released by the Australia's Bureau of Meteorology reveal that the average temperature last year was 22.54oC. It was 0.73oC higher than the average between 1961 and 1990. In fact, each year of this decade has been hotter …

Rio s Stepchild

desertification threatens 41 per cent of the total land area on the Earth. It will affect 900 million people in 100 countries, most of them in the least developed parts of the world. The industrialised North, which is not really facing this threat, is hardly interested in dealing with the …

Blame it on the Raj?

IN RECENT years, ecology has emerged as a major research topic and its historical aspect is being keenly analysed. The period between the 17th century to the early 20th century, when most of the nations were under colonial rule, is associated with the exploitation of natural resources. India is no …

BANGLADESH COLD WAVE

Bangladesh experienced its worst ever cold wave that killed at least 220 people in the western and northern districts. Biman Bangaladesh, the national airline, cancelled many of its domestic and international flights due to heavy fogs blanketing the affected regions. Authorities distributed blankets to the victims to protect them against …

Missed targets

AS THE host of the next meeting of the ON Convention on Climate Change, which is scheduled to be held in December in Kyoto, Japan is making last-ditch attempts to finish its homework on global warming. In the previous con- vention meetings, rich nations had agreed to start a series …

Dry spell

lack of rain, freezing temperatures and cold winds have brought fears of drought across Europe. Many farmers across Europe are now facing a 'catastrophe' according to Copa, the association of European farmers' unions. The worst hit countries are Italy, Spain and Portugal, while parts of France, Belgium and the uk …

Frozen details

INDIA has launched a series of new studies of lake sediments in Antarctica to understand the climatic conditions across many centuries in the icy continent. Announcing this at Mormugao port in Goa, the latest Indian scientific team to return from an Antarctica expedition said that it has also taken up …

Twin benefits

A new energy programme developed by the Sierra Club, Canada, in collaboration with the Climate Action Network

For a better view

seventeen European countries belonging to Eumetsat, the agency responsible for European weather satellites, met recently at Darmstadt, Germany, to approve a us $2.3 billion-system of weather satellites which will help provide more accurate forecasts. The members have proposed to build three satellites, for launch from the year 2002 , to …

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