Monsoons

Order of the National Green Tribunal regarding desilting of the Defence Colony drain in Delhi before the monsoon, 16/04/2025

Order of the National Green Tribunal in the matter of Nizamuddin West Association Vs Union of India & Others dated 16/04/2025. The matter related to desilting of 24 drains with special focus on two drains - Kushak drain and Sunheri Pul drain before the monsoon. The court was informed that …

Climate-driven ecosystem succession in the Sahara: The past 6000 years

Desiccation of the Sahara since the middle Holocene has eradicated all but a few natural archives recording its transition from a "green Sahara" to the present hyperarid desert. Our continuous 6000-year paleoenvironmental reconstruction from northern Chad shows progressive drying of the regional terrestrial ecosystem in response to weakening insolation forcing …

This monsoon, BMC looks to traffic police CCTVs to monitor water-logging

To tie up with traffic department, railways and cellphone companies to keep citizens informed This monsoon, the Brihanmumbai Municipal Corporation will rope in a brand new slew of initiatives to cause minimum inconvenience to citizens during emergencies or major floods. While civic officials seeking to monitor water-logging will soon approach …

Chinese caves throw light on Asian monsoons

deposits in Sanbao cave in Central China tell the story of the region's climate more than 200,000 years ago. They also reveal the working of the East Asian monsoon over timescales that range over thousands of years. The information was brought out in a paper in the February 28 issue …

Eyes on monsoon to get rid of inflation

After the failure of government in controlling inflation now there is hope on clouds. It is believed that if monsoon comes in time and rains properly , production of crop would be good and rates of food grains would lower itself. But the scientists of meteorological department said that normal …

Extreme rainfall events: Vulnerability analysis for disaster management and observation system design

Extreme rainfall events today pose a serious threat to many populated and urbanized areas worldwide. An accurate estimate of frequency and distribution of these events can significantly aid in policy planning and observation system design. We report here a highresolution (10 km) analysis of heavy rainfall episodes (defined as 24-h …

Drought? Or floods!

For the first time, the meteorological department will give probability estimates of drought and excess rainfall for the country as part of its much-awaited April forecast of the southwest monsoon. The department will continue to stick to a new technique it used last year for forecasting the monsoon though it …

Northwest India too will share monsoon spoils

The International Research Institute (IRI) for Climate and Society at the University of Columbia has come out with more daring predictions on the Indian monsoon compared to those made public by India Meteorological Department (IMD) on Wednesday. The most glaring difference in perception relates to rainfall trends for northwest India. …

The hope of rain

For the India Meteorological Department (IMD), it has been an annual ritual for the past 20 years to issue its long-range monsoon forecast around this time of the year, though the credibility of these predictions has been on the wane. The projection that the rainfall during this year's monsoon season …

Near-normal monsoon forecast gives govt hope

Facing all-round flak on galloping inflation, the government on Wednesday tried to wash away some of its worries by predicting a "near-normal' south-west monsoon for the year, suggesting that increased farm production could be expected. A good measure of the attack hurled on the government by allies and opponents has …

Met predicts near-normal rains

The south west monsoon, crucial to agriculture, is likely to be near normal this year, the Meteorological Department has forecast amid hopes that good summer rains would lead to an easing in the price situation. "India Meteorological Department's long-range forecast for the 2008 southwest monsoon season (June-September) is that rainfall …

Global and regional climate changes due to black carbon

Black carbon in soot is the dominant absorber of visible solar radiation in the atmosphere. Anthropogenic sources of black carbon, although distributed globally, are most concentrated in the tropics where solar irradiance is highest. Black carbon is often transported over long distances, mixing with other aerosols along the way. The …

Monsoon worry for Kalimpong - SOS to PM: save us from landslides

Kalimpong: Six-hundred-and-forty households in and around Kalimpong have appealed to Prime Minister Manmohan Singh to save them from landslides, a threat that looms large in the hills during monsoon. Writing on behalf of the families, Save The Hills, an NGO, regretted that nothing had been done since the end of …

Active and Break Spells of the Indian Summer Monsoon

Sub-seasonal rainfall fluctuations, characterized as active and weak spells during the Indian monsoon season (June to September) is an important component of the variability of the Indian monsoon rainfall. In this paper, we suggest criteria for identification of active and break events of the Indian summer monsoon on the basis …

Meet on natural calamities

A meeting convened to discuss the preparedness of monsoon and to adopt preventive measures in future and action to be taken before the onset of monsoon was held at South Goa Collectorate building in Margao. Senior officials attended the meeting that was chaired by Vanancio Furtado, Dy Collector. The meeting …

Eight killed and thousands of people affected in Sri Lanka floods

At least eight people were killed and nearly 200,000 people have been affected due to torrential rain resulting from the north-east monsoon in the country. The deaths have been reported from Badulla, Moneragala and Gampha districts during the last few days,. Around 44,600 families consisting of 173,909 have been affected, …

Millennial- and orbital-scale changes in the East Asian monsoon over the past 224,000 years

High-resolution speleothem records from China have provided insights into the factors that control the strength of the East Asian monsoon.

The rhythm of the rains

Deposits in a Chinese cave tell the story of the region 's climate stretching back more than 200,000 years, well past the last interglacial warm period

Fresh water influence on nutrient stoichiometry in a tropical estuary, southwest coast of India

Cochin backwaters, a micro tidal estuary, undergo a characteristic transformation from a river dominated system during summer monsoon to a tide-dominant system during pre-monsoon season. The present study observes that as the river flow weakens after monsoon, the flushing of the estuary diminishes and the nitrogen and phosphorous loadings through …

Chemical composition of bulk percipitation during 2005 southwest monsoon in Bangalore city, India

During the southwest monsoon (June to September) season of 2005 in Bangalore City, 32 bulk precipitation samples were collected from two sampling stations. Concentrations of major cations and anions were determined.

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. The oscillation in clouds and precipitation trends to be confined to the tropical Indian and Pacific …

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