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Heavy monsoon in Mumbai in August 2005. Wikimedis

New Delhi, Sep 11, 2017: Urban floods are entirely manmade with poorly maintained drains, plastic bags, shrinking open spaces and climate change contributing to accumulation of water on roads after a heavy downpour, experts say.

They said that steps such as rainwater harvesting, ban on use of plastic bags and better use of weather forecasts will go a long way in helping tackle flooding in cities after rains.


Heavy downpours have been disrupting normal life in almost all metro cities in India, with Mumbai bearing the brunt last month which led to death of at least six persons.

Experts said a range of factors including rapid migration to urban areas and “lackadaisical attitude” of civic authorities were among the factors that contribute to cities coming to a standstill after heavy rains.

They said citizens also have to behave responsibly and ensure that plastic bags or used food plates are not thrown in the open or in the neighbourhood drains.

V.K. Sharma, Senior Professor of Disaster Management at the Indian Institute of Public Administration (IIPA), said the cities need a proper system of garbage collection and sewage disposal and regular cleaning of drains.

“It is true that poor drainage and sewage system is the real cause of urban flooding. There is also migration to cities which often leads to land encroachment and exerts pressure on the existing civic infrastructure,” Sharma told IANS.

Sharma said the urban planning has to have a long-term perspective and infrastructure should keep pace with growth of population. He said rain water harvesting should be made mandatory.

“There is also the need of fixing accountability of government officials and municipal authorities if drains are not properly cleaned. Strict penalties should be imposed on people throwing garbage in the open,” he said.

He said steps have been taken at some places to ban use of plastic bag but it should be enforced strictly.

“There is need to make people aware. This will also meet the larger goal of cleanliness,” he said.

Sharma said that prediction of the meteorological department are fairly accurate and authorities can issue timely alerts to people in case there is prediction of very heavy rainfall.

“This will also help prevent loss of life,” he said.

Santosh Kumar, a professor at the National Institute of Disaster Management with expertise in disaster risk reduction and policy planning, said climate change was also a factor in cities getting excessive rainfall.

“Urban flooding occurs when water flows into an urban region faster than it can be absorbed into the soil. Earlier, a city received such amount of rainfall in two to three weeks,” Kumar said, referring to Mumbai getting 350 mm rainfall on August 29-30.

He said the cities do not have spaces to absorb the excess water or to store it.

“Rapid urbanisation, industrialisation and population growth have also contributed to drainage systems getting congested. These drains are not able to take the pressure of huge water accumulated due to heavy rain, leading to waterlogging,” Kumar told IANS.

He said steps should be taken to improve garbage disposal and ensure that plastics do not find their way to drains.

“Urban ecosystems comprising marshlands, wetlands, lakes and rivers have steadily deteriorated,” Kumar added.

Vinod Kumar Jain, director of NGO Tapas which works in revival of water bodies in Delhi, said “water harvesting can play a significant role in reducing the chances of flooding in urban areas.”

Rainwater harvesting refers to trapping and storing rainwater so that it can be used at a later time when the need arises.

Heavy rainfall in Delhi last month had flooded roads and caused huge traffic snarls. On August 19, many parts of Chandigarh were flooded due to heavy rains. Chennai had witnessed severe flooding in 2015 while floods in Mumbai in 2005 had killed over 500 people. (IANS)


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Tokyo Olympics 2020 Indian wrestler Ravi Kumar enter semi finals.

Indian wrestler Ravi Kumar (57kg) and Deepak Punia (86kg) enjoyed fruitful outings at the Tokyo Olympic Games as they secured semifinal berths in their respective weight categories at the Makuhari Messe on Wednesday.

On the opening day of the wrestling competition, Ravi Kumar defeated Bulgaria's Georgi Vangelov 14-4 on technical superiority to reach the last-four in the men's 57kg category, while compatriot Deepak Punia overcame China's Zushen Lin 6-3 on points to advance to the semifinals.

Ravi Kumar will take on Nurislam Sanayev of Kazakhstan in the last-four, while Punia will be up against David Morris Taylor of the USA.

Earlier, Ravi Kumar had won his opening-round bout by technical superiority against Colombia's Oscar Tigreros to secure a quarterfinal spot. Competing in the Round-of-16 bout against the Colombian wrestler, the 23-year-old Ravi Kumar, who is making his Olympic debut, showed no nerves as he dominated the bout to win by technical superiority (13-2).

Ravi Kumar landed attack after attack and went 13-2 up, winning the bout by technical superiority with minutes to spare. In wrestling, building up a 10-point lead over the opponent results in a victory by technical superiority.

India's 86kg freestyle wrestler Deepak Punia showed no signs of the niggle that had forced him to pull out of the Poland Open Ranking Series in Warsaw in June, as he defeated Nigeria's Ekerekeme Agiomor on technical superiority to secure a quarterfinal berth.

He got his Olympic campaign to a fine start as he was in control from the start of the bout and hardly ever allowed his Nigerian opponent any room to maneuver his moves, finally winning with a 12-1 on technical superiority.

Punia, who had also suffered an elbow injury just before the Games, was slow at the start but came into his own as the bout progressed, inflicting takedowns at regular intervals to earn points.

The Indian wrestler eased into a 4-1 lead at the break and extended his lead comfortably in the second period.

Punia, the silver medallist from the 2019 world wrestling championships, then set up a clash with China's Lin Zushen in the quarterfinals and defeated him 6-3.

Photo by Rob Pumphrey on Unsplash

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