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14 December, 2019 12:47:52 AM / LAST MODIFIED: 14 December, 2019 02:55:37 PM
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Dhaka’s nights hotter than surrounding areas

Urbanisation, greenhouse gas emission, high-rise buildings and population density are among major factors behind rise in Dhaka temperature
RAFIQUL ISLAM AZAD, Dhaka
Dhaka’s nights hotter than surrounding areas

Night temperature of the capital city of Dhaka remain one to two degree Celsius more than that in the surrounding areas. So, city dwellers feel comparatively less cold even during winter, according to meteorologists.

They identified massive urbanisation, industrialisation, greenhouse gas emission, human activities, high-rise buildings, and density of population as major factors behind the rise in temperature in the 400-year-old city.

Dhaka’s night temperature remains higher than that in surrounding areas like Tangail, Faridpur, Madaripur, and Cumilla.

"Dhaka is known for its heavy traffic. There is severe emission from vehicles, but the scope of releasing the harmful gas is very poor. This causes the temperature to rise in the city,” the country’s leading meteorologist, Dr Abdul Mannan, told The Independent.

Referring to a recent study of the World Meteorological Organisation (WMO), Mannan said world temperatures have been gradually increasing due to climate change and maximum concentration of carbon dioxide emissions in the atmosphere.

Mannan, who works for the Bangladesh Meteorological Department (BMD), said the temperature in the country, including in Dhaka, has been increasing over the years.

Referring to differences in temperature in Dhaka and its surrounding areas, Mannan said the BMD yesterday recorded a minimum temperature of 16.2 degrees Celsius in Dhaka, 14.7C in Faridpur, 14.6C in Madaripur, 13C in Cumilla, and 13.5C in Tangail.

Another meteorologist, AKM Nazmul Hoque, said urbanisation, industrialisation, and greenhouse gas emission are the main reasons behind the increase in the temperature of Dhaka.

He also said it is normal to feel less cold in Dhaka at this time. "In our study, it is normal. We feel such cold at this time every year," he added.

The lowest temperature recorded in Dhaka so far this season was 16.2 degree Celsius yesterday, while it was 9.8C in Tentulia, he noted.

Hoque said the temperature in Dhaka and northern and eastern parts of the country varies due to the geographical position and location of ridge of sub-continental high.

Replying to a question, Hoque said there may be one or two light to moderate cold waves in the northern and eastern parts of the country anytime after the middle of this month.

MK

 

 

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Editor : M. Shamsur Rahman

Published by the Editor on behalf of Independent Publications Limited at Media Printers, 446/H, Tejgaon I/A, Dhaka-1215.
Editorial, News & Commercial Offices : Beximco Media Complex, 149-150 Tejgaon I/A, Dhaka-1208, Bangladesh. GPO Box No. 934, Dhaka-1000.

Editor : M. Shamsur Rahman
Published by the Editor on behalf of Independent Publications Limited at Media Printers, 446/H, Tejgaon I/A, Dhaka-1215.
Editorial, News & Commercial Offices : Beximco Media Complex, 149-150 Tejgaon I/A, Dhaka-1208, Bangladesh. GPO Box No. 934, Dhaka-1000.

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