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Transboundary Data Sharing Helps Bangladesh to Prepare for Floods

Data from India and China

The projections made by the centre are based on data about water flow upstream in the Brahmaputra, Ganga, Teesta, Feni and Barak – all transboundary rivers flowing in from India. The data is provided by the Bangladesh Meteorological Department. More important, it is provided by meteorological offices in India and China, which gives the authorities more time to prepare, even evacuate the vulnerable residents if necessary.

A man feels for land with his stick in flooded Sylhet [Image by Serajul Islam]

Under bilateral agreements between the countries, India and China provide information twice a day during the monsoon to help Bangladesh update its flood forecasting systems. India provides data from two points on the Ganga, five on the Brahmaputra, and one each on the Teesta, Feni and Barak rivers, while China provides river flow information from three points on the Brahmaputra river in Tibet.People living in the Ganga-Brahmaputra-Meghna basin are used to floods during the monsoon season. Just last year, Bangladesh experienced a severe flood due to heavy monsoon rains in the Brahmaputra basin and in 2015, 200,000 hectares of Aman paddy and 50,000 hectares of vegetable fields were inundated with floodwater, according to the Department of Agricultural Extension (DAE).

Earlier flood this year

In early June this year, heavy rainfall in Bangladesh and the neighbouring Indian states of Assam and Meghalaya caused floods in some parts of the country. North-eastern Bangladesh was badly hit, with the Surma river in Sylhet district flowing 72 cm and 78 cm above the danger level at two points.

According to the Bangladesh Water Development Board, the ongoing flood has affected several hundred people in the districts of Sylhet, Sunamganj, Habiganj and Moulovibazar, where 280 schools have been closed and around 300,000 people have been cut off.

A cycle-rickshaw removing bedding through the flooded streets of Sylhet [image by Serajul Islam]

But now that the country can learn about potential hazards a few days in advance, preparations can be made earlier.The DAE has made preparations to provide fresh Aman paddy seeds to farmers, in case crops are damaged by the floods.

“We have enough preparation to supply farmers Aman paddy seeds after the flood so that they can continue their cultivation,” Chaitanya Kumar Das, deputy director of the DAE, told thethirdpole.net.

“Considering the FFWC’s forecast, we have taken preparations including relief and rehabilitation mechanism to tackle the natural disaster,” Abu Saleh Mohammad Ferdous Khan, deputy commissioner of Kurigram district administration, told thethirdpole.net. “We get enough time to evacuate people living in low-lying areas near the rivers.”

Darkness under the lamp

Meanwhile, in the Indian state of Assam over 1.25 million people have been affected by the floods, and at least 33 already reported killed. Major highways have been disrupted, and the famed Kaziranga national park, home of the one-horned rhinoceros, is mostly under water, with animals seeking higher ground.

It is unclear why, if Bangladesh is better prepared for floods at least partially due to information shared by India, Indian states do not seem to be. In the past, the states of West Bengal and Assam have blamed the lack of information from upstream riparians such as Bhutan and China. The floods are a regular catastrophe, occurring year on year with comparable amounts of people affected. And while it is argued that India and Bangladesh must work together to deal with transboundary floods, the challenges for India seem to be as much within than outside its borders.

This story was first published on The Third Pole

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