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Sedimentation in reservoirs effects the turbidity of the reservoir, and erosion patterns along the river. It also presents a cost to the government who has to dredge the rivers of its sediments. In Bangladesh, the government has to remove 0.8 million cubic meters of maintenance dredging and 2 million cubic meters of capital dredging per year.
A drought is a period of drier-than-normal conditions. [1]: 1157 A drought can last for days, months or years. Drought often has large impacts on the ecosystems and agriculture of affected regions, and causes harm to the local economy.
A study conducted between 2014 and 2018 reveals that a large proportion of the deltaic populations of Volta delta in Africa, the Ganges Brahmaputra Meghna delta in Bangladesh and India, and Mahanadi delta in India cited economic reasons as a cause of their migration and only 2.8% cited environment reasons. One third of migrant households ...
Bangladesh is known for its vulnerability to climate change and more specifically to natural disasters. It is important to mention the fact that the location of the country is vulnerable for the presence for three powerful rivers, Asian rivers, Brahmaputra, Ganges and the Meghna along with their numerous tributaries that could result massive floods.
There are numerous effects of climate change on agriculture, many of which are making it harder for agricultural activities to provide global food security.Rising temperatures and changing weather patterns often result in lower crop yields due to water scarcity caused by drought, heat waves and flooding. [5]
Because of Bangladesh's fertile soil and normally ample water supply, rice can be grown and harvested three times a year in many areas. [9] Due to a number of factors, Bangladesh's labour-intensive agriculture has achieved steady increases in food grain production despite the often unfavorable weather conditions. [9]
Figure 16.5 Some examples of these are building seawalls or inland flood defenses, providing new insurance schemes, changing crop planting times or varieties, and installing green roofs or green spaces. Adaptation can be reactive (responding to climate impacts as they happen) or proactive (taking steps in anticipation of future climate change).
Ganges-Kobadak Irrigation Project (Bengali: গঙ্গা-কপোতাক্ষ সেচ প্রকল্প) or G-K Project (Bengali: জি-কে প্রকল্প) is a large surface irrigation system of Bangladesh to serve the Southwestern part of Bangladesh. Kushtia, Chuadanga, Magura & Jhenaidah District are served by this ...