The impact of climate change on regional water balances in Bangladesh

Kirby, J. M.; Mainuddin, Mohammed; Mpelasoka, Freddie; Ahmad, Mobin-ud-Din; Palash, Wahid; Quadir, M.E.; Shah-Newaz, S. M.; Hossain, M. Monowar

doi:10.1007/s10584-016-1597-1

Cited by 100 publications

(55 citation statements)

References 29 publications

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“…For instance, Whitehead et al reported that the 15% increase of discharge in the Ganges, Brahmaputra and Meghna River systems by the 2050s potentially increases flood risk within Bangladesh. Increasing trends of water level and monsoon discharge of rivers in this region are also evident from other studies (Billah et al, 2015, Kirby et al, 2016. Our study further investigates the future scenarios of water levels, discharges and flood potentials in the Betna River.…”

Section: Impact Of Climate Change On Water Level Discharge and Floodsupporting

confidence: 79%

“…The increase in monsoon discharges can also be attributed to the increased monsoon discharges in the upstream rivers of the Betna River. The increasing trend of monsoon precipitation and river discharge in South Asia is also evident from other studies (Apurv et al, 2015, Ghosh and Dutta, 2012, Kirby et al, 2016, Mirza et al, 2003, Billah et al, 2015.…”

Section: Extreme Water Level and Dischargesupporting

confidence: 64%

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Assessing the impact of socio-economic development and climate change on faecal indicator bacteria in the Betna River, Bangladesh

Islam¹

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Section: Impact Of Climate Change On Water Level Discharge and Floodsupporting

confidence: 79%

Section: Extreme Water Level and Dischargesupporting

confidence: 64%

Assessing the impact of socio-economic development and climate change on faecal indicator bacteria in the Betna River, Bangladesh

Islam¹

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“…Higher irrigation water requirements may exceed the local groundwater availability, which is the main source of irrigation in the model region. Drastic lowering of the ground water level has already been observed at many locations as a result of extensive agricultural utilization, [79][80][81][82]. Thus, there are currently several conflicts regarding the use of groundwater for irrigation purposes; the future scenarios of the Hessian Reed may intensify the state of affairs.…”

Section: Discussionmentioning

confidence: 99%

Model and Growth Stage Based Variability of the Irrigation Demand of Onion Crops with Predicted Climate Change

Schmidt

Zinkernagel

2017

Water

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Predicted climate change will affect agricultural water resources. Particularly vegetable crops will be concerned due to high water demand and high vulnerability to water scarcity. Present vegetable production already requires irrigation water. To assess future irrigation demand, the impact of climate change needs to be revealed region-and crop-specifically. For robust predictions, a wide range of scenarios has to be simulated using different climate models. The aim of this study is to identify the climate change impact on water availability, precipitation-free periods and irrigation demand of onion crops cultivated in a German model region. Focus is on crop-specific climatic water balance, considering soil characteristics and temperature-driven plant growth. Simulated climate parameters vary between four climate models. However, in all scenarios climate parameters indicate an increasing water demand until 2100. While amount of irrigation water will not increase tremendously, occurrence and duration of dry periods will require efficient irrigation infrastructure and management.

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“…Examples of possible interactions are off-site effects, i.e., water usage upstream that influences the water availability downstream or potentially unsustainable use of groundwater (Ahmad et al 2014;Ara et al 2016) and economic development that indirectly influences movement of people and goods with indirect influences on food security in Bangladesh. Many of these factors are currently being researched (Mainuddin and Kirby 2015;Kirby et al 2016) in the country and need to be included in future policies. External factors that are outside of direct government influence include global economic factors such as global annual food production and international trade of agricultural or other commodities that can influence individual food security components in a country.…”

Section: Part 2: Identifying Spatio-temporal Evidencementioning

confidence: 99%

A Review of Food Security and the Potentials to Develop Spatially Informed Food Policies in Bangladesh

Ara

Ostendorf

2017

Earth Syst Environ

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Background Food security globally depends primarily on three components: food availability, food access, and food utilization. Regional variations of these components may affect food security via spatial differences in natural, social or economic conditions and the interaction of these in a complex environmental system. Purpose It is important to understand the regional variation of food security, particularly where and under what natural and socio-economic circumstances people become vulnerable to low food security in a country. Methods This article provides an overview of food security in Bangladesh in terms of the three main components, identifies knowledge gaps in present food security research, reviews possible impacts of climate change on food security, and sourced a wide range of spatio-temporal data relevant for food security. Results The study highlights potentials and indicates different processes to develop spatially informed food policies in a country, particularly focuses on Bangladesh. This will contribute to improved food security by considering regional food security conditions, region-specific deficits, climate change, other future risks, and devises actions related to the respective components. Conclusion The study concludes that different processes can provide a foundation for policy development and these will advance research-policy linkage to improved food security.

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The impact of climate change on regional water balances in Bangladesh

Cited by 100 publications

References 29 publications

Assessing the impact of socio-economic development and climate change on faecal indicator bacteria in the Betna River, Bangladesh

Assessing the impact of socio-economic development and climate change on faecal indicator bacteria in the Betna River, Bangladesh

Model and Growth Stage Based Variability of the Irrigation Demand of Onion Crops with Predicted Climate Change

A Review of Food Security and the Potentials to Develop Spatially Informed Food Policies in Bangladesh

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