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Journal articles on the topic 'Ganges-Brahmaputra River discharge'

Author: Grafiati

Published: 4 June 2021

Last updated: 4 February 2022

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1

Mirza, M. Monirul Qader. "The Choice of Stage-Discharge Relationship for the Ganges and Brahmaputra Rivers in Bangladesh." Hydrology Research 34, no. 4 (2003): 321–42. http://dx.doi.org/10.2166/nh.2003.0010.

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The Ganges and Brahmaputra are the two largest rivers in Bangladesh. Discharge estimations of these rivers from a stage-discharge relationship or rating curve are crucial for flood warning/control/mitigation and water resources development. So far, logarithmic rating curves have been widely used in Bangladesh. The suitability of semi-logarithmic, polynomial and quadratic rating curves has not been investigated. In this study, all four recognised stage-discharge relationships were examined for the Ganges and Brahmaputra rivers. Unbiased least squares estimators were determined for the segmented

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2

Hopson, Thomas M., and Peter J. Webster. "A 1–10-Day Ensemble Forecasting Scheme for the Major River Basins of Bangladesh: Forecasting Severe Floods of 2003–07*." Journal of Hydrometeorology 11, no. 3 (2010): 618–41. http://dx.doi.org/10.1175/2009jhm1006.1.

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Abstract This paper describes a fully automated scheme that has provided calibrated 1–10-day ensemble river discharge forecasts and predictions of severe flooding of the Brahmaputra and Ganges Rivers as they flow into Bangladesh; it has been operational since 2003. The Bangladesh forecasting problem poses unique challenges because of the frequent life-threatening flooding of the country and because of the absence of upstream flow data from India means that the Ganges and Brahmaputra basins must be treated as if they are ungauged. The meteorological–hydrological forecast model is a hydrologic m

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3

Islam, S. M. N., S. H. Rahman, D. A. Chowdhury, M. M. Rahman, and S. M. Tareq. "Seasonal Variations of Arsenic in the Ganges and Brahmaputra River, Bangladesh." Journal of Scientific Research 4, no. 1 (2011): 65. http://dx.doi.org/10.3329/jsr.v4i1.7820.

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Dissolved arsenic concentrations in the Ganges, Brahmaputra Rivers and confluence of these two rivers show important seasonal variations and maximum arsenic concentrations are observed during the monsoon season (July–October). These seasonal variations of dissolved arsenic concentrations were closely related to intense river-water discharge during the monsoon season with high arsenic-rich suspended particulate matter (SPM) loads. These arsenic-rich SPM mainly are primarily originated from erosion of agricultural land in upstream region irrigated with arsenic contaminated shallow groundwater an

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4

Alam, Md Ashraful, Craig Farnham, and Kazuo Emura. "Bayesian inference for extreme value flood frequency analysis in Bangladesh using Hamiltonian Monte Carlo techniques." MATEC Web of Conferences 276 (2019): 04006. http://dx.doi.org/10.1051/matecconf/201927604006.

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In Bangladesh, major floods are frequent due to its unique geographic location. About one-fourth to one-third of the country is inundated by overflowing rivers during the monsoon season almost every year. Calculating the risk level of river discharge is important for making plans to protect the ecosystem and increasing crop and fish production. In recent years, several Bayesian Markov chain Monte Carlo (MCMC) methods have been proposed in extreme value analysis (EVA) for assessing the flood risk in a certain location. The Hamiltonian Monte Carlo (HMC) method was employed to obtain the approxim

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5

Islam, A. K. M. Saiful, Supria Paul, Khaled Mohammed, et al. "Hydrological response to climate change of the Brahmaputra basin using CMIP5 general circulation model ensemble." Journal of Water and Climate Change 9, no. 3 (2017): 434–48. http://dx.doi.org/10.2166/wcc.2017.076.

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Abstract The Ganges–Brahmaputra–Meghna river system carries the world's third-largest fresh water discharge and Brahmaputra alone carries about 67% of the total annual flow of Bangladesh. Climate change will be expected to alter the hydrological cycles and the flow regime of these basins. Assessment of the fresh water availability of the Brahmaputra Basin in the future under climate change condition is crucial for both society and the ecosystem. SWAT, a semi-distributed physically based hydrological model, has been applied to investigate hydrological response of the basin. However, it is a cha

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6

Hale, Richard, Rachel Bain, Steven Goodbred Jr., and Jim Best. "Observations and scaling of tidal mass transport across the lower Ganges–Brahmaputra delta plain: implications for delta management and sustainability." Earth Surface Dynamics 7, no. 1 (2019): 231–45. http://dx.doi.org/10.5194/esurf-7-231-2019.

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Abstract. The landscape of southwest Bangladesh, a region constructed primarily by fluvial processes associated with the Ganges River and Brahmaputra River, is now maintained almost exclusively by tidal processes as the fluvial system has migrated east and eliminated the most direct fluvial input. In natural areas such as the Sundarbans National Forest, year-round inundation during spring high tides delivers sufficient sediment that enables vertical accretion to keep pace with relative sea-level rise. However, recent human modification of the landscape in the form of embankment construction ha

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7

Gain, A. K., W. W. Immerzeel, F. C. Sperna Weiland, and M. F. P. Bierkens. "Impact of climate change on the stream flow of the lower Brahmaputra: trends in high and low flows based on discharge-weighted ensemble modelling." Hydrology and Earth System Sciences 15, no. 5 (2011): 1537–45. http://dx.doi.org/10.5194/hess-15-1537-2011.

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Abstract. Climate change is likely to have significant effects on the hydrology. The Ganges-Brahmaputra river basin is one of the most vulnerable areas in the world as it is subject to the combined effects of glacier melt, extreme monsoon rainfall and sea level rise. To what extent climate change will impact river flow in the Brahmaputra basin is yet unclear, as climate model studies show ambiguous results. In this study we investigate the effect of climate change on both low and high flows of the lower Brahmaputra. We apply a novel method of discharge-weighted ensemble modeling using model ou

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8

Gain, A. K., W. W. Immerzeel, F. C. Sperna-Weiland, and M. F. P. Bierkens. "Impact of climate change on the stream flow of lower Brahmaputra: trends in high and low flows based on discharge- weighted ensemble modelling." Hydrology and Earth System Sciences Discussions 8, no. 1 (2011): 365–90. http://dx.doi.org/10.5194/hessd-8-365-2011.

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Abstract. Climate change is likely to have significant effects on the hydrology. The Ganges-Brahmaputra river basin is one of the most vulnerable areas in the world as it is subject to the combined effects of glacier melt, extreme monsoon rainfall and sea level rise. To what extent climate change will impact river flow in the Brahmaputra basin is yet unclear, as climate model studies show ambiguous results. In this study we investigate the effect of climate change on both low and high flows of the lower Brahmaputra. We apply a novel method of discharge-weighted ensemble modeling using model ou

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9

Jian, Jun, Peter J. Webster, and Carlos D. Hoyos. "Large-scale controls on Ganges and Brahmaputra river discharge on intraseasonal and seasonal time-scales." Quarterly Journal of the Royal Meteorological Society 135, no. 639 (2009): 353–70. http://dx.doi.org/10.1002/qj.384.

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10

Gusyev, M. A., Y. Kwak, M. I. Khairul, et al. "Effectiveness of water infrastructure for river flood management – Part 1: Flood hazard assessment using hydrological models in Bangladesh." Proceedings of the International Association of Hydrological Sciences 370 (June 11, 2015): 75–81. http://dx.doi.org/10.5194/piahs-370-75-2015.

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Abstract. This study introduces a flood hazard assessment part of the global flood risk assessment (Part 2) conducted with a distributed hydrological Block-wise TOP (BTOP) model and a GIS-based Flood Inundation Depth (FID) model. In this study, the 20 km grid BTOP model was developed with globally available data on and applied for the Ganges, Brahmaputra and Meghna (GBM) river basin. The BTOP model was calibrated with observed river discharges in Bangladesh and was applied for climate change impact assessment to produce flood discharges at each BTOP cell under present and future climates. For

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11

Ioualalen, M., E. Pelinovsky, J. Asavanant, R. Lipikorn, and A. Deschamps. "On the weak impact of the 26 December Indian Ocean tsunami on the Bangladesh coast." Natural Hazards and Earth System Sciences 7, no. 1 (2007): 141–47. http://dx.doi.org/10.5194/nhess-7-141-2007.

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Abstract. The 26 December 2004 Indian Ocean tsunami damaged severely most of the Gulf of Bengal's coastal areas, but the coast of Bangladesh which stands at the edge of an extraordinarily extended continental shelf. This latter feature has been built through huge discharges of river sediments along the Brahmaputra and Ganges rivers. As a result of this enormous discharge, another interesting feature of the area is the deep underwater Canyon, connected with the estuaries, running NE-SW from 25 km off the coast towards the continental slope. We investigate here how these two geological features

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12

Bhanja, Soumendra N., Abhijit Mukherjee, R. Rangarajan, Bridget R. Scanlon, Pragnaditya Malakar, and Shubha Verma. "Long-term groundwater recharge rates across India by in situ measurements." Hydrology and Earth System Sciences 23, no. 2 (2019): 711–22. http://dx.doi.org/10.5194/hess-23-711-2019.

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Abstract. Groundwater recharge sustains groundwater discharge, including natural discharge through springs and the base flow to surface water as well as anthropogenic discharge through pumping wells. Here, for the first time, we compute long-term (1996–2015) groundwater recharge rates using data retrieved from several groundwater-level monitoring locations across India (3.3 million km2 area), the most groundwater-stressed region globally. Spatial variations in groundwater recharge rates (basin-wide mean: 17 to 960 mm yr−1) were estimated in the 22 major river basins across India. The extensive

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13

Moore, Willard S. "High fluxes of radium and barium from the mouth of the Ganges-Brahmaputra River during low river discharge suggest a large groundwater source." Earth and Planetary Science Letters 150, no. 1-2 (1997): 141–50. http://dx.doi.org/10.1016/s0012-821x(97)00083-6.

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14

Dietrich, Matthew, Kelsea B. Best, Jessica L. Raff, and Elli R. Ronay. "A first-order geochemical budget for suspended sediment discharge to the Bay of Bengal from the Ganges-Brahmaputra river system." Science of The Total Environment 726 (July 2020): 138667. http://dx.doi.org/10.1016/j.scitotenv.2020.138667.

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15

Mohit, Abdul Al, Yoshihiko Ide, Mitsuyoshi Kodama, Masaru Yamashiro, and Noriaki Hashimoto. "CONTRIBUTION OF LARGE RIVER SYSTEM ON WATER LEVEL DUE TO A STORM." Coastal Engineering Proceedings, no. 36 (December 30, 2018): 14. http://dx.doi.org/10.9753/icce.v36.currents.14.

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Bangladesh is a riverine country in South Asia, which contain about 700 big or small rivers. The major Ganges- Brahmaputra-Meghna river system makes the coast of Bangladesh more complex and disaster vulnerable area. This river system may or may not have its impact on the height of the water level due to a storm. This area is a suitable place for research, but there is no such mention of suitable research conducted in this area. Worth mentioning works done by some scholars are Dube et al. (2004), Agnihotri et al. (2006). All the works are important to the Bay-River interaction for the storm sur

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16

Singh, Umesh Kumar, and Balwant Kumar. "Climate change impacts on hydrology and water resources of Indian River basin." Current World Environment 13, no. 1 (2018): 32–43. http://dx.doi.org/10.12944/cwe.13.1.04.

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Anthropogenic greenhouse gas emission is altering the global hydrological cycle due to change in rainfall pattern and rising temperature which is responsible for alteration in the physical characteristics of river basin, melting of ice, drought, flood, extreme weather events and alteration in groundwater recharge. In India, water demand for domestic, industrial and agriculture purposes have already increased many folds which are also influencing the water resource system. In addition, climate change has induced the surface temperature of the Indian subcontinent by 0.48 ºC in just last century.

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17

Kibler, Kelly M., Robin K. Biswas, and Andrea M. Juarez Lucas. "Hydrologic data as a human right? Equitable access to information as a resource for disaster risk reduction in transboundary river basins." Water Policy 16, S2 (2014): 36–58. http://dx.doi.org/10.2166/wp.2014.307.

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Principles of equitable and reasonable use underpin international water agreements. Despite the potential for hydrologic information to enhance resilience to extreme events, comparable application of just principles to the distribution of hydrometeorological data is poorly established. Within the Ganges–Brahmaputra–Meghna (GBM) river basin, we find that water allocation agreements are codified into treaties or Memorandums of Understanding (MoUs). Analogous decisions regarding hydrometeorological data sharing are often internalized at the level of river basin organizations and are not upheld as

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18

Tiwari, Manish, Ashutosh K. Singh, and Rengaswamy Ramesh. "High-Resolution Monsoon Records Since Last Glacial Maximum: A Comparison of Marine and Terrestrial Paleoarchives from South Asia." Journal of Geological Research 2011 (August 23, 2011): 1–12. http://dx.doi.org/10.1155/2011/765248.

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Agricultural production and the availability of fresh water in Indian subcontinent critically depend on the monsoon rains. Therefore it is vital to understand the causal mechanisms underlying the observed changes in the Indian monsoon in the past. Paleomonsoon reconstructions show that the water discharge from the Ganges-Brahmaputra River system to the Bay of Bengal was maximum in the early to mid-Holocene; data from the Western Arabian Sea and Omanian speleothems indicate declining monsoon winds during the Holocene, whereas records from the South West Monsoon (SWM) precipitation dominated eas

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19

Hasson, S., V. Lucarini, and S. Pascale. "Hydrological cycle over south and southeast Asian river basins as simulated by PCMDI/CMIP3 experiments." Earth System Dynamics Discussions 4, no. 1 (2013): 109–77. http://dx.doi.org/10.5194/esdd-4-109-2013.

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Abstract. We investigate how CMIP3 climate models describe the hydrological cycle over four major South and Southeast Asian river basins (Indus, Ganges, Brahmaputra and Mekong) for the XX, XXI, and XXII centuries. For the XX century, models' simulated water balance and total runoff quantities are neither consistent with the observed mean river discharges nor among the models. Most of the models underestimate the water balance for the Ganges, Brahmaputra and Mekong basin and overestimate it for the Indus basin. The only modest inter-model agreement is found for the Indus basin in terms of preci

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20

Berube, Michelle, Katrina Jewell, Kimberly D. Myers, et al. "The fate of arsenic in groundwater discharged to the Meghna River, Bangladesh." Environmental Chemistry 15, no. 2 (2018): 29. http://dx.doi.org/10.1071/en17104.

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Environmental contextArsenic contamination of groundwater is a major environmental problem in many areas of the world. In south-east Asia, iron-rich reducing groundwater mixes with oxidising river water in hyporheic zones, precipitating iron oxides. These oxides can act as a natural reactive barrier capable of accumulating elevated solid-phase concentrations of arsenic. AbstractShallow, anoxic aquifers within the Ganges–Brahmaputra–Meghna Delta (GBMD) commonly contain elevated concentrations of arsenic (As), iron (Fe) and manganese (Mn). Highly enriched solid-phase concentrations of these elem

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21

Yoshimura, Toshihiro, Shigeyuki Wakaki, Hodaka Kawahata, et al. "Stable Strontium Isotopic Compositions of River Water, Groundwater and Sediments From the Ganges–Brahmaputra–Meghna River System in Bangladesh." Frontiers in Earth Science 9 (February 26, 2021). http://dx.doi.org/10.3389/feart.2021.592062.

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The Sr isotopic composition of rivers and groundwaters in the Bengal Plain is a major contributor to the global oceanic Sr inventory. The stable strontium isotope ratios (δ88Sr) provide a new tool to identify chemical weathering reactions in terrestrial water. In this study, we investigated the spatiotemporal variations of δ88Sr in samples of river water, bedload sediment, and groundwater collected from the Ganges–Brahmaputra–Meghna drainage basin in Bangladesh, which is known to strongly influence the 87Sr/86Sr ratio in seawater. The average δ88Sr values of waters of the Ganges, Brahmaputra,

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22

Yoshimura, Toshihiro, Daisuke Araoka, Hodaka Kawahata, H. M. Zakir Hossain, and Naohiko Ohkouchi. "The Influence of Weathering, Water Sources, and Hydrological Cycles on Lithium Isotopic Compositions in River Water and Groundwater of the Ganges–Brahmaputra–Meghna River System in Bangladesh." Frontiers in Earth Science 9 (July 23, 2021). http://dx.doi.org/10.3389/feart.2021.668757.

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The silicate weathering of continental rocks plays a vital role in determining ocean chemistry and global climate. Spatiotemporal variations in the Li isotope ratio (δ7Li) of terrestrial waters can be used to identify regimes of current and past weathering processes. Here we examine: 1) monthly dissolved δ7Li variation in the Ganges River’s lower reaches; and 2) the spatiotemporal variation of river water of the Brahmaputra, Meghna rivers, and groundwater in Bangladesh. From the beginning to maximum flood discharges of the rainy season (i.e., from June to September), Li concentrations and δ7Li

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23

Elahi, M. W. E., I. Jalón‐Rojas, X. H. Wang, and E. A. Ritchie. "Influence of Seasonal River Discharge on Tidal Propagation in the Ganges‐Brahmaputra‐Meghna Delta, Bangladesh." Journal of Geophysical Research: Oceans 125, no. 11 (2020). http://dx.doi.org/10.1029/2020jc016417.

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24

Mondal, Md Sanaul H., and Md Serajul Islam. "Chronological trends in maximum and minimum water flows of the Teesta River, Bangladesh, and its implications." Jàmbá: Journal of Disaster Risk Studies 9, no. 1 (2017). http://dx.doi.org/10.4102/jamba.v9i1.373.

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Bangladesh shares a common border with India in the west, north and east and with Myanmar in the southeast. These borders cut across 57 rivers that discharge through Bangladesh into the Bay of Bengal in the south. The upstream courses of these rivers traverse India, China, Nepal and Bhutan. Transboundary flows are the important sources of water resources in Bangladesh. Among the 57 transboundary rivers, the Teesta is the fourth major river in Bangladesh after the Ganges, the Brahmaputra and the Meghna and Bangladesh occupies about 2071 km2 . The Teesta River floodplain in Bangladesh accounts f

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25

"El-Nino/Southern Oscillation (ENSO): Recent Evolution and Possibilities for Long Range Flow Forecasting in the Brahmaputra-Jamuna River." Issue 3 8, no. 3 (2013): 179–85. http://dx.doi.org/10.30955/gnj.000377.

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The El Nino-Southern Oscillation is the dominant pattern of short-term climate variation, and is therefore of great importance in climate studies. Some recent studies showed the teleconnection between stream flow and the El-Nino Southern Oscillation (ENSO) of the equatorial Pacific Ocean. This paper presents an overview of the relationship between ENSO and stream flow in the Brahmaputra-Jamuna and the potential for wet season flow forecasting. This seasonal forecast of stream flow is very invaluable to the management of land and water resources, particularly

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