Mohammed Abed Hossain

Bangladesh University of Engineering and Technology | BUET · Institute of Water and Flood Management

Accumulation of heavy metals at elevated concentration and potential of considerable amount of the accumulated heavy metals to reach the soil system was observed from earlier studies in soakaways sediments within an infiltration facility in Tokyo, Japan. In order to understand the competitive adsorption behaviour of heavy metals Zn, Ni and Cu in so...

Heavy metals speciation analysis was carried out on sediment samples accumulated within soakaways in an old stormwater infiltration facility in Tokyo, Japan and on a soil core sample collected near the facility. Heavy metals content in soakaways sediments were much elevated compared to nearby surface soil with the content for Zn, Pb and Cd reaching...

The overall objective of the study is to investigate the future salinity distributions and residual flow scenarios in the northern Bay of Bengal taking into consideration of the change in hydrological and meteorological parameters. Observed and projected meteorological data are employed to generate present and future scenarios in the Northern Bay o...

Bangladesh is highly vulnerable to climate change impacts and adaptation is the only viable option to deal with this phenomenon. This paper provides an overview of the climate change adaptations in the country which includes spatial and sectoral distribution, aims and timings, stresses and shocks addressed, etc. An inventory was prepared with docum...

River water quality in rapidly urbanising Asian cities threatens to damage the resource base on which human health, economic growth and poverty reduction all depend. Dhaka reflects the challenges and opportunities for balancing these dynamic and complex trade-offs which goals can be achieved through effective policy interventions. There is a seriou...

River pollution through the discharge of untreated sewage and industrial effluent is a perverse outcome of rapid urbanisation and economic growth across Asia. To understand the socio-spatial and seasonal inequalities in pollution risks, we designed a direct observation method to record people’s daily river use activities across dry and wet seasons,...

A new multibranch Integrated Catchment (INCA) model INCA-Metals has been developed to simulate the impact of tannery discharges on river systems. The model accounts for the key chemical reaction kinetic processes operating as well as sedimentation, resuspension, dilution, mixing and redistribution of pollutants in rivers downstream of tannery disch...

River pollution through the discharge of untreated sewage and industrial effluent is a perverse outcome of rapid urbanisation and economic growth across Asia. To understand the socio-spatial and seasonal inequalities in pollution risks, we designed a direct observation method to record people's daily river use activities across dry and wet seasons,...

River pollution through the discharge of untreated sewage and industrial effluent is a perverse outcome of rapid urbanisation and economic growth across Asia. To understand the socio-spatial and seasonal inequalities in pollution risks, we designed a direct observation method to record people's daily river use activities across dry and wet seasons,...

The Ganges-Brahmaputra-Meghna (GBM) Delta and its catchment area are shared between five countries which means that the delta is strongly influenced by neighbouring country’s water and sediment management decisions in addition to climatic, environmental and internal management. Delta administration is also shared between Bangladesh and India, inclu...

The Hazaribagh industrial area in Dhaka city, the capital of Bangladesh, is considered one of the hotspots of chromium (Cr) pollution, due to excessive discharge of Cr contaminated waste over decades by approximately 150 tanneries. In 2000, elevated Cr concentrations were observed in the underlying Dupi Tila Aquifer (DTA), which is heavily deployed...

In response to prevailing classification inconsistency between land cover maps, developed by different organizations in different times at different scales, an object-based National Land Representation System (NLRS) for Bangladesh has been developed. The process, which began in 2013 and was completed in 2016, brought together several national organ...

Heavy metal pollution from tanneries is a global problem in many rapidly developing economies. Effluent discharges into rivers cause serious problems for water quality, damaging ecology and threatening the livelihoods of people, especially in developing urban centres which often have a high concentration of factories. The industry intensive capital...

This study investigated the vertical accuracy of satellite elevation data and its effect on flood and substance transportation analysis by using a two-dimensional flood simulation model. SRTM, AW3D, and ASTER GDEM satellite elevation data for East Dhaka, Bangladesh were used for evaluating the vertical accuracy and conducting numerical analyses. A...

The Tongi Khal marking the northern boundary of Dhaka is highly polluted with industrial and municipal waste. A part of the pollution load reaches the floodplain with monsoon floods increasing the spatial extent and exposure risk, which was investigated for Uttarkhan area located on the right bank of the Tongi Khal opposite to the Tongi industrial...

In rapidly developing economies, untreated wastewater is a serious and growing problem. Untreated wastewater impacts human health and well-being, economic growth and ecosystems. The poor and vulnerable are often most at risk. Sustainable Development Goal (SDG) 6.3 aims to improve water quality by reducing pollution, eliminating dumping, and minimis...

The Cox’s Bazar region at the southeastern coast of Bangladesh has been gradually changed from a rural settlement into a densely populated urban area, caused by the rapid growth of tourism. Water demand is mainly covered by groundwater, and the hotels and resorts are typically operating their own groundwater wells without metering and regulations....

The impact of cyclone track features (e.g., cyclone translation speed, cyclone path and cyclone landfall crossing angle) in combination with tidal phase shift upon surge characteristics have been investigated at the Bay of Bengal along the Bangladesh coast. A two-dimensional hydrodynamic model in a horizontal direction (2DH) coupled with a storm-su...

Bangladesh is highly vulnerable to climate change impacts and adaptation is the only viable option to deal with this phenomenon. This paper provides an overview of the climate change adaptations in the country which includes spatial and sectoral distribution, aims and timings, stresses and shocks addressed with, etc. An inventory was prepared with...

There is a serious problem of water pollution in central Dhaka, in the Turag-Tongi-Balu River System. Dissolved Oxygens are close to zero in the dry season, there is very high organic pollution loading, plus high ammonia and large numbers of pathogens in the water. Factories along the river discharge pollutants with dangerous contaminants, runoff f...

The Sylhet division on the northeast part of Bangladesh is mostly low lying area where the deepest points are below mean sea level. Surrounded by hills of Meghalaya of India, the area suffers from large volume of flood flow during flash flood from transboundary rivers on pre-monsoon which causes inundation and enormous losses to roads and other inf...

The tidal dominancy and widely varying discharge, sediment load, seasonality, and particle size gives the estuaries of the Ganges-Brahmaputra-Meghna (GBM) delta very unique characteristics. The main focus of this study is to assess the spatial distribution of water pH, alkalinity, salinity, electrical conductivity (EC), phosphate and sediment conce...

Field investigations have been conducted at the north-eastern part of the Meghna Estuary to collect tidal water level, velocity and turbidity. It is found that strong vertical as well as horizontal tidal asymmetry exists around the highly accreting Urir Char Island of the Meghna Estuary. Along the northern channel of Urir Char Island flood velocity...

The objective of the present study is to apply satellite images (PALSAR) to obtain frequent and accurate coastline data in the Meghna Estuary area of Bangladesh and also utilize the high resolution images to investigate some of the hydro-morphological features of the estuary. Bathymetry of the Meghna Estuary was obtained from the GEBCO 30” free sou...

Organic matter is one of the most important factors in heavy metals mobility in soil and sediment. This study investigated the organic matter composition and metallic elements in the road sediment particles of four sizes < 75 μm, 75 to 180, 180 to 800 μm and 800 to 2000 μm collected from fine land-use types in Ulsan, which is the largest industrial...

In this article, a 3D numerical model has been applied for the simulation of residual currents in the Meghna Estuary, situated at the northern Bay of Bengal. Relevant meteorological and hydrological data at the Meghna Estuary has been analyzed to identify the seasonal variation which has been employed as model input. Numerical investigations reveal...

On November 15, 2007, Bangladesh was hit by the category 4 storm Severe Cyclonic Storm Sidr. At least 3,447 deaths were reported in coastal areas of Bangladesh, mainly owing to the storm surge, which was >5 m. A study team of several faculty members of Bangladesh University of Engineering and Technology (BUET) was formed to visit areas affected by...

A study was undertaken to assess the adverse impact of water resources development proejct on fish biodiversity in the southwestern Bangladesh. Two projects, one in operation for 10 years and another still in its early construction phase were selected through literature informtion and field reconnaisance with the latter included as a control. Prima...

Seasonal variation of residual currents in the Meghna Estuary, located at the northern part of the Bay of Bengal, has been investigated through the use of a 3D numerical model. Residual current in the Meghna Estuary appears to be strongly influenced by tidal currents and Coriolis Effect under average meteorological and hydrological conditions of fo...

The infiltration facilities on a side of the road along with a sewage system have been constructed in 80's in highly urbanized residential area in Tokyo. Sediment samples deposited frequently during wet weather periods in infiltration soakaways were collected and heavy metals (Cr, Mn, Co, Ni, Cu, Zn and Pb) were analyzed. Wide range of spatial vari...

Soakaways sediment samples, differentiated on the basis of accumulated sediment depth, were collected from an infiltration facility in Tokyo, and subject to heavy metals content and speciation analysis for the metals Cr, Ni, Zn, Cu, Cd and Pb. The heavy metals content were found several times higher in sediments compared to surface soil indicating...

The infiltration inlet facilities on the side of the road along with the sewage system have been constructed two decades ago in highly urbanized residential area in Tokyo. Possible release of heavy metals from the infiltration inlet was studied by analyzing sediment samples in different vertical depth. Seven heavy metals (Cr, Mn, Co, Ni, Cu, Zn and...

Heavy metals speciation analysis was carried out on sediment samples accumulated within soakaways in an old stormwater infiltration facility in Tokyo, Japan and on a soil core sample collected near the facility. Heavy metals content in soakaways sediments were much elevated compared to nearby surface soil with the content for Zn, Pb and Cd reaching...

Stabilization of heavy metals (Pb, Cr, Hg and Cd) present in industrial sludge by solidification through concrete mix may offer a safe disposal option. Sludge samples were collected from two industries, one from a knitwear industry and the other from a dyeing industry. These were first analyzed for a number of organic and inorganic parameters. A to...