Pankaj Kumar Roy

Pankaj Kumar Roy
Jadavpur University | JU · School of Water Resource Engineering

Ph.D.

About

302
Publications
116,756
Reads
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1,093
Citations
Citations since 2016
138 Research Items
793 Citations
2016201720182019202020212022050100150
2016201720182019202020212022050100150
2016201720182019202020212022050100150
2016201720182019202020212022050100150

Publications

Publications (302)
Article
Full-text available
Any hydrological model can be used to plan and evaluate the water resources of a particular basin and provide a comprehensive idea of flood disasters. In this article, the MIKE NAM model in the MIKE HYDRO RIVER environment is used as a long-term plan to integrate rainfall-runoff analysis with the hydrodynamic condition through the flood region, enc...
Article
Full-text available
The present study identifies drought risk zones in a river basin by analysing Landsat images from three selected precipitation deficit years (2000, 2009 & 2018). A set of seven parameters including standard precipitation index (SPI), long-term temperature condition index (TCI), long-term vegetation condition index (VCI), vegetation health index (VH...
Article
Full-text available
One of the natural disasters caused by river meandering is riverbank erosion, which creates social, economic, and environmental problems in the riparian zone and serves as a source of increasing sedimentation levels in the river. Riverbank erosion and bank failure create a complex cyclical process, such as riverbank retreat, which cannot be easily...
Article
Full-text available
Identification of groundwater potential zone has become a prime concern for the developing countries, where the dependency of groundwater is more, because of the increasing demand for water for irrigational uses. Furthermore, the rapid population growth is hindering the aquifer recharge process by altering the land use land cover (LULC) of any regi...
Article
All over the world the growth in traffic volume particularly in urban area has become serious concern. As a result, the traffic congestion is increasing and subsequently noise pollution is also increasing. It has been observed that major part of urban roads are constructed with asphalt pavement and the surface of this type of pavement is impervious...
Chapter
Full-text available
Floods are one of the most inevitable natural disasters that have occurred over time. Floods not only harm people but also livestock and property and, above all, generate the problem of land loss. Currently, the incidence of floods is increasing due to the variability of the weather and the variable nature and amount of rainfall. There are many riv...
Article
The non-planned development of cities has created numerous problems especially with respect to waste material management system. Many aspects of environmental impact of waste material disposal methods are not addressed properly in normal planning system. Thus Environmental Impact Assessment with respect to different waste management techniques is i...
Article
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Increasing urbanization and growth of population have increased the demand for various water resources especially the groundwater resources in Sagar Island, South 24 Parganas, West Bengal, India. Thus Groundwater resources should be managed properly with the application of various scientific propositions and modern techniques. In this research, ide...
Article
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Lakes are known to be the bearers and carriers of any ecosystem. Lakes appropriately assist in local weather regulation in a growing urban area. But as urban areas expand, these urban lakes continue to shrink, and the impact of the urban heat island (UHI) on these lakes continues to grow. This paper highlights the impact of land use change on the u...
Article
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Background This study focussed on effective bibliometric analysis of research on Ramsar sites in India within the last 30 years using VOS viewer software. The study focused on the estimation of the current areal extent and meteorological impact on wetland together with bibliometric analysis. The online data source of Web of Science has been used to...
Conference Paper
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The distribution of ionic form of fluoride is uneven in the environment. Fluorides may be present in nature and also may be generated from anthropogenic activities. The permissible limit for fluoride in drinking water is 1.5 mg/l as per WHO guidelines. Higher than this level affect both teeth and bone, resulting in dental, skeletal fluorosis and no...
Chapter
Full-text available
Changes in rainfall also affect the runoff of a particular area with sediment yield. The idea of runoff and sediment yield is very essential to conserve water and soil as part of a specific watershed management plan. This paper represents an integrated approach based on remote sensing (RS), geographical information system (GIS), and hydrological mo...
Chapter
Full-text available
Land use land cover dynamicity over a region primarily depends on numerous physiographical factors like relief, slope, drainage, etc. A rhythmic correlation between these factors will promote sustainable land use land cover practices within a region. Likewise in a low relief area having a good drainage cover permits the development of settlement an...
Chapter
Oil spills have such a severe economic impact on marine activities and on those who use the estuarine ecosystem’s resources. This disruption is reversible in most situations and is mainly caused by physical properties of the oil, causing disturbance and hazardous conditions. Toxicity and diluting massive increase from the chemical structure of the...
Article
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Wetland acts as a biological supermarket and helps to determine people’s lives, livelihoods and needs. In third world countries like India, wetlands are suppressed by over populated surroundings. Although the size, volume and depth of wetlands change due to the whims of the weather, and water pollution and sedimentation are caused by various human...
Article
With the lapse of time, attempts are being made to find out alternative materials as sources of energy to meet the increasing energy demand. Present work aims at energy harvesting from pedestrian movement over piezoelectric material with or without rubber strips. Pedestrian data have been collected from six locations of Agartala city, India. To get...
Article
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Sediment deposition is a significant feature of a dynamic floodplain river. As the river's carrying capacity decreases, it is forced to deposit sediment on the river bed. However, due to the construction of some hydraulic structures over the river bed at different times (bridges, dams), the velocity of the river in the floodplain area decreases wit...
Article
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Groundwater crisis is playing a serious concern in the Shilabati river basin located in a tropical plateau fringe region of the south eastern part of West Bengal, India. The river rises from the geological structure of Chotonagpur gneissic complex where groundwater recharge is very poor and is affected by yearly drought scenarios with a prolonged s...
Article
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In this article, we explored how to determine the water productivity of wetlands in a compact and evolving basis with geographic information systems and agro-climatic models. Our research aimed to use the AquaCrop model to determine the extent to which the wetlands in the Bhagirathi-Hooghly Basin in South West Bengal, India, have used their water p...
Article
The groundwater quality has undergone a change to such an extent that the use of it could be risky and hazardous due to arsenic contamination. The presence of excess arsenic (> 0.01 mg/L) is area-specific, and the sources of contamination are mostly natural and geogenic. Arsenic-free safe drinking water can be supplied in affected areas by applying...
Article
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Soil erosion induced by physical and anthropogenic activities needs serious concern to deal with. In recent days, watersheds have been facing acute soil loss because of deforestation, poor land use management and unscientific agricultural practices. The present paper highlights the goal to decipher soil erosion-susceptible zones in a rain-fed river...
Article
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We have done a qualitative and quantitative analysis of Ganga River water in two areas namely Palta and Diamond Harbour, in the state of West Bengal, India. Anthropogenic activity is very high in these regions. Restriction of human activity near river basins due to the prolonged COVID-19 lockdown has brought remarkable changes in the environment. A...
Chapter
Forests affect the hydrology of watersheds in various ways with different hydrological parameters such as evapotranspiration, infiltration, intercepting cloud moisture, surface runoff, and groundwater. Sikkim, a part of northeastern India, a hilly area, is basically a critical terrain condition, and collection of secondary and primary data might be...
Article
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Indigo Carmine dye is very toxic in nature and it is widely used for many industrial purposes especially in textile industries. The use of environment-friendly catalytic-adsorbent materials in the treatment of Indigo Carmine was studied in this experiment. The nanocomposite used in this study was prepared using lanthanum oxide nanoparticle–graphene...
Chapter
Full-text available
Management of water resources scenario both for surface and groundwater resources has been a global concern in the recent decade. Various methods have been applied to enhance the present water resource potentiality and also to maintain its overall status. In this paper, a bibliometric observation has been made on 147 highly cited publications to id...
Chapter
The entire world is facing serious problems with the emergence of pathogensPathogen in water environment; aroused due to antibacterial resistance. Bacteria evolve multiple mechanisms to survive the treatment with strong oxidants (disinfectants) and antimicrobial agents. Chlorine disinfectants are commonly used for water treatment, due to its low-co...
Chapter
Presently, waste to energy conversion is a leading technology throughout the World due to diminishing fossil fuels day by day. By anaerobic digestion process producing methane-rich biogas from wastes as an alternative source of energy that can fulfil the energy demand in future with depletion of the waste volume. In Kolkata city, a major issue is h...
Chapter
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Arsenic is most precarious element in the chemical world and excessive presence in drinking water can cause disaster. In West Bengal 104 blocks of 11 districts are poorly affected, which is one of the worst instances in Indian arsenic scenario. Several conventional technologies are used for arsenic removal from contaminated water. In this study a C...
Chapter
Soil–water relationship plays very important role in ecosystem and plant indirectly controls the relationship. The vegetation cover decides the rate of infiltration, soil erosion and run-off to some extent. In this study the relationship is studied under different land use pattern in northern part of West Bengal. Neora is an important tributary of...
Chapter
The trend of frequency of rainfall events in India and their duration shows that there has been an increasing tendency of heavy rain days and decreasing tendency of moderate rain days coupled with a rising trend in short spell as well as dry spells since the middle of the last decade. But the variation of rain days and spells do not follow a regula...
Chapter
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Being one of the rapidly developing countries of the world, India has become the heart of unstructured civil construction and demolition of the same. The old structure was demolished after completion of life span and started new construction works. Adding on to the existing issue of waste management and lack of landfills, the demolished materials i...
Chapter
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A drought is a condition of a drier period that prevails over an area when normal rainfall decreases for weeks, months or even years. Its consequences mainly include water-related issues which seem to come then we can understand about this climate-induced hazard. The present study has shown that the Shilabati river catchment is located in one of th...
Chapter
As commonly known, qualitative and quantitative assessment of groundwater poses substantial challenges toward determining the best use to maintain the balanced aquifer at any point of time for the fulfillment of the needs of society. Hence, for a certain location at a given time, the overall quality of water can be represented by a number called Wa...
Chapter
The purpose of this studies is to investigate the water quality of drinking water (DW) resource in Habra Block-II under North 24 Parganas District of Gangetic West Bengal, India with an objective to analyse groundwater quality in respect to suitability for drinking and highlighting the extent and magnitude of arsenic contamination. Totally eighty g...
Chapter
Rivers are one of the bearers and carriers of any civilization and play an important role in the development of civilization and culture. The Ganges and the Nile rivers have contributed a lot to the development of two ancient civilizations, India and Egypt. Research of these areas might characterize as research led by economists, socialists, and en...
Chapter
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India and Bangladesh are the major countries affected by arsenic contamination in groundwater. These countries in collaboration with the various national and international organizations have installed Arsenic and Iron Removal Plants (AIRPs)Arsenic and Iron Removal Plants with different technologies to mitigate this problem. This study was conducted...
Chapter
Hexavalent Chromium (Cr (VI)) is known for its toxic, carcinogenic and mutagenic property. The present study showcases the adsorptionAdsorption capacity of sawdust in Cr (VI) in its raw as well as carbonaceous form. Batch parameter optimization was done to know the removal efficiency of the sawdust and its derivatives. The parameters optimized are...
Chapter
Soil loss is one of the major distress in any watershed where natural agents and anthropogenic activities predominate. Quantitative evaluation of soil loss is a prerequisite for proper planning and effective conservation of watershed or basin. Nowadays various approaches of modelling techniques help to estimate soil loss under a wide range of condi...
Chapter
Surface and sub-surface flow and storage characteristics are inducing an acute need to study them in a sustainable manner in terms of their quantitative and qualitative approach. Rural and urban patches all over the world are facing drastic and severe demand of water resources that enables them to sustain life. Salinity, inorganic and organic conta...
Chapter
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River basin characterization is an important parameter to understand the hydrogeological behavior of a particular area. The river basin quantification in terms of various morphometric analyses is the main theme of this work, to give an overview of the interrelationship between the physiography and morphological aspects of that region. Kuya RiverAre...
Chapter
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Wetlands are the essential equipment of our natural environment which is both ecologically and economically quintessential system due to their excessive yield. About half of global wetlands have been abolished from earth surface and most of the remaining is showing environmental degradation due to natural as well as anthropogenic causes. So the res...
Chapter
Arsenic is one of the toxic elements for human health when it is entered into the human body at a high range for a prolonged time and reported as one of the world’s extreme natural groundwater calamities. Several technologies are used towards the mitigation of arsenic from contaminated groundwater to supply arsenic-free drinking water. However, the...
Preprint
East Kolkata Wetlands area has been declared as Ramsar Site under Article 8 in the year 2002 by Ramsar Bureau of Convention on Wetlands of International importance. Resource-reutilisation is practiced here for a long period of time. Wastewater inflow from adjoining Kolkata city and parts of South and North 24 Parganas districts in this region flows...
Article
Full-text available
Cadmium being a heavy metal, which is also a known pollutant, had a wide variety of usage in many industries like electro-plating industries, phosphate fertilizers, batteries, mining, stabilizers, pigments, and alloys. In this study, sawdust was used to produce the nanocoated adsorbent. Sawdust is non-hazardous low-cost waste materials and easily a...
Article
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In this study, seven different nanocoated carbonaceous materials was synthesized using hydrothermal method. Graphene oxide and activated carbon from biochar of sawdust were used as matrix materials, and the coating materials used were mainly nanoparticles, lanthanum oxide, cerium oxide, zirconium oxide, and cellulose. The adsorption capacities of t...
Chapter
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Land reclamation is a common problem in the cities. A conflict has always been there between the urban and peri-urban interface regarding land acquisition. Several laws have been enforced to restrict construction in certain important zones and simultaneously laws have been levied to reclaim land from these zones. Thus, enactment of laws is not suff...
Chapter
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The amount of urbanization and industrialization on both side of the river has increased vigorously in recent times. This social and economic development process resulted in effuse untreated water from sewers and industrial areas carried from villages and towns to the rivers. The effused water contains a large amount of heavy toxic metal , which is...
Article
Aqueous-stable, Cd- and Pb-free colloidal quantum dots with fluorescence properties in the second near-infrared region (NIR-II, 1000-1400) are highly desirable for non-invasive deep-tissue optical imaging and biosensing. The low band-gap semiconductor, silver chalcogenide, offers a non-toxic and stable alternative to existing Pd, As, Hg and Cd-base...
Chapter
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Wetlands are a vital natural water resource which delivers directly or indirectly numerous facilities and possessions to nearby people as well as those people who live far from the wetland area. It plays a dynamic role, including the source of nutrition, firewood, fresh water, groundwater recharge, water purification, conservation of biological div...
Article
Removal of strontium was studied by an efficient sustainable and environmentally friendly nanocomposite, prepared from thermally activated and chemically modified sawdust coated with graphene oxide nanoparticle. The adsorbent used in this study efficiently removed strontium from synthetic aqueous solution. Batch study and fixed-bed column study wer...
Article
Full-text available
The priority assessment of erosion susceptible zone in a drainage basin is an important approach to diminish various environmental threats related to soil erosion. In a large drainage basin, management and conservation of the entire area at an optimum level is sometimes inefficient due to lack of human resources and financial strength. Therefore it...
Article
Full-text available
Meandering is the winding curve or bends in a river within the floodplain area. Though it is a natural process, it affects the populace by the resultant effect of lateral migration with bank erosion in the floodplain area. The present sub-catchment basin (Nabadwip–Kalyani stretch) of the Bhagirathi-Hooghly river is a vital lifeline of southern West...
Article
Waste generation prediction is a vital component to planning of rural solid waste management. Based on the past statistical data mathematical model can be develop but incorporation of new data cannot be done. In this situation advance model need to be developed, which can predict. Fuzzy logic may be one option for develop such model because dynamic...
Article
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Groundwater crisis under the changed climate scenario has now become a global concern. Land use and land cover change and rapid urbanization are some of the prime causes of it. Aquifers are in a vulnerable condition due to the extensive abstraction and over exploitation as the groundwater draft exceeds the groundwater recharge. It is in this contex...
Article
Full-text available
The fluoride content in drinking water is an existing concern for public health engineers and water scientists. An optimum concentration of fluoride in drinking water has beneficial effect including the prevention of dental caries and calcification of dental enamel for the children. However, on the contrary, excess fluoride content over permissible...
Article
Full-text available
Arsenic contamination in groundwater and its consequences to the human health has been reported as one of the world’s biggest natural groundwater calamity to the mankind. People in these affected states have chronically exposed to drinking Arsenic contaminated hand tube-wells water. One of the urgent steps towards mitigation of arsenic contaminatio...
Article
The environmental impact assessment of rural solid waste management in West Bengal was to evaluate using the RIAM model to take into account waste generation, collection, transportation, disposal technology, and energy recovery. The waste management system created many problems not only for the large cities but for the rural areas also. Environment...
Article
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biswas Roy M., kuMaR a., Ghosh a., Roy P.k., 2020. Study to develop a co-relationship between water quality and land use pattern as index of riverine wetland with statistical approach. Quaestiones Geographicae 39(1), Bogucki Wy-dawnictwo Naukowe, Poznań, pp. 33-43. 7 figs, 5 tables. abstRact: This investigation additionally recognizes partner coope...
Article
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Global water demand has far exceeded the total available water resources which in turn have put a serious concern on food security. Changes in the land use and land cover scenario and rapid population growth are putting unavoidable stress over the water resources of the nation. The Indian aquifer system is facing an acute crisis due to the unscient...