Chandan Mahanta
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View article: Assessing perception and adaptation to climate change impacts on mountain tourism in the Eastern Himalayas
Assessing perception and adaptation to climate change impacts on mountain tourism in the Eastern Himalayas Open
Climate change (CC) is the most severe challenges of the twenty-first century, which significantly impacts all the sectors including mountain tourism, particularly in the Himalayas, due to increased precipitation, cloudbursts, rising tempe…
View article: Gender Dynamics and Economic Impacts: The Feminization of Indian Agriculture in India
Gender Dynamics and Economic Impacts: The Feminization of Indian Agriculture in India Open
The phenomenon known as feminization of agriculture, which emerged in India after privatisation, refers to a rise in the proportion of women employed in farming. But feminization does not inevitably result in empowerment because female wor…
View article: Water Geochemistry and Stable Isotope Changes Record Groundwater Mixing After a Regional Earthquake in Northeast India
Water Geochemistry and Stable Isotope Changes Record Groundwater Mixing After a Regional Earthquake in Northeast India Open
Recorded earthquake‐induced changes in hydrogeological systems date back over 2,000 years. As a part of our ongoing hydrogeochemical monitoring effort to study such changes, we collected 406 groundwater samples twice a week between Februar…
View article: Optimizing crop planning in the winter fallow season using residual soil nutrients and irrigation water allocation in India
Optimizing crop planning in the winter fallow season using residual soil nutrients and irrigation water allocation in India Open
Effective management of water resources is essential for crop diversification and food security. This study proposes an Irrigation-Food-Environment-Chance-constrained Programming (IFEC) model for simultaneously optimizing crop planting are…
View article: Participatory design to investigate the effects of farmers’ fertilization practices under unsubmerged conditions toward efficient nutrient uptake in rainfed rice
Participatory design to investigate the effects of farmers’ fertilization practices under unsubmerged conditions toward efficient nutrient uptake in rainfed rice Open
Rainfed agriculture plays a vital role in providing food and livelihoods globally. However, its production is adversely affected due to uncertainty in rainfall patterns causing unsubmerged conditions during the dry period, which is increas…
View article: Data for Hierarchical Controls of Mixed Sediment Transport in a Series of Unsteady Flows
Data for Hierarchical Controls of Mixed Sediment Transport in a Series of Unsteady Flows Open
The dataset contain three files namely, cs_all, fluxes and case study data. 'cs_all' contains the cross-section data presented in the associated manuscript for all simulation cases. This data was used in the following figures in the associ…
View article: Data for Hierarchical Controls of Mixed Sediment Transport in a Series of Unsteady Flows
Data for Hierarchical Controls of Mixed Sediment Transport in a Series of Unsteady Flows Open
The dataset contain three files namely, cs_all, fluxes and case study data. 'cs_all' contains the cross-section data presented in the associated manuscript for all simulation cases. This data was used in the following figures in the associ…
View article: Intra‐Seasonal Variability in Sediment Provenance and Transport Processes in the Brahmaputra Basin
Intra‐Seasonal Variability in Sediment Provenance and Transport Processes in the Brahmaputra Basin Open
Sediment composition in modern fluvial settings is commonly assessed regarding spatial but rarely temporal variability, potentially leading to a bias of unknown extent. Here, we present the grain‐size distribution, bulk chemical and minera…
View article: Effects of COVID-19 lockdown on hydrochemical properties of the Brahmaputra River, India
Effects of COVID-19 lockdown on hydrochemical properties of the Brahmaputra River, India Open
Millions of the people in Assam- India, rely on the Brahmaputra River for survival. Hence, the assessment of the suitability of its water for drinking and agricultural use is of utmost necessity. The present research work assessed the wate…
View article: Significance of biological forcing on the spatio-temporal variability of carbon dioxide fluxes over the Northern Indian Ocean
Significance of biological forcing on the spatio-temporal variability of carbon dioxide fluxes over the Northern Indian Ocean Open
The oceanic uptake and release of carbon dioxide (CO2) play a critical role in global carbon cycle since oceans can act both as sink and source of CO2 which vary spatially and temporally. The ocean primary productivity has significant effe…
View article: Data for Intra-seasonal variability in sediment provenance and transport processes in the Brahmaputra basin
Data for Intra-seasonal variability in sediment provenance and transport processes in the Brahmaputra basin Open
No description provided.
View article: Data for Intra-seasonal variability in sediment provenance and transport processes in the Brahmaputra basin
Data for Intra-seasonal variability in sediment provenance and transport processes in the Brahmaputra basin Open
No description provided.
View article: Multimodel climate change projections of temperature for evapotranspiration scenarios and potential impact on the cropping system in Jamuna Command Area, Assam, Northeast India
Multimodel climate change projections of temperature for evapotranspiration scenarios and potential impact on the cropping system in Jamuna Command Area, Assam, Northeast India Open
North East India has a high potential for agricultural productivity, which is very vulnerable to climatic changes. Further limited surface water irrigation leads to rice-fallow mostly. Therefore, evapotranspiration (ET) assessment is essen…
View article: Historical data of flash flood and trend analysis information for Uttarakhand, India
Historical data of flash flood and trend analysis information for Uttarakhand, India Open
Historical data is always useful in interpreting any hazard-affected location. In this article historical data were gathered from various literature reviews, journals, newspapers, reports, and other sources to generate a flash flood map fo…
View article: Historical data of flash flood and trend analysis information for Uttarakhand, India
Historical data of flash flood and trend analysis information for Uttarakhand, India Open
Historical data is always useful in interpreting any hazard-affected location. In this article historical data were gathered from various literature reviews, journals, newspapers, reports, and other sources to generate a flash flood map fo…
View article: Predicting the distribution of arsenic in groundwater by geospatial machine learning technique in two worst hit districts of Assam, India: a risk to public health
Predicting the distribution of arsenic in groundwater by geospatial machine learning technique in two worst hit districts of Assam, India: a risk to public health Open
Arsenic (As) is a well-known human carcinogen and a significant chemical contaminant in groundwater. The spatial heterogeneity in the distribution of As in groundwater makes it difficult to predict the location of safe areas for tube well …
View article: A Mass Balance Approach in Sediment Budgeting of Large Alluvial Rivers with special emphasis on the Brahmaputra in Assam
A Mass Balance Approach in Sediment Budgeting of Large Alluvial Rivers with special emphasis on the Brahmaputra in Assam Open
Morphology of an alluvial river channel is the consequence of erosion, sediment transport and sedimentation in a river. Sediment budget accounts for the sources, sinks and redistribution pathways of sediments, solutes and nutrients in a un…
View article: Analysis of Non-Parametric Trend and Climatic Parameter Homogeneity Tests in a Data-scarce Region: A Spatio-Temporal Perspective in the Tawang River Basin, Eastern Himalayas
Analysis of Non-Parametric Trend and Climatic Parameter Homogeneity Tests in a Data-scarce Region: A Spatio-Temporal Perspective in the Tawang River Basin, Eastern Himalayas Open
This study is aimed at studying long–term historical and future (1950-2099) trends for the RCP 4.5 and RCP 8.5 on approximately 30-year timescale at annual and seasonal for precipitation and at annual, seasonal, monthly, and diurnal temper…
View article: Application of Grain-Size End-Member Modelling in Bed Sediments of the Brahmaputra River
Application of Grain-Size End-Member Modelling in Bed Sediments of the Brahmaputra River Open
Superimposed signatures of grain size effect, lithology and chemical processes on fluvial sediments need to be resolved to answer the profound research questions related to sediment provenance and processes. Hydraulic forces sort the sedim…
View article: Dynamics of air–sea carbon dioxide fluxes and their trends in the global context
Dynamics of air–sea carbon dioxide fluxes and their trends in the global context Open
This article reviews the dynamics of CO 2 fluxes in the global scenario.Most of the available techniques for sea-surface CO 2 partial-pressure estimation are regional models that depend on the key regulating parameters of partial pressures…
View article: The Spectre of SARS-CoV-2 in the Ambient Urban Natural Water in Ahmedabad and Guwahati: A Tale of Two Cities
The Spectre of SARS-CoV-2 in the Ambient Urban Natural Water in Ahmedabad and Guwahati: A Tale of Two Cities Open
COVID-19 positive patients can egest live SARS-CoV-2 virus through faecal matter and urine, raising concerns about viral transmission through faecal-oral route and/or contaminated aerosolized water. These worries are heightened in many low…
View article: Hydrogeochemistry of intermittent alluvial aquifers controlling arsenic and fluoride contamination for corresponding influencing health risk assessment
Hydrogeochemistry of intermittent alluvial aquifers controlling arsenic and fluoride contamination for corresponding influencing health risk assessment Open
Identification and management of safe groundwater supply in a high As and F − contaminated region is a major concern facing most of the developing countries worldwide. This study provides a comprehensive hydrogeochemistry result for a comp…
View article: A Novel Approach to Calculate Braiding of a Large Alluvial River
A Novel Approach to Calculate Braiding of a Large Alluvial River Open
Braiding pattern in sixteen reaches of the Brahmaputra river in Assam, India is discussed.A new braiding index has been introduced incorporating a fraction of area covered by sandbars, number of midchannel bars and maximum width of alluvia…
View article: Brahmaputra river in India: An analytical study with special reference to its erosion.
Brahmaputra river in India: An analytical study with special reference to its erosion. Open
The complex and unique riverbank erosion characteristics of the Brahmaputra River in India, the fourth largest river in the world in terms of average discharge at the mouth and second only to the Yellow River in China in the amount of sedi…