R. Bhatla
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View article: Spatio-temporal variations in air pollutants and their impact on wheat crop production in eastern Uttar Pradesh
Spatio-temporal variations in air pollutants and their impact on wheat crop production in eastern Uttar Pradesh Open
Recently, air pollutants have posed significant hazards to agricultural production, emerging as a critical risk to global food security. To address this issue, the study examines the spatio-temporal variability of air pollutants, specifica…
View article: Machine learning models for estimating criteria pollutants and health risk-based air quality indices over eastern coast coal mine complex belts
Machine learning models for estimating criteria pollutants and health risk-based air quality indices over eastern coast coal mine complex belts Open
Estimating criteria pollutants is crucial due to their continuous increase and impact on respiratory health. To mitigate the impact of air pollution on human health, it is essential to understand the concentration of air pollutants at spec…
View article: Examining the salinity changes at different depths in the Indian Ocean prior to summer monsoon season and its connection to monsoon arrival in India :A case study
Examining the salinity changes at different depths in the Indian Ocean prior to summer monsoon season and its connection to monsoon arrival in India :A case study Open
View article: Evaluation of <scp>3D</scp>‐Var and <scp>4D</scp>‐Var data assimilation on simulation of heavy rainfall events over the Indian region
Evaluation of <span>3D</span>‐Var and <span>4D</span>‐Var data assimilation on simulation of heavy rainfall events over the Indian region Open
The present study delineates the relative performance of 3D‐Var and 4D‐Var data assimilation (DA) techniques in the regional NCUM‐R model to simulate three heavy rainfall events (HREs) over the Indian region. Four numerical experiments for…
View article: Exploring the Geological and Climatic Influences on Land Subsidence in Joshimath
Exploring the Geological and Climatic Influences on Land Subsidence in Joshimath Open
The town of Joshimath, situated in the Chamoli district of Uttarakhand and is located in a fragile Himalayan ecosystem which is highly prone to land subsidence due to its geological features. This study evaluates the climatic factors drivi…
View article: Seismic Signature of the Super Cyclone Amphan in Bay of Bengal Using Coastal Observatories Operating Under National Seismological Network of India
Seismic Signature of the Super Cyclone Amphan in Bay of Bengal Using Coastal Observatories Operating Under National Seismological Network of India Open
We examined the seismic noise data collected from coastal and inland observatories in India, affected by the super cyclonic storm Amphan in the Indian Ocean, to understand the storm dynamics. Prominent disturbances in the 0.05–0.50 Hz freq…
View article: Assessment of Rainfall Variability in Ladakh amidst of evolving Climate
Assessment of Rainfall Variability in Ladakh amidst of evolving Climate Open
Ladakh is characterized by a cold desert and fragile ecosystem that is geographically connected to the Western Himalaya and highly susceptible to changing climate. In the current scenario, the region is receiving more extreme rain events, …
View article: Fidelity of WRF model in simulating heat wave events over India
Fidelity of WRF model in simulating heat wave events over India Open
View article: Numerical Modelling of tsunami wave to assess the possible impacts along western coasts of India
Numerical Modelling of tsunami wave to assess the possible impacts along western coasts of India Open
Numerical modelling of tsunami waves has been made for the western coasts of India using TUNAMI N2 code. In this study the fault parameters are considered from earlier published literatures. Bathymetry data and possible tsunami generation …
View article: A long-term drought assessment over India using CMIP6 framework : present and future perspectives
A long-term drought assessment over India using CMIP6 framework : present and future perspectives Open
Research on the characteristics and spread of droughts has progressed significantly for future climate scenarios. However, studies on drought mitigation in relation to climate change have been largely inadequate. This study focuses on the …
View article: Variations in Indian Summer Monsoon Rainfall patterns in Changing Climate
Variations in Indian Summer Monsoon Rainfall patterns in Changing Climate Open
The Indian summer monsoon is a large scale synoptic and dominant circulation feature which is largely restricted to the summer months from June to September. The proper understanding of rainfall pattern and its trends may help water resour…
View article: Will Warming Climate Affect the Characteristics of Summer Monsoon Rainfall and Associated Extremes Over the Gangetic Plains in India?
Will Warming Climate Affect the Characteristics of Summer Monsoon Rainfall and Associated Extremes Over the Gangetic Plains in India? Open
The Indo‐Gangetic Plain (IGP) bears great agricultural importance and contributes to a major share of national GDP of India. In present study, a location‐specific comprehensive analysis of rainfall extremes over IGP, using second generatio…
View article: Epochal Changes in the Intrinsic Nature/Dynamics of Flood and Drought During Indian Summer Monsoon
Epochal Changes in the Intrinsic Nature/Dynamics of Flood and Drought During Indian Summer Monsoon Open
The basic and derived meteorological parameters, are important factors that affect the epochal changes of monsoonal drought/flood events which consequently influence the socio‐economic aspects of India. The anomalous tricade departure of p…
View article: Changes in tropospheric ozone concentration over Indo-Gangetic Plains: the role of meteorological parameters
Changes in tropospheric ozone concentration over Indo-Gangetic Plains: the role of meteorological parameters Open
View article: Signals of northward propagating Monsoon Intra-seasonal Oscillations (MISOs) in the RegCM4.7 CORDEX-CORE simulation over South Asia domain
Signals of northward propagating Monsoon Intra-seasonal Oscillations (MISOs) in the RegCM4.7 CORDEX-CORE simulation over South Asia domain Open
The northward propagation of intra-seasonal oscillations (ISO) is closely associated with the seasonal and sub-seasonal cycle of the Indian summer monsoon (ISM). This northward propagating monsoon ISO (MISO) is prominent at 25–90 days duri…
View article: Comprehensive assessment of RegCM4 towards interannual variability of Indian Summer Monsoon using multi-year simulations
Comprehensive assessment of RegCM4 towards interannual variability of Indian Summer Monsoon using multi-year simulations Open
In this study, the Interannual variability (IAV) of Indian Summer Monsoon (ISM) is investigated using multi-year (1982‒2016) seasonal scale simulations (May‒September) of the regional climate model RegCM4 developed by International Center …
View article: El Nino/La Nina and IOD impact on Kharif Season Crops Over Western Agro-Climatic Zones of India
El Nino/La Nina and IOD impact on Kharif Season Crops Over Western Agro-Climatic Zones of India Open
Climate modes like ENSO (El Nino Southern Oscillation) and IOD (Indian Ocean Dipole) produce an impact on the monsoon rainfall over India. Monsoon rainfall is extremely important for the agriculture of our country. The impact of these clim…
View article: Evaluation of cold wave events over Indo-Gangetic Plain in India
Evaluation of cold wave events over Indo-Gangetic Plain in India Open
View article: Performance of RegCM4 for Dynamically Downscaling of El Nino/La Nina Events During Southwest Monsoon Over India and Its Regions
Performance of RegCM4 for Dynamically Downscaling of El Nino/La Nina Events During Southwest Monsoon Over India and Its Regions Open
This study presents the interannual variation in the summer monsoon rainfall during the El Nino Southern Oscillation (ENSO) phases, that is, El Nino and La Nina throughout the Indian subcontinent and its subregions during 1986–2010. The an…
View article: Validation of Surface Temperature Derived From MERRA‐2 Reanalysis Against IMD Gridded Data Set Over India
Validation of Surface Temperature Derived From MERRA‐2 Reanalysis Against IMD Gridded Data Set Over India Open
The first detailed validation of maximum temperature of Modern‐Era Retrospective analysis for Research and Application Version 2 ( T MERRA‐2 ) against Indian Meteorological Department ( T IMD ) has been carried out for 35 years (1981–2015)…
View article: Potential of INSAT-3D sounder-derived total precipitable water product for weather forecast
Potential of INSAT-3D sounder-derived total precipitable water product for weather forecast Open
The objectives of the INSAT-3D satellite are to enhance the meteorological observations and to monitor the Earth's surface for weather forecasting and disaster warning. One of the weather-monitoring capabilities of the INSAT-3D sounder is …
View article: Identification of Weather Events from INSAT-3D RGB Scheme using RAPID Tool
Identification of Weather Events from INSAT-3D RGB Scheme using RAPID Tool Open
drastic variations in elevations of left and right rim of the crater (Figure 11).It can be concluded that depth-diameter ratios of floorfractured and degraded craters are less than fresh craters.It was also found that these ratios for fres…
View article: Climatology of recurvature of tropical cyclone over Bay of Bengal and Arabian Sea
Climatology of recurvature of tropical cyclone over Bay of Bengal and Arabian Sea Open
One of the reasons of cyclone havoc is its path change and forming recurvature during its movement because recurvature of tropical cyclone is one of the fundamental problems in forecasting its movement and in pre-preparedness.In the presen…
View article: Effect of unusual dust event on meteorological parameters & aerosol optical and radiative properties
Effect of unusual dust event on meteorological parameters & aerosol optical and radiative properties Open
View article: Temperature index based snowmelt runoff modelling for the <scp>S</scp>atluj <scp>R</scp>iver basin in the <scp>w</scp>estern <scp>H</scp>imalayas
Temperature index based snowmelt runoff modelling for the <span>S</span>atluj <span>R</span>iver basin in the <span>w</span>estern <span>H</span>imalayas Open
The Satluj R iver is one of the main rivers in the western H imalayas. Snowmelt runoff substantially contributes to the streamflow of the river in the spring and summer months. The unavailability of observed meteorological data (precipitat…
View article: Verification of heavy rainfall in NWP models : A case study
Verification of heavy rainfall in NWP models : A case study Open
Forecasting of heavy rainfall events is still a challenge even for the most advanced state-of-art high resolution NWP modelling systems. Very often the models fail to accurately predict the track and movement of the low pressure systems le…
View article: Performance of cumulus parameterization schemes in the simulation of Indian Summer Monsoon using RegCM4
Performance of cumulus parameterization schemes in the simulation of Indian Summer Monsoon using RegCM4 Open
"The Indian Summer Monsoon (ISM) is driven by organized large-scale convection; hence, its simulation is expected to depend on an appropriate representation of cumulus convection in the model. In the present study, the performance of diffe…
View article: Skill of Predicting Heavy Rainfall Over India: Improvement in Recent Years Using UKMO Global Model
Skill of Predicting Heavy Rainfall Over India: Improvement in Recent Years Using UKMO Global Model Open
The quantitative precipitation forecast (QPF) performance for heavy rains is still a challenge, even for the most advanced state-of-art high-resolution Numerical Weather Prediction (NWP) modeling systems. This study aims to evaluate the pe…
View article: Analysis of rainfall pattern and extreme events during southwest monsoon season over Varanasi during 1971-2010
Analysis of rainfall pattern and extreme events during southwest monsoon season over Varanasi during 1971-2010 Open
An attempt has been made to detect the pattern of rainfall and examine the trends and variations of extreme events of rainfall over Varanasi (Uttar Pradesh, India) through seasonal, monthly and decadal analysis during southwest monsoon sea…
View article: Maize yield estimation using agro-meteorological variables in Jaunpur district of Eastern Uttar Pradesh
Maize yield estimation using agro-meteorological variables in Jaunpur district of Eastern Uttar Pradesh Open