Geohazards
Analysis, Modelling and Forecasting
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Article
Development of region specific earthquake early warning scaling relations for the Garhwal region using observed and simulated datasets: a step forward to disaster mitigation
The Garhwal region, situated in the central segment of the Himalayas, stands as one of the most seismically active areas in the Uttarakhand Himalaya. The newly established earthquake early warning (EEW) system...
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Article
Does Stubble Burning Really Contribute in Delhi’s Air Pollution? Evidences from Ground, Model, and Satellite Data
This study investigates the truth behind conversations on stubble burning (SB) contribution to Delhi’s air pollution (DAP) using ground observations, geophysical models, and satellite-based measurements during...
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Article
Substitution of Inorganic Nitrogen with Organic Amendments for Improvement of Soil Properties, Microbial Community, and Enzymatic Activity in Maize-Wheat Crop** System Under Sub-temperate Ecology
Integrated nutrient management (INM) comprised of farmyard manure (FYM) and chemical fertilizers augmented soil fertility in terms of nutrient availability and microbial activity. Combined application of diffe...
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Chapter
Estimation and Validation of Arias Intensity Relation Using the 1991 Uttarkashi and 1999 Chamoli Earthquakes Data
Arias intensity is one of the most crucial ground motion parameters to estimate the amplitude, frequency and ground shaking duration content. In the present work, we have estimated Arias intensity for the Garh...
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Chapter
Exploring the Concept of Self-Similarity and High-Frequency Decay Kappa-Model and fmax-Model Using Strong-Motion Surface and Borehole Data of Japan: A Statistical Approach
We statistically analyzed the fmax-model, κ-model and stress drop (Δσ) using surface and borehole data of the KIK-NET Japan seismological network. The statistical tests show no contribution of source in the fmax-...
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Article
Modelling of 1991 Uttarkashi and 2011 Indo-Nepal earthquakes using the modified semi-empirical technique by integrating site-specific quality factor
Strong ground motion simulation is a reliable tool for seismic hazard assessment and mitigation of any region. The distribution of hazards during an earthquake is greatly influenced by the attenuation properti...
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Article
Does COVID-19 Trigger the Risk for the Development of Parkinson’s Disease? Therapeutic Potential of Vitamin C
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) causes coronavirus disease 2019 (COVID-19), which was proclaimed a pandemic by the World Health Organization (WHO) in March 2020. There is mounting ...
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Article
Modeling of rupture using strong motion generation area: a case study of Hualien earthquake (Mw 6.1) occurred on April 18, 2019
The strong Hualien earthquake (Mw 6.1) occurred along the suture zone of the Eurasian Plate and the Philippine Sea Plate, which struck the Hualien city in eastern Taiwan on April 18, 2019. The focal mechanism of ...
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Chapter and Conference Paper
Spatial Distribution of Stress Orientation by Inversion of Focal Mechanism Solutions Using MSATSI: A Case Study Across Japan Trench
Estimation of stress field orientations is a necessary aspect for recognition of crustal mechanics as well as the physics behind occurrence of earthquakes. A case study employing the new MATLAB software packag...
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Book
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Chapter
Microalgae-Mediated Wastewater Treatment for Biofertilizer Production
Water obtained after the utilization of fresh water in various human activities or rainwater runoff, which generally cannot be utilized for any useful purpose, is referred to as wastewater. Different phytonutr...
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Article
Earthquake Genesis and Earthquake Early Warning Systems: Challenges and a Way Forward
Several natural hazards, including earthquakes, may trigger disasters and the presence of disaster drivers further lead to the massive loss of life and property, every year around the world. The earthquakes ar...
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Article
A Comparative Study of Physical and Chemical Parameters and Ciliate Diversity of Leachate Contaminated Soil from the Landfill and the Soil from the Human Inhabitant Land
Landfilling is considered to be a safe and economical approach for waste disposal but this is true only for engineered landfills. Engineered landfills are seldom found in develo** countries like India. The g...
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Article
Modelling of 2016 Kumamoto earthquake by integrating site effect in semi-empirical technique
The 2016 Kumamoto earthquake (MJMA7.3) struck central area of Kyushu Island, Japan. The presence of near surface low velocity layer greatly amplified the ground motions and caused severe damage in this region. Th...
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Article
Strong Motion Modelling of the 1999 Izmit Earthquake Using Site Effect in a Semi-Empirical Technique: A More Realistic Approach
A devastating earthquake (Mw 7.4) struck near Izmit city, northwestern Turkey, on 17 August 1999. The relatively large size of this earthquake and site amplification conditions caused severe damage in the Marmara...
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Chapter and Conference Paper
Assessment of Site Amplification Using Borehole and Surface Data: Variability of Site Effect Estimation from Different Phases of the Accelerogram
Site amplification is evaluated using the borehole and surface data for the central Honshu region, Japan. This study investigates the role of different phases of the records towards the site amplification. In ...
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Article
Implications of Site Effects and Attenuation Properties for Estimation of Earthquake Source Characteristics in Kinnaur Himalaya, India
Site and path effects are always required to isolate the source term from a recorded seismograph for the estimation of source characteristics. In this paper, the site and path effects are assessed in terms of ...
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Article
Characterization of shear wave attenuation and site effects in the Garhwal Himalaya, India from inversion of strong motion records
The frequency-dependent shear-wave quality factor and site amplification are computed simultaneously for the Garhwal region, NW Himalaya.
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Article
Strong-Motion Simulation of the 1988 Indo-Burma and Scenario Earthquakes in NE India by Integrating Site Effects in a Semi-Empirical Technique
This study focuses on the validation and applicability of a recently modified semi-empirical technique (MSET) to integrate site effects. The improvement of MSET by considering site effects has been verified by...
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Chapter and Conference Paper
A Comparative Analysis of Single Basin Solar Still with and Without Nanofluids
Water is very essential to human life. The origin and the continuation of the mankind are based on water. The supply of drinking water is an important problem for the develo** countries. The provision of fre...
