Search Results - "Chand, Vikas"

Peculiar Prompt Emission and Afterglow in the H.E.S.S.-detected GRB 190829A by Chand, Vikas, Banerjee, Ankush, Gupta, Rahul, Dimple, Pal, Partha Sarathi, Joshi, Jagdish C., Zhang, Bin-Bin, Basak, R., Tam, P. H. T., Sharma, Vidushi, Pandey, S. B., Kumar, Amit, Yang, Yi-Si

“…We present the results of a detailed investigation of the prompt and afterglow emission in the High Energy Stereoscopic System (H.E.S.S.)-detected GRB 190829A…”
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Editorial for Special Issue “Using Geophysical Inversion for Mineral Exploration: Methods and Applications” by Dikun Yang, Vikas Chand Baranwal, Bjørn Henning Heincke

“…Today, minerals are playing a critical role in the transition from fossil fuel-based energy systems to renewable and sustainable energy sources (Owen et al…”
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Computation of a probabilistic uranium concentration map of Norway: A digital expert elicitation approach employing random forests and artificial neural networks by Paasche, Hendrik, Wang, Ying, Chand Baranwal, Vikas, Brönner, Marco

“…We compute the first probabilistic uranium concentration map of Norway. Such a map can support mineral exploration, geochemical mapping, or the assessment of…”
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ASTROSAT CZT IMAGER OBSERVATIONS OF GRB 151006A: TIMING, SPECTROSCOPY, AND POLARIZATION STUDY by Rao, A. R., Chand, Vikas, Hingar, M. K., Iyyani, S., Khanna, Rakesh, Kutty, A. P. K., Malkar, J. P., Paul, D., Bhalerao, V. B., Bhattacharya, D., Dewangan, G. C., Pawar, Pramod, Vibhute, A. M., Chattopadhyay, T., Mithun, N. P. S., Vadawale, S. V., Vagshette, N., Basak, R., Pradeep, P., Samuel, Essy, Sreekumar, S., Vinod, P., Navalgund, K. H., Pandiyan, R., Sarma, K. S., Seetha, S., Subbarao, K.

“…ABSTRACT AstroSat is a multi-wavelength satellite launched on 2015 September 28. The CZT Imager of AstroSat on its very first day of operation detected a long…”
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REVIVING CONTEMPORARY URBAN DESIGN: CASE OF HISTORIC CITY SULTANPUR LODHI, PUNJAB, INDIA by Sharma, Vikas Chand

“…Cities have a long and varied urban history, but cities in developing countries have had a relatively brief experience with the modern city. What are the…”
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A Case History of Graphite Exploration in North Norway Integrating Various Geophysical Surveys by Vikas Chand Baranwal, Jan Steinar Rønning, Bjørn Eskil Larsen, Yang Su, Bo Zhang, Yunhe Liu, Xiuyan Ren, Håvard Gautneb, Jomar Gellein

“…Graphite is considered to be one of Europe’s most critical minerals. It is necessary for the transition from hydrocarbon fuel to electricity due to its use in…”
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Extrapolating a uranium map of Norway: Implications for country-scale geogenic radon risk mapping by Wang, Ying, Paasche, Hendrik, Baranwal, Vikas Chand, Dumais, Marie-Andrée, Stampolidis, Alexandros, Ofstad, Frode, Brönner, Marco

“…Radon, a radioactive gas produced through the decay of uranium in the earth's crust, poses a significant health risk when it accumulates to high concentrations…”
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Leveraging Domain Expertise in Machine Learning for Critical Metal Prospecting in the Oslo Rift: A Case Study for Fe-Ti-P-Rare Earth Element Mineralization by Ying Wang, Nolwenn Coint, Eduardo Teixeira Mansur, Pedro Acosta-Gongora, Ana Carolina Rodrigues Miranda, Aziz Nasuti, Vikas Chand Baranwal

“…Global demand for critical raw materials, including phosphorus (P) and rare earth elements (REEs), is on the rise. The south part of Norway, with a particular…”
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3D interpretation of helicopter-borne frequency-domain electromagnetic (HEM) data from Ramså Basin and adjacent areas at Andøya, Norway by Baranwal, Vikas Chand, Brönner, Marco, Rønning, Jan-Steinar, Elvebakk, Harald, Dalsegg, Einar

“…The Ramså Basin is situated on the strandflat on the northeastern side of Andøya between Ramså and Skarstein. It is the only known Mesozoic sedimentary basin…”
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Geophysical and geotechnical studies of geology and sediment properties at a quick-clay landslide site at Esp, Trondheim, Norway by Solberg, Inger-Lise, Long, Michael, Baranwal, Vikas Chand, Gylland, Anders Samstad, Rønning, Jan Steinar

“…Increased urbanisation and development in previous marginal areas have led to the need to protect the population, the environment and infrastructure from…”
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3-D Joint Inversion of Airborne Electromagnetic and Magnetic Data Based on Local Pearson Correlation Constraints by Liu, Yunhe, Na, Xu, Yin, Changchun, Su, Yang, Sun, Siyuan, Zhang, Bo, Ren, Xiuyan, Baranwal, Vikas Chand

“…Based on the spatial structure correlation in different geophysical parameters, we propose a new 3-D joint inversion method for frequency-domain airborne…”
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3D Airborne EM Inversion Based on Multiscale Correlation in Shearlet Domain by Su, Yang, Wang, Luyuan, Yin, Changchun, Huang, Xianyang, Liu, Yunhe, Ren, Xiuyan, Zhang, Bo, Baranwal, Vikas Chand

“…Airborne electromagnetic (AEM) technology is an efficient geophysical exploration tool for investigating subsurface electrical structures. In recent years, 3D…”
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Sparse-Promoting 3-D Airborne Electromagnetic Inversion Based on Shearlet Transform by Su, Yang, Yin, Changchun, Liu, Yunhe, Ren, Xiuyan, Zhang, Bo, Qiu, Changkai, Xiong, Bin, Baranwal, Vikas Chand

“…The conventional, L2-norm-based, regularization term in electromagnetic (EM) inversions implements smooth constraints on model complexity in the space domain,…”
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Three-Dimensional Airborne Electromagnetic Data Inversion With Flight Altitude Correction by Zhang, Bo, Yin, Changchun, Han, Xue, Wang, Luyuan, Liu, Yunhe, Ren, Xiuyan, Su, Yang, Baranwal, Vikas Chand

“…The flight altitude has a large effect on airborne electromagnetic (AEM) responses. Due to the dynamic environment of the aircraft, the recorded sensor…”
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Prompt Emission Polarimetry of Gamma-Ray Bursts with the AstroSat CZT Imager by Chattopadhyay, Tanmoy, Vadawale, Santosh V., Aarthy, E., Mithun, N. P. S., Chand, Vikas, Ratheesh, Ajay, Basak, Rupal, Rao, A. R., Bhalerao, Varun, Mate, Sujay, B., Arvind, Sharma, V., Bhattacharya, Dipankar

“…X-ray and gamma-ray polarization measurements of the prompt emission of gamma-ray bursts (GRBs) are believed to be extremely important for testing various…”
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3D Airborne Electromagnetic Data Inversion with Flight Altitude Correction by Zhang, Bo, Yin, Changchun, Han, Xue, Wang, Luyuan, Liu, Yunhe, Ren, Xiuyan, Su, Yang, Baranwal, Vikas Chand

“…The flight altitude has a large effect on the airborne electromagnetic (AEM) responses. Due to the dynamic environment of the aircraft, the recorded sensor…”
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Data-driven classification of bedrocks by the measured uranium content using self-organizing maps by Wang, Ying, Brönner, Marco, Baranwal, Vikas Chand, Paasche, Hendrik, Stampolidis, Alexandros

“…Uranium is a naturally occurring element that can be found almost everywhere in rocks and soils throughout the earth's crust. One of its decay products, radon,…”
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AstroSat-CZTI Detection of Variable Prompt Emission Polarization in GRB 171010A by Chand, Vikas, Chattopadhyay, Tanmoy, Oganesyan, Gor, Rao, A. R., Vadawale, Santosh V., Bhattacharya, Dipankar, Bhalerao, V. B., Misra, Kuntal

“…We present a spectropolarimetric analysis of GRB 171010A using data from AstroSat, Fermi, and Swift to provide insights into the physical mechanisms of the…”
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MAGICal GRB 190114C: Implications of Cutoff in the Spectrum at sub-GeV Energies by Chand, Vikas, Pal, Partha Sarathi, Banerjee, Ankush, Sharma, Vidushi, Tam, P. H. T., He, Xinbo

“…Abstract GRB 190114C is an unusual gamma-ray burst (GRB) due to its detection at sub-TeV energies by MAGIC, seen at redshift z  = 0.42. This burst is one of…”
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Wavelet-based 3-D inversion for frequency-domain airborne EM data by Liu, Yunhe, Farquharson, Colin G, Yin, Changchun, Baranwal, Vikas C

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