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Mallik, Jyotirmoy
- Links between Energy Usage and Climate:Implications on Increasing CO2 Emissions and Carbon Capture and Storage
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Authors
Affiliations
1 Earth and Environmental Sciences, Indian Institute of Science Education and Research (IISER), Bhopal, Bhopal Bypass Road, Bhauri, Bhopal 462 066, IN
1 Earth and Environmental Sciences, Indian Institute of Science Education and Research (IISER), Bhopal, Bhopal Bypass Road, Bhauri, Bhopal 462 066, IN
Source
Current Science, Vol 114, No 07 (2018), Pagination: 1430-1437Abstract
Global climate change due to increase in greenhouse gases in the atmosphere resulting from persistent use of fossil fuels over the past century is one of the major challenges of the contemporary industrial world. The exploitation of natural resources including fossil fuels has not always been done in a sustainable way. One of its adverse effects, faced by our generation, is climate change. We must not only be alert to these changes, but also make necessary efforts to adopt scientific measures to combat their ill effects. The combustion of fossil fuels together with added emissions from cement production, and land use change result in net annual increase in CO2 in the atmosphere by 4 GtC. Scientists have clearly demonstrated the role of CO2 emission in global warming. Carbon capture and storage (CCS) is an advanced technology to capture CO2 from its source, isolate it from the atmosphere and store it typically in underground geological formations. We highlight the need to invest in obtaining cleaner energy from fossil fuels by implementing technologies like CCS along with technological advancements in renewables. We present here a review on the general debate around implementing CCS technology and dwell on some developments in India to understand if CCS will be effective in the future towards reducing the carbon footprint in our growing economy.Keywords
Climate, CO2, Carbon Capture and Storage, Energy, Fossil Fuel.Full Text
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- Comparison of Stress Azimuth Data Derived by Geogenic Electromagnetic Radiation Technique and from the Analysis of Exhumation Joints
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PDF Views:78
Authors
Affiliations
1 Earth and Environmental Sciences, Indian Institute of Science Education and Research, Bhopal Bypass Road, Bhauri, Bhopal 462066, IN
1 Earth and Environmental Sciences, Indian Institute of Science Education and Research, Bhopal Bypass Road, Bhauri, Bhopal 462066, IN
Source
Current Science, Vol 115, No 6 (2018), Pagination: 1039-1041Abstract
During the last decade, considerable progress has been made to understand the cause and nature of electromagnetic emission anomalies that precede major earthquakes1,2. Based on field measurements using a portable instrument, the preferred orientations of geogenic electromagnetic radiation (EMR), especially the principal directions of radiation have been proved to be reproducible and are related to the stress field of the lithosphere3– 6.Full Text
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- Genesis of the Dhuadhar Falls, Bhedaghat, Madhya Pradesh, India
Abstract Views :268 |
PDF Views:75
Authors
Affiliations
1 Earth and Environmental Sciences, Indian Institute of Science Education and Research, Bhopal Bypass Road, Bhauri, Bhopal 462 066, IN
1 Earth and Environmental Sciences, Indian Institute of Science Education and Research, Bhopal Bypass Road, Bhauri, Bhopal 462 066, IN
Source
Current Science, Vol 116, No 8 (2019), Pagination: 1292-1294Abstract
Dhuadhar Falls in Bhedaghat near Jabalpur, one of the most sought after tourist destinations in Madhya Pradesh, India, attracts thousands of tourists throughout the year. The mighty River Narmada drops (Figure 1 a) 30 m down into a deep gorge of marble rocks, creating one of the most beautiful natural sites. Although there is a lot of literature available describing the surrounding rocks like marbles and schists of Precambrian Mahakoshal group, Lamheta Formation of the Cretaceous and the Deccan Traps1–3, there is hardly any work explaining the genesis of the Falls itself. The River Narmada flows almost in a straight line along the Narmada–Son Lineament (NSL) marking the boundaries of some of the important basins of India4.Full Text
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- Establishment of Correlation between Anisotropy of Magnetic Susceptibility and Magma Flow Fabric:An Insight from Nandurbar–Dhule Dyke Swarm of Deccan Volcanic Province
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Authors
Affiliations
1 Department of Earth and Environmental Sciences, Indian Institute of Science Education and Research, Bhopal 462 066, IN
1 Department of Earth and Environmental Sciences, Indian Institute of Science Education and Research, Bhopal 462 066, IN
Source
Current Science, Vol 116, No 9 (2019), Pagination: 1468-1471Abstract
There are rising concerns about the robustness of interpretation from Anisotropy of Magnetic Susceptibility (AMS) studies, because often correlation between AMS and geological fabric is not properly established before a wide regional- scale interpretation is made. Here, we document case studies on two dykes from the Nandurbar–Dhule dyke swarm (western India) of Deccan Volcanic Province (Figure 1 a), where we have tested if shape-preferred orientation of the elongated mineral grains (flow fabric) is actually represented by AMS fabric. In one of the dykes, we observed that AMS fabric is coplanar with the fabric of major constituent silicate minerals; hence it represents magma flow fabric. In the other dyke, AMS fabric largely represents the shape fabric of the opaque minerals which were deposited in the interstitial spaces of the mineral grains after the dyke was emplaced; hence it does not correspond to the primary magma flow fabric. These findings reinforce the need for detailed understanding of rock fabric in order to make robust interpretation of AMS data.Full Text
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- Mud-Crack Size Distributions in Soils and their Relationship with Soil Properties
Abstract Views :306 |
PDF Views:81
Authors
Affiliations
1 Indian Institute of Science Education and Research, Bhopal 462 066, IN
2 Manipal Academy of Higher Education, Manipal 576 104, IN
3 Indian Institute of Technology, Roorkee 247 667, IN
1 Indian Institute of Science Education and Research, Bhopal 462 066, IN
2 Manipal Academy of Higher Education, Manipal 576 104, IN
3 Indian Institute of Technology, Roorkee 247 667, IN
Source
Current Science, Vol 119, No 12 (2020), Pagination: 1895-1897Abstract
No Abstract.Full Text