Solid_Earth_Geomagnetism: Recent submissions

Now showing items 141-160 of 445

Late Pleistocene–Holocene uplift driven terrace formation and climate-tectonic interplay from a seismically active intraplate setting: An example from Kachchh, Western India

Prizomwala, S.P.; Das, Archana; Chauhan, G.; Solanki, T.; Basavaiah, N.; Bhatt, Nilesh; Thakkar, M.G.; Rastogi, B.K. (2016)

Fluvial terrace formation is often regulated by external forcings like climate, tectonic and eustatic changes. These terraces, particularly in a dryland environment, preserves the discrete signatures of these external ...
Science outreach and capacity building in geomagnetism and space sciences—An Indian Institute of Geomagnetism endeavor

Gawali, P.B.; Bhaskar, Ankush; Dhar, Ajay; Ramesh, D.S. (2016)

We present an overview of science outreach and capacity building activities at the Indian Institute of Geomagnetism (IIG) against the backdrop of a long history of geomagnetic studies. We also present the future plans ...
Seismo-ionospheric anomalies and implications from recent GNSS observations in India and South-East Asia

Reddy, C.D. (2016)

The lithosphere and the atmosphere/ionosphere, continuously exchange energy through various coupling mechanisms. Earthquake creates waves of energy, e.g. direct shock acoustic waves (SAWs) and Rayleigh wave induced ...
Heavy metal monitoring of beach sands through environmental magnetism technique: a case study from Vengurla and Aravali beaches of Sindhudurg district, Maharashtra, India

Lakshmi, B.V.; Gawali, P.B.; Hanamgond, Pramod T.; Deenadayalan, K. (2016)

Mineral magnetic, geochemical and statistical analyses were carried on surface sediments collected from Vengurla and Aravali beach, along west coast of India, premonsoon (PreM), monsoon(M) and postmonsoon (PM). Magnetic ...
Seismic Hazard Analysis along Koyna Dam Area, Western Maharashtra, India: A Contribution of Remote Sensing and GIS

Willige, Barbara Theilen-; Aher, Sainath P.; Gawali, P.B.; Lakshmi, B.V. (2016)

The Koyna-Warna area in Maharashtra, Western India, is one of the world’s best examples of reservoir-induced seismicity. The occurrence of earthquakes in the vicinity of Koyna Dam (Shivaji Sagar Lake) started since 1962, ...
Ionospheric Seismology: Some societal implications

Reddy, C.D. (2016)

The Lithosphere, Atmoshpere and Ionosphere (LAI) is a coupled system and continuously exchange energy through various coupling mechanisms. It is well established that seismic events are coupled to the ionosphere though ...
Coseismic and early postseismic deformation due to the 25 April 2015, Mw 7.8 Gorkha, Nepal, earthquake from InSAR and GPS measurements

Sreejith, K.M.; Sunil, P.S.; Agrawal, Ritesh; Saji, Ajish P.; Ramesh, D.S.; Rajawat, A.S. (2016)

Analysis of Interferometric Synthetic Aperture Radar (InSAR) and Global Positioning System (GPS) data reveals coseismic and early postseismic (4–88 days) surface displacements associated with the 25 April 2015, Mw 7.8 ...
Ionospheric Plasma Response to Mw 8.3 Chile Illapel Earthquake on September 16, 2015

Reddy, C.D.; Shrivastava, Mahesh N.; Seemala, Gopi K.; Gonzalez, Gabrial; Baez, Juan Carlos (2016)

The lithosphere and the atmosphere/ionosphere continuously exchange energy through various coupling mechanisms. In particular, the earth surface displacement caused by earthquakes, volcanoes and tsunamis can manifest ...
Magnetic anomalies over the Andaman Islands and their geological significance

Rao, P.B.V. Subba; Radhakrishna, M.; Haripriya, K.; Rao, B. Someswara; Chandrasekharam, D. (2016)

The Andaman Islands form part of the outer-arc accretionary sedimentary complex belonging to the Andaman–Sumatra active subduction zone. The islands are characterized by thick cover of Neogene sediments along with exposed ...
Structural mapping of Chikotra River basin in the Deccan Volcanic Province of Maharashtra, India from ground magnetic data

Anand, S.P.; Erram, Vinit C.; Patil, J.D.; Pawar, N.J.; Gupta, Gautam; Suryavanshi, R.A. (2016)

Ground magnetic data collected over Chikotra River in the peripheral region of Deccan Volcanic Province (DVP) of Maharashtra located in Kolhapur district was analysed to throw light on the structural pattern and distribution ...
High resolution Holocene paleomagnetic secular variation records from Bay of Bengal

Usapkar, A.; Dewangan, P.; Badesab, F.K.; Mazumdar, K.; Ramprasad, T.; Krishna, K.S.; Basavaiah, N. (2016)

We present high resolution paleosecular variation (PSV) records up to 8 cal. kyr BP from three piston cores, MD161/8, MD161/11 and MD161/13 acquired in the Krishna–Godavari (KG) basin, Bay of Bengal. During the Holocene ...
Hydro-geochemical assessment to evaluate the suitability of groundwater for domestic and irrigation purpose in parts of Sindhudurg District, Maharashtra

Erram, Vinit C.; Gupta, Gautam; Laxminarayana, M.; Naidu, Suneetha; Shailaja, G. (2016)

Groundwater is regarded as one of the major sources of drinking water for the society. It is also used for agricultural, industrial, and various other domestic purposes. However, intrusion of saline water, particularly in ...
Petrogenesis of an early Cretaceous potassic lamprophyre dyke from Rongjeng, East Garo Hills, Shillong plateau, north-eastern India

Srivastava, Rajesh K.; Melluso, Leone; Sinha, Anup K. (2016)

An early Cretaceous potassic lamprophyre dyke, exposed near Rongjeng, East Garo Hills, Shillong plateau, north-eastern India, is a highly porphyritic rock with large phenocrysts of clinopyroxene, phlogopite, amphibole and ...
State of tectonic stress in Shillong Plateau of northeast India

Baruah, Santanu; Baruah, Saurabh; Saikia, Sowrav; Shrivastava, Mahesh N.; Sharma, Antara; Reddy, C.D.; Kayal, J.R. (2016)

Tectonic stress regime in the Shillong plateau, northeast region of India, is examined by stress tensor inversion. Some 97 reliable fault plane solutions are used for stress inversion by the Michael and Gauss methods. ...
Near-field co-seismic ionospheric response due to the northern Chile Mw 8.1 Pisagua earthquake on April 1, 2014 from GPS observations

Reddy, C.D.; Sunil, A.S.; González, G.; Shrivastava, Mahesh N.; Moreno, Marcos (2015)

Large earthquakes can induce near and far-field ionospheric perturbations by direct/secondary acoustic and gravity waves through Lithosphere–Atmosphere–Ionosphere (LAI) coupling. We analyze co-seismic induced ionospheric ...
Geoelectric investigation to delineate groundwater potential and recharge zones in Suki river basin, north Maharashtra

Gupta, Gautam; Patil, S.N.; Padmane, S.T.; Erram, Vinit C.; Mahajan, S.H. (2015)

Suki river basin of Raver sub-division is located towards the northeastern part of Jalgaon district in Maharashtra State. The existing land use pattern of the region clearly shows that more than 60% of the area is utilized ...
Geoelectric Signatures of Palnad Sub Basin and Nallamalai Fold Belt, Cuddapah Basin, India

Konda, Shankar; Patro, Prasanta K.; Rao, C.K. (2015)

Broadband magnetotelluric investigations were carried out along NW-SE profile from Potuluru to Anjanpalli in the NE part of Cuddapah basin. The 84 km profile is adjacent to the Eastern Ghat Mobile Belt (EGMB) and ...
Monsoon source shifts during the drying mid-Holocene: Biomarker isotope based evidence from the core ‘monsoon zone’ (CMZ) of India

Sarkar, Saswati; Prasad, Sushma; Wilkes, Heinz; Riedel, Nils; Stebich, Martina; Basavaiah, N.; Sachse, Dirk (Quaternary Science Reviews, 123, 144-157, doi: 10.1016/j.quascirev.2015.06.020, 2015)

A better understanding of past variations of the Indian Summer Monsoon (ISM), that plays a vital role for the still largely agro-based economy in India, can lead to a better assessment of its potential impact under global ...
Two-mode ionospheric response and Rayleighwave group velocity distribution reckonedfrom GPS measurement following Mw7.8 Nepal earthquake on 25 April 2015

Reddy, C.D.; Seemala, Gopi K. (JGR, 120, p. 7049–7059, doi:10.1002/2015JA021502, 2015)

The coseismic-induced ionospheric total electron content (TEC) perturbations were analyzedfol lowing the Mw7.8 Nepal earthquake (28.147°N, 84.708°E; depth ~15 km) that occurred on 25 April 2015 at06:11:26 UTC. The ionospheric ...
Late Quaternary environmental and sea level changes from Kolleru Lake, SE India: Inferences from mineral magnetic, geochemical and textural analyses

Basavaiah, N.; Babu, J.L.V. Mahesh; Gawali, P.B.; Kumar, K.Ch.V. Naga; Demudu, G.; Prizomwala, Siddharth P.; Hanamgond, P.T.; Rao, K. Nageswara (Quaternary International, 371, p. 197-208, doi: 10.1016/j.quaint.2014.12.018, 2015)

The present study employs mineral magnetic, geochemical, and textural parameters to elucidate the climate and sea level change signatures from Kolleru lake sediments representing the inter-deltaic part of the KrishnaeGodavari ...

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