Active tectonic influence on the evolution of drainage and landscape: Geomorphic signatures from frontal and hinterland areas along the Northwestern Himalaya, India

Malik, Javed N.; Mohanty, C.

doi:10.1016/j.jseaes.2006.03.010

Cited by 116 publications

(47 citation statements)

References 38 publications

(71 reference statements)

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“…The amount of Smf index (Eq. 1) which indicates the intensity of tectonic activity, along a section with 12 Km in length (L-L´) was calculated to be 1.2 represents a region with high structural activity (Wells et al, 1998;Malik and Mohanty, 2007). Generally, the mountain front curving pattern, formed fractures and faults, and geologic features such as triangular facets, V-shaped valleys, alluvial canals and stream systems all confirm that the area is tectonically intensely active.…”

Section: Discussionmentioning

confidence: 99%

A Study of Stream Sediments from Soltan Meydan Basaltic Formation Area, Northern Iran

Gahruei¹,

Gholami²,

Dehkordi³

2013

International Journal of Geography and Geology

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Section: Discussionmentioning

confidence: 99%

A Study of Stream Sediments from Soltan Meydan Basaltic Formation Area, Northern Iran

Gahruei¹,

Gholami²,

Dehkordi³

2013

International Journal of Geography and Geology

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“…Nalagarh Thrust and Barsar Thrust stretch from Pinjore Dun to Soan Dun and separate the dun from the Lower Siwalik. The faults are expressed in the form of discontinuous scarps along the mountain front (Malik and Mohanty 2007) (Fig. 2a, b).…”

Section: Kangra Reentrantmentioning

confidence: 99%

“…These fault systems are the result of the southward propagation of the Himalayan Front through time and each fault merges into the basal detachment fault, i.e., Main Himalayan Thrust (Zhao et al 1993;Pandey et al 1995). Based on the active fault topography, the MBT and HFT are considered as active (Nakata 1989;Valdiya 1980;Malik and Mohanty 2007). Historical archives indicate that Himalaya has experienced several damaging earthquakes of intensity >XI in the last millennium (Iyengar et al 1999;Chitrakar and Pandey 1986).…”

Section: Introductionmentioning

confidence: 99%

Overestimation of the earthquake hazard along the Himalaya: constraints in bracketing of medieval earthquakes from paleoseismic studies

Arora

Malik

2017

Geosci. Lett.

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The Himalaya is one of the most seismically active regions of the world. (Mw 7.8) are the testimony to ongoing tectonic activity. In the last few decades, tremendous efforts have been made along the Himalayan arc to understand the patterns of earthquake occurrences, size, extent, and return periods. Some of the large magnitude earthquakes produced surface rupture, while some remained blind. Furthermore, due to the incompleteness of the earthquake catalogue, a very few events can be correlated with medieval earthquakes. Based on the existing paleoseismic data certainly, there exists a complexity to precisely determine the extent of surface rupture of these earthquakes and also for those events, which occurred during historic times. In this paper, we have compiled the paleo-seismological data and recalibrated the radiocarbon ages from the trenches excavated by previous workers along the entire Himalaya and compared earthquake scenario with the past. Our studies suggest that there were multiple earthquake events with overlapping surface ruptures in small patches with an average rupture length of ~300 km limiting Mw 7.8-8.0 for the Himalayan arc, rather than two or three giant earthquakes rupturing the whole front. It has been identified that the large magnitude Himalayan earthquakes, such as 1905 Kangra, 1934 Bihar-Nepal, and 1950 Assam, that have occurred within a time frame of 45 years. Now, if these events are dated, there is a high possibility that within the range of ±50 years, they may be considered as the remnant of one giant earthquake rupturing the entire Himalayan arc. Therefore, leading to an overestimation of seismic hazard scenario in Himalaya.

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“…A análise de sistemas de drenagem tem sido de grande utilidade como ferramenta para a identifi cação de feições tectônicas em diferentes contextos geológicos (Salvi 1995;Zovoili et al 2004;Delcaillau et al 2006;Malik & Mohanty 2007;Peters & Van Balen 2007;El Hamdouni et al 2008;García-Tortosa et al 2008;Shtober-Zisu et al 2008;Singh & Tandon 2008;Tsodoulos et al 2008;Pedrera et al 2009). Este tipo de investigação, que pode ser auxiliada com o uso de recursos de sensoriamento remoto, é de interesse particularmente em áreas onde há pouca disponibilidade de afl oramentos.…”

Section: Introductionunclassified

Analyzing the Impacts of Frequency and Severity of Forest Fire on the Recovery of Disturbed Forest using Landsat Time Series and EO-1 Hyperion in the Southern Brazilian Amazon

2011

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ResumoA análise de bacias de drenagem, combinada com dados de sensoriamento remoto e cartográfi cos, fornece informações signifi cantes para o reconhecimento de lineamentos morfoestruturais e para a detecção de feições tectônicas com expressão na paisagem atual. Este procedimento foi aplicado no estudo de três bacias de drenagem do leste da Ilha do Marajó, correspondentes aos rios Arari, Camará e Paracauari. Todas estas bacias mostram evidências de anomalias morfoestruturais, incluindo-se principalmente: mudanças rápidas no padrão de drenagem dentro de uma mesma bacia, variando de treliça, retangular, multibacinal a subparalelo; canais retilíneos comumente conectados em ângulos retos; canais fortemente sinuosos que se tornam retilíneos; meandros localizados; e bacias altamente assimétricas. Anomalias de drenagem, consistindo em frequentes desvios de direção formando ângulos retos e meandros isolados e comprimidos, são também reconhecidas na paleodrenagem preservada neste setor da ilha. Com base na densidade dos lineamentos estruturais, pode-se reconhecer dois compartimentos morfoestruturais. O compartimento I é localizado na porção centro-leste da área de estudo, onde ocorre densidade de lineamento alta com duas direções preferenciais para NW-SE e NE-SW. O compartimento II, correspondente ao restante da área, apresenta densidade de lineamentos variando entre muito baixa a média e com orientação principal para NE-SW. As características morfoestruturais dos sistemas de drenagem atual e pretérita permitem sugerir área com forte controle tectônico. A deformação tectônica pode refl etir reativação de falhas de direções principais NW-SE e NE-SW, melhor registradas no compartimento I. Palavras-chave: lineamentos morfoestruturais, tectônica, Ilha do Marajó. AbstractAnalysis of drainage basins combining remote sensing and cartographic data provides signifi cant information for the recognition of morphostructural lineaments and for the detection of tectonic features expressed in the modern landscape. This approach was applied to study three drainage basins from eastern Marajó Island, corresponding to the Arari, Camará and Paracauari rivers. These basins show evidence of morphostructural anomalies, mainly including: rapid changes in patterns that range from trellis, rectangular, multibasin to sub-parallel; channels that are connected in straight angles; rapid changes from highly sinuous to straight channels; localized meandering; and highly asymmetric basins. Drainage anomalies consisting of frequent channel deviation forming straight angles, as well as isolated and compressed meanders, are also recognized in the paleodrainage preserved in this sector of the island. With basis on the density of morphostructural lineament, it was possible to recognize two morphostructural compartments. Compartment I is localized in the center-east

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Active tectonic influence on the evolution of drainage and landscape: Geomorphic signatures from frontal and hinterland areas along the Northwestern Himalaya, India

Cited by 116 publications

References 38 publications

A Study of Stream Sediments from Soltan Meydan Basaltic Formation Area, Northern Iran

A Study of Stream Sediments from Soltan Meydan Basaltic Formation Area, Northern Iran

Overestimation of the earthquake hazard along the Himalaya: constraints in bracketing of medieval earthquakes from paleoseismic studies

Analyzing the Impacts of Frequency and Severity of Forest Fire on the Recovery of Disturbed Forest using Landsat Time Series and EO-1 Hyperion in the Southern Brazilian Amazon

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