Browsing by Author "DineshKumar, P.K."
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Recent advancements in coral health, microbiome interactions and climate change
Ashraf, N.; Anas, A.; Sukumaran, V.; Gopinath, G.; IdreesBabu, K.K.; DineshKumar, P.K. (Elsevier, 2023)Corals are the visible indicators of the disasters induced by global climate change and anthropogenic activities and have become a highly vulnerable ecosystem on the verge of extinction. Multiple stressors could act ... -
Relationship between coral bleaching and large-scale oscillations in the Lakshadweep archipelago
Nair, R.C.; Muraleedharan, K.R.; AbdulAzeez, S.; DineshKumar, P.K. (Springer, 2023)The coral reef ecosystems in the Lakshadweep Sea are among the least studied due to the dearth of in situ measurements. The objectives of this study were to compare the remote sensing datasets with the available in situ ... -
Observational evidence of stratification control of upwelling and pelagic fishery in the eastern Arabian Sea
Narvekar, J.; Chowdhury, R.R.; Gaonkar, D.; DineshKumar, P.K.; PrasannaKumar, S. (Springer-Nature, 2021)Upwelling is a physical phenomenon that occurs globally along the eastern boundary of the ocean and supports pelagic fishery which is an important source of protein for the coastal population. Though upwelling and associated ... -
Genomic investigations provide insights into the mechanisms of resilience to heterogeneous habitats of the Indian Ocean in a pelagic fish
Sebastian, W.; Sandhya, S.; AbdulAzeez, S.; Muraleedharan, K.R.; DineshKumar, P.K.; Zacharia, P.U.; Gopalakrishnan, A. (Nature Publishing Group, 2021)The adaptive genetic variation in response to heterogeneous habitats of the Indian Ocean was investigated in the Indian oil sardine using ddRAD sequencing to understand the subpopulation structure, stock complexity, ... -
Abundance and characteristics of microplastics in commercially important bottom dwelling finfishes and shellfish of the Vembanad Lake, India
Nikki, R.; Jaleel, A.K.U.; Ragesh, S.; Shini, S.; Saha, M.; DineshKumar, P.K. (Elsevier, 2021)This paper characterize microplastics (MPs) in the heavily urbanized, brackish water Vembanad Lake (India), focussing on some commercially important bottom-feeding fishes and shellfish (Arius maculatus, Etroplus suratensis, ... -
Signals of selection in the mitogenome provide insights into adaptation mechanisms in heterogeneous habitats in a widely distributed pelagic fish
Sebastian, W.; Sandhya, S.; Zacharia, P.U.; Muraleedharan, K.R.; DineshKumar, P.K.; Gopalakrishnan, A. (Nature Research, 2020)Oceans are vast, dynamic, and complex ecosystems characterized by fluctuations in environmental parameters like sea surface temperature (SST), salinity, oxygen availability, and productivity. Environmental variability acts ... -
Implications of a regional-scale process (the Lakshadweep low) on the mesozooplankton community structure of the Arabian Sea
Kusum, K.K.; Vineetha, G.; Raveendran, T.V.; DineshKumar, P.K.; Muraleedharan, K.R.; Joseph, T.; Jayalakshmy, K.V. (CSIRO PUBLISHING, 2019)The Arabian Sea, a major tropical ocean basin in the northern Indian Ocean, is one of the most productive regions in the global ocean. Although the classical Arabian Sea �paradox� describes the geographical and seasonal ... -
Mudbanks and fisheries along the Kerala coast-myth and reality
PrasannaKumar, S.; DineshKumar, P.K.; Muraleedharan, K.R.; George, G.; Mathew, D.; Kripa, V.; Jeyabaskaran, R.; Ramaiah, N.; Gopalakrishnan, A.; Naqvi, S.W.A. (Current Science Association & Indian Academy of Sciences, 2018)Mudbanks, a unique coastal oceanographic phenomenon occurring along the southwest (SW) coast of India during the SW monsoon season, are synonymous with the fishery of this region. Here we examine the validity of the popular ... -
Formation Mechanism of Mud Bank Along the Southwest Coast of India
Muraleedharan, K.R.; DineshKumar, P.K.; PrasannaKumar, S.; John, S.; Srijith, B.; Anil Kumar, K.; Naveen Kumar, K.; Gautham, S.; Samiksha, S.V. (Springer, 2018)Mud bank formation during the southwest monsoon along the southwest coast of India remains an enigma to the researchers and coastal community in spite of several earlier studies. The present study attempts to unravel the ... -
Dwarf foraminifera off Kerala, India: A response to mudbank formation
Dubey, R.; Saraswat, R.; Nigam, R.; DineshKumar, P.K. (Palaeontological Society of India, India, 2018)During the monsoon season, a mudbank forms off Alleppey, a coastal district in Kerala. The mudbank forms in the littoral waters within 15 m water depth. It is a small coastal zone with water being unaffected by monsoon ... -
Spatio-temporal variability of upwelling along the southwest coast of India based on satellite observations
Jayaram, C.; DineshKumar, P.K. (2018)Upwelling phenomenon along the eastern boundaries of global ocean has received greater attention in the recent times due to its environmental and economic significance in the global warming and the scenario of changing ... -
Magnetic tracing of sediment dynamics of mudbanks off southwest coast of India
Badesab, F.K.; Gaikwad, V.; Gireeshkumar, T.R.; Naikgaonkar, O.; Deenadayalan, K.; Samiksha, S.V.; DineshKumar, P.K.; Loveson, V.J.; Iyer, S.D.; Khan, A.; Udayakrishnan, P.B.; Sardar, A.A. (Springer Berlin Heidelberg, 2018)In this study, we utilized environmental magnetic in combination with sedimentological and hydrodynamic data to investigate the formative processes of mudbanks along southwest coast of India. We document the linkages between ... -
Variability of the date of monsoon onset over Kerala (India) of the period 1870-2014 and its relation to sea surface temperature
Preenu, P.N.; Joseph, P.V; DineshKumar, P.K. (Springer, 2017)Monsoon onset over Kerala (India) which occurs every year is a major climatic phenomenon that involves large scale changes in wind, rainfall and sea surface temperature (SST). Over the last 150 years, the date of monsoon ... -
Wave energy dissipation due to mudbanks formed off southwest coast of India
Samiksha, S.V.; Vethamony, P.; Rogers, W.E.; Pednekar, P.S.; Babu, M.T.; DineshKumar, P.K. (Elsevier, 2017)Mudbanks (MBs) are a unique natural phenomenon, and form along the southwest coast of India during the southwest monsoon. They are characterized by a calm-water region, bordered by a rough sea. In order to quantify the ... -
Muddy waters
DineshKumar, P.K. (ICSF, 2017)As mud banks along the southwest coast of India dwindle, several concerns and societal implications have been articulated regarding this unique oceanographic phenomenon -
Suspended matter and fluid mud off Alleppey, southwest coast of India
Shynu, R.; Rao, V.P.; Samiksha, S.V.; Vethamony, P.; Naqvi, S.W.A.; Kessarkar, P.M.; Babu, M.T.; DineshKumar, P.K. (Elsevier, 2017)Time series measurements on suspended particulate matter (SPM) were made at one non-mud bank (M1) and two mud bank stations (M2 and M3) off Alleppey, south west coast of India. The mean SPM was low in surface (6.2 mg/l) ... -
Observed salinity changes in the Alappuzha mud bank, southwest coast of India and its implication to hypothesis of mudbank formation
Muraleedharan, K.R.; DineshKumar, P.K.; B. Srijith; PrasannaKumar, S.; John, Sebin; NaveenKumar, K.R. (Elsevier, 2017)Alappuzha mud bank draws special attention among the twenty-mud bank locations reported along the Kerala coast by its remoteness from riverine sources. Among several hypotheses proposed for the formation of mud bank, the ... -
An insight into subterranean flow proposition around Alleppey mudbank coastal sector, Kerala, India: Inferences from the subsurface profiles of ground penetrating radar
Loveson, V.J.; Dubey, R.; DineshKumar, P.K.; Nigam, R.; Naqvi, S.W.A. (Springer, 2016)The mudbank formation along south-western Indian coast has been a scintillating phenomenon during monsoon season, and the source of mud is a debatable issue till now. In the midst of many hypotheses, the subterranean passage ... -
Comparison of long-term variability of sea surface temperature in the Arabian Sea and Bay of Bengal
DineshKumar, P.K.; Paul, Y.S.; Muraleedharan, K.R.; Murty, V.S.N.; Preenu, P.N. (Elsevier, 2016)Long-term variability of Sea Surface Temperature (SST) in the Arabian Sea (AS) and Bay of Bengal (BoB) during 1880–2010 is examined using all the available data sets of monthly SST, wind speed, incoming solar radiation, ... -
Mud banks of Kerala: Mystery yet to be unveiled!
DineshKumar, P.K. (CSIR-NISCAIR, 2016)Mud Banks are areas of the sea adjoining the coast with calm water during the roughest monsoon conditions of the sea. They provide a rich catch of fishery too.