Search Results - "T. R., Gireeshkumar"

Distribution and sources of sedimentary organic matter in a tropical estuary, south west coast of India (Cochin estuary): A baseline study by Gireeshkumar, T.R., Deepulal, P.M., Chandramohanakumar, N.

“…► We report δ13C and δ15N values of sedimentary organic matter from the Cochin estuary. ► δ13C and δ15N values ranged from −27.5‰ to −21.7‰ and δ15N 3.1–6.7‰…”
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Phthalic acid esters – A grave ecological hazard in Cochin estuary, India by Ramzi, A., Gireeshkumar, T.R., Habeeb Rahman, K., Balachandran, K.K., Shameem, K., Chacko, Jacob, Chandramohanakumar, N.

“…Distribution and ecological risks of Phthalic acid esters (PAEs) are poorly studied in estuarine environments in India. An attempt is made to chart the sources…”
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Trace metal distribution in the sediment cores of mangrove ecosystems along northern Kerala coast, south-west coast of India by Manju, M.N., Ratheesh Kumar, C.S., Resmi, P., Gireeshkumar, T.R., Joseph, Manju Mary, Salas, P.M., Chandramohanakumar, N.

“…Core sediment samples were collected from five mangrove ecosystems along northern Kerala coast (Kunjimangalam: S1, Pazhayangadi: S2, Pappinissery: S3,…”
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Triterpenoids and fatty alcohols as indicators of mangrove derived organic matter in Northern Kerala Coast, India by P., Resmi, T. R., Gireeshkumar, C. S., Ratheesh Kumar, P. B., Udayakrishnan, N., Chandramohanakumar, Joseph, Manju Mary

“…Triterpenoids and fatty alcohols were identified from the sediments of five mangrove ecosystems (Kunjimangalam, Pazhayangadi, Pappinissery, Thalassery, and…”
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Phosphorous speciation in surface sediments of the Cochin estuary by Gireeshkumar, T. R., Deepulal, P. M., Chandramohanakumar, N.

“…Sequential chemical extraction using chelating agents were used to study the P dynamics and its bioavailability along the surface sediments of the Cochin…”
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Distribution and contamination status of phthalic acid esters in the sediments of a tropical monsoonal estuary, Cochin – India by Ramzi, A., Gireeshkumar, T.R., Habeeb Rahman, K., Manu, Mohan, Balachandran, K.K., Chacko, Jacob, Chandramohanakumar, N.

“…Phthalic acid esters (PAEs) are a group of endocrine-disrupting chemicals listed as priority pollutants by United States Environmental Protection Agency…”
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Dynamics of polycyclic aromatic hydrocarbons (PAHs) in surface sediments of Cochin estuary, India by Ramzi, A., Habeeb Rahman, K., Gireeshkumar, T.R., Balachandran, K.K., Jacob, Chacko, Chandramohanakumar, N.

“…Polycyclic aromatic hydrocarbons (PAHs) showed significant seasonal dynamics in surface sediments of a tropical ecosystem (Cochin estuary, south west coast of…”
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Aberrations in the microbiome of cyanobacteria from a tropical estuary polluted by heavy metals by Jasmin, C., Anas, Abdulaziz, Singh, Dharmesh, Purohit, Hemant J., Gireeshkumar, T.R., Nair, Shanta

“…The effect of heavy metal pollution on the microbiome of cyanobacteria in Cochin estuary (CE) on the southwest coast of India is reported in the study…”
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Distribution, contamination status and bioavailability of trace metals in surface sediments along the southwest coast of India by Cyriac, M., Gireeshkumar, T.R., Furtado, C.M., Fathin, K.P. Fahad, Shameem, K., Shaik, Adnan, Vignesh, E.R., Nair, M., Kocherla, M., Balachandran, K.K.

“…This study investigates the influence of upwelling induced seasonal hypoxia in the sediment-water interface on the distribution, bioavailability and…”
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Distribution and sea-to-air fluxes of nitrous oxide and methane from a seasonally hypoxic coastal zone in the southeastern Arabian Sea by Arya, K.S., Gireeshkumar, T.R., Vignesh, E.R., Muraleedharan, K.R., D'cunha, Mary Sandra, Emil John, C.R., Snigtha, Cyriac, Mariya, Ravikumar Nair, C., Praveena, S.

“…The seasonal variability, pathways, and sea-to-air fluxes of nitrous oxide (N2O) and methane (CH4) in the coastal environment, where coastal upwelling and…”
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Occurrence, sources and risk assessment of polycyclic aromatic hydrocarbons in the coral reef waters of the Lakshadweep Archipelago, Arabian Sea by Vignesh, E.R., Gireeshkumar, T.R., Arya, K.S., Nair, Midhun M., Rakesh, P.S., Jayadev, B.S., Asma Shirin, P.P.

“…The compound effects of anthropogenic disturbances on global and local scales threaten coral reef ecosystems of the Arabian Sea. The impacts of organic…”
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Factors influencing nearshore hypoxia in the southeastern Arabian Sea: A sensor-based study by Abdul Azeez, S., Gireeshkumar, T.R., Muraleedharan, K.R., Vignesh, E.R., Jaleel, A.K.U., Arya, K.S., Ravikumar Nair, C., Ratheesh, R.

“…Seasonal upwelling and the associated incursion of hypoxic waters into the coastal zone is a widely studied topic over different upwelling zones. However, its…”
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An integrated buoy-satellite based coastal water quality nowcasting system: India's pioneering efforts towards addressing UN ocean decade challenges by Balakrishnan Nair, T.M., Sarma, V.V.S.S., Lotliker, Aneesh A., Muraleedharan, K.R., Samanta, Alakes, Baliarsingh, Sanjiba Kumar, Shivaprasad, S., Gireeshkumar, T.R., Raulo, Susmita, Vighneshwar, S.P., Shesu, R Venkat, Krishna, Murali, Kumar, N. Kiran, Naik, R. Chandrasekhar, Joseph, Sudheer, Annapurnaiah, K., Rao, E. Pattabhi Rama, Srinivasa Kumar, T.

“…The Indian coastal waters are stressed due to a multitude of factors, such as the discharge of industrial effluents, urbanization (municipal sewage),…”
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Distribution and sources of fatty acids in surface sediments of mangrove ecosystems in the Northern Kerala Coast, India by Resmi, P., Gireeshkumar, T. R., Ratheesh Kumar, C. S., Udayakrishnan, P. B., Chandramohanakumar, N.

“…Fatty acids and bulk geochemical proxies were employed to understand the sources and transformation of sedimentary organic matter from surface sediments of…”
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Role of heavy metals in structuring the microbial community associated with particulate matter in a tropical estuary by Sheeba, V.A., Abdulaziz, Anas, Gireeshkumar, T.R., Ram, Anirudh, Rakesh, P.S., Jasmin, C., Parameswaran, P.S.

“…Particulate matter (PM), which are chemically and biochemically complicated particles, accommodate a plethora of microorganisms. In the present study, we…”
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Distribution and sources of aliphatic hydrocarbons and fatty acids in surface sediments of a tropical estuary south west coast of India (Cochin estuary) by Gireeshkumar, T. R., Deepulal, P. M., Chandramohanakumar, N.

“…Surface sediments samples from the Cochin estuary were measured for elemental, stable isotopic and molecular biomarkers (aliphatic hydrocarbons and fatty…”
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Phosphorus cycling from a coastal upwelling zone in the Southeastern Arabian Sea by Fathin, K. P Fahad, Gireeshkumar, T.R, Furtado, C.M, Cyriac, M, Arya, K.S, Shaik, Adnan, Paul, J, Vignesh, E.R, Balachandran, K.K

“…The present study examined the seasonal cycling of phosphorous (P) along the southwest coast of India (SWCI) based on two cruises during the southwest monsoon…”
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Noctiluca and copepods grazing on the phytoplankton community in a nutrient-enriched coastal environment along the southwest coast of India by Arunpandi, N., Jyothibabu, R., Jagadeesan, L., Gireeshkumar, T.R., Karnan, C., Naqvi, S. W. A

“…The relative grazing impact of Noctiluca scintillans (hereafter referred only Noctiluca ) and copepods ( Acrocalanus gracilis , Paracalanus parvus , Acartia…”
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Evaluation of heavy metal enrichment in Cochin estuary and its adjacent coast: multivariate statistical approach by Bindu, K. R., Deepulal, P. M., Gireeshkumar, T. R., Chandramohanakumar, N.

“…Temporal and spatial variations of heavy metals in the Cochin estuary and its adjacent coastline during three seasons were studied to investigate the impact of…”
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Biochemical and stable carbon isotope records of mangrove derived organic matter in the sediment cores by Manju, M. N., Resmi, P., Ratheesh Kumar, C. S., Gireeshkumar, T. R., Chandramohanakumar, N., Joseph, Manju Mary

“…Core sediments from five mangrove ecosystems along northern Kerala Coast were collected to evaluate the nature and sources of organic matter in these…”
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