Browsing by Author "Vethamony, Ponnumony"
Now showing items 1-13 of 13
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Climate, trends and variability of extreme winds along the southwest coast of India
Abdulla, Cheriyeri Poyil; Aboobacker, Valliyil Mohammed; Vethamony, Ponnumony ( Wiley , 2023 , Article)The extreme wind climate and its trends and variability of the southwest coast of India, particularly the Kerala coast, are investigated using hourly reanalysis wind speeds for the period 1979–2021. The observed maximum ... -
Climatology and variability of wind speeds along the southwest coast of India derived from Climate Forecast System Reanalysis winds
Abdulla, Cheriyeri Poyil; Aboobacker, Valliyil Mohammed; Shanas, Puthuveetil Razak; Vijith, Vijayakumaran; Sajeev, Raveendran; Vethamony, Ponnumony... more authors ... less authors ( Wiley , 2022 , Article)Wind climate along the southwest coast of India (Kerala coast) has been analysed using 41 years of Climate Forecast System Reanalysis (CFSR) winds to delineate long-term trends and variability. The study reveals significant ... -
Distribution and environmental geochemical indices of mercury in tar contaminated beaches along the coast of Qatar
Elezz, Ahmed Abou; Castillo, Azenith; Hassan, Hassan Mustafa; Alsaadi, Hamood Abdulla; Vethamony, Ponnumony ( Elsevier , 2022 , Article)The current study aimed to gauge total mercury (THg) concentration and the environmental geochemical indices in tarmat contaminated sediments and test their presence in targeted coastal species. Layers of hard asphalt-like ... -
Elemental distributions in the marine sediments off Doha, Qatar: role of urbanisation and coastal dynamics
Hasna, Varis Mohammed; Aboobacker, Valliyil Mohammed; Dib, Samah; Izza, Ayisha; Yigiterhan, Oguz; Al-Ansari, Ebrahim M.A.S.; Vethamony, Ponnumony... more authors ... less authors ( Springer Science and Business Media Deutschland GmbH , 2024 , Article)This research investigates the present status and decadal variability of element distributions in the marine sediments off Doha, on the east coast of Qatar. Twenty elements were considered from 11 sediment sampling stations ... -
Enhancing subsea asset performance: Investigating the biomimetic functionality of the Mushroom Reef design in hydrodynamics, stability, and sedimentation
Bruno, Welter Giraldes; Wuppukondur, Ananth; Al-Mohannadi, Hamad S.; Bashir, Khalid; Abdulla, Maryam; Giraldes, Eduardo W.; Heally, Sam; Mello, Eduardo; Mathew, Dinesh; Range, Pedro; Mohammed, Aboobacker V.; Vethamony, Ponnumony; Baldock, Tom... more authors ... less authors ( Elsevier , 2023 , Article)In this study, laboratory and in situ experiments were performed to assess the stability of the Mushroom Forest Artificial Reef (MFAR) against the hydrodynamic forces of waves and currents and its functionality to avoid ... -
Excess pCO2 and carbonate system geochemistry in surface seawater of the exclusive economic zone of Qatar (Arabian Gulf)
Connor, Izumi; Al-Thani, Jassem A.; Yigiterhan, Oguz; Al-Ansari, Ebrahim Mohd A.S.; Vethamony, Ponnumony; Sorino, Caesar Flonasca; Anderson, Daniel B.; Murray, James W.... more authors ... less authors ( Elsevier , 2022 , Article)Dissolved inorganic carbon (DIC) and total alkalinity (TA) were sampled in December 2018 and May 2019 in the Exclusive Economic Zone (EEZ) of Qatar in the Arabian Gulf. pCO2, pH and CO32− were calculated from DIC and TA. ... -
History of a disaster: A baseline assessment of the Wakashio oil spill on the coast of Mauritius, Indian Ocean
Rajendran, Sankaran; Aboobacker, V. M.; Seegobin, Vashist O.; Al Khayat, Jassim A.; Rangel-Buitrago, Nelson; Al-Kuwari, Hamad Al Saad; Sadooni, Fadhil N.; Vethamony, Ponnumony... more authors ... less authors ( Elsevier , 2022 , Article)Oil spills from tanker ships provide adverse and irreversible impacts of a pollutant over coastal and marine environments. Using Sentinel-1 and 2 satellite images, this baseline paper presents the detection, assessment, ... -
History of a disaster: A baseline assessment of the Wakashio oil spill on the coast of Mauritius, Indian Ocean
Sankaran, Rajendran; Aboobacker, V.M.; Seegobin, Vashist O.; Al Khayat, Jassim A.; Rangel-Buitrago, Nelson; Al-Kuwari, Hamad Al-Saad; Sadooni, Fadhil N.; Vethamony, Ponnumony... more authors ... less authors ( Elsevier Ltd , 2022 , Article)Oil spills from tanker ships provide adverse and irreversible impacts of a pollutant over coastal and marine environments. Using Sentinel-1 and 2 satellite images, this baseline paper presents the detection, assessment, ... -
Long-term assessment of onshore and offshore wind energy potentials of Qatar
Aboobacker, Valliyil Mohammed; Shanas, Puthuveetil Razak; Veerasingam, Subramanian; Al-Ansari, Ebrahim M.A.S.; Sadooni, Fadhil N.; Vethamony, Ponnumony... more authors ... less authors ( MDPI AG , 2021 , Article)Exploitation of conventional energy resources has caused a deliberate increase in the emitted carbon in the atmosphere, which catalyzes global warming trends. This is a matter of concern, especially in Qatar, where fossil ... -
Monitoring oil spill in Norilsk, Russia using satellite data.
Rajendran, Sankaran; Sadooni, Fadhil N; Al-Kuwari, Hamad Al-Saad; Oleg, Anisimov; Govil, Himanshu; Nasir, Sobhi; Vethamony, Ponnumony... more authors ... less authors ( Nature Research , 2021 , Article)This paper studies the oil spill, which occurred in the Norilsk and Taimyr region of Russia due to the collapse of the fuel tank at the power station on May 29, 2020. We monitored the snow, ice, water, vegetation and wetland ... -
A multiscale ocean modelling system for the central Arabian/Persian Gulf: From regional to structure scale circulation patterns
Emmanuel, Hanert; Mohammed, Aboobacker Valliyil; Veerasingam, Subramanian; Dobbelaere, Thomas; Vallaeys, Valentin; Vethamony, Ponnumony... more authors ... less authors ( Elsevier , 2023 , Article)The Arabian/Persian Gulf (hereafter, the “Gulf”) is one the busiest and fastest changing sea in the World. Its circulation is primarily driven by the surface water inflow from the Sea of Oman and density-driven and wind-driven ... -
Sentinel-2 image transformation methods for mapping oil spill – A case study with Wakashio oil spill in the Indian Ocean, off Mauritius
Rajendran, Sankaran; Vethamony, Ponnumony; Sadooni, Fadhil N.; Al-Kuwari, Hamad Al Saad; Al-Khayat, Jassim A.; Govil, Himanshu; Nasir, Sobhi... more authors ... less authors ( Elsevier B.V. , 2021 , Article)Although several indices have been constructed and available at the Index database (IDB) for Sentinel-2 satellite to map and study several earth resources, no indices have been developed to map oil spill. We constructed ... -
Target gastropods for standardizing the monitoring of tar mat contamination in the Arabian Gulf
Bruno Welter, Giraldes; Al-Thani, Jassem Abdulaziz K.H.; Dib, Samah; Engmann, Amanda; Alsaadi, Hamood Abdulla; Vethamony, Ponnumony; Alatalo, Juha Mikael; Yigiterhan, Oguz... more authors ... less authors ( Elsevier , 2022 , Article)This study proposes a standardization process for the monitoring the level of tar mat contamination in the Arabian Gulf. In the study, we selected target gastropod species and evaluated the ecological and ecotoxicological ...