Browsing Institute's contributions by Author "Agarvadekar, Y."
Now showing items 1-20 of 29
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A one year comparison of radar and pressure tide gauge at Goa, west coast of India
Mehra, P.; Desai, R.G.P.; Joseph, A.; Vijaykumar, K.; Agarvadekar, Y.; Luis, R.; Sundar, D.; Viegas, B. (CUSAT, 2009)At many locations absolute pressure gauges are used to obtain sea level data. Therefore, knowledge of the other physical processes which effect the sea level measurements at the coast is very important to insert the required ... -
A study of meteorologically and seismically induced water level and water temperature oscillations in an estuary located on the west coast of India (Arabian Sea)
Mehra, P.; Desai, R.G.P.; Joseph, A.; Vijaykumar, K.; Agarvadekar, Y.; Luis, R.; Viegas, B. (The European Geosciences Union, 2012)The study examines the observed storm-generated sea-level oscillations (June 2007 and November 2009) during the Sumatra geophysical tsunami (September 2007), indicating similarities in the sea-level response in the Mandovi ... -
Amplified Msf tides at Kochi backwaters on the southwest coast of India
Joseph, A.; Balachandran, K.K.; Mehra, P.; Desai, R.G.P.; Vijaykumar, K.; Agarvadekar, Y.; Revichandran, C.; Dabholkar, N. (Current Science Association, 2009)Characteristics of tides at eight stations in Kochi backwaters (KB) located on the southwest coast of India are analysed. The Msf tidal constituents at several locations are found to be considerably larger than those ... -
Cellular-based and internet-enabled real-time reporting of the tsunami at Goa and Kavaratti Island due to Mw 8.4 earthquake in Sumatra on 12 September 2007
Desai, R.G.P.; Joseph, A.; Mehra, P.; Agarvadekar, Y.; Tengali, S.; Vijaykumar, K. (Current Science Association, 2008)The tsunami at Goa (west coast of India) and Kavaratti Island (Lakshadweep archipelago) in the Arabian Sea, caused by the 12 September 2007 Sumatra earthquake, was reported from cellular-based sea-level gauges in real-time ... -
Coastal sea level response to the tropical cyclonic forcing in the northern Indian Ocean
Mehra, P.; Soumya, M.; Vethamony, P.; Vijaykumar, K.; Nair, T.M.B.; Agarvadekar, Y.; Jyoti, K.; Sudheesh, K.; Luis, R.; Lobo, S.; Halmalkar, B. (European Geophysical Union, 2015)The study examines the observed storm-generated sea level variation due to deep depression (event 1: E1) in the Arabian Sea from 26 November to 1 December 2011 and a cyclonic storm "THANE" (event 2: E2) over the Bay of ... -
Comparison of sea-level measurements between microwave radar and subsurface pressure gauge deployed at select locations along the coast of India
Mehra, P.; Desai, R.G.P.; Joseph, A.; VijayKumar, K.; Agarvadekar, Y.; Luis, R.; Nadaf, L. (SPIE, 2013)Sea-level data are obtained from several remote and coastal locations using absolute pressure gauges deployed at known level, known as chart datum. However, to yield correct sea-level measurements from absolute pressure ... -
Comparison of sea-level measurements using microwave radar and subsurface pressure gauge deployed in Mandovi estuary in Goa, Central West Coast of India
Mehra, P.; Agarvadekar, Y.; Luis, R.; Nadaf, L. (Society of Photo-Optical Instrumentation Engineers, 2012)Data from the radar and an absolute pressure gauge collected from Verem, Goa over a period of one year - January 2009 to May 2010 is used to carry out the comparative studies. The root mean square difference between the ... -
Design and performance evaluation of a hall effect magnetic compass for oceanographic and meteorological applications
Joseph, A.; Desai, R.G.P.; Agarvadekar, Y.; Tengali, T.; Mishra, M.; Fadate, C.; Gomes, L. (Allied, India, 2005)A Hall Effect magnetic compass, suitable for oceanographic and meteorological applications, has been designed and its performance characteristics have been evaluated. Slope of the least-squares-fitted linear graph was found ... -
Detection of 12th September 2007 Sumatra Tsunami at Goa and Kavaratti Island
Desai, R.G.P.; Joseph, A.; Mehra, P.; Agarvadekar, Y.; Tengali, S.; Vijaykumar, K. (IEEE, 2008)Subsurface pressure based real-time reporting and Internet-accessible coastal sea-level stations designed and established by the Indian National Institute of Oceanography (NIO) reported the 12th September 2007 Sumatra ... -
Development and implementation of cellular-based real-time reporting and internet accessible coastal sea-level gauge - A vital tool for monitoring storm surge and tsunami
Desai, R.G.P.; Joseph, A.; Agarvadekar, Y.; Dabholkar, N.; Mehra, P.; Gouveia, A.D.; Tengali, S.; Vijaykumar, K.; Parab, A. (Indian Academy of Sciences, 2006)We describe the development and implementation of real-time reporting and Internet-accessible coastal sealevel gauge, wherein data communication between the gauge and an Internet server has been established through a ... -
Development of multi-channel data logger for passive acoustic measurements
Fernandes, W.A.; Agarvadekar, Y.; Chakraborty, B. (Acoustical Society of India, 2018)Recording of passive acoustic data involves a listening device along with an instrumentation system. The passive listening device transforms mechanical disturbances to electrical signals. The subsequent sampling and logging ... -
Endurance and stability of some surface meteorological sensors under land- and ship-based operating environments
Mehra, P.; Desai, R.G.P.; Joseph, A.; Vijaykumar, K.; Dabholkar, N.; Prabhudesai, S.P.; Nagvekar, S.; Agarvadekar, Y. (Allied, India, 2005)The endurance and stability of some surface meteorological sensors under land- and ship-based operating environments is described. The sensors evaluated are those for measurement of relative humidity, barometric pressure ... -
Experience with Downward-looking Aerial Microwave Radar Based Sea-level Gauges deployed along Indian Coasts and Islands
Mehra, P.; Desai, R.G.P.; Joseph, A.; Vijaykumar, K.; Agarvadekar, Y.; Luis, R.; Soumya, M.; Harmalkar, B.; Ghatge, D. (Intergovernmental Oceanographic Commission of UNESCO, Paris, 2016)Subsequent to the disastrous December 2004 Indian Ocean tsunami event, near real-time reporting integrated coastal observation network (ICON) providing sea-level, sea-state and surface meteorological information has been ... -
GPRS based real-time reporting and internet accessible sea level gauge for monitoring storm surge and tsunami
Desai, R.G.P.; Joseph, A.; Agarvadekar, Y.; Dabholkar, N.; Mehra, P.; Gouveia, A.D.; Tengali, S.; Vijaykumar, K.; Parab, A. (IEEE Singapore Section Secretariat, 2006)Development and implementation of a real-time reporting and Internet-accessible sea level gauge is described. The paper addresses the application of mobile communication technology and particularly the use of General Packet ... -
Identification of thermohaline structure of a tropical estuary and its sensitivity to meteorological disturbance through temperature, salinity, and surface meteorological measurements
Joseph, A.; Mehra, P.; Desai, R.G.P.; Sivadas, T.K.; Balachandran, K.K.; Vijaykumar, K.; Revichandran, C.; Agarvadekar, Y.; Francis, R.; Martin, G.D. (IEEE, 2008)Thermohaline structure of Kochi backwaters (KB) in India and its sensitivity to meteorological disturbances has been identified through measurements of temperature, salinity, and surface meteorological parameters. Silicon ... -
Integrated Coastal Observation Network (ICON) for real-time monitoring of sea-level, sea-state, and surface-meteorological data
Desai, R.G.P.; Joseph, A.; Agarvadekar, Y.; Mehra, P.; Vijaykumar, K.; Luis, R. (IEEE, 2010)National Institute of Oceanography (NIO), Goa, India has established an Integrated Coastal Observation Network (ICON) of in-house designed and developed Internet-accessible real/near-real time reporting cellular based ... -
Mean surface meteorological parameter characterization at Kavaratti, Lakshadweep Island, South-East Arabian Sea, West Coast of India
Vijaykumar, K.; Mehra, P.; Nair, B.; Agarvadekar, Y.; Luis, R.; Ghatge, D.; Lobo, S.; Halmalkar, B. (CSIR-NISCAIR, 2014)Soon after the south-west monsoon, mean surface meteorological parameters at the Kavaratti Island begins to change. Wind, which was south-west direction during monsoon period, turns to north-north direction and eventually ... -
Near-inertial currents off the east coast of India
Mukherjee, A.; Shankar, D.; Aparna, S.G.; Amol, P.; Fernando, V.; Fernandes, R.; Khalap, S.T.; Satlekar, N.P.; Agarvadekar, Y.; Gaonkar, M.G.; Tari, A.P.; Kankonkar, A.; Vernekar, S. (Elsevier, 2013)We use data from moorings equipped with Acoustic Doppler Current Profilers (ADCPs) and deployed in the Bay of Bengal off the east coast of India from May 2009 to February 2012 to study the near-inertial currents (NICs) on ... -
November 2009 tropical cyclone Phyan in the eastern Arabian Sea: Oceanic response along west India coast and Kavaratti lagoon
Joseph, A.; Desai, R.G.P.; Mehra, P.; Vijaykumar, K.; Agarvadekar, Y.; Ryan, L.; Rivankar, P.; Viegas, B. (IEEE, 2010)Spatial and temporal response of the coastal waters of eastern Arabian Sea (AS) and Kavaratti lagoon to the tropical cyclonic storm 'Phyan', which developed in the southeastern AS and swept northward along the eastern AS ... -
Observational evidence from direct current measurements for propagation of remotely forced waves on the shelf off the west coast of India
Amol, P.; Shankar, D.; Aparna, S.G.; Shenoi, S.S.C.; Fernando, V.; Shetye, S.R.; Mukherjee, A.; Agarvadekar, Y.; Khalap, S.; Satelkar, N.P. (American Geophysical Union, 2012)We use data from six Acoustic Doppler Current Profiler (ADCP) moorings deployed during March–September 2008 on the continental shelf and slope off Bhatkal, Goa, and Jaigarh on the central west coast of India to present ...