Browsing by Author "Pradhan, U.K."
Now showing items 1-20 of 27
-
Assessment of the impact of developmental activities on estuarine environments of Mandovi and Zuari rivers of Goa along the west coast of India
Pradhan, U.K.; Shirodkar, P.V. (IIT; Madras, 2009)This paper discusses physico-chemical and biological data for EIA as regards construction of two jetties in the estuarine environments of Mandovi and Zuari rivers of Goa (India). Multivariate statistical techniques (Factor ... -
Biomarker responses in the Coilia dussumieri exposed to petroleum hydrocarbons contamination in urbanized estuaries along the west coast of India
Rao, M.N.; Anjaneyulu, A.; Parthipan, V.D.; Ram, A.; Pradhan, U.K.; Krishnan, U.; Siddaiha, V. (Springer, 2023)The estuaries of Maharashtra are under continuous pressure due to uncontrolled dumping of persistent toxic organic pollutants into these regions and their impact on the marine environment. In this study, total petroleum ... -
Bloom report of Noctiluca scintillans, Gymnodinium wulfii and Guinardia delicatula from Shastri Estuary, West Coast of India
Haridevi, C.K.; Hardikar, R.; Jubin, T.; Pradhan, U.K.; Aparnamol, T.A.; Rakesh, P.S.; Vivek, M.A.; Sahu, Balaram; Rafeeq, M. (Elsevier, 2022)The present study reports the concurrent blooms of Noctiluca scintillans, Gymnodinium wulfii and Guinardia delicatula from Shastri Estuary.The bloom of Gymnodinium wulfii is reported for the first time from the west coast ... -
Carbon isotopic and biochemical fingerprints of sedimentary organic matter in lower Narmada and Tapi rivers, north-west coast of India
Pradhan, U.K.; Wu, Y.; Shirodkar, P.V. (2019)Sources of organic matter (OM) in lower Narmada and Tapiriver-estuaries were examinedusing organic carbon to nitrogen ratio (Corg/N),stable carbon isotope ratio ( 13Corg) andlignin phenol biomarkers. The signature of ... -
Chlorine isotopes potential as geo-chemical tracers
Shirodkar, P.V.; Pradhan, U.K.; Banerjee, R. (Mumbai: Indian Society for Mass Spectrometry ISMAS), 2008)The potential of chlorine isotopes as tracers of geo-chemical processes of earth and the oceans is highlighted based on systematic studies carried out in understanding the chlorine isotope fractionation mechanism, its ... -
Connecting land use-land cover and precipitation with organic matter biogeochemistry in a tropical river-estuary system of western peninsular India
Pradhan, U.K.; Wu, Y.; Shirodkar, P.V.; Kumar, H.S.; Zhang, J. (Academic Press, 2020)Organic matter (OM) composition changed due to land use - land cover (LULC) and hydrology modification, has distinctive linkage towards sustainable environment management in tropical river systems. It is crucial in small ... -
Cyclone and monsoonal wave characteristics of northwestern Bay of Bengal: long-term observations and modeling
Patra, S.K.; Mishra, P.; Mohanty, P.K.; Pradhan, U.K.; Panda, U.S.; RamanaMurthy, M.V.; SanilKumar, V.; Nair, T.M.B. (Springer, 2016)Long-term wave data play a crucial role in arriving the wave criteria for ports and harbors and shore protection structures. Seasonal and annual wave characteristics are studied based on wave data collected for the year ... -
Distribution pattern of the benthic meiofaunal community along the depth gradient of the Western Indian continental margin, including the OMZ and abyssal plain
Sautya, S.; Gaikwad, Santosh; Khokher, S.; Pradhan, U.K.; Chatterjee, Soumya; Choudhury, Amita; Sahu, Balaram; Attri, S. (Frontiers Media S.A., 2021)The continental margin harbors a variety of habitats that support incredible biodiversity and the function of their oceans' ecosystems. The meiofauna is considered a significant component of the benthic faunal community ... -
Effect of physico-chemical regimes and tropical cyclones on seasonal distribution of chlorophyll-a in the Chilika Lagoon, east coast of India
Sahoo, S.; Baliarsingh, S.K.; Lotliker, A.A.; Pradhan, U.K.; Thomas, C.S.; Sahu, K.C. (Springer, 2017)A comprehensive analysis on spatiotemporal variation in physico-chemical variables and their control on chlorophyll-a during 2013-14 was carried out in the Chilika Lagoon. Spatiotemporal variation in physico-chemical regimes ... -
Effects of sedimentary heavy metals on meiobenthic community in tropical estuaries along eastern Arabian Sea
Rao, M.N.; Gaikwad, Santosh; Ram, A.; Pradhan, U.K.; Sautya, S.; Kumbhar, L.; Udayakrishnan, P.B.; Siddaiha, V. (Springer, 2023)The central west coast of India comprises the 720 km long coastline of Maharashtra state and houses widespread industrial zones along the eastern Arabian Sea. Sediments from seven industrial-dominated estuaries along the ... -
Environmental status of some beaches in Daman and South Gujarat, India
Lonkar, S.; Pradhan, U.K.; Ram, A.; Udayakrishnan, P.B.; Fulke, A.B.; Gaud, A.; Kumbhar, L. (NIScPR-CSIR, India, 2022)Beaches are the prime choice of amusement, hence determining its quality is significant to public health.The existing status of water and sediment quality of four beaches along the northwest coast of India is evaluated at ... -
Factors controlling organic matter composition and trophic state in seven tropical estuaries along the west coast of India
Rao, M.N.; Ram, A.; Pradhan, U.K.; Siddaiah, V. (2019)To understand the organic matter (OM) sources and trophic states, spatial and seasonal (post-monsoon and pre-monsoon) variation in sedimentary OM compositions was investigated in seven tropical estuaries of the state of ... -
Factors controlling physico-chemical characteristics in the coastal waters off Mangalore - A multivariate approach
Shirodkar, P.V.; Mesquita, A.; Pradhan, U.K.; Verlecar, X.N.; Babu, M.T.; Vethamony, P. (Elsevier, 2009)Water quality parameters (temperature, pH, salinity, DO, BOD, suspended solids, nutrients, PHc, phenols, trace metals-Pb, Cd and Hg, chlorophyll-a (chl-a) and phaeopigments) and the sediment quality parameters (total ... -
Geochemistry of metals in grain size fractionated sediments from estuarine and coastal regions along Mumbai: A baseline information
Lonkar, S.; Pradhan, U.K.; Ram, A.; Udayakrishnan, P.B.; Sahu, B. (CSIR-NISCPR, New Delhi, 2023)Differential metal accumulation in fractionated sediments within highly urbanized land-sea ecosystems is significant, often due to an imbalance between sluggish hydrodynamics and over dumping of contaminants. Here, an ... -
Impact of water quality changes on harbour environment due to port activities along the west coast of India
Shirodkar, P.V.; Pradhan, U.K.; Vethamony, P. (Sultan Qaboos Univ., 2010)Physico-chemical and biological studies were carried out in 3 major harbours (Kandla, Mormugao and Mangalore) along the west coast of India over different periods from 2002 to 2007. R-mode factor analyses, water quality ... -
Influence of anthropogenic activities on the existing environmental conditions of Kandla Creek (Gulf of Kutch)
Shirodkar, P.V.; Pradhan, U.K.; Fernandes, D.; Haldankar, S.R.; Rao, G.S. (Current Science Association, 2010)Water characteristics of Kandla creek, monitored seasonally from 2002 to 2006 at four locations (mouth, cargo jetty, oil jetty and junction), indicated significant increases in nutrients, petroleum hydrocarbons (PHc) and ... -
Investigations of the spatial and temporal variations of Sr and Nd isotopes in sediments from two Indian Rivers: Implications to source identification
Pradhan, S.; Zhang, J.; Baskaran, M.; Shirodkar, P.V.; Wu, Y.; Pradhan, U.K. (Wiley, 2017)Radiogenic isotopes of Sr and Nd provide crucial information on chemical and physical erosion processes, therefore used as tracers for fingerprinting the sources of fluvial sediments. Moreover, elemental geochemistry, ... -
Multi-proxy evidence for compositional change of organic matter in the largest tropical (peninsular) river basin of India
Pradhan, U.K.; Ying Wu; Shirodkar, P.V.; Zhang, J.; Zhang, G. (Elsevier, 2014)The distribution and compositional changes of organic matter (OM) within the Godavari river system is increasingly influenced by reduced monsoon rainfall and an increased number of damming. To track these changes stable ... -
Multivariate assessment of outflow water quality in highly urbanized creek system: Implication of natural and anthropogenic processes
Pradhan, U.K.; Ram, A.; Sahu, Balaram; Udayakrishnan, P.B.; Lonkar, S.; Kumbhar, L. (Springer, 2021)Nutrient source and transport study in tropical creeks adjacent to megacities are sparse on a regional and global scale. High-frequency chemical data collected during 2017-2018 in the Thane creek system, the largest ... -
Physico-chemical characteristics of the coastal water off Devi estuary, Orissa and evaluation of its seasonal changes using chemometric techniques
Pradhan, U.K.; Shirodkar, P.V.; Sahu, B.K. (Current Science Association, 2009)Devi estuary is one of the major tributaries of the Mahanadi riverine system in Orissa. Modernization and industrialization in its neighbourhood in the north in the recent past have greatly influenced many tributaries of ...