Rabindra Kumar SahooNational Centre for Coastal Research · Prediction of Water Quality
Rabindra Kumar Sahoo
Doctor of Philosophy
Observation and Prediction of Coastal Water Quality
About
11
Publications
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Introduction
Being a coastal scientist, i prefer to study the environmental dynamics of coast and its associated phenomena that impact life and livelihood
Publications
Publications (11)
Sea turtles are globally vulnerable due to climate change uncertainties and anthropogenic threats. The present study highlights the impacts of a very severe tropical cyclone (VSCS) on a potential sea turtle rookery and suggests management strategy for protection and conservation of rookery habitat under changing spit geomorphology. The results show...
Dynamic coastal waters are often polluted by chemical pollutants, affecting coastal ecosystems. A total of four scientific coastal cruises up to 10 km offshore from the coastline along the Chennai-Puducherry coast during 2019-20 were conducted. This study examined the spatiotemporal distribution of heavy metals (Cr, Cu, Pb, Cd, Ni, Zn, As, Co, Mn)...
Odisha coast, along the east coast of India, has the world's largest mass nesting sites (rookeries) for olive ridley (Lepidochelys olivacea) sea turtles. It has three rookeries namely Gahirmatha, Devi and Rushikulya. Olive ridley sea turtles and their habitat along the Odisha coast often face natural and anthropogenic threats leading to failure of...
Tidal inlet, a fragile coastal feature along the world coastline, provides a range of ecosystem services and societal values. In recent decades, these systems are subjected to natural and anthropogenic pressure resulting in inlet choking and reloca-tion, changing geomorphology, and dysfunction of physio-biological processes and loss of productivity...
Beach morphology and sediment characteristics were investigated on a seasonal scale (January, May, and September 2013) along the shorefront of Chilika lagoon. Shorefront of Chilika lagoon covers 65 km and includes barrier spit and the inlet region (three spits: south, middle, and north). Dynamics of the inlets during pre (1973–1999) and post (2000–...
In this article, hydrographic processes of a tropical coastal lagoon is studied that control inherent biological mechanisms of the lagoon environment. Realizing the interest of environmentalists over physio-chemical studies of a wetland tropical wetland system on the western boundary of the Bay of Bengal, a high-resolution intensive vertical hydrog...
The study investigates textural characteristics of sediment at selected tourist beaches extending from Rameswaram to Paradip along east coast of India. Samples were taken from backshore and foreshore at nine selected locations to evaluate sediment grain size distribution and its seasonality. Analysis of grain size distribution carried out to identi...
The sandy beach, which represents a transitional zone between terrestrial and oceanic environment, is always in motion and frequently changes its landform due to exposure to wind, ocean waves, tide and river discharge. In the present study, an attempt has been made to understand the complex dynamics of shorefront of Chilika and its spatio-temporal...
Bed sediment samples were collected along the 9.5 km long inlet channel of Chilika lagoon, east coast of India during
low freshwater discharge and low rainfall condition. Distributions of bed sediment along with its texture were studied in detail.
Bivariate plots between mean, sorting, skewness and kurtosis of sediments revealed definite grouping...
Inlet hydraulics of Chilika Lagoon is studied using various observed inlet parameters (tide, current and morphology) and computing parameters such as hydraulic radius, inlet impedance, King’s inlet frequency and friction, maximum channel velocity, phase lag and repletion coefficient during 2009 for spring and neap tide conditions. It is revealed th...
Questions
Questions (4)
As we understand, coastal soil and sediments are the potential for nutrient deposits resulting from river flooding and residue released from the livelihood process of high populated settlements. Therefore, it is hypothesized that the intense occurrence of high waves coupled with the tide leads to the erosion of coastal sediments and the leaching of nutrients of coastal sediments into the coastal water and results in frequent occurrences of algal bloom activities. Does the coastal researcher agree with the above statement? if yes then, please give your input else provide some feedback.
RKS
The diversity of coastal sediment texture often alters the humidity of the coastal sediments and traps the solar insolation disproportionately to influence the productivity of the sea turtle during the nesting and hatchling of juveniles. Do you all the environment researchers dealing with sea turtles is agree with this ? if some disagreement is there, please suggest your philosophy.
Thanking you
RK Sahoo
At present, we experiencing a number of intense tropical cyclone/low-pressure events over the Bay of Bengal. To uncover this reason, a hypothesis is raised that while the plastic gets in contact with sunlight, wave, and wind stress, it gets disintegrates and floats over the marine environment in a larger area resulting limited depth of penetration of solar energy in the water column. As plastic is an insulator therefore it creates an asymmetry in air-sea interaction leading to surface water accumulating higher temperature compared to subsurface temperature. Therefore, the ocean loses its temperature-bearing capacity and transfers its energy to the atmosphere leading to the intense formation of tropical cyclones in recent decades.
Please correct me if the hypothesis signifies different ?
At present, we experiencing a number of intense tropical cyclone/low-pressure events over the Bay of Bengal. To uncover this reason, a hypothesis is raised that while the plastic gets in contact with sunlight, wave, and wind stress, it gets disintegrates and floats over the marine environment a larger area resulting in a limited depth of penetration of solar energy in the water column. As plastic is an insulator therefore it creates an asymmetry in air-sea interaction leading to surface water accumulating higher temperature compared to subsurface temperature. Therefore, ocean loosing its temperature-bearing capacity leading to the intense formation of tropical cyclones.
Please do correct me if the hypothesis signifies different ?
