Application of Indigenously Developed Remotely Operated Vehicle for the Study of Driving Parameters of Coral Reef Habitat of South Andaman Islands, India

Ramesh, S.; Ramadass, G. A.; Sandhya, C. S.; Ramesh, R.; Sathianarayanan, D.; Vinithkumar, Nambali Valsalan

doi:10.18520/cs/v113/i12/2353-2359

Cited by 9 publications

(4 citation statements)

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“…Figure 9 while at Chidiyatapu, the CDOM range confines within 0.5 S.Fl.U. This result also indicates that the waters of Chidiyatapu are clearer than in the Red Skin Islands which is corroborated with the underwater visuals with rich reef growth in these regions at a depth of 5 m (Ramesh et al, 2017).…”

Section: Resultssupporting

confidence: 76%

“…ROV is a remotely operated underwater vehicle developed at National Institute of Ocean Technology and named as PROVe (Polar cum Shallow water Remotely Operated Vehicle). It has 4 degrees of freedom for exploration and mapping of shallow water habitat up to 500 m depth and polar ice shelf and lakes (Ramesh et al, 2017). The ROV is mounted with spectral radiance and irradiance sensor, scanning sonar, water temperature, and salinity sensors apart from a navigation sensor suite comprising of MEMS-based Inertial Navigation System, DVL (Doppler Velocity Log), Compass (Magnetic based), and a Depth Sensor for precise navigation of the underwater vehicle.…”

Section: Methodsmentioning

confidence: 99%

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Retrieval of water quality parameters of South Andaman coral Islands using remotely operated underwater vehicle

Ramesh

Ramadass

2019

Water Science

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Remotely operated underwater vehicle (ROV)-based spectral irradiance measurements at South Andaman coral reef islands are used to derive water quality parameters (chlorophylla, total-suspended sediments, turbidity, salinity, Secchi disk depth, diffuse attenuation coefficient) at different depths of the water column. Different combination of standard formula is used to extract the water quality information from the sub-surface reflectance measurement and compared with the data derived from satellite images and conventional water sample analyses. Water quality data derived from ROV-based irradiance measurement and satellite sensor (Landsat data) correlate well to the extent of 0.85 (R 2 ). Results from spectral irradiance measurements up to 20 m water depth using the ROV along with high-definition images of coral reef biodiversity can be effectively used to understand the habitats' diversity and also to derive different water quality parameters in spatio-temporal scale.

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Section: Resultssupporting

confidence: 76%

Section: Methodsmentioning

confidence: 99%

Retrieval of water quality parameters of South Andaman coral Islands using remotely operated underwater vehicle

Ramesh

Ramadass

2019

Water Science

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“…It should be noted that the recent use of ROV in ANI (see. Ramesh et al 47 ) and the documentation of Mesophotic reefs off Puducherry coast 48 is an important step that will further lead towards the exploration of deeper ecosystems in the region. Further, as only certain areas of the wreck were assessed, long-term repeated sampling, taking structural heterogeny, hydrodynamics, and other environmental parameters into account will possibly give a detailed picture of the faunal assemblages.…”

Section: Discussionmentioning

confidence: 99%

First report of marine sponge Chelonaplysilla delicata (Demospongiae: Darwinellidae) from the Andaman Sea/Indian Ocean with a baseline information of epifauna on a mesophotic shipwreck

Das

Immanuel

Lakra

et al. 2019

Preprint

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During a biodiversity assessment on an upper mesophotic artificial reef of Andaman and Nicobar Islands (Shipwreck: HMIS Sophie Marie/HMIS SM), a single specimen of sponge Chelonaplysilla delicata was recorded. Our finding confirms the species taxonomy and highlights the current observation as a first report from the Andaman and Nicobar Islands and the Indian Ocean. The baseline diversity of epifaunal assemblage is further reported in this study.

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“…Studies carried out with PROVe for biodiversity assessment at Andaman coral region has brought out modern science to the Indian community for simultaneous observation of highdensity underwater visuals with positional details, Spatio-temporal mapping of the sea bed, in-situ Physico-chemical measurement along with light penetration intensity measurements using Spectral irradiance sensor ( Fig. 9) (Ramesh et al, 2016 and2017).…”

Section: Shallow Water and Polar Explorationmentioning

confidence: 99%

National Institute of Ocean Technology

Atmanand¹,

Ramesh²

2020

PINSA

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Application of Indigenously Developed Remotely Operated Vehicle for the Study of Driving Parameters of Coral Reef Habitat of South Andaman Islands, India

Cited by 9 publications

References 0 publications

Retrieval of water quality parameters of South Andaman coral Islands using remotely operated underwater vehicle

Retrieval of water quality parameters of South Andaman coral Islands using remotely operated underwater vehicle

First report of marine sponge Chelonaplysilla delicata (Demospongiae: Darwinellidae) from the Andaman Sea/Indian Ocean with a baseline information of epifauna on a mesophotic shipwreck

National Institute of Ocean Technology

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