Open Access Open Access  Restricted Access Subscription Access

Bathymetry Planning of Hikkaduwa Coral Reef Utilizing Satellite Pictures

Divakar M

Abstract


Prior Bathymetric strategies estimated water profundity of a solitary point on the double. Then, at that point, with the improvement of innovation it turns out to be more precise yet high in cost. Then, at that point, shallow water regions which have profundity up to 25m can be planned with remote detecting innovation by reflection force of the frequencies which were caught by the satellite sensors. The ENVI Suite Relative Water Profundity Device can be utilized to decide relative profundity values scaled from zero to one. They don't gives genuine profundity values and we can have recently a thought of the submerged climate. To get genuine profundity values they should be aligned with field information. Hikkaduwa coral reef is the most assorted and available coral reef in the Sri Lankan waterfront line. Be that as it may, as of late it was corrupted intensely because of both human and normal causes. In this examination it shows that coral reef was switched up 48.5% in beyond 25 years as per relative water profundity values. By dissecting augmentation of normal profundity upsides of the review region, it underlines that reef was degraded around 5% from 2002 to 2019. This enables to make another apparatus to utilize multispectral satellite pictures to make bathymetry guides of shallow water regions. Be that as it may, with the accessibility of information like high goal satellite pictures, it restricts the exhibitions of these satellite inferred bathymetry models.


Full Text:

PDF

References


Bahuguna, A., Chaudhury, R. N., Bhattji, N., & Navalgund, R. R. (2013). Spatial inventory and ecological status of coral reefs of the Central Indian Ocean using Resourcesat-1.

WCMC, U. (2021). Shoreline protection and other ecosystem services from mangroves and coral reefs.

Stoddart, D. R. (2007). Tsunamis and coral reefs. Atoll Research Bulletin.

Wilkinson, C., Souter, D., & Goldberg, J. (2005). Status of coral reefs in tsunami-affected countries: 2005. Australian Institute of Marine Science; Global Coral Reef Monitoring Network.

Jayathilaka, R. M. R. M., Ratnayake, N. P., Wijayaratna, T. M. N., Silva, K. B. A., & Arulananthan, K. (2023). A Review of coastal erosion mitigation measures on Sri Lanka's Western Coast, an Island Nation in the Indian Ocean: Current gaps and future directions. Ocean & Coastal Management, 242, 106653.


Refbacks

  • There are currently no refbacks.