News Update on Oceanography Research: June – 2019

Physical Oceanography of the Southeast Asian waters

This book is that the outcome of my analysis of all offered information of the Southeast Asian Waters. it’s hoped that staff within the region, whether or not in earth science or alternative branches of science could notice it a supply of data and a stimulation to undertake more analysis in these waters. Some chapters during this book ar summaries and condensations of already well-known facts, however others provide new concepts and interpretations, significantly those chapters on monsoon circulations and their dynamics, on deep circulation and its regard to surface circulation, on the energy exchange between ocean and atmosphere, and on the quantitative description of the exchange of water within the deep ocean basins. [1]

Data Assimilation in Meteorology and Oceanography

This chapter provides a review of current operational follow and of advanced information assimilation techniques in meteorology. Numerical models may be accustomed assimilate earth science and oceanographic information, making a dynamically consistent, complete and correct “movie” of the 2 geofluids, atmosphere, and ocean in motion. The ocean’s sturdy stratification helps verify the foremost energetic scales and processes for the world ocean circulation. Active analysis on information assimilation is burgeoning speedily in each meteorology and earth science. Operational NWP necessities have made a mature data-assimilation technology in meteorology, from that climatical analysis has benefitted further. Ocean is characterised by transient, energetic motions with a broad spectrum in frequency and frequence. a gradual element of the circulation might not even exist, and be solely a model ensuing from the analysis of knowledge sets thin in house and time, like oceanography information sets, that steadiness is assumed a priori. Thus, in oceanic data-assimilation issues, the selection of a model and connected information assimilation theme and therefore the definition of success of the assimilation method itself rely crucially on the scientific issue of interest because the place to begin. [2]

Oceanography: a view of the earth

The world ocean and people processes that management its major options and therefore the life in it area unit examined for starting students or laymen. generally the ocean area unitas and processes designated for discussion are those possibly to be seen by land dwellers and people that have an effect on our lives. The read of the coastal ocean and its limitations ought to be of interest to any or all voters involved with the employment of the coastal ocean and therefore the outline at its margins. issues that have occupied oceanographers throughout the century since the beginnings of the science and analysis ways area unit mentioned. every chapter is followed by a listing of references. [3]

Microbial oceanography: paradigms, processes and promise

Life on Earth possibly originated as microorganisms within the ocean. Over the past ∼3.5 billion years, microorganisms have formed and outlined Earth’s region and have created conditions that have allowed the evolution of macroorganisms and complicated biological communities, as well as human societies. Recent advances in technology have highlighted the Brobdingnagian and antecedently unknown genetic data that’s contained in living marine microorganisms, from new macromolecule families to novel metabolic processes. currently there’s a novel chance, victimization recent advances in molecular ecology, metagenomics, remote sensing of microorganisms and ecological modelling, to realize a comprehensive understanding of marine microorganisms and their status to environmental variability and temperature change. modern microorganism earth science is actually a ocean of chance and excitement. [4]

Development of a Preconditioning System for FUTA Floating Fish Feed Extruder

The need to boost the standard of fish feed made in African nation was the main thought within the style and development of a preconditioning system. The machine consists of 2 insulated cylindrical barrels, set of organized paddles on a shaft, frame, predicament and feed mash body of water, discharge chute, chain and sprocket. it absolutely was high-powered by a three-phase fifteen power unit motor that transmits power to the machines shaft and set of paddles via chain and sprocket. The performance characteristics of the machine; combination potency and turnout capability were evaluated victimization Nigerian Institute for earth science and Marine analysis (NIOMR) feed formulation at feed mash particle sizes of 900 µm, 550 µm, 520 µm and paired paddle rotating speed of the lower and higher chamber at (96.8; 145.2), (122.6; 183.2) and (174.5; 260.8) revolutions per minute severally. The turnout capability of the preconditioner is 650 kg/hr. The results showed increase in temperature and wetness content level of the particles because the machine speed decreases. The optimum combination potency that gave best uniformity of combine was earned once Paired paddle speeds were (96.8; 145.2), (122.6; 183.2) with a mean Biot numbers of zero.1. [5]


[1] Wyrtki, K., 1961. Physical oceanography of the Southeast Asian waters. (Web Link)

[2] Ghil, M. and Malanotte-Rizzoli, P., 1991. Data assimilation in meteorology and oceanography. In Advances in geophysics (Vol. 33, pp. 141-266). Elsevier. (Web Link)

[3] Gross, M.G., 1977. Oceanography: A view of the Earth. (Web Link)

[4] Microbial oceanography: paradigms, processes and promise

David M. Karl

Nature Reviews Microbiology volume 5, pages 759–769 (2007) (Web Link)

[5] Olalusi, A. P., Nwaeche, C. F. and Adesina, A. (2019) “Development of a Preconditioning System for FUTA Floating Fish Feed Extruder”, Journal of Engineering Research and Reports, 3(2), pp. 1-10.(Accessed: 27June2019). (Web Link)

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