Sharks have an amazing sense of smell and can detect blood down to a concentration of 1 part in 25 million (0.04 g/m3 ). If 1 g of blood is released in the ocean, how long will it take for the blood to disperse sufficiently so that concentrations everywhere are low enough that the shark won’t be able to detect the blood?
Sharks have an amazing sense of smell and can detect blood down to a concentration of 1 part in 25 million (0.04 g/m3 ). If 1 g of blood is released in the ocean, how long will it take for the blood to disperse sufficiently so that concentrations everywhere are low enough that the shark won’t be able to detect the blood?
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
Problem 1LR
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1- Sharks have an amazing sense of smell and can detect blood down to a concentration of 1 part in 25 million (0.04 g/m3 ). If 1 g of blood is released in the ocean, how long will it take for the blood to disperse sufficiently so that concentrations everywhere are low enough that the shark won’t be able to detect the blood? Assume that e=2x10-4 m2 /s (this is the turbulent diffusivity measured off the coast of British Columbia, compute dispersion using the 3-dimensional equation).
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