Explanation Given data: Mass of the transports is 1.1 × 10 3 Mg/yr . The density of the sediment is 1.2 Mg m 3 . Length of the delta is 120 km . Width of the delta is 100 km Formula used: Write the formula for volume of sediment. V = A z Here, A is the area and z is the thickness. Write the formula for density ( ρ ) : ρ = m V Here, m is the mass and V is the volume. Based on the delta being an isosceles triangle: A = L W Here, A is the area, L is the length and W is the width. Explanation: Convert year to Mg. 1.1 × 10 3 Mg/yr = 1.1 × 10 3 Mg yr ( 10 2 yr 1 ) = 1.1 × 10 3 Mg Recall the formula for density ( ρ ) : ρ = m V Substitute 1.2 Mg m 3 for ρ and 1.1 × 10 3 Mg for m . 1.2 Mg m 3 = 1.1 × 10 3 Mg V V = 1.1 × 10 3 Mg 1.2 Mg m 3 V = 9.16 × 10 2 m 3 Based on the delta being an isosceles triangle: A = L W Substitute 120 km for L and 100 km for W

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ISBN: 9780073513898

Author: Bill Tillery

Publisher: MCGRAW-HILL HIGHER EDUCATION

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Chapter 20, Problem 9PEB

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The thickness (z) of sediment deposited on the topset beds of the delta each year.

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