Corrections for 2nd edition of Water Resources Engineering

(3/28/2013)

Page 7 Figure 1.3.1 Center box labeled “Wastewater Treatment” should be “Water User”; See below the corrected figure.

Add label “C” at release from “Public Supplier” box;

Consumptive use should be defined as “B-C” not “B-D”

Page 10 Third line from end of Table delete “(see also Table 2.3)”

Page 34 Figure 2.3.3 caption, “Red” should be “Gray” and “Blue” should be “Black”

Figure 2.3.4 caption, “Red” should be “Gray” and “Blue” should be “Black”

Pages 62 and 63

Be careful at this point – the lowercase italic symbol for velocity v in the equations on page 63 looks exactly the same as the Greek letter nu ν which is used for kinematic viscosity in equation 3.1.8. To make matters worse, the velocity υ in Figure 3.1.5 is even different.

Page 74 Figure 3.5.1 Angle θ label should only extend up to the water surface, not above to line O-O.

Page 123 In Example 5.1.4, “B” should be replaced with “Bw” in all four places. First line of the solution, “ so that the width B” should be “ so that the bottom width Bw”

Page 126 Line above equation 5.2.14 has q2gyc=1 which should be q2gyc3=1

Page 129 Section 5.2.2, Equation number “(2.5.6)” should be “(3.5.6)”

Page 130 Third line after equation 5.2.20, "From equation 5.1.6" should be "From equation 5.1.16"

Page 140 In the denominator of equation 5.3.14, “R2/3” should be “R4/3”

Page 141 Sixth line of solution, “A = 150 ft3” should be “A = 150 ft2”

Sixth line of solution, “Sf = 0.000037” should be “Sf = 0.00037”

Page 147 Table 5.4.1, heading for column (14), ∆V22g should be ∆αV22g

Section 5.4.3, third line under equation 5.4.2, “dw = wk – wk+1”should be “dw =

wk+1 – wk”

Page 148 Under item b. Variables should be wk’ and wk+1’ (add primes)

Page 149 Example 5.4.5, second and third sentences sentence should read as “Figures 5.4.4a, b, c, and d are plots of cross-sections at 1, 2, 3, and 4, respectively. Figures 5.4.5a, b, c, and d are the area and hydraulic radius curves for cross-sections at 1, 2, 3, and 4, respectively.”

Page 154 First line of Example 5.5.1, “examples 5.1.1, 5.1.3, and 5.3.1” should be “examples 5.1.1, 5.1.3, and 5.2.1”

Page 158 Second line under Suppressed Rectangular Weir, “Referring to Figure 5.6.1” should be

“Referring to Figure 5.6.2”

Page 159 In Figure 5.6.3, “d” should be “dh”

Page 166 Problem 5.1.2 statement, “top width of 8 ft” should be “top width of 8 m”

Page 170 Problem 5.4.9 statement add “Include cross-section 4”

Problem 5.5.8 statement line, “hydraulic depth” should be “hydraulic jump”

Problem 5.6.12, first line of table, “Mean velocity (ft)” should be

“Mean velocity (ft/s)”

Page 173 Second line of second paragraph, “vadose zone (zone of operation)” should be “vadose zone (zone of aeration)

Page 179 Eighth line on page, "1 cP (1 centipoise, cP = 1 N=s/m2 x 10-3" should be "1 cP (1 centipoise, cP = 1 Ns/m2 x 10-3"

Page 180 In Figure 6.1.6, just above caption and next to box with no color, “known” should be “known”

Page 197 Line below equation 6.5.5, delete “or Q is gal/day and T is gpd/f for s in ft;”

Page 256 Figure 7.2.16 caption, “rainfall hyetographs” should read “rainfall mass curves”

Page 265 Example 7.3.2, 7th line of the solution, equation for B, “B = 0.102u2[ln(zz/zo)]2” should be “B = 0.102u2[ln(z2/zo)]2”

Page 265 Equation 7.3.20, the denominator of the equation should be (237.3 + Ta)2

Page 273 Equation 7.4.23, “F(t) = “ should be “f(t) = “

Page 277 Problem 7.2.10, first line of table, “10-42” should be “10-12” and “12-44” should be “12-14”

Page 297 Equation 8.4.8 “(5280 ft2/mi2)” should be “(52802 ft2/mi2)”

Page 325 Problem 8.4.6 statement, “80 km3/s/cm.” should be “80 m3/s/cm.”

Page 335 Table 9.2.1 Column 3, 2nd row, should read "43,560" not "43,500"

Page 341 Table 9.4.1 should look like the following:

Page 342 Figure 9.4.1 caption “Sain-Venant equations.” should be “Saint-Venant equations.”

Page 351 Two lines below Section 9.6 title “(see Chapter 8)” should be “see Section 9.3)”

Page 355 Problem 9.1.2 statement, first line, “5 km2” should be “10 km2” and 6th line “10 mm” should be “15 mm”

Page 356 Problem 9.2.5 problem statement, “Example 9.2.2” should be “Example 9.2.1”

Problem 9.2.6 problem statement, “Example 9.2.2” should be “Example 9.2.1”

Page 364 First line of page, “the normal and log-normal distributions” should be “the normal, log-normal distributions, and extreme value type I”

Delete the second sentence on the page, “Section 10.6 … “

Page 374 Half way down the page, third full paragraph, “(see Table 10.2.2)” should be “(see Table 10.1.2)”

Page 427 Last line on page, “Table 11.4.2 presents the total water” should be “Table 11.4.2 presents the U.S. water”

Page 430 delete “withdrawals by major users in selected OECD (Organization for Economic Cooperation and Development) countries.” and replace with “withdrawals by region.”

Page 460 Figure P11.7.5, the label for the x-axis is “(month)” and the label for the y-axis is “(1000 m3)”

Problem 11.7.7 statement, first line, “Figure 11.7.7” should be “Figure P11.7.7”

Page 473 Heading, “Moody Diagram εb” should be “Moody Diagram ksb”

The first row in Table 12.1.1, the Moody value (in mm) given as “0.919” should be “0.019”

Page 481 Two lines above equation 12.2.8, “NPSHR” should be “NPSHA”

Page 483 Under Bend losses (suction piping),

V= QA=0.120.071=1.69 m/s

hLb= 0.25(1.69)229.81=0.036 m

Under Total minor losses

hLm=0.036+0.036+0.029+0.007=0.108 m

NPSHA=9.19+3-0.25-0.0399-0.108= +11.79

Page 497 The equation for QBC should be QBC= KBDKBCQBD

Page 497 The equation for QAB should be QAB=QBC+ QBD= KBDKBCQBD+ QBD

Page 498 Equation 12.4.10, “ + hL3” should be “ - hL3”

Page 518 Last line of step 3 “sgn(Q + ΔAQp)” should be “sgn(Q + ΔQp)”

Page 522 Example 12.6.3 equation for ΔQpseudo loop should have a negative sign to the right of the equal sign and all terms in the denominator should have negative signs. For the other two equations in the solution all terms in the denominator should have negative signs.

Page 533 Line above equation (12.8.19), the V should have a horizontal line through it to represent the volume in a pipe

Page 534 Example 12.8.1, 5th line of solution “400x10-3” should be “400x10-4 or 0.04”

Add to footnote in Table 12.8.1, “Thick walls, D/tw < 25”

Page 535 Example 12.8.2, second line of problem statement, delete “discharges it into the air” and replace with and a “valve is locate”

Third line of problem statement, “A valve installed at the downstream end of the pipe” and replace with “The valve”.

Page 545 Figure P12.8.10 “n = V2/2g” should be “h = V2/2g”

Page 609 Problem 14.4.2 statement, third line “storage-discharge” should be stage-discharge”

Problem 14.4.2 statement, fourth and fifth line “storage-damage” should be “stage-damage” in both places

Page 612 “15.2 Storm Systems” should be “15.2 Storm Sewer Systems”

Page 613 Table 15.2.1, line 9 of the table, “may post physical constraints” should be “may pose physical constraints”

Page 616 Table 15.2.4, Kirpich (1940 formula should be tc= 0.0078L0.77S-0.385

Page 620 Second to last line on page, “K is the inside pipe” should be “D is the inside pipe”

Page 621 First part of Equation 15.2.6 should be Q= mnS01/2πD24D42/3 =

Page 632 Figure 15.2.10, Pipe leaving junction 1-5 should be labeled with flowrate of 21.8 cfs, not 2.1 cfs.

Pipe from 1-9 to MH7 is 30”-85’ 25.0 cfs.

Pipe from MH7 to MH6 is 30”-250’ 25.0 cfs.

Page 652 Last line of page “ = 16,400 ft3 =” should be “ = 167,400 ft3 =”

Page 653 Example 15.4.2 solution, first equation add “ = 0.49”

Page 656 Second to last equation on page there should be a minus sign after the equal sign and in the first part of the equation the exponent in the denominator should be 2.72, i.e the denominator is (tD + 16.4)2.76

Page 665 Figure 15.4.15 caption, add to the end of the first sentence, “using corrugated steel pipe (CSP)”

Figure 15.4.16 caption, “Typical CSP Filter Manhole” should be “Typical corrugated steel pipe (CSP) ‘Filter Manhole”’

Page 691 Example 16.1.14, first line of problem statement, “for a 10-ft slotted inlet.” should read

“for a 10-ft curb-opening inlet.”

Page 768

Problem 17.3.7 statement, first line “problem 17.3.1” should be “problem 17.3.6”

Add to the end of the problem statement, “Assume P = 15 ft.”

Problem 17.3.16, “bottom slope of 0.01 should be “ bottom slope of 0.001” and “(C = 3.8)” should be “(C = 2.2)”

Page 779 Equation 18.1.15b, the “µ” should be “ρ”

Page 780 Last line on page, “6.875 mm/s” should be “9.3 mm/s”

Page 785 In the line between equations 18.2.3 and 18.2.4, add “in m, and for D50 in ft,”

Example 18.2.1, first line of solution delete “for the streambed”

First line of solution, “for the streambed is as follows” should be “for D50 in m is”

Last equation “ = 0.015” should be “ = 0.0151”

Page 786 Delete the first line and substitute “and for D50 in ft”

The equation below the first line should be

n= D501/625.6= 0.0030481/625.6=0.0149

Page 792 Table 18.4.2 headings, “96” should be “9.6”