Errata 6th Edition | Soil and Water Conservation Engineering, 7th Edition

Errata for SWCE 6th Edition

Last updated: 12-Oct-2016

Page

Location

Existing

Correct

Line for Lindane

catttle

cattle

Table 2.3, footnote [c], last bullet, first line

go above 5 nephelolometric turbidity
units

go above 5 nephelometric turbidity
units

Figure 3.5 caption

Theissen

Thiessen

Example 3.4, last line.

106.4 mm.

106.4 mm, and the intensity is (106.4 mm)/(6 h) = 17.7 mm/h.

Example 3.7, first equation

0..76

0.76

Internet Resources

Precipitation Data Server

Precipitation Frequency Data Server

Paragraph 3, line 5

guage

gauge

Last line of example

E = (112.5 = 25.1 …

E = (112.5 + 25.1 …

First line under Eq. 4.10

= 4.903 10^-9

= 4.903x10^-9

Section 5.7, last line

(Chapter16)

(Chapter 16)

Table 5.4, footnote [d]

(litter, grass, and brush overstory

(litter, grass, and brush overstory)

Table 5.4, footnote [d]

Good > 70% ground cover

Good: > 70% ground cover

104

Figure 5.7

More precise
coordinates are available here

105

Paragraph 1, line 7

2620

2670

105

Second paragraph

2620

2670

105

Equation 5.13

u = Q/2620

u = Q/2670

105

Paragraph after Eq 5.14

4^th line: runoff must equal 1/2620
5^th line: and u is 1/2620

4^th line: runoff must equal 1/2670
5^th line: and u is 1/2670

106

Example 5.7, Solution

107

5^th line on page

ungaugedwatershed

ungauged watershed

113

Problem 5.11, last sentence

point n

the point of inflection

116

After Equation 6.6

q = discharge (L^3/T),

q = discharge (L³/T),

148

After Equation 7.4, second line

(dimensionless)

(kg m^-1 s^-1 Pa^-1.5)

149

Second line

0.1 kg Pa^-1.5

0.1 kg m^-1 s^-1 Pa^-1.5

172

Figure 8.4(a)

Cutslope, S_c
Frontslope, S_f
Backslope, S_b

Cutslope, z_c
Frontslope, z_f
Backslope, z_b

180

Example 8.3

S_f

S_b

z_f

z_b

182

Equation 8.3, definition of A

(L³)

(L²)

195

Problem 1, 3^rd sentence

Determine, the

Determine the

201

3rd sentence

Values of C can be converted from to

Values of C can be converted to

223

Equation 9.8

V_x

V_s

230

Section 9.29, 3^rd paragraph

Insert after
first sentence:

A spreadsheet
can also be used, but may require add-in interpolation functions.

233

First paragraph, 7^th line

Table 9.3 or Figure 9.20

Table 9.2 or
Figure 9.21

255

First paragraph, line 4

than

then

300

Example 12.2, Solution, Line 2

Table 12.2

Table 12.3

311

2^nd paragraph, 3^rd line

(Figure 8.11)

(Figure 8.10)

312

Example 13.2, second to last line

Total Volume 144.45

Total Volume 144.05

329

Table 14.3, first two lines, right column

3.5
5.1

10.0
15.1

331

Example 14.1, (3)

5.1

15.1

331

Example 14.1, (3)

331

Example 14.1, (4)

331

Example 14.1, last paragraph, line 1

0.98 m

1.11 m

331

Example 14.1, last paragraph, line 2

24.9 m

26.1 m

331

Example 14.1, last paragraph, line 4

0.55 m and 17.8 m

0.61 m and 18.3 m

333

Example 14.2, (3), line 2

5.1 mm

15.1 mm

333

Example 14.2, (3)

empty

333

Example 14.2, (4)

empty

333

Example 14.2, (4)

Additional iterations give d_e= 1.05 m and a drain spacing of 30.5 m. … Soil 2 are 0.59 m
and 21.8 m, respectively.

Additional iterations give d_e= 1.18
m and a drain spacing of 31.8 m. … Soil 2 are 0.64 m and 22.3 m,
respectively.

335

Example 14.3, Solution step (3)

Equation 8b

Equation 14.8b

336

Example 14.3, (4)

5.1 mm

15.1 mm

336

Example 14.3, (4)

empty

336

Example 14.3, (4)

Additional iteration gives d_e= 0.73 m and a drain spacing of 14.9 m. … Soil 2 are 0.48 m
and 11.8 m, respectively.

Additional iteration gives d_e= 0.87
m and a drain spacing of 15.6 m. … Soil 2 are 0.54 m and 12.1 m,
respectively.

336

Example 14.3, summary table

Soil 1	24.9	30.5	14.9
Soil 2	17.8	21.8	11.

Soil 1	26.0	31.8	15.6
Soil 2	18.3	22.3	12.1

337

Figure 14.8

Spacing = 12.4 m

Spacing = 12.1 m

339

Figure 14.9

An 6e-Figure_14.9 includes
new n values from EP480 (ASAE Standards 1998) and corrects a slight
misalignment of the 13 mm/d scale.

354

Example 15.1, second equation

P_e = 0.92 [1.25(100)^0.824
…

P_e = 0.92 [1.25(90)^0.824 …

360

Second line after Eq. 15.5

D = yield decline from Table 15.4

D = yield decline from Table 15.3

360

Fourth line after Eq. 15.5

salt tolerance
threshold from Table 15.4

salt tolerance
threshold from Table 15.3

365

Example 15.7, Solution, line 3

Average depth = (0.95 + 0.98 … + 84 +0.88)/16 = 0.84

Average depth = (0.95 + 0.98 … + 0.84 +0.88)/16 = 0.84

365

Example 15.8, Solution, first line

Table 15.4

Table 15.3

365

Example 15.8, Solution, IR equation

235

207

750 mm

796 mm

410

1st paragraph, 2nd sentence

Average root depths of crops are given in Table 15.4 and … MAD are given in Table 15.5.

Average root depths of crops are given in Table 15.3 and …
MAD are given in Table 15.4.

410

Example 17.1, Solution, 2nd line

Table 15.4

Table 15.3

410

Example 17.1, Solution, 4th line

(0.9 m × 120 mm/m) 108 mm

0.9 m × 120 mm/m = 108 mm

410

Example 17.1, Solution, 4th line

Table 15.5

Table 15.4

411

First line

Figure 17.7 be should be

Figure 17.7 should be

420

Step (5), first line

From Step 3

From Step 2

434

Problem 1

Two 186-m sprinkler laterals

Two laterals

434

Problem 1

Insert at the end:

The first sprinkler is one-half spacing from the main.

434

Problem 2

moving each 186-m sprinkler lateral

moving each lateral

445

Section 18.5, 2^nd paragraph, 1^st
line

numbers required depends

numbers required depend

446

Example 18.2, Solution, 1^st line

From Table 15.2

From Table 15.3

450

Step (9)

H_o = 13.83 + …

H_o = 13.88 + …

451

Step (16)

EU = … = 95.6%

EU = … = 95.3%

447

Last paragraph, 2^nd line

with multiple outlets in Table 17.7

with multiple outlets in Table 17.5

454

Step (10)

… flow in the manifold is 0.211 L/s.

.. flow in the manifold is 0.106 L/s.

504

Table B.1, line 44

CPT, Corrugated plastic tubing, 76 to 203 mm. dia.

CPT, Corrugated plastic tubing, 76 to 152 mm dia.

504

Table B.1, line 45

45 CPT, 254 to 305 mm dia. 0.017

45a CPT, 203 mm dia. 0.016

504

Table B.1, line 45

Insert new line after line 45a:

45b CPT, 254 mm dia. 0.017

504

Table B.1, line 45

Insert new line after line 45b:

45c CPT, 305 mm dia. 0.018

506

Table C.2, 1^st column, 5^th line
below headings

10 (4)

102 (4)