INDEX 
235 
Pages 
Net melting 155 
general formula 138 
Watershed B 207-210 
(ni — G\), (nj — Gj), . . . Example of compu- 
tation of 183-184 
Nodal lines on Lake Superior 23 
Normal probability curve 211-219 
Normal equations 
evaporation, Lake Michigan-Huron. 
Final ones 80-81 
evaporation. Lake Superior. Final ones.. 81 
flood-flow. Examples of, Stream B 174-175 
freezing-melting constants 191 
for normal stream-flow. Examples of .. . 161-103 
of Solution V\, Lake Michigan-Huron, 
for determining evaporation and 
run-off 111-112 
Normal stream-flow 
definition of 135 
equation for. Form of 135-139 
normal equations for. Examples of 161-163 
Stream A. Final derived equation of .. . 168 
Stream B. Final derived equation of . . . 170-171 
substitution in observation equations. 
Examples of 169-170 
Observation equations 
criteria for combining and rejecting 51, 73 
evaporation. Absolute term of, as 
affected by seiches 80 
evaporation. Examples of computa- 
tions of known quantities in. . . . 25 
evaporation. Final form used for de- 
termining 8-9 
evaporation. Form of, used in last seven 
least-square solutions for de- 
termining 90-92 
evaporation, Lake Michigan-Huron, 
1909-1913 73-80 
evaporation. Systematic error intro- 
duced in 80 
evaporation and run-off. Example of, 
used in attempt at simultaneous 
determination of 110-111 
flood-flow. Example of 172-173 
flood-flow. Form of, for determining. . . 145-146 
for adjusting S c and 7?io'. Examples of. . 167-168 
freezing-melting. Example of 188-191 
freezing-melting. Form of 141-143 
normal stream-flow. Example of 148-161 
normal stream-flow. Form of, for de- 
termining 144-145 
Solution BB 2 . Study of form of 98-99 
Order of presentation 
Part 1 8 
Part II 134-135 
Outcome 
of investigation 7-8 
Outflow from 
lake. General definition 9 
Lake Michigan-Huron. Formula used 
for computing 12 
Lake Michigan-Huron. Example of 
computation of 31 
Lake Superior, formula used for comput- 
ing 11 
Outflow to 
lakes below 16 
Lake Erie from Lake Michigan-Huron, 
1909-1913 52-72 
Paobi 
1-130 
133 
134 
Part I 
a new evaporation formula 
introduction 
order of presentation 
summary 229-230 
Part II 
a new method of estimating stream-flow . 131-230 
introduction 1 33 
order of presentation 134 135 
summary 119-120, 129-130 
Pearson 
frequency curve 212-219 
type III curve. Constants for 217 
Plate 1 10, 13, 25, 29, 32, 90, 107 
2 19, 20, 21 
3 24, 90 
4 10, 13, 15, 29, 90 
5 13, 85, 86, 90 
6 91,93,94,96 
7 178 
8 178 
Plates 9 to 19 155, 199-205 
Plate 20 214, 216, 218 
21 218, 219 
22 160, 219 
Presentation 
order of, Part 1 8 
order of, Part II 134 
Probability curve 
normal 211-219 
Pearson 212-219 
Principal facts from 
seven final least-square solutions for de- 
termining evaporation 
two final evaporation solutions, Lakes 
Michigan-Huron and Superior., 
two final solutions for determining freez- 
ing-melting constants 
Rainfall 
conversion factors 
estimate for Great Lakes, case 1 
estimate for Great Lakes, case 2 
estimate for Lakes Michigan-Huron and 
Superior 
on lake. Definition 
on Lake Michigan-Huron 
on Lake Superior 
on Lake Michigan-Huron, daily, 1909- 
1913 
on land 
on Watershed B 207-210 
Rainfall stations 
near Lake Michigan-Huron 
near Lake Superior 
on Lake Michigan-Huron drainage area 
on Lake Superior drainage area 
on Stream A watershed 
Ei 
Ratio 
90-92 
81 
192 
12, 14 
17 
17 
18 
9, 13 
13 
13 
52-72 
13 
10, 12 
11, 13 
14-15 
15 
150 
Em 
16-18 
evaluation of, for Great Lakes 
example of computation of 160-161 
value used on Stream A 150 
Ratio 
frequency. Weighted mean 218 
land to drainage area, Great Lakes 17 
Rejections 
criterion for determining 51, 73 
Residuals 
definition of 
of Solutions Vz and BBi studied to esti- 
mate shape of evaporation 
curve 
9, 80 
94-96 
