INDEX 
237 
Pages 
Stream-flow — Continued 
flood-flow — continued 
form of equation for 139 
observation equation for determin- 
ing 145-146 
forecasting. Application this method to. 228-229 
increasing length of record of 225-220 
new method of estimating, (Part II) ... . 131-230 
normal 
accuracy of computed 194-196 
additional adjustments 166-168 
form of equation for 135-139 
method of smoothing the derived 
constants 165-166 
normal equations for. Examples of. 161-163 
observation eqtiation 144-145 
observation equations. Example of 148-161 
Stream-flow formulas, method of converting 
constants of, to percentages. . . . 163-165 
Stream travel 222-225 
Substitution in observation equations 
for flood-flow. Example of 177-178 
for normal stream-flow. Example of. . . . 169-170 
Summary 
of constants derived in stream-flow in- 
vestigation 194-195 
of general conclusions to Part 1 119-120 
of general conclusions to Part II 229-230 
Surface of lake, rise in mean 19 
Systematic error, introduced in evaporation 
observation equation by as- 
sumption of constant run-off ... 80 
Temperature stations, Stream A 150 
Thalweg travel 222-224 
Theoretical, residual distribution. Compari- 
son with actual 
Solution V b 86-90 
Theory, r6sume of 219-222 
U. S. Weather Bureau 
meteorological stations near Lake Michi- 
gan-Huron 10 
meteorological stations near Lake Super- 
ior 11 
Ei 
Value of ^r adopted for Great Lakes region ... 18 
Values of G for streams A and B 171-172 
Vapor-pressure 
potential. Definition of 8, 83, 84 
potential. Example of computation of, 
Lake Michigan-Huron 25 
saturation 83 
reference to tables from which ob- 
tained 150 
Vapor-pressure stations, Stream A 150 
Water, evaporation from. Definition 16 
Water-levels 
at Harbor Beach, corrected for winds and 
barometric pressures 44-51 
at Mackinaw, corrected for winds and 
barometric pressures 44-51 
Paoeb 
Water-levels — Continued 
at Milwaukee, corrected for winds and 
barometric effects 41-51 
Watershed B, evaporation, net^metling, rain- 
fall and run-off 207-210 
Weights 
assigned to 
evaporation curves, Lakes Michigan- 
Huron and Superior 06, 97 
gage readings on Lake Michigan- 
Huron 21 
Wind correction. Example of computation of 43 
Wind effect 
formula for 22 
on water levels at Harbor Beach 22-23 
water levels at Mackinaw 22-23 
water levels at Marquette 22-23 
on water levels at Milwaukee 22-23 
Wind 
minimum which affects evaporation 
definition g 
first approximations to 93-97 
of small velocity has little or no effect 
on evaporation. Evidence from 
Solution V 2 93, 94 
movement, Stream A 155 
Wind term ( TKg" - *) 
definition of 9 
best value of a; in 90-102 
example of computation of, Lake Michi- 
gan-Huron 29 
Wind travel 
Definition of. 9, 83, 84 
Lake Michigan-Huron. Method of com- 
puting mean 29 
Wind velocities above 10.8 miles per hour. 
Evaporation linear function of 99-103 
Winds and barometric effects. Corrections of 
water-levels — 
at Harbor Beach for 44-51 
at Mackinaw for 44-51 
at Milwaukee for 44-51 
x/ and x 
definitions of 143 
example of computation of 185-186 
x n 
definition of 143 
example of computation of 184-185 
Vn 
definition of 142 
example of computation of 186-187 
z/ and z 
definitions of 143 
example of computation of 188-190 
definition of 143 
example of computation of 188-189 
