INDEX 
Abassia evaporation formula. Comparison 
with one developed in investi- 
gation 
Accuracy 
of computed evaporation 
of computed flood-flow 
of computed normal stream-flow 
of computed stream-flow, as tested by 
graphs 
of computed stream-flow, as tested by 
numerical comparison 
of computed total stream-flow. Tests of 
overall 
of determination of mean elevation of 
whole lake surface 
of estimated constant part of run-off into 
Lake Michigan-Huron 
of freezing-melting constants 
Acknowledgments 
Part I. Data used and 
Part II. Data used and 
Additional adjustments to normal-flow equa- 
tion 
Adopted values 
of constants on Streams A and B. Sum- 
mary of 
of evaporation constants 
of flood-flow constants, Stream A 
of flood-flow constants, Stream B 
of freezing-melting constants 
of frequency curve ratios 
of normal stream-flow constants, Stream 
A 
of normal stream-flow constants, Stream 
B 
Appendix to Part I 
Application this research to 
determination effect forest cover on run- 
off from watersheds 
estimating evaporation from water and 
land surfaces 
forecasting flow of a stream 
increasing length of record of stream-flow . 
other streams 
regulation of Great Lakes 
Areas, Great Lakes and their drainage basins . 
Assumptions made in this investigation 
Assumption No. 5 
6 
7 
8 
9 
10 
11 
12 
Authorities mentioned 
Abassia 
Carpenter 
Cox, Henry J 
Donnel, C. A 
Fitzgerald 
Freeman, John R 
Harza, L. F 
Hayford, John F 
Horton, Robert E 
Marvin, Charles F 
Meyer, Adolph 
Pages Paqeb 
Authorities mentioned — Continued 
Stelling 126-129 
126-129 Stupart, R. F 6 
Barometric corrections 
121-122 daily. Example of computation of 41 
197 example of computation of 33 
194-196 formulas for computing 21 
method of computing 21-22 
199-205 Barometric effects 
hourly 19-20 
205-207 hourly. Example of computation of ... . 40 
Barometric points, location of 19 
197-207 Barometric pressures and gradients 39 
Best Values 
81-82 of Ei and J? 2 82 
/ w \ 
U7 of x in the expression! —rr^ — x I 90-102 
192-196 Canadian Meteorological Service 
regular stations near Lake Michigan- 
v, 5-6 Huron 10 
133-134 regular stations near Lake Superior 11 
Carpenter, evaporation formula. Compari- 
166-168 son with one developed in this 
investigation 126-129 
Combinations, criterion for determining 51, 73 
195 Comparison computed with observed stream- 
82 flow 
178 daily comparison 205 
177 flood with non-flood months 205 
193 monthly 206 
216 period 1914-1915 with 1911-12-13 206 
spring floods 206-207 
168 yearly 207 
Computed stream-flow accuracy of, tested by 
171 numerical comparison 205-207 
121-130 Conclusions 
on evaporation formulas, comparison of . . 129-130 
general, to Part I. Summary of 119-120 
229 general, to Part II. Summary of 229-230 
Constants of Pearson's Type III curve for 
8 various streams 217 
228-229 Conversion factor Stream A 150 
225-226 Correction 
222-229 barometric. Formulas for computing .. . 21 
7-8 barometric. Method of computing 21-22 
17 for daily barometric pressures. Exam- 
ple of computation of 41 
10 for hourly barometric pressures. Exam- 
137 pie of computation of 40 
137 for winds. Example of computation of. 43 
137 Lake Michigan-Huron. Total daily, for 
140 income and outgo, 1909-1913 . . 52-72 
140 water-levels at Harbor Beach, for winds 
140 and barometric effects 44-51 
140 water-levels at Mackinaw for winds and 
barometric effects 44-51 
126-129 water-levels at Milwaukee, for winds and 
126-129 barome+ric effects 41-51 
6, 133 Criterion 
133 for combining two or more equations 51, 73 
126-129 for determining rejections 51, 73 
122-126 Cumberland River 216 
133 Data used and acknowledgments 
v, 4, 7 Part 1 5-6 
126, 194 Part II 133-134 
6, 129 Definition of 
122-126 change in storage 149 
231 
