﻿10 
  NEW 
  YORK 
  STATE 
  MUSEUM 
  

  

  PAGE 
  

   The 
  relation 
  of 
  rainfall 
  to 
  runoff 
  (cont'd) 
  

   Runoff 
  (cont'd) 
  

  

  Danger 
  of 
  using 
  percentages 
  118 
  

  

  Runoff 
  coefficient 
  misleading 
  119 
  

  

  Relation 
  between 
  total 
  runoff 
  and 
  runoff 
  of 
  storage 
  period 
  119 
  

  

  Effect 
  of 
  low 
  ground 
  water 
  120 
  

  

  Vermeule's 
  formulas 
  121 
  

  

  Russell's 
  formulas 
  i 
  125 
  

  

  Relation 
  between 
  catchment 
  area 
  and 
  maximum, 
  minimum 
  and 
  

  

  mean 
  runoff 
  125 
  

  

  The 
  extreme 
  low-water 
  period 
  127 
  

  

  Rainfall, 
  runoff, 
  evaporation 
  and 
  variation 
  from 
  the 
  mean 
  on 
  

  

  Hudson 
  and 
  Genesee 
  rivers 
  130 
  

  

  Hudson 
  river 
  130 
  

  

  Genesee 
  river 
  , 
  130 
  

  

  Comparison 
  of 
  rainfalls, 
  Hudson 
  and 
  Genesee 
  rivers 
  131 
  

  

  Comparison 
  of 
  runoffs, 
  Hudson 
  and 
  Genesee 
  rivers 
  131 
  

  

  Comparison 
  of 
  evaporations, 
  Hudson 
  and 
  Genesee 
  rivers 
  132 
  

  

  Variation 
  in 
  weir, 
  measurements 
  132 
  

  

  Genesee 
  and 
  Hudson 
  gagings 
  reduced 
  to 
  sharp-crested 
  weir 
  meas- 
  

   urements 
  133 
  

  

  Evaporation 
  134 
  

  

  Fitz 
  Gerald's 
  formula 
  for 
  evaporation 
  134 
  

  

  Evaporation 
  relations 
  135 
  

  

  Effect 
  of 
  wind 
  and 
  other 
  meteorological 
  elements 
  136 
  

  

  Persistency 
  of 
  evaporation 
  137 
  

  

  Negative 
  evaporation 
  138 
  

  

  Evaporation 
  at 
  Ogdensburg 
  \ 
  140 
  

  

  Croton 
  Water 
  Department's 
  evaporation 
  records 
  141 
  

  

  Evaporation 
  at 
  Rochester 
  144 
  

  

  Drain 
  gages 
  at 
  Geneva 
  144 
  

  

  Hight 
  of 
  water 
  in 
  wells 
  158 
  

  

  The 
  relation 
  of 
  geologic 
  structure 
  to 
  runoff 
  162 
  

  

  Forests 
  j 
  172 
  

  

  Do 
  forests 
  increase 
  rainfall 
  ? 
  ( 
  172 
  

  

  Relation 
  of 
  forests 
  to 
  stream 
  flow 
  173 
  

  

  The 
  Forest 
  preserve 
  174 
  

  

  The 
  Adirondack 
  park 
  175 
  

  

  Area 
  of 
  the 
  Forest 
  preserve 
  176 
  

  

  The 
  Catskill 
  park 
  177 
  

  

  Effect 
  of 
  forests 
  178 
  

  

  Forestation 
  of 
  the 
  Croton 
  catchment 
  area 
  186 
  

  

  Details 
  concerning 
  tables 
  and 
  diagrams 
  188 
  

  

  Topographic 
  relations 
  of 
  the 
  catchment 
  areas 
  of 
  some 
  of 
  the 
  main 
  

  

  streams 
  tabulated 
  188 
  

  

  Family 
  resemblance 
  of 
  streams 
  189 
  

  

  Description 
  of 
  Muskingum, 
  Genesee, 
  Croton 
  and 
  Hudson 
  rivers. 
  . 
  . 
  . 
  190 
  

  

  Description 
  of 
  diagrams. 
  192 
  

  

  Exponential 
  formula 
  - 
  197 
  

  

  Runoff 
  diagrams 
  197 
  

  

  