WATER & SOIL - These are not the droids you are looking for.

Tables
1.1 Risk ofexceedence for specified L and T pageT characteristics
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4.E Stepwise regressions for all the North Island data 67
l6 4.9 Stepwise regressions for first trial North lsland
22 regions 67
4.10 Stepwise regressions for final North Island regions 69
4.ll Comparable equations for other countries 72
4.12 Prediction errors and equivalent lengths of record 75
5.1 Ranges of catchment areas used to derive regional
flood frequency curves and mean annual flood
equations 77
3.1 The relationship between y and T values for the
EVI distribution
Flow stations used
3.2
3.3
3.4
3.5
3.6
3.7
3.8
Calculations for extending the set of average values
for the Bay of Plenty region 37
Summary of the regional curve characteristics 39
Summary of flow stations in the Nelson area 42
Calculations for extending the sets of average values
for the generalised curves 42
Summary of the cha¡acteristics of the
generalised curves 44
The regional regression equations for
estimating Cp 47
3.9 The grouping and the group equations for estimating
Cp 48
3.10 The CF equations derived for the
generalised curves
48
4.1
54
4.2
56
4.3
l+q
¡1.5
4.6
4,7
South Island catchment characteristics
North Island catchment characteristics
Correlation matrix for logs of the South Island
characteristics
Stepwise regressions for all the South Island data
Stepwise regressions for the South Island regions
Final equations for the South Island regionJ
Correlation matrix for logs of the North Island
58
6l
63
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5.2 Summa¡y of example results using the Regional
Flood Estimation method
4.1 Details of the flow stations used in the first
evaluation test
^.2 Summary of the performa.nce of the methods
in the first test
4.3 Details of the flow stations used in the second
evaluation test 90
^.4 Summary of the performance of the methods in
the second test 90
E.1
F.1
F.2
F.3
Comparison of Q.¡ estimates with TM6l estimates
(Qf) and regional flood estimation estimates 122
List of catchments
123
New flood peak data
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Co-ordinates from regiona-l frequency curves 126
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2.1 Number of water level recorder stations in New
Zealand and time distribution of water level data
page 12
3.1 pdf (part a) and the Of (part U)
ution 13
3.2 Fig. 3.1 as a function of its
4
Figures
4.2
4.3
4.4
4.5
4.6
4.7
4.E
4.9
4.t0
4.tl
4.12
5.1
5.2
F.1
F.2
F.3
F.4
F.5
F.6
F.7
F.E
F.9
F.10
!.ocation of the North Island catchments 57
Q vs A$.EA, South Island catchments Sg
Distribution of residuals from Equation 4.3 û
Plot of errors (log Q - O.SZ log AREA) vs log
MARAIN forEasr Coast Region
Logarithmic residual errors for trial South lsland
regional equations 62
Logarithmic residual errors for fïnal South Island
legional equations
ó5
Q vs AREA, North Island catchments 6
Trial regions for the North Island
6g
Final regions for the North Island 70
Distribution of Cy of annual maxima for the
South Island stations 73
Distribution of Cy of annual maxima for the
North Island stations 74
Flow chart of the design strategy using the Regional
Flood Estimation method
Water & soil technical publication no. 20 (1982)
Location of the Motu catchment above Houpoto g0
Location of catchments 127
Plot of normalised flood frequency data for lake
inflows and Shotover River superimposed on the
West Coast data given in Figure 3.13 l2g
Plot of normalised flood frequency data for the
Pomahaka River and the Southland Rivers l}g
Plot of normalised flood frequency data for East
Otago rivers superimposed on the South Canterbury
datagiven in Figure 3.15
l2g
Average points from Figures F.2, F.3 and F.4
Regions inferred from plots of flood
6l
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l2g
frequencydata 130
Frequency analysis of annual maxima derived for
Clutha river tributaries and the lakes, Manuherikia
and Waiau river tributaries. Regional frequency
curves ¿ìre also shown
l3l
Hydrographs of Shotover, Cleddau and Lake
Wakatipu inflow, 197l-1979
l3l
Hydrographs of two stations in the Southland
region, 197l-1980
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Hydrographs of three Otago stations, l97l-19g0 132