WATER & SOIL - These are not the droids you are looking for.
WATER & SOIL - These are not the droids you are looking for.
WATER & SOIL - These are not the droids you are looking for.
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4.6 Analysis of North lsland data<br />
4.6.1 Preliminary analysis of data<br />
10 100<br />
[otchmenf Areo ( kmz)<br />
Figure 4.8 O vs AREA, North lsland catchments.<br />
a : 1.87 AREA o sr<br />
(R': = 0.69, se = 0.442)<br />
44<br />
As with section 4.5 <strong>the</strong> object of this section is to devise<br />
estimators of Q ttrat <strong>are</strong> better than Equation +.+ Uy using<br />
variables besides AREA, and by choosìng a number of re_<br />
grons.<br />
Stepwise regression results<br />
_<br />
<strong>for</strong> all 97 stations <strong>are</strong> tab_<br />
ulated in Table 4.8. The best fit equation obtained is<br />
a = 1.37 x l0-'AREA1 t3l2z4t,EeMARAIN¡ o?<br />
(R'? = 0.81, se = 0.348)<br />
45<br />
Examinati<br />
errors from<br />
which berter<br />
followed is s<br />
tion of residual<br />
it ïå'å:ì#i<br />
and.<br />
4.6.2 Development of trial regional estimators<br />
tween MARAIN and 1224 (0.30 comp<strong>are</strong>d with 0.75). phys_<br />
ically this may be a reflection of <strong>the</strong> sparseness Water òf & <strong>the</strong> soil net_ technical publication no. 20 (1982)<br />
66
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