251 
Table 2 Linear regression analysis results for measured R(O-) and co 4 (r, is equal to the x-coefficient in the regression 
equation; S y = standard error of the x-coefficient; S y . = standard error of the y estimate; 
/= coefficient of determination; 0 = solar zenith angle; sky = atmospheric condition at time of measurement: s = 
sunny clear sky, h = hazy, c = some clouds, o = completely overcast). See text for explanation of other symbols. 
Sample 
r 0 
r l 
S x . 
Sy 
r 2 
0 
sky 
co 0 
< 
-PAR - 
*5 
> 
shallow eutrophic 
B' = 
0.0245 
LHA 
-0.013 
0.481 
0.012 
0.008 
0.89 
67 
h 
0.85 
0.12 
145 
LWG 
-0.028 
0.497 
0.013 
0.005 
0.87 
43 
s/h 
0.89 
0.18 
2236 
LEL1 
- 0.002 
0.266 
0.010 
0.007 
0.78 
43 
c 
0.86 
0.12 
14.45 
LEL2 
- 0.002 
0.151 
0.006 
0.004 
0.76 
46 
c 
0.87 
0.13 
14.71 
LEL3 
-0.004 
0.206 
0.008 
0.007 
0.77 
67 
ole 
0.89 
0.15 
15/D 
LVU 
-0.003 
0.286 
0.015 
0.012 
0.66 
55 
o 
0.90 
0.14 
22 № 
LLO 
- 0.010 
0.376 
0.015 
0.012 
0.77 
50 
0 
0.89 
0.14 
2206 
LBR 
-0.006 
0.253 
0.011 
0.009 
0.73 
49 
s 
0.91 
0.15 
25 IB 
shallow mesotrophic 
B' = 
0.0375 
LNS 
0.000 
0.186 
0.004 
0.001 
0.93 
51 
s 
0.59 
0.06 
1J7 
LSA 
-o.doi 
0.200 
0.002 
0.001 
0.98 
61 
h 
0.71 
0.08 
335 
LWL 
-0.000 
0.135 
0.002 
0.001 
0.97 
57 
s 
0.66 
0.07 
3J3 
deep meso-eutrophic 
B' = 
0.0420 
LSP1 
-0.000 
0.564 
0.009 
0.002 
0.96 
45 
s/h 
0.61 
0.03 
038 
LSP2 
- 0.002 
0.498 
0.007 
0.002 
0.97 
47 
s/h 
0.55 
0.05 
Off 
LWB1 
-0.003 
0.121 
0.004 
0.005 
0.83 
46 
s/h 
0.88 
0.35 
13» 
LWB2 
0.005 
0.153 
0.004 
0.005 
0.86 
44 
s/h 
0.78 
0.19 
2 £ 
WR 
-0.000 
0.274 
0.004 
0.001 
0.97 
50 
s 
0.46 
0.04 
06) 
river & canal 
B' = 
0.0455 
HIK 
- 0.002 
0.241 
0.005 
0.003 
0.92 
42 
h 
0.80 
0.08 
153B 
ARK 
- 0.010 
0.235 
0.004 
0.006 
0.94 
59 
s 
0.86 
0.31 
738 
RVE 1 
-0.004 
0.201 
0.002 
0.002 
0.98 
52 
s/c 
0.81 
0.17 
63B 
RVE2 
-0.006 
0.526 
0.003 
0.001 
0.99 
57 
s/c 
0.68 
0.07 
2.45