Table 1. Sampling Points and Agency of Analysis
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Figure 1. Schematic Map of Sampling Points along Tamagawa River, Tokyo, JAPAN
$B!V8x6&MQ?e0h$*$h$SCO2eN.0h!"B,DjE@#7$NF|Ln66$+$iB,DjE@(B15$B$NED1`D4I[1a$^$G$rCfN.0h!"B,DjE@(B16$B$H(B17$B$NO;6?66$HBg;U66$r2
Table 2. Abbreviations and explanation of chemical index of water analysis
$B
Table 3. Values of chemical index of water analysis (1997-1999)
$B5U$KBhFs
Table 4. REGR factor score of the first and second principal components
$B$h$j>\:Y$K$_$k$HBhFs
$B$3$l$i$N7k2L$r?e
$B$?$@
$B$^$?!"(BFigure 5$B$K<($9A4BN$N798~$H!"(BFigure 6$B$N(B1998$BG/$N798~$,$h$/;w$F$$$k$3$H$O!"(B1998$BG/$NCfN.0h$G$N(BNH4-N$B$KH?1G$9$k1x@w$,Bg$-$J$b$N$G$"$C$?$3$H$r<(:6$7$F$$$k!#(B
$B$$$D$bM-1W$J8f5DO@$r$7$F$$$?$@$$$F$$$k!"$*Cc$N?e=w;RBg3X$N:YLp<#IW65
Table 2$B$K%Q%i%a!<%?$N@bL@$HN,9f!"(BTable 3$B$K2r@O$KMQ$$$?%G!<%?$r<($7$?!#(BTable 2$B$*$h$S(BTable 3$B$K$O!">eN.!"CfN.!"2
1997 Feb. pos. pH DO BOD COD T-N T-P Cl- NH4-N NO2-N NO3-N PO4-P COND $B-!OBED66(B 1 7.6 12.3 0.5 1.2 0.77 0.008 2 0.01 0.002 0.72 0.003 108 $B-"D4I[66(B 1 7.7 12.4 0.5 1 1.02 0.011 2 0.01 0.002 0.96 0.005 106 $B-#1)B<1a(B 1 7.8 13.5 0.5 1.4 0.93 0.014 3 0.01 0.002 0.83 0.010 118 $B-$1JED66(B 1 8.0 12.1 0.5 1.6 1.35 0.011 4 0.02 0.005 1.20 0.007 134 $B-%GREg86?eJd5kE@(B 1 8.6 15.5 0.5 1.2 2.24 0.008 6 0.01 0.007 2.03 0.003 179 $B-&GREg66(B 1 8.2 12.8 1.1 1.6 2.67 0.011 7 0.02 0.008 2.53 0.009 155 $B-'F|Ln66(B 2 7.8 10.5 2.0 4.7 7.19 0.557 28 0.52 0.178 6.01 0.506 284 $B-(4X8M66(B 2 7.7 10.4 2.8 5.1 6.64 0.496 28 0.80 0.227 5.21 0.462 296 $B-)@'@/66(B 2 7.8 11.0 1.8 4.9 6.13 0.596 30 0.59 0.205 4.95 0.572 316 $B-*B?K`@n8666(B 2 7.1 8.8 5.0 8.1 9.24 0.763 41 0.67 0.589 7.47 0.635 341 $B-+B?K`?eF;66(B 2 7.4 10.6 4.3 7.2 8.34 0.663 37 0.72 0.407 6.47 0.546 318 $B-,5N2< 2 7.7 11.9 3.3 5.6 8.58 0.633 35 0.02 0.350 6.56 0.571 376 $B--Bh;05~IMB?K`@n66(B 2 7.4 10.7 4.2 6.5 7.68 0.603 36 0.53 0.367 6.53 0.500 317 $B-.D4I[ 2 7.7 11.2 2.7 5.6 7.48 0.540 36 0.05 0.261 6.62 0.479 378 $B-/ED1`D4I[1a>e(B 2 7.5 11.1 3.6 6.4 7.64 0.610 38 0.51 0.343 6.23 0.481 315 $B-0O;6?66(B 3 7.4 9.6 2.0 6.3 8.13 0.514 3400 2.16 0.353 4.79 0.425 8670 $B-1Bg;U66(B 3 7.5 9.3 2.1 5.2 6.42 0.372 8220 1.12 0.281 3.38 0.302 18100
1998. Feb. pos. pH DO BOD COD T-N T-P Cl- NH4-N NO2-N NO3-N PO4-P COND $B-!OBED66(B 1 7.3 11.9 0.5 0.9 0.68 0.008 1 0.01 0.002 0.62 0.005 97 $B-"D4I[66(B 1 8.0 12.1 0.5 1.3 0.61 0.019 2 0.05 0.05 0.57 0.005 101 $B-#1)B<1a(B 1 7.2 12.6 0.5 0.9 0.65 0.012 2 0.01 0.002 0.59 0.006 104 $B-$1JED66(B 1 8.1 12.3 0.6 1.7 0.75 0.026 2 0.05 0.05 0.59 0.006 125 $B-%GREg86?eJd5kE@(B 1 7.3 12.7 0.5 0.9 1.37 0.012 5 0.01 0.004 1.05 0.007 135 $B-&GREg66(B 1 8.0 12.2 0.7 1.7 1.10 0.029 3 0.05 0.05 0.88 0.011 148 $B-'F|Ln66(B 2 7.5 9.7 2.8 6.5 7.64 0.894 43 0.96 0.26 6.02 0.801 391 $B-(4X8M66(B 2 7.3 8.9 2.7 5.5 8.34 0.598 37 0.79 0.19 6.79 0.508 379 $B-)@'@/66(B 2 7.6 9.7 2.0 6.3 8.91 0.756 41 0.59 0.19 7.68 0.669 427 $B-*B?K`@n8666(B 2 7.3 9.8 3.1 7.3 9.80 0.891 50 0.43 0.28 8.74 0.780 379 $B-+B?K`?eF;66(B 2 7.4 10.0 3.8 6.5 9.55 0.856 44 0.45 0.34 8.03 0.764 348 $B-,5N2< 2 7.5 10.6 1.7 5.1 9.08 0.636 39 0.15 0.161 8.24 0.581 384 $B--Bh;05~IMB?K`@n66(B 2 7.5 10.5 2.8 6.2 9.13 0.687 43 0.59 0.26 7.92 0.618 355 $B-.D4I[ 2 7.2 9.3 6.8 6.2 8.18 0.665 39 0.65 0.167 6.17 0.353 392 $B-/ED1`D4I[1a>e(B 2 7.6 10.9 2.6 6.1 8.96 0.710 43 0.48 0.24 7.85 0.648 353 $B-0O;6?66(B 3 7.6 9.6 11 8.9 8.54 0.741 11200 0.48 0.16 3.29 0.143 27400 $B-1Bg;U66(B 3 7.9 10.0 4.7 5.3 5.86 0.314 13000 0.41 0.15 3.11 0.258 31400
1999. Feb. pos. pH DO BOD COD T-N T-P Cl- NH4-N NO2-N NO3-N PO4-P COND $B-!OBED66(B 1 7.4 12.3 0.5 1.0 0.62 0.008 1 0.01 0.002 0.56 0.003 95 $B-"D4I[66(B 1 7.8 12.8 0.5 1.3 0.62 0.011 2 0.05 0.005 0.55 0.008 106 $B-#1)B<1a(B 1 7.3 12.9 0.5 1.1 0.61 0.024 2 0.01 0.002 0.49 0.003 104 $B-$1JED66(B 1 7.9 12.9 0.5 1.5 0.65 0.012 2 0.05 0.005 0.56 0.008 116 $B-%GREg86?eJd5kE@(B 1 7.2 13.9 0.6 1.1 1.06 0.010 3 0.01 0.003 0.94 0.005 131 $B-&GREg66(B 1 7.9 12.7 0.5 1.4 1.11 0.022 3 0.05 0.005 1.02 0.010 148 $B-'F|Ln66(B 2 7.5 10.1 3.1 6.3 6.95 0.816 36 0.83 0.276 5.44 0.72 382 $B-(4X8M66(B 2 7.5 10.8 4.2 6.9 7.79 0.713 35 0.99 0.348 6.09 0.634 397 $B-)@'@/66(B 2 7.5 10.7 2.4 7.0 8.06 0.770 39 0.57 0.260 6.68 0.707 413 $B-*B?K`@n8666(B 2 7.3 10.1 3.5 7.0 9.15 0.829 41 0.42 0.327 7.85 0.708 464 $B-+B?K`?eF;66(B 2 7.5 10.7 2.4 6.3 9.43 0.837 41 0.43 0.294 7.62 0.731 448 $B-,5N2< 2 7.3 10.9 1.4 5.1 8.93 0.677 39 0.17 0.180 8.20 0.659 380 $B--Bh;05~IMB?K`@n66(B 2 7.5 11.2 2.0 5.5 8.91 0.685 40 0.41 0.207 7.70 0.568 445 $B-.D4I[ 2 7.4 9.7 1.5 5.0 9.23 0.663 36 0.28 0.183 7.78 0.634 386 $B-/ED1`D4I[1a>e(B 2 7.7 11.5 1.7 5.5 8.79 0.733 40 0.26 0.204 7.31 0.641 454 $B-0O;6?66(B 3 7.4 9.8 2.6 6.3 8.71 0.484 4210 3.04 0.242 4.48 0.388 14600 $B-1Bg;U66(B 3 7.6 9.0 2.3 4.8 4.74 0.270 10203 0.72 0.184 2.41 0.218 34100 3 $B
[ 1] $B5\2
Figure 2. Sorted coefficients in the first principal component
Figure 3. Sorted coefficients in the second principal component
$BBh0l
1997 1998 1999 Position pos First Second First Second First Second 1 1 -3.416 -0.059 -3.2 -0.102 -3.35 -0.106 2 1 -3.475 -0.069 -3.5 0.0834 -3.65 -0.027 3 1 -3.742 -0.142 -3.29 -0.205 -3.4 -0.198 4 1 -3.434 0.0385 -3.51 0.1037 -3.7 -0.006 5 1 -4.469 -0.229 -3.25 -0.234 -3.46 -0.36 6 1 -3.34 -0.035 -3.33 0.0643 -3.55 -0.034 7 2 0.6631 -0.587 2.547 -0.7 2.139 -0.615 8 2 0.8876 -0.296 1.956 -0.471 2.411 -0.486 9 2 0.5345 -0.607 2.042 -0.869 2.058 -0.926 10 2 4.2193 -0.662 3.152 -1.157 2.886 -1.005 11 2 2.5541 -0.562 3.009 -1.014 2.326 -1.143 12 2 1.3003 -0.992 1.282 -1.128 1.468 -1.326 13 2 2.0611 -0.578 2.104 -0.883 1.423 -1.038 14 2 0.8614 -0.816 2.303 0.065 1.665 -1.07 15 2 1.6896 -0.625 1.849 -0.974 1.197 -1.138 16 3 2.4256 1.4307 2.974 5.4314 2.58 2.532 17 3 1.2656 3.1877 0.675 5.4827 0.558 5.0519
Figure 4. the K-L plot of component score
4 $B#3AX%Q!<%;%W%H%m%s7?%K%e!<%i%k%M%C%H%o!<%/$NF~NO%Q%i%a!<%?$NJPHyJ,78?t2r@O$N7k2L(B
$B@D;3$N3+H/$7$?#3AX%Q!<%;%W%H%m%s7?%K%e!<%i%k%M%C%H%o!<%/$NF~NO%Q%i%a!<%?$NJPHyJ,78?t2r@OK!(B[2, 3]$B$r?7$?$K2f!9$,3+H/Cf$N%Q!<%;%W%H%m%s7?%K%e!<%i%k%M%C%H%o!<%/%7%_%e%l!<%?(BNeco[6 - 11]$B$K
$BJPHyJ,78?t2r@O$O!"F~NO%Q%i%a!<%?$N46
$B#3G/4V$N(B51$B%G!<%?$rMQ$$$?JPHyJ,78?t$NJ?6QCM$r$=$l$>$l(BFigure 5$B$K<($7$?!#Hy78?t$NCM$O>.$5$/!"$3$l$i$NJQ?t$OC1FH$G$O$I$l$b$"$^$jBg$-$J1F6A$r>eN.!&CfN.!&2
Figure 5. Averaged differential coefficients (1997-1999)
$B$5$i$K!"(BFigure 6$B$K3FG/EY$4$H$N%G!<%?$rMQ$$$?Hy78?t$NJ?6QCM$r<($7$?!#2=3XE*%Q%i%a!<%?$N>eN.!&CfN.!&2
Figure 6. Averaged Differential Coefficients of 1997, 1998 and 1999
5 $B$^$H$a(B
$BB?K`@n$N(B17$BCOE@$K$*$1$k?e
$BB?K`@n$N?e
[ 3] Aoyama, T., Wang, Q., Zhu, H., Nagashima, U., IPSJ-SIG notes, 2000-HPC-84, 7 (2000).
[ 4] $B8x6&MQ?e0h5Z$SCO2
[ 5] Excel$BE}7W(B2000, $B
[ 7] $B0f?\K'H~(B,$BD9Eh1@J<(B,$B:YLp<#IW(B,$BBgEgLP(B,$B:dK\MK;R(B,$B@D;3CRIW(B, J. Chem. Software, 3, 1 (1996).
[ 8] Isu, Y., Nagashima, U., Aoyama,T., Hosoya,H., J. Chem. Info. Comp. Sci., 36, 286 (1996).
[ 9] $BF#C+9/;R(B,$B>.Ln;{8w1J(B,$B0f?\K'H~(B,$BD9Eh1@J<(B,$B:YLp<#IW(B,$B@D;3CRIW(B, J. Chem. Software, 4, 19 (1998).
[10] $BEDEg@!7C(B,$B>>K\9bMx(B,$BEDJUOB=S(B,$BD9Eh1@J<(B,$B:YLp<#IW(B,$B@D;3CRIW(B, J. Chem. Software, 6, 115 (2000).
[11] $BJ!EDJ~;R(B,$BEDEg@!7C(B,$B:XF#5WEP(B,$BD9Eh1@J<(B,$B:YLp<#IW(B,$B@D;3CRIW(B, J. Chem. Software, 7, 115 (2001).
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