表 2-14 某 57 个流域盆地地理要素数据
|
序号 |
x1 |
x2 |
x3 |
x4 |
x5 |
x6 |
x7 |
x8 |
|---|---|---|---|---|---|---|---|---|
|
1 |
760 |
5490 |
1.704 |
2.481 | 30 |
2.785 |
31.8 |
20 |
|
2 |
1891 |
4450 |
2.765 |
4.394 | 30 |
5.833 |
37.0 |
26 |
|
3 |
325 |
5525 |
1.500 |
2.660 | 36 |
3.042 |
21.1 |
25 |
|
4 |
515 |
4760 |
2.750 |
5.320 | 117 |
4.844 |
30.1 |
98 |
|
5 |
513 |
6690 |
1.142 |
2.080 | 32 |
5.100 |
25.7 |
26 |
|
6 |
1570 |
8640 |
6.130 |
10.210 | 76 |
4.290 |
24.9 |
61 |
|
7 |
2210 |
8415 |
8.760 |
15.000 | 66 |
4.500 |
26.6 |
56 |
|
8 |
515 |
7040 |
1.300 |
1.260 | 13 |
3.500 |
22.2 |
10 |
|
9 |
1192 |
6258 |
8.447 |
30.606 | 286 |
6.500 |
29.1 |
225 |
|
10 |
1540 |
6280 |
5.174 |
11.383 | 82 |
4.070 |
23.3 |
63 |
|
11 |
950 |
8520 |
2.880 |
6.870 | 62 |
3.650 |
27.2 |
47 |
|
12 |
850 |
9460 |
7.480 |
7.790 | 30 |
4.900 |
11.6 |
24 |
|
13 |
1237 |
5937 |
2.046 |
2.993 | 28 |
2.720 |
29.6 |
19 |
|
14 |
553 |
7480 |
4.120 |
22.800 | 407 |
4.310 |
21.0 |
305 |
|
15 |
281 |
7050 |
3.360 |
8.240 | 83 |
4.190 |
8.20 |
67 |
|
16 |
1242 |
6525 |
3.520 |
7.490 | 51 |
3.790 |
29.2 |
41 |
|
17 |
889 |
7836 |
3.295 |
8.655 | 65 |
3.740 |
32.4 |
50 |
|
18 |
1342 |
5340 |
3.120 |
7.810 | 69 |
8.340 |
33.0 |
56 |
|
19 |
4523 |
4879 |
10.370 |
78.510 | 507 |
4.490 |
39.3 |
398 |
|
20 |
3275 |
6050 |
5.050 |
11.530 | 50 |
3.570 |
30.4 |
38 |
|
21 |
1510 |
5490 |
4.090 |
12.960 | 116 |
4.888 |
30.0 |
98 |
|
22 |
1655 |
5245 |
2.580 |
4.420 | 30 |
2.833 |
31.9 |
21 |
|
23 |
1655 |
5245 |
2.560 |
5.460 | 45 |
3.42 |
33.7 |
34 |
|
24 |
1475 |
4450 |
1.837 |
2.064 | 18 |
4.75 |
37.0 |
15 |
|
25 |
2144 |
4197 |
4.148 |
9.942 | 71 |
4.227 |
35.0 |
57 |
|
26 |
515 |
6650 |
1.050 |
1.260 | 17 |
5.100 |
27.4 |
14 |
|
27 |
834 |
6450 |
5.909 |
16.099 | 160 |
6.440 |
31.1 |
134 |
|
28 |
834 |
6450 |
5.379 |
10.758 | 110 |
4.630 |
31.1 |
90 |
|
29 |
1010 |
6745 |
4.242 |
13.694 | 109 |
4.430 |
24.6 |
86 |
|
30 |
543 |
6745 |
1.856 |
2.898 | 18 |
2.420 |
24.6 |
13 |
|
31 |
621 |
7099 |
2.273 |
3.863 |
27 |
4.600 |
24.6 |
21 |
0.278 |
|---|---|---|---|---|---|---|---|---|---|
|
32 |
1290 |
6745 |
4.924 |
12.993 |
85 |
4.250 |
27.8 |
69 |
0.947 |
|
33 |
955 |
7080 |
2.083 |
2.387 |
20 |
2.78 |
27.8 |
16 |
0.1930 |
|
34 |
885 |
7150 |
1.553 |
1.554 |
10 |
2.75 |
27.8 |
7 |
0.1290 |
|
35 |
847 |
7188 |
1.591 |
1.610 |
14 |
3.17 |
31.3 |
10 |
0.0940 |
|
36 |
798 |
7188 |
1.098 |
1.023 |
11 |
3.00 |
31.3 |
8 |
0.0645 |
|
37 |
1039 |
5961 |
2.727 |
3.295 |
28 |
5.50 |
29.6 |
24 |
0.2520 |
|
38 |
1213 |
5961 |
3.030 |
6.894 |
49 |
6.43 |
29.6 |
41 |
0.4580 |
|
39 |
1074 |
5813 |
2.500 |
2.954 |
30 |
5.33 |
29.6 |
26 |
0.3200 |
|
40 |
370 |
8295 |
1.740 |
2.000 |
21 |
4.33 |
17.8 |
17 |
0.1560 |
|
41 |
430 |
8240 |
2.130 |
2.310 |
14 |
3.75 |
18.9 |
11 |
0.1820 |
|
42 |
690 |
8410 |
1.630 |
1.680 |
12 |
3.25 |
18.9 |
9 |
0.1080 |
|
43 |
773 |
8410 |
2.070 |
2.410 |
18 |
3.83 |
18.9 |
17 |
0.1980 |
|
44 |
100 |
6790 |
0.830 |
1.400 |
25 |
4.40 |
11.4 |
19 |
0.0429 |
|
45 |
80 |
6790 |
0.550 |
0.470 |
10 |
2.75 |
11.4 |
7 |
0.0130 |
|
46 |
96 |
6765 |
0.650 |
0.730 |
15 |
4.00 |
11.4 |
12 |
0.0215 |
|
47 |
2490 |
6535 |
11.970 |
59.450 |
363 |
2.87 |
28.0 |
293 |
4.9300 |
|
48 |
1765 |
6575 |
7.350 |
21.760 |
140 |
3.46 |
26.7 |
114 |
1.9400 |
|
49 |
1158 |
6862 |
2.689 |
4.717 |
34 |
3.23 |
32.8 |
26 |
0.3580 |
|
50 |
1070 |
7055 |
2.178 |
3.448 |
26 |
2.70 |
32.8 |
18 |
0.2730 |
|
51 |
1495 |
7055 |
2.917 |
3.939 |
27 |
2.67 |
32.8 |
18 |
0.2995 |
|
52 |
1601 |
6949 |
2.803 |
4.205 |
28 |
3.08 |
32.8 |
21 |
0.3200 |
|
53 |
1251 |
5135 |
7.760 |
23.150 |
160 |
3.86 |
29.5 |
131 |
1.1920 |
|
54 |
1587 |
5095 |
6.160 |
17.020 |
119 |
4.71 |
29.9 |
98 |
1.3900 |
|
55 |
1230 |
5120 |
4.740 |
8.460 |
54 |
3.79 |
23.4 |
43 |
0.8110 |
|
56 |
1290 |
4960 |
2.040 |
2.800 |
24 |
6.25 |
37.0 |
21 |
0.1910 |
|
57 |
2400 |
4920 |
2.260 |
3.290 |
27 |
5.16 |
36.2 |
23 |
0.2580 |
道总数,x6 为平均分叉率,x7 为河谷最大坡度(度),x8 为河源数及 x9 为流域盆地面积(km2)的原始数据如表 2-14 所示。张超先生(1984)曾用这些地理要素的原始数据对该区域地貌-水文系统作了主成分分析。下面,我们将其作为主成分分析方法在地理学研究中的一个应用实例介绍给读者,以供参考。
