Acta Geographica Sinica ›› 2015, Vol. 70 ›› Issue (5): 828-836.doi: 10.11821/dlxb201505013
• Orginal Article • Previous Articles Next Articles
Jun YAO(), Ye SHI, Guoan ZHANG(
)
Received:
2015-02-09
Revised:
2015-03-26
Online:
2015-05-20
Published:
2015-05-20
Supported by:
Jun YAO, Ye SHI, Guoan ZHANG. The change process of water and sediment volume of branchingchannel in the Yangtze River during 1958-2013[J].Acta Geographica Sinica, 2015, 70(5): 828-836.
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Tab. 1
The largest tidal volume of south channel in different periods
年 | 区域面积(km2) | 0 m区域面积(km2) | 平均面积(km2) | 大潮升(km2) | 最大进潮量(km2) | |
---|---|---|---|---|---|---|
1958 | 南港上段 | 325.883 | 260.790 | 293.337 | 3.10 | 0.909 |
北槽 | 588.206 | 527.451 | 557.829 | 3.70 | 2.064 | |
南槽 | 569.927 | 459.387 | 514.657 | 4.50 | 2.316 | |
1989 | 南港上段 | 259.586 | 219.363 | 239.475 | 3.50 | 0.838 |
北槽 | 700.341 | 620.947 | 660.644 | 3.80 | 2.510 | |
南槽 | 645.351 | 520.761 | 583.056 | 4.15 | 2.420 | |
1994 | 南港上段 | 259.094 | 219.496 | 239.295 | 3.55 | 0.849 |
北槽 | 762.929 | 648.476 | 705.703 | 3.60 | 2.541 | |
南槽 | 692.344 | 545.160 | 618.752 | 4.05 | 2.506 | |
2004 | 南港上段 | 243.163 | 206.194 | 224.679 | 3.55 | 0.798 |
北槽 | 342.872 | 297.659 | 320.266 | 4.03 | 1.291 | |
南槽 | 642.118 | 469.559 | 555.839 | 4.05 | 2.251 | |
2013 | 南港上段 | 236.958 | 207.836 | 222.397 | 3.60 | 0.801 |
北槽 | 370.112 | 302.278 | 336.195 | 4.03 | 1.355 | |
南槽 | 678.718 | 507.723 | 593.221 | 4.00 | 2.373 |
Tab. 2
The largest tidal volume of north channel in different periods
年 | 区域面积(km2) | 0 m区域面积(km2) | 平均面积(km2) | 大潮升(m) | 最大进潮量(km3) | |
---|---|---|---|---|---|---|
1958 | 北港上段 | 285.056 | 186.898 | 235.977 | 3.10 | 0.732 |
北港下段 | 821.123 | 758.819 | 789.971 | 3.90 | 3.081 | |
1989 | 北港上段 | 240.098 | 196.825 | 218.462 | 3.60 | 0.786 |
北港下段 | 862.716 | 751.084 | 806.900 | 4.00 | 3.228 | |
1994 | 北港上段 | 242.669 | 187.285 | 214.977 | 3.60 | 0.774 |
北港下段 | 843.359 | 745.782 | 794.571 | 3.90 | 3.099 | |
2004 | 北港上段 | 242.911 | 186.515 | 214.713 | 3.60 | 0.773 |
北港下段 | 857.788 | 741.621 | 799.705 | 3.90 | 3.119 | |
2013 | 北港上段 | 220.018 | 202.515 | 211.267 | 3.60 | 0.761 |
北港下段 | 925.307 | 779.198 | 852.253 | 3.90 | 3.324 |
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