海岸新月形沙丘移动与形态变化的典型研究
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董玉祥, 黄德全
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Typical Research on the Movement and Topographic Change of Coastal Crescent Dune
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Yu-xiang DONG, De-quan HUANG
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| 表4 翡翠岛新月形沙丘底部范围与横断面面积和体积的变化 |
| Table 4 The change of bottom scope area, transverse section area and volume of crescent dune at Feicui Island |
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| 测量时间 | 2006-01-18 | 2006-04-14 | 2006-11-12 | 2007-01-30 | 2007-04-01 | 2007-11-06 | 2008-04-18 | 2008-08-09 | 2008-12-14 | | 相对于前次测量值的变化（+表示增加、-表示减少） | | 底部面积（m2） | 0.00 | +736.41 | +160.08 | +555.96 | +1436.16 | -698.56 | +229.25 | +304.90 | -488.06 | | 横断面1（m2） | 0.00 | -35.70 | +54.26 | +75.02 | -36.02 | +4.47 | -3.58 | -69.14 | +58.81 | | 横断面2（m2） | 0.00 | -12.93 | +48.90 | +44.88 | +58.74 | -40.15 | +17.29 | +13.87 | +23.45 | | 横断面3（m2） | 0.00 | -9.82 | +44.21 | +106.98 | -20.34 | -20.11 | -8.93 | +2.56 | +56.72 | | 沙丘体积（m3） | 0.0 | -8522.6 | +27217.8 | +49579.8 | +32488.0 | -4350.9 | -5435.8 | -1668.6 | -42477.7 | | 测量时间 | 2006-01-18 | 2006-04-14 | 2006-11-12 | 2007-01-30 | 2007-04-01 | 2007-11-06 | 2008-04-18 | 2008-08-09 | 2008-12-14 | | 相对于首次测量值的变化（+表示增加、-表示减少） | | 底部面积（m2） | 0.00 | +736.41 | +896.49 | +1452.45 | +2888.61 | +2190.05 | +2 419.30 | +2724.20 | +2236.14 | | 横断面1（m2） | 0.00 | -35.69 | +18.56 | +93.56 | +57.56 | +62.03 | +58.44 | -10.69 | +48.12 | | 横断面2（m2） | 0.00 | -12.92 | +35.98 | +80.86 | +139.60 | +99.46 | +116.74 | +130.61 | +154.06 | | 横断面3（m2） | 0.00 | -9.82 | +34.38 | +141.36 | +121.03 | +100.92 | +91.99 | +94.55 | +151.27 | | 沙丘体积（m3） | 0.0 | -8522.6 | +18695.2 | +68275.0 | +100763.0 | +96412.1 | +90976.3 | +89307.7 | +46830.0 |
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