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2 翡翠岛新月形沙丘不同测点的位置变化 （m） |
| Table 2 Change of different surveying point positions on the crescent dune at Feicui Island (m) |
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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 | | 相对于前次测量的位置变化（向陆往背风坡方向为+、向海往迎风坡方向为-） | | S1 | 0.00 | +2.10 | -1.79 | +0.69 | +4.41 | -0.29 | -7.81 | -0.21 | -10.03 | | S2 | 0.00 | +1.40 | -2.72 | -2.54 | +3.31 | -0.10 | +6.41 | +0.38 | +7.54 | | S3 | 0.00 | +0.42 | -2.72 | -1.32 | +5.53 | -0.19 | +2.58 | -0.20 | -6.01 | | D | 0.00 | +1.97 | -1.93 | -5.20 | +5.49 | -4.62 | +0.83 | +6.83 | -10.42 | | E | 0.00 | -5.16 | -13.05 | +5.90 | +2.60 | -9.01 | -8.73 | +12.72 | +15.08 | | J1 | 0.00 | +2.05 | +1.75 | +2.02 | -0.06 | +2.93 | +0.85 | +0.49 | +0.33 | | J2 | 0.00 | +4.36 | +0.15 | -0.11 | +0.17 | +4.41 | -2.89 | +4.92 | -2.68 | | J3 | 0.00 | +6.12 | -0.19 | +0.82 | -0.68 | +1.87 | +0.06 | +2.84 | -0.15 | | 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 | | 相对于首次测量的位置变化（向陆往背风坡方向为+、向海往迎风坡方向为-） | | S1 | 0.00 | +2.10 | +0.31 | +0.99 | +5.40 | +5.11 | -2.71 | -2.91 | +7.12 | | S2 | 0.00 | +1.40 | -1.32 | -1.21 | +2.10 | +1.99 | -4.41 | -4.04 | +3.50 | | S3 | 0.00 | +0.42 | -2.30 | -3.62 | +1.91 | +1.72 | +4.31 | +4.11 | -1.91 | | D | 0.00 | +1.97 | +2.54 | -4.63 | +2.26 | -2.57 | -3.42 | +8.14 | -5.77 | | E | 0.00 | -5.16 | -14.68 | -9.16 | -11.72 | -8.02 | -15.03 | -11.67 | -7.92 | | J1 | 0.00 | +2.05 | +3.80 | +1.69 | +1.58 | +4.51 | +5.36 | +5.85 | +6.18 | | J2 | 0.00 | +4.34 | +4.48 | +4.37 | +4.54 | +8.95 | +6.06 | +10.98 | +8.30 | | J3 | 0.00 | +6.12 | +5.92 | +6.79 | +6.06 | +7.93 | +7.99 | +10.83 | +10.68 |
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