Short-term morphological changes after sand-digging during a sand sculpture activity

Lihua Zhuang; Jun Yan; Fengming Chang; Tao Xu; Zhendong Luan

doi:10.1007/s00343-009-9243-7

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Short-term morphological changes after sand-digging during a sand sculpture activity

Updated：2023-05-16

- Short-term morphological changes after sand-digging during a sand sculpture activity
- Journal of Oceanology and Limnology Vol. 27, Issue 4, Pages: 966-974(2009)
- Affiliations：
  
  Institute of Oceanology Chinese Academy of Sciences
- Author bio：
- Funds：
- DOI：10.1007/s00343-009-9243-7
  CLC：
- Online First：04 December 2009，
  
  Published：2009
- Accepted：
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Zhuang, L., Yan, J., Chang, F. et al. Short-term morphological changes after sand-digging during a sand sculpture activity., Chin. J. Ocean. Limnol. 27, 966–974 (2009). https://doi.org/10.1007/s00343-009-9243-7
DOI：

Zhuang, L., Yan, J., Chang, F. et al. Short-term morphological changes after sand-digging during a sand sculpture activity., Chin. J. Ocean. Limnol. 27, 966–974 (2009). https://doi.org/10.1007/s00343-009-9243-7 DOI：

摘要

Abstract

The morphology of the beach backshore and foreshore at Huiquan Bay

Qingdao

China

is characterized by a single intertidal sandbar system with a spring tide range of 4.59 m. The beach was measured with a laser total station of Leica TPS402. Contours of the beach were generated using data collected in March and November 2005. The survey method provided 2 mm measuring accuracy and 4–10 m horizontal spacing. The net accretion volume of the foreshore was about 11

215 m3 from March to November. After sand sculpture activity

the axis of the sand trough migrated onshore from about 3.5 m to 17.5 m on the foreshore beach in November. At the same time

the axis of the sandbar crest migrated onshore no more than 42.25 m on the northwest foreshore; and it migrated offshore no more than 23.75 m on the southeast foreshore. On the northwest and southeast foreshore beach

two strips of erosion areas with a thickness of 0–0.2 m appeared on the sandbar crest. Accretion occurred at the bottom of the sand trough with a thickness of ∼0.2–0.6 m. The sandbar height decreased after sand sculpture activity

and it was no more than 0.7 m in March and 0.6 m in November. Human activities

such as sand digging on the sandbar crest during sand sculpture activity

also can disturb the beach morphology of intertidal bar systems. This phenomenon also was validated by comparison of beach morphology

the results of a color artificial tracer experiment and a sediment transportation trend prediction.

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references

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