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Article

The Characteristics of the Aeolian Environment in the Coastal Sandy Land of Boao Jade Belt Beach, Hainan Island

1
College of Geography and Environmental Science, Hainan Normal University, Haikou 571158, China
2
Key Laboratory of Tropical Island Land Surface Processes and Environmental Changes of Hainan Province, Haikou 571158, China
3
Guangdong Provincial Laboratory of Southern Marine Science and Engineering, Guangzhou 511458, China
*
Author to whom correspondence should be addressed.
Atmosphere 2025, 16(7), 845; https://doi.org/10.3390/atmos16070845
Submission received: 19 May 2025 / Revised: 5 July 2025 / Accepted: 7 July 2025 / Published: 11 July 2025
(This article belongs to the Section Meteorology)

Abstract

Boao Jade Beach, on the east coast of Hainan Island, is a typical sandy beach and is one of the areas where typhoons frequently land in Hainan. This study examined wind speed, wind direction, and sediment transport data obtained from field meteorological stations and omnidirectional sand accumulation instruments from 2020 to 2024 to study the coastal aeolian environment and sediment transport distribution characteristics in the region. The findings provide a theoretical basis for comprehensive analyses of the evolution of coastal aeolian landforms and the evaluation and control of coastal aeolian hazards. The research results showed the following: (1) The annual average threshold wind velocity for sand movement in the study area was 6.13 m/s, and the wind speed frequency was 20.97%, mainly dominated by easterly winds (NNE, NE) and southerly winds (S). (2) The annual drift potential (DP) and resultant drift potential (RDP) of Boao Jade Belt Beach from 2020 to 2024 were 125.99 VU and 29.59 VU, respectively, indicating a low-energy wind environment. The yearly index of directional wind variability (RDP/DP) was 0.23, which is classified as a small ratio and indicates blunt bimodal wind conditions. The yearly resultant drift direction (RDD) was 329.41°, corresponding to the NNW direction, indicating that the sand on Boao Jade Belt Beach is generally transported in the southwest direction. (3) When the measured data from the sand accumulation instrument in the study area from 2020 to 2024 were used for a statistical analysis, the results showed that the total sediment transport rate in the study area was 39.97 kg/m·a, with the maximum sediment transport rate in the S direction being 17.74 kg/m·a. These results suggest that, when sand fixation systems are constructed for relevant infrastructure in the region, the direction of protective forests and other engineering measures should be perpendicular to the net direction of sand transport.
Keywords: wind field characteristics; drift potential (DP); aeolian sediment transport wind field characteristics; drift potential (DP); aeolian sediment transport

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MDPI and ACS Style

Zhong, S.; Qu, J.; Zhao, Z.; Qiu, P. The Characteristics of the Aeolian Environment in the Coastal Sandy Land of Boao Jade Belt Beach, Hainan Island. Atmosphere 2025, 16, 845. https://doi.org/10.3390/atmos16070845

AMA Style

Zhong S, Qu J, Zhao Z, Qiu P. The Characteristics of the Aeolian Environment in the Coastal Sandy Land of Boao Jade Belt Beach, Hainan Island. Atmosphere. 2025; 16(7):845. https://doi.org/10.3390/atmos16070845

Chicago/Turabian Style

Zhong, Shuai, Jianjun Qu, Zhizhong Zhao, and Penghua Qiu. 2025. "The Characteristics of the Aeolian Environment in the Coastal Sandy Land of Boao Jade Belt Beach, Hainan Island" Atmosphere 16, no. 7: 845. https://doi.org/10.3390/atmos16070845

APA Style

Zhong, S., Qu, J., Zhao, Z., & Qiu, P. (2025). The Characteristics of the Aeolian Environment in the Coastal Sandy Land of Boao Jade Belt Beach, Hainan Island. Atmosphere, 16(7), 845. https://doi.org/10.3390/atmos16070845

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