基于遥感的超强台风“摩羯”对海南岛植被损害及恢复评估研究

doi:10.17521/cjpe.2025.0227

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基于遥感的超强台风“摩羯”对海南岛植被损害及恢复评估研究

李春波, 王宁, 李晓明

海南省航天技术创新中心, 海南 571300 中国
海南空天信息研究院海南省地球观测重点实验室, 海南 571300 中国
中国科学院空天信息创新研究院, 北京 100094 中国

收稿日期:2025-06-16 修回日期:2025-08-26
基金资助:
海南省科技厅专项(ATIC-2023010004)

Remote Sensing-Based Assessment of Vegetation Damage and Recovery from Super Typhoon Capricorn in Hainan Island

Li Chunbo¹, Wang Ning¹, Li Xiaoming¹

, Hainan Aerospace Technology Innovation Center 571300, China
Hainan Aerospace Information Research Institute, Key Laboratory of Earth Observation of Hainan Province 571300, China
, Aerospace Information Research Institute, Chinese Academy of Sciences 100094, China

Received:2025-06-16 Revised:2025-08-26
Supported by:
Hainan Province Science and Technology Special Fund(ATIC-2023010004)

摘要/Abstract

摘要： 【目的】本研究旨在利用多源卫星遥感数据评估2024年超强台风“摩羯”登陆后对海南岛植被的损害程度，并探究台风路径与植被受损的关系，为灾后植被恢复提供科学依据。【方法】研究利用 Sentinel - 2 遥感影像计算归一化差值植被指数（Normalized Difference Vegetation Index，NDVI），结合台风路径空间叠加分析，揭示台风致损机制与植被响应的时空分异特征。【主要结果】2024 年 9 月台风过境后，全岛 NDVI 均值下降8.74%（相对灾前基准值），成像像元覆盖分析表明 66.21% 区域出现植被退化，其中林地、灌木群落结构破坏明显。截至 2025 年 3 月，历经 6 个月自然恢复期，系统修复呈两极分化：持续退化区（70.85%）NDVI 均值较灾害初期再降 8.07%（总降幅达 16.11%）。植被功能群恢复梯度特征鲜明：受损敏感性为红树林＞林地＞灌木＞草地＞耕地＞裸地/稀疏植被；恢复弹性强度表现为红树林>林地＞耕地＞草地与灌木）＞裸地/稀疏植被。整体而言，季节波动是植被NDVI持续下降的显著影响因素，贡献率为56.20%，而台风是NDVI呈现负增长的重要驱动，贡献率为38.30%。本研究为极端天气导致海南岛植被大面积损毁的准确评估和灾后恢复提供了详实数据支撑。

关键词: 超强台风“摩羯”, 海南岛植被, NDVI, 植被损害评估

Abstract: Aims This study employs multisource satellite remote sensing data to evaluate vegetation damage on Hainan Island following the 2024 super typhoon Capricorn, while investigating the relationship between typhoon trajectory and vegetation impairment to establish scientific foundations for post-disaster restoration. Methods Through Sentinel-2 remote sensing imagery analysis of NDVI combined with spatial overlay analysis of typhoon trajectories, this research elucidates the spatiotemporal differentiation of damage mechanisms and vegetation response dynamics. Important findings After the typhoon passed through the island in September 2024, the average NDVI across the entire island decreased by 8.74% (relative to the pre-disaster baseline value). Analysis of imaging pixel coverage showed that 66.21% of the area experienced vegetation degradation, with obvious structural damage to forestland and shrub communities. As of March 2025, after a 6-month natural recovery period, systematic restoration showed a polarized trend: in the continuously degraded areas (70.85%), the average NDVI decreased by another 8.07% compared with the initial stage of the disaster (with a total decrease of 16.11%). The recovery gradient characteristics of vegetation functional groups are distinct: the damage sensitivity follows the order of mangroves > forestland > shrubs > grasslands > croplands > bare land/sparse vegetation; the recovery resilience intensity is expressed as mangroves > forestland > croplands > grasslands and shrubs > bare land/sparse vegetation. Overall, seasonal fluctuations are a significant influencing factor for the continuous decline of vegetation NDVI, with a contribution rate of 56.20%, while typhoons are an important driver of the negative growth of NDVI, with a contribution rate of 38.30%. This study provides detailed data support for the accurate assessment of large-scale vegetation damage on Hainan Island caused by extreme weather and post-disaster recovery.

Key words: Super Typhoon "Mulay", Hainan Island Vegetation, NDVI, Vegetation Damage Assessment

李春波, 王宁, 李晓明. 基于遥感的超强台风“摩羯”对海南岛植被损害及恢复评估研究. . DOI: 10.17521/cjpe.2025.0227

Li Chunbo¹, Wang Ning¹, Li Xiaoming¹. Remote Sensing-Based Assessment of Vegetation Damage and Recovery from Super Typhoon Capricorn in Hainan Island. Chinese Journal of Plant Ecology. DOI: 10.17521/cjpe.2025.0227

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链接本文: https://www.plant-ecology.com/CN/10.17521/cjpe.2025.0227

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