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绘制加纳沃尔塔三角洲社会环境脆弱热点的地图
Fiifi Amoako Johnson1, Philip-Neri Jayson-Quashigah2, Duncan Hornby3
1Department of Population and Health, University of Cape Coast, Cape Coast, Ghana.
PloS one
|May 21, 2025
概括
气候变化影响伏尔塔三角洲居民. 获得替代经济活动的机会显著减少了社会环境的脆弱性,强调了有针对性的适应战略的必要性.
科学领域:
- 环境科学 环境科学
- 适应气候变化 适应气候变化
- 社会环境脆弱性评估
背景情况:
- 三角洲居民依赖于气候变化易受影响的气候敏感资源.
- 加纳沃尔塔三角洲面临海平面上升的严重影响,包括洪水和土地损失.
- 以前的评估忽视了社区对社会环境影响的敏感性,主要关注海平面上升.
研究的目的:
- 绘制沃尔塔三角洲社会环境脆弱性热点的地图.
- 在脆弱性评估中纳入居民,利益相关者和专家的意见.
- 了解环境压力因素和社会经济因素之间的相互作用.
主要方法:
- 利用政府间气候变化专门委员会 (IPCC) 的框架,将脆弱性定义为敏感性和适应能力的函数.
- 通过利益相关者的参与,确定了敏感性和适应能力的维度.
- 采用地理空间统计技术来分析和绘制社会环境脆弱性热点,使用来自人口普查,Landsat图像,国家土地监测和谷歌地球的数据.
主要成果:
- 被确定为农业的弱势社区,聚集在特定的地区交叉点 (南通州,北通州,阿卡西,丹贝西区).
- 凯塔和凯图南市以及丹贝西区的沿海社区的脆弱性最低.
- 尽管在一些沿海地区 (Keta,Ada East,Ada West) 海平面上升的风险很大,但获得经济活动的机会减轻了整体风险.
结论:
- 社会经济能力,特别是替代经济活动,可以显著减轻对环境压力因素的脆弱性.
- 调查结果强调需要进行区域具体的干预,以提高伏尔塔三角洲的社会经济能力和适应能力.
- 结合环境和社会经济因素的综合方法对于有效的气候变化适应战略至关重要.
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