地理学报 ›› 1990, Vol. 45 ›› Issue (4): 467-474.doi: 10.11821/xb199004009
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李平日
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Li Pingri
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摘要: 华南沿海沙坝为中、晚全新世形成,分为六个形成期。分析了沙坝的粒度和沉积特征及其分布规律。提出华南全新世沙坝的形成与砂源丰富、波浪较强、海平面已与现今相近、构造运动相对稳定、季风气候等条件有密切关系。认为沙坝对环境的主要不良影响是:1.产生风沙灾害iZ.烂湾坝阻塞或淤浅航遭。为此提出营造针阔叶混交防风林及配种草本、灌木的意见。这些沙坝的主要有利因素是:1.含丰富的砂矿:2.形成漏湖式港湾;3.提烘发展农林牧渔业的广阔空间;咯.可作为建设经济特区。沿海开发区和发展海滨旅游的土地资源。
关键词: 华南海岸, 全新世沙坝, 潟湖
Abstract: The sand bars along the coast of South China were formed in middle and late Holocene according to 105 dating data. They may be grouped into 6 periods. Having analysed the grain size and sediriientary characteristics of the bars in each period, and the regular distribu-tion of littoral bar, baymouth bar, totnbolo and offshore barrierbar, the author, holds the view that the formation of Holocene bars along the coast of South China is closely related to abun-dant source of sand, powerful wave, sea-level close to the present, stable neotectonic movement and the monsoon. The major harmful effects of the bars are: 1. damage caused by wind-drift sand, 2. the baymouth bars woud block the channels. This paper offers a proposal of inter-planting sand-fixing trees consisting of conifer and deciduous with herbaceous and shrub. The major favourable factors are: 1. the abundant placer resources, 2, the multitudinous bar-lagoon bars, 3, a wide space for the development of agriculture, forestry, stock raising and fish-culture, 4. a valuable, land for the exploitation of special economic zone, economic develop-ment district and seaside 'tourism.
Key words: Coast of South China, Holocene bar, Lagoon
李平日 . 华南沿海全新世沙坝及其改造利用 [J]. 地理学报, 1990, 45(4): 467-474.
Li Pingri. TRANSFORMATION AND UTILISATION OF HOLOCENE BARS ALONG THE COAST OF SOUTH CHINA[J]. Acta Geographica Sinica, 1990, 45(4): 467-474.
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