| 湖北省土壤侵蚀景观信息结构模型 |
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| 引用本文： | 王少军,张志.湖北省土壤侵蚀景观信息结构模型[J].水土保持通报,2003,23(2):29-32. |
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| 作者姓名： | 王少军 张志 |
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| 作者单位： | 中国地质大学,地球科学学院,湖北,武汉,430074 |
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| 基金项目： | 水利部"全国土壤侵蚀动态遥感调查与数据库更新项目"湖北省部分的成果 |
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| 摘 要： | 地理环境的异质性决定了土壤侵蚀景观信息具有水平异质性和垂直异质性特点。景观信息异质性的成因类型有人类活动、地质体结构差异、高程带。根据湖北省土壤侵蚀景观结构的具体特点,建立了土壤加速侵蚀的斑-廊-基模型、土壤背景侵蚀的环-斑模型和综合性垂直分异3类土壤侵蚀景观信息结构模型。模型科学地揭示了不同强度的土壤侵蚀发生区位、致灾因子和土壤侵蚀景观的空间结构特征,通过该模型可以预测土壤侵蚀的发生、发展态势,明确水土保持治理工程区位及区位内的首要治理因子。
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| 关 键 词： | 异质性 斑-廊-基模型 环-斑模型 垂直异质性模型 |
| 文章编号： | 1000-288X(2003)02-0029-04 |
| 收稿时间： | 2002/2/25 0:00:00 |
| 修稿时间： | 2002年2月25日 |
Model of Soil Erosion Landscape Information Structure on Hubei Province |
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| WANG Shao-jun and ZHANG Zhi.Model of Soil Erosion Landscape Information Structure on Hubei Province[J].Bulletin of Soil and Water Conservation,2003,23(2):29-32. |
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| Authors: | WANG Shao-jun and ZHANG Zhi |
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| Institution: | Faculty of Earth Sciences, China University of Geosciences, Wuhan 430074, Hubei Province, China;Faculty of Earth Sciences, China University of Geosciences, Wuhan 430074, Hubei Province, China |
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| Abstract: | The information of soil erosion landscape possess horizontal and vertical heterogeneity typicality. The heterogeneity of soil erosion landscape is owing to man's activity, diversity framework of geological body and various altitude zones. The three kinds of model, patch-corridor-matrix model, ring-patch and vertical heterogeneity model are upbuilt based on landscape of soil erosion in Hubei province. The models lay bare the regional location of different grades soil erosion and spatial structural feature, the model can help us to forecast the trend of soil erosion, to have soil and water conservation projects and primary controlling fatcor taped. |
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| Keywords: | heterogeneity patch-corridor-matrix model ring-patch model vertical heterogeneity model |
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