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  5. 河西走廊东部潜在尘源及其与2005年7月17日沙尘暴的关系

河西走廊东部潜在尘源及其与2005年7月17日沙尘暴的关系

来源 :石河子大学学报（自然科学版） | 被引量 : 0次 | 上传用户：ieven1989
【摘 要】
：
通过实地取样、试验及遥感影像分析,分析了河西走廊东部主要地表类型颗粒组成,估算了各地表类型表层土壤潜在尘源总量,分析了潜在尘源与2005年7月17日沙尘暴的关系.研究结果
【作 者】
：
刘国庆 李少昆 柏军华 王克如 谢瑞芝 高世菊 谭海珍 汤秋 
【机 构】
：
新疆兵团绿洲生态农业重点实验室,中国农业科
【出 处】
：
石河子大学学报（自然科学版）
【发表日期】
：
2004年期
【关键词】
：
沙尘暴 河西走廊 尘源 
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论文部分内容阅读
通过实地取样、试验及遥感影像分析,分析了河西走廊东部主要地表类型颗粒组成,估算了各地表类型表层土壤潜在尘源总量,分析了潜在尘源与2005年7月17日沙尘暴的关系.研究结果表明:绿洲耕作区易起尘颗粒百分含量最高,戈壁、灌丛、退化草原潜在尘源总量最大,农田次之、沙漠最少;该地区西部、西北部的沙尘源为7月17日沙尘暴提供了物质条件;增加上述地区的植被覆盖度可减轻当地沙尘暴危害.
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