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应用CBERS—1卫星数据进行安徽省北部冬小麦播种面积监测研究

STUDY ON MONITERING WINTER WHEAT-SOWN AREAS IN NORTHERN ANHUI PROVINCE BY USE OF THE CBERS-1 SATELLITE REMOTE SENSING IMAGE

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【作者】 蒋旭东徐振宇娄径

【Author】 JIANG Xu dong, XU Zhen yu, LOU Jin (Institute of Agricultural Natural Resources and Regional Planning of Anhui Province, Hefei 230001, China)

【机构】 安徽省农业区划研究所安徽省农业区划研究所 安徽合肥230036安徽合肥230036安徽合肥230036

【摘要】 通过应用中巴地球资源一号卫星CCD2、3、4波段的遥感数据,对安徽省北部平原地区冬小麦播种面积进行了监测研究。遥感数据空间分辨率为19.5m,扫描幅宽113km。分别对图像数据进行了单波段直方图均衡化、合成标准假彩色图像的laplacian算法边缘检测等图像预处理以及几何精校正,在ARC/INFO软件支持下,紧密结合野外调查结果,准确提取并统计计算了冬小麦播种面积及其变化率,效果较好。我们认为,CBERS-1卫星数据不仅能满足于小麦、玉米、水稻等农作物面积监测,而且还可用于土地利用监测、人口空间分布分析和城市体系动态监测等应用中。

【Abstract】 The spatial resolution range of the CBERS-1 satellite remote sensing image is 19.5m×19.5m. The width of scanned zone reaches to 113km.Based on image data pre-processing such as single band histogram equilibrium, edge detection of standard false color composite image by using Laplacian algorithm, and geometrically precise calibration, the extraction is accurate with the aid of ARC/INFO software, and the statistic calculation result of the winter wheat-sown area proved to be good by field investigation. So it is suggested that the CBERS-1 satellite data can meet the demands not only for monitering the sown areas of wheat, corn, rice etc, but also for dynamic doing of land utilization and city system, spatial distribution analysis of human population and so on.

  • 【分类号】X835
  • 【被引频次】17
  • 【下载频次】182
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