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首页> 外文会议>The 28th International Symposium on Remote Sensing of Environment, Mar 27-31, 2000, Cape Town, South Africa >Evaluation of NOAA AVHRR satellite information for the extimation of sugarcane yields at a macro scale
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Evaluation of NOAA AVHRR satellite information for the extimation of sugarcane yields at a macro scale

机译：对NOAA AVHRR卫星信息的评估，以在宏观尺度上估算甘蔗产量

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摘要

Satellite data enables timeous and relatively cheap means to assessing crop conditions and size(tons). It can be integrated with agro-meteorological models to enable accurate crop yield predictions. The relationship between NOAA AVHRR data and sugarcane yield has been investigated. The NOAA satellite (National Oceanic and Atmospheric Administration of the USA) allows generation of daily georeferenced maps using Advanced Very High-Resolution Radiometer (AVHRR) images. The objectives of the project was to evaluate NOAA AVHRR satellite data for macro-scale cane yield estimation, to compare the spectral response of sugarcane, as measured by the satellite over the last 10 years at various times of the year and a yield predicting model with recorded crop production figures. Regression results indicate good correlations between NDVI and actual yield data in irrigated areas, while NDVI of rainfed areas correlate better with model yield values.
机译：卫星数据使人们能够及时而相对便宜地评估作物状况和大小。它可以与农业气象模型集成，以实现准确的作物产量预测。已经研究了NOAA AVHRR数据与甘蔗产量之间的关系。 NOAA卫星（美国国家海洋和大气管理局）允许使用高级超高分辨率辐射计（AVHRR）图像生成每日地理参考地图。该项目的目标是评估NOAA AVHRR卫星数据以进行大规模的甘蔗产量估算，比较甘蔗的光谱响应（该卫星在一年中的不同时间在过去10年中测量的结果）以及一个具有记录的农作物产量数据。回归结果表明，灌区NDVI与实际产量数据之间具有良好的相关性，而雨养地区的NDVI与模型产量值之间的相关性更好。

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