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Assessing Ecological Functions of Bottomland Hardwood Wetlands Using Remote Sensing and Geographic Information Systems

机译：基于遥感和地理信息系统的底栖硬木湿地生态功能评价

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摘要

Bottomland hardwoods are one of the most rapidly diminishing wetland ecosystems due to agricultural clearing, development, and reservoir construction. As society has become more aware of the functions of wetlands, so has the importance in conservation of these valuable resources. The objective of this study was to compare the accuracy of Remote Sensing and GIS based functional assessment to the field based Hydrogeomorphic (HGM) approach. Remote sensing models were developed using a combination of soil maps, soil information, QuickBird ® multispectral satellite imagery, LiDAR derived Digital Elevation Model (DEM), and LiDAR derived Canopy Height Model. Results, although mixed, indicated that Remote Sensing and GIS show promise to be an alternative to the traditional field based wetland assessment method.
机译：由于农业的清理，开发和水库建设，底特兰硬木是最迅速减少的湿地生态系统之一。随着社会越来越意识到湿地的功能，保护这些宝贵资源的重要性也越来越高。这项研究的目的是将基于遥感和基于GIS的功能评估的准确性与基于现场的水文地理（HGM）方法进行比较。使用土壤地图，土壤信息，QuickBird®多光谱卫星图像，LiDAR衍生的数字高程模型（DEM）和LiDAR衍生的冠层高度模型的组合开发了遥感模型。结果虽然不尽相同，但表明遥感和GIS显示有望替代传统的基于现场的湿地评估方法。

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