Idaho Lidar Consortium (ILC): Nez Perce Reservation

The lidar survey was conducted by vendor Spencer B. Gross, 13545 NW Science Park dr.,97229, Portland, OR. Lidar instrument Leica ALS40 was flown over the period of 13 and 26 July 2002. The primary goal of the study is to provide operational implementation of Lidar technology in support of project level planning. The proposed applications of Lidar in support of planning are: vegetation structural modeling, erosion modeling, fuels, transportation planning, timber system planning, wildlife habitat modeling, and stream quality. The Rocky Mountain Research Station will provide the development of peer-reviewed forest structural metrics and technical support in implementation of Lidar technology. The technical specifications have been defined to specifically support vegetation modeling using Lidar data. The project area consists of four blocks totaling 24, 729 hectares in Nez Perce Reservation, which is located in central Idaho and is a land of beautiful rivers and steep mountains.<br>The data were delivered in ASCII format with information on easting, northing and elevation for each Lidar pulse. The ascii files were converted to las format and classified using the Multiscale Curvature Classification (MCC) method of <u>Evans and Hudak</u> (2007). Evans, J.S., and A.T. Hudak. (2007) A multiscale curvature algorithm for classifying discrete return lidar in forested environments. IEEE Transactions on Geoscience and Remote Sensing 45(4): 1029-1038.

该激光雷达调查由斯宾塞·B·格罗斯供应商执行，地址位于俄勒冈州波特兰市西北科学公园大道13545号，邮编97229。激光雷达仪器为徕卡ALS40型，于2002年7月13日至26日期间进行飞行。研究的主要目标是提供激光雷达技术在项目层面规划中的应用实施。激光雷达在规划支持方面的拟应用包括：植被结构建模、侵蚀建模、燃料、交通规划、木材系统规划、野生动物栖息地建模以及溪流质量。洛基山研究站将提供同行评审的森林结构指标开发以及激光雷达技术实施的技术支持。技术规范已被明确定义，以专门支持使用激光雷达数据进行植被建模。项目区域由四个区块组成，总面积为24,729公顷，位于内兹珀斯保留地内，该保留地位于爱达荷州中部，是一片拥有美丽河流和陡峭山脉的土地。<br>数据以ASCII格式提供，包含每个激光雷达脉冲的东经、北纬和海拔信息。ASCII文件已转换为las格式，并采用埃文斯和胡达克（2007）提出的多尺度曲率分类法（MCC）进行分类。埃文斯，J.S. 和胡达克，A.T.（2007）. 用于森林环境中离散返回激光雷达分类的多尺度曲率算法。IEEE地球科学与遥感 Transactions 45(4): 1029-1038。