首页> 外文期刊>Applied optics >Hard target UV lidar measurements of isoprene mixing ratios and emission rates from eucalyptus trees
【24h】

Hard target UV lidar measurements of isoprene mixing ratios and emission rates from eucalyptus trees

机译:硬质目标紫外线激光雷达对桉树异戊二烯混合比例和发射速率的测量

获取原文
获取原文并翻译 | 示例
           

摘要

The application of UV lidar to measure isoprene concentrations for environmental studies has beeninvestigated. With a hard target lidar system at 223 nm, isoprene mixing ratios above eucalyptus trees were measured with a sensitivity of about 1 ppbv. Results over a long timescale were compared with an existing model of isoprene emission for a wide range of temperature and sunlight values. Fast time dependent results yielded a leaf emission rate of 25 (mu)g g~(-1) hour~(-1), consistent with emission from other eucalyptus species. Requirements for development of the system for range resolved isoprene number density measurements using atmospheric backscatter lidar are discussed.
机译:已经研究了紫外激光雷达在环境研究中测量异戊二烯浓度的应用。使用223 nm的硬目标激光雷达系统,以约1 ppbv的灵敏度测量了桉树上方的异戊二烯混合比例。将长时间范围内的结果与现有的异戊二烯排放模型在较大的温度和日照值范围内进行比较。快速的时间依赖性结果产生了25μgg〜(-1)hour〜(-1)的叶片发射速率,与其他桉树物种的发射速率一致。讨论了使用大气反向散射激光雷达进行距离分辨异戊二烯数密度测量的系统开发要求。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱:kefu@zhangqiaokeyan.com

京公网安备:11010802029741号 ICP备案号:京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有
  • 客服微信

  • 服务号