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首页> 外文会议>Conference on Lidar Remote Sensing for Environmental Monitoring IV; Aug 3-4, 2003; San Diego, California, USA >Airborne DIAL and Ground-Based Raman Lidar Measurements of Water Vapor over the Southern Great Plains
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Airborne DIAL and Ground-Based Raman Lidar Measurements of Water Vapor over the Southern Great Plains

机译：大平原南部水蒸气的机载DIAL和地面拉曼激光雷达测量

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摘要

Measurements of water vapor profiles over the Southern Great Plains acquired by two different lidars are presented. NASA's airborne DIAL Lidar Atmospheric Sensing Experiment (LASE) system measured water vapor, aerosol, and cloud profiles during the ARM/FIRE Water Vapor Experiment (AFWEX) in November-December 2000 and during the International H2O Project (IHOP) in May-June 2002. LASE measurements acquired during AFWEX are used to characterize upper troposphere water vapor measured by ground-based Raman lidars, radiosondes, and in situ aircraft sensors. LASE measurements acquired during IHOP are being used to better understand the influence water vapor variability on the initiation of deep convection and to improve the quantification and prediction of precipitation associated with these storms. The automated Department of Energy (DOE) Atmospheric Radiation Measurement (ARM) Southern Great Plains (SGP) Cloud and Radiation Testbed (CART) Raman Lidar (CARL) has been routinely measuring profiles of water vapor mixing ratio, relative humidity, aerosol extinction, aerosol backscattering, and aerosol and cloud depolarization during both daytime and nighttime operations. Aerosol and water vapor profiles acquired since March 1998 are used to investigate the seasonal variability of the vertical distributions of water vapor and aerosols.
机译：给出了由两个不同的激光雷达采集的南部大平原水汽剖面的测量结果。在2000年11月至12月的ARM / FIRE水蒸气实验（AFWEX）以及2002年5月至2002年的国际H2O项目（IHOP）期间，NASA的机载DIAL激光雷达激光雷达大气测量实验（LASE）系统测量了水蒸气，气溶胶和云剖面在AFWEX期间获取的LASE测量值用于表征由地面拉曼激光雷达，无线电探空仪和原位飞机传感器测得的对流层上方水汽。在IHOP期间获得的LASE测量结果被用于更好地了解水汽变异性对深对流启动的影响，并改善与这些风暴有关的降水的量化和预测。自动化的能源部（DOE）大气辐射测量（ARM）大平原地区南部（SGP）云和辐射测试台（CART）拉曼·里达（CARL）一直在定期测量水蒸气混合比，相对湿度，气溶胶消光，气溶胶的分布白天和夜间运行中的反向散射以及气溶胶和云的去极化。自1998年3月以来获得的气溶胶和水蒸气分布图用于调查水蒸汽和气溶胶垂直分布的季节性变化。

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