用L625 355 nm和532 nm双通道瑞利(Rayleigh)散射激光雷达,分别观测合肥(31.9°N/117.17°E)地区30~43 km高度范围内的大气密度和温度分布.这些结果与NOAA/NMC和NASA/HALOE相邻地点的密度和温度表现了较好的一致性.一般情况下,在34~43 km高度范围内激光雷达获得的大气密度与NOAA/NMC和NASA/HALOE密度的偏差大约为10%,温度差别小于2 K,而34 km以下温度偏差稍大.
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