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首页> 外文期刊>Geophysical Research Letters >Comparison of cloud liquid water paths derived from in situ and microwave radiometer data taken during the SHEBA/FIREACE
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Comparison of cloud liquid water paths derived from in situ and microwave radiometer data taken during the SHEBA/FIREACE

机译：从SHEBA / FIREACE期间获取的原位和微波辐射计数据得出的云状液态水路径的比较

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摘要

Mean cloud liquid water path LWP derived from microwave measurements using the standard ARM retrieval technique is nearly twice as large as coincident in situ aircraft data taken over the SHEBA ice camp in the Arctic during FIRE ACE. Using an algorithm adopted from satellite remote sensing that more completely accounts for the temperature dependence of water absorption and atmospheric gas absorption results in a 25 to 4.5 % reduction in LWP values relative to the standard ARM estimates. If possible precipitation cases are excluded, the mean results from the new technique differ by only 3% from the in situ data. Greater differences for heavier clouds may result from in situ probe uncertainties. This algorithm should provide accurate LWP retrievals for a variety of cloud conditions from the tropics to the highly supercooled Arctic clouds. [References: 13]
机译：使用标准ARM检索技术从微波测量得出的平均云液体水路径LWP几乎是FIRE ACE期间从北极SHEBA冰场获取的现场飞机数据的两倍。使用卫星遥感采用的算法，可以更全面地说明水吸收和大气气体吸收的温度相关性，从而使LWP值相对于标准ARM估计值降低了25％至4.5％。如果排除可能的降水情况，则新技术的平均结果与原位数据仅相差3％。对于较重的云，更大的差异可能源于原位探测器的不确定性。该算法应该为从热带到高度过冷的北极云的各种云状况提供准确的LWP检索。 [参考：13]

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