大气探测用交叉分散红外光谱仪

R. Pagano, A. Vaughan
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引用次数: 0

摘要

准确了解地球垂直大气温度结构是数值天气预报的基础。美国国家气象局(NWS)提出了在整个对流层实现1度精度和1公里垂直分辨率的温度测量的最终目标。为了实现这一目标,下一代温度测深仪必须增加光谱覆盖范围和光谱分辨率。大量的模拟表明,光谱分辨能力(λ/Δλ)为1200,波长覆盖范围为3.4 ~ 17.0µm的温度测深仪将显著提高均方根温度反演精度。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Cross-Dispersed IR Spectrometer for Atmospheric Sounding
Accurate knowledge of the Earth's vertical atmospheric temperature structure is fundamental to numerical weather prediction. The National Weather Services (NWS) have stated an ultimate goal for temperature measurement of 1 degree accuracy and 1 km vertical resolution throughout the troposphere. To approach this goal next generation temperature sounders must have increased spectral coverage and increased spectral resolution. Extensive simulations indicate that a temperature sounder with spectral resolving power (λ/Δλ) of 1200 and wavelength coverage from 3.4 - 17.0 µm will significantly improve the rms temperature retrieval accuracy.
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