The EarthCARE lidar cloud and aerosol profile processor (A-PRO): the A-AER, A-EBD, A-TC, and A-ICE products

IF 3.2 3区地球科学 Q2 METEOROLOGY & ATMOSPHERIC SCIENCES

Atmospheric Measurement Techniques Pub Date : 2024-09-12 DOI:10.5194/amt-17-5301-2024

David Patrick Donovan, Gerd-Jan van Zadelhoff, Ping Wang

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引用次数: 0

Abstract

Abstract. ATLID (ATmospheric LIDar) is the lidar flown on the multi-instrument Earth Cloud Aerosol and Radiation Explorer (EarthCARE). EarthCARE is a joint ESA–JAXA mission that was launched in May 2024. ATLID is a three-channel, linearly polarized, high-spectral-resolution lidar (HSRL) system operating at 355 nm. Cloud and aerosol optical properties are key EarthCARE products. This paper provides an overview of the ATLID Level 2a (L2a; i.e., single instrument) retrieval algorithms being developed and implemented in order to derive cloud and aerosol optical properties. The L2a lidar algorithms that retrieve the aerosol and cloud optical property profiles and classify the detected targets are grouped together in the so-called A-PRO (ATLID-profile) processor. The A-PRO processor produces the ATLID L2a aerosol product (A-AER); the extinction, backscatter, and depolarization product (A-EBD); the ATLID L2a target classification product (A-TC); and the ATLID L2a ice microphysical estimation product (A-ICE). This paper provides an overview of the processor and its component algorithms.

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EarthCARE 激光雷达云层和气溶胶剖面处理器 (A-PRO)：A-AER、A-EBD、A-TC 和 A-ICE 产品

摘要。ATLID（大气层激光雷达）是搭载在多仪器地球云层气溶胶和辐射探测器（EarthCARE）上的激光雷达。EarthCARE是欧空局和日本宇宙航空研究开发机构的一项联合任务，于2024年5月发射。ATLID 是一个三通道、线性偏振、高光谱分辨率激光雷达（HSRL）系统，工作波长为 355 nm。云和气溶胶光学特性是 EarthCARE 的关键产品。本文概述了正在开发和实施的 ATLID 2a 级（L2a；即单一仪器）检索算法，以推导出云和气溶胶光学特性。检索气溶胶和云光学特性剖面图并对探测到的目标进行分类的 L2a 激光雷达算法被归入所谓的 A-PRO（ATLID-剖面图）处理器。A-PRO 处理器可生成 ATLID L2a 气溶胶产品 (A-AER)；消光、后向散射和去极化产品 (A-EBD)；ATLID L2a 目标分类产品 (A-TC)；以及 ATLID L2a 冰微物理估计产品 (A-ICE)。本文概述了该处理器及其组成算法。

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来源期刊

Atmospheric Measurement Techniques METEOROLOGY & ATMOSPHERIC SCIENCES-

CiteScore

7.10

自引率

18.40%

发文量

331

审稿时长

3 months

期刊介绍： Atmospheric Measurement Techniques (AMT) is an international scientific journal dedicated to the publication and discussion of advances in remote sensing, in-situ and laboratory measurement techniques for the constituents and properties of the Earth’s atmosphere. The main subject areas comprise the development, intercomparison and validation of measurement instruments and techniques of data processing and information retrieval for gases, aerosols, and clouds. The manuscript types considered for peer-reviewed publication are research articles, review articles, and commentaries.