Characterizing lightning NO x production in the Ebro Valley with meteosat 12 LI and LMA observations

IF 5.7 1区地球科学 Q1 ENVIRONMENTAL SCIENCES

Atmospheric Chemistry and Physics Pub Date : 2026-10-12 DOI:10.5194/acp-26-14277-2026

Francisco J. Pérez-Invernón,Francisco J. Gordillo-Vázquez,Oscar van der Velde,Joan Montanyà,Jesús Alberto López Trujillo,Nicolau Pineda,Diego Loyola,Sora Seo,Christoph Knote,Alexandre O. Fierro,Heidi Huntrieser

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引用次数: 0

Abstract

Lightning is one of the main sources of NO x in the Earth's atmosphere, yet there is considerable variability in NO x production during thunderstorms. In this study, we combined optical lightning data from the Meteosat Third Generation (MTG) Lightning Imaging (LI) instrument, which provides information on the occurrence rate and physical characteristics of lightning flashes, measurements from an extended Lightning Mapping Array (LMA) consisting of 24 sensors, lightning measurements from the Lightning Location System (LLS) of the Meteorological Service of Catalonia (MSC), and TROPOspheric Monitoring Instrument (TROPOMI) cloud and NO 2 research products to investigate lightning NO x emissions in the Ebro Valley (Spain). WRF-Chem simulations were used to calculate the necessary air mass factors and to subtract the NO x not produced by lightning from the TROPOMI measurements, allowing a more accurate estimation of lightning-induced NO x . We found positive relationships between lightning-produced NO x per flash and several lightning properties, including flash channel length, radiance, footprint, duration and the length of the optical continuous signal detected from space. These results highlight the importance of combining detailed lightning observations with atmospheric modeling to quantify NO x emissions from thunderstorms.

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利用气象卫星12li和LMA观测分析埃布罗河谷闪电NO x产生的特征

闪电是地球大气中一氧化氮的主要来源之一，然而雷暴期间一氧化氮的产生有相当大的变化。在这项研究中，我们结合了气象卫星第三代（MTG）闪电成像（LI）仪器的光学闪电数据，该仪器提供了闪电发生率和物理特征的信息，由24个传感器组成的扩展闪电测绘阵列（LMA）的测量数据，来自加泰罗尼亚气象局（MSC）闪电定位系统（LLS）的闪电测量数据，以及对流层监测仪器（TROPOMI）云和NO 2研究产品，以调查埃布罗河谷（西班牙）闪电NO x排放。WRF-Chem模拟用于计算必要的气团因子，并从TROPOMI测量中减去非闪电产生的一氧化氮，从而可以更准确地估计闪电引起的一氧化氮。我们发现每次闪电产生的NO x与若干闪电特性呈正相关关系，包括闪电通道长度、辐射强度、足迹、持续时间和从太空探测到的光学连续信号的长度。这些结果强调了将详细的闪电观测与大气模拟相结合以量化雷暴产生的nox排放的重要性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Atmospheric Chemistry and Physics 地学-气象与大气科学

CiteScore

10.70

自引率

20.60%

发文量

702

审稿时长

6 months

期刊介绍： Atmospheric Chemistry and Physics (ACP) is a not-for-profit international scientific journal dedicated to the publication and public discussion of high-quality studies investigating the Earth''s atmosphere and the underlying chemical and physical processes. It covers the altitude range from the land and ocean surface up to the turbopause, including the troposphere, stratosphere, and mesosphere. The main subject areas comprise atmospheric modelling, field measurements, remote sensing, and laboratory studies of gases, aerosols, clouds and precipitation, isotopes, radiation, dynamics, biosphere interactions, and hydrosphere interactions. The journal scope is focused on studies with general implications for atmospheric science rather than investigations that are primarily of local or technical interest.