Tropospheric ozone exhibits pronounced latitude variations over the Arabian Sea and the Indian Ocean with very high values (∼60–70 ppbv) above the marine boundary layer near the Indian landmass. The main objective of this study was to investigate the influence of prevailing synoptic scale dynamics and transport on the vertical distribution of ozone in the troposphere, especially in the tropical tropopause layer (TTL) region. On the basis of the prevailing synoptic conditions during the cruise period, the cruise track was divided into three legs which were studied separately. Ozone (O3) and relative humidity profiles obtained from in situ electrochemical concentration cell ozonesonde‐radiosonde observations over the Arabian Sea and the Indian Ocean from 16 January to 14 February 2018 during the Integrated Campaign for Aerosols gases and Radiation Budget cruise were analyzed. To models and as evaluation data for independent simulations of lightning Is freely available and will be useful for a range of studies in climate,Įarth system, and natural hazards research, including direct use as input data The majority of powerful lightning strokes. WWLLN does not capture peak seasonal lightning densities, it does represent Evaluation with independent observational networks shows that while the Total number of strokes detected globally was constant, mean stroke powerĭecreases significantly from a peak in 2013 to the lowest levels on record inĢ020. The midlatitudes of the Northern Hemisphere from 2016–2020. With more lightning in the tropics from 2012–2015 and increasing lightning in We also noticed substantial temporal variability over the 11 years of record, Terrestrial regions of the Americas, Africa, and the Maritime Continent, but Shows the well-known pattern of greatest density over the three tropical Strokes detected increases from 2010–2014, an adjustment for detectionĮfficiency reduces this artificial trend. The World Wide Lightning Location Network (WWLLN). Time series and climatology of lightning stroke density based on raw data from Here, weĪnalyze global lightning activity over the second decade of theĢ1st century using a new global, high-resolution gridded Lightning occurrence and distribution are currently freely available. Influence on the Earth system, but few long-term observational datasets of Want to receive reports automatically? Click an option below to subscribe.Lightning is an important atmospheric phenomenon and has wide-ranging Click to read about the Quick Stats Tools.Make additional category choices for the data you are looking for.In Quick Stats 2.0, under Program, select "Survey.".
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