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Proceedings Paper

Maritime Aerosol Network optical depth measurements and comparison with satellite retrievals from various different sensors
Author(s): Alexander Smirnov; Maksym Petrenko; Charles Ichoku; Brent N. Holben
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Paper Abstract

The paper reports on the current status of the Maritime Aerosol Network (MAN) which is a component of the Aerosol Robotic Network (AERONET). A public domain web-based data archive dedicated to MAN activity can be found at . Since 2006 over 450 cruises were completed and the data archive consists of more than 6000 measurement days. In this work, we present MAN observations collocated with MODIS Terra, MODIS Aqua, MISR, POLDER, SeaWIFS, OMI, and CALIOP spaceborne aerosol products using a modified version of the Multi-Sensor Aerosol Products Sampling System (MAPSS) framework. Because of different spatio-temporal characteristics of the analyzed products, the number of MAN data points collocated with spaceborne retrievals varied between ~1500 matchups for MODIS to 39 for CALIOP (as of August 2016). Despite these unavoidable sampling biases, latitudinal dependencies of AOD differences for all satellite sensors, except for SeaWIFS and POLDER, showed positive biases against ground truth (i.e. MAN) in the southern latitudes (<50° S), and substantial scatter in the Northern Atlantic “dust belt” (5°-15° N). Our analysis did not intend to determine whether satellite retrievals are within claimed uncertainty boundaries, but rather show where bias exists and corrections are needed.

Paper Details

Date Published: 13 October 2017
PDF: 15 pages
Proc. SPIE 10424, Remote Sensing of Clouds and the Atmosphere XXII, 1042402 (13 October 2017); doi: 10.1117/12.2277113
Show Author Affiliations
Alexander Smirnov, Science Systems and Applications, Inc. (United States)
NASA Goddard Space Flight Ctr. (United States)
Maksym Petrenko, NASA Goddard Space Flight Ctr. (United States)
ADNET Systems, Inc. (United States)
Charles Ichoku, NASA Goddard Space Flight Ctr. (United States)
Brent N. Holben, NASA Goddard Space Flight Ctr. (United States)

Published in SPIE Proceedings Vol. 10424:
Remote Sensing of Clouds and the Atmosphere XXII
Adolfo Comerón; Evgueni I. Kassianov; Klaus Schäfer, Editor(s)

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