Reducing cloud contamination in aerosol optical depth (AOD) measurements [PDF]
Atmospheric Measurement Techniques, 2021 We propose a new cloud screening method for sun photometry that is designed to effectively filter thin clouds. Our method is based on a k-nearest-neighbour algorithm instead of scanning time series of aerosol optical depth.
V. Schenzinger, A. Kreuter, A. Kreuter
doaj +3 more sources
Aerosol optical depth (AOD): spatial and temporal variations and association with meteorological covariates in Taklimakan desert, China. [PDF]
PeerJ, 2021 Aerosol optical depth (AOD) is a key parameter that reflects aerosol characteristics. However, research on the AOD of dust aerosols and various environmental variables is scarce. Therefore, we conducted in-depth studies on the distributions and variations of AOD in the Taklimakan Desert and its margins, China.
Li J, Ge X, He Q, Abbas A.
europepmc +4 more sources
How aerosol size matters in aerosol optical depth (AOD) assimilation and the optimization using the Ångström exponent [PDF]
Atmospheric Chemistry and Physics, 2023 Abstract. Satellite-based aerosol optical depth (AOD) has gained popularity as a powerful data source for calibrating aerosol models and correcting model errors through data assimilation. However, simulated airborne particle mass concentrations are not directly comparable to satellite-based AODs. For this, an AOD operator needs to be developed that can
J. Jin, J. Jin, B. Henzing, A. Segers
openaire +3 more sources
Measuring Aerosol Optical Depth (AOD) and Aerosol Profiles Simultaneously with a Camera Lidar [PDF]
EPJ Web of Conferences, 2016 CLidar or camera lidar is a simple, inexpensive technique to measure nighttime tropospheric aerosol profiles. Stars in the raw data images used in the CLidar analysis can also be used to calculate aerosol optical depth simultaneously. A single star can be used with the Langley method or multiple star pairs can be used to reduce the error. The estimated
Barnes John +2 more
openaire +2 more sources
A new measurement approach for validating satellite-based above-cloud aerosol optical depth [PDF]
Atmospheric Measurement Techniques, 2021 The retrieval of aerosol parameters from passive satellite instruments in cloudy scenes is challenging, partly because clouds and cloud-related processes may significantly modify aerosol optical depth (AOD) and particle size, a problem that is further ...
C. K. Gatebe +9 more
doaj +1 more source
Improvement of aerosol optical depth retrieval from MODIS spectral reflectance over the global ocean using new aerosol models archived from AERONET inversion data and tri-axial ellipsoidal dust database [PDF]
Atmospheric Chemistry and Physics, 2012 New over-ocean aerosol models are developed by integrating the inversion data from the Aerosol Robotic Network (AERONET) sun/sky radiometers with a database for the optical properties of tri-axial ellipsoid particles.
J. Lee, J. Kim, P. Yang, N. C. Hsu
doaj +1 more source
Remote Sensing, 2018 The visible infrared imaging radiometer suite (VIIRS) environmental data record aerosol product (VIIRS_EDR) and the aqua-moderate resolution imaging spectroradiometer (MYD04) collection 6 (C6) aerosol optical depth (AOD) products are validated against ...
Lijie He +5 more
doaj +1 more source
Comparison of AOD, AAOD and column single scattering albedo from AERONET retrievals and in situ profiling measurements [PDF]
Atmospheric Chemistry and Physics, 2017 Here we present new results comparing aerosol optical depth (AOD), aerosol absorption optical depth (AAOD) and column single scattering albedo (SSA) obtained from in situ vertical profile measurements with AERONET ground-based remote sensing from two ...
E. Andrews +3 more
doaj +1 more source
Impact of Optical Aerosol Depth (AOD) on Light Pollution Level: a spatio-temporal analysis
IOP Conference Series: Earth and Environmental Science, 2021 Abstract Population dynamics and economical, also industrial, in Indonesia are growth as it increasing every years. It brings an environmental problems unconsciously. Increasing the amount of aerosol optical depth (AOD) has a considerable impact, one of them is light pollution increase due to uncontrolled scattering of particles in urban
Amalia Gita Ayudyanti +1 more
openaire +1 more source
Preliminary Investigation of a New AHI Aerosol Optical Depth (AOD) Retrieval Algorithm and Evaluation with Multiple Source AOD Measurements in China [PDF]
Remote Sensing, 2018 The Himawari-8 geostationary weather satellite, which is an Earth observing satellite launched in October 2014, has been applied in climate, environment, and air quality studies. Using hourly observation data from the Advanced Himawari Imager (AHI) on board Himawari-8, a new dark target algorithm was proposed to retrieve the aerosol optical depth (AOD)
Fukun Yang +6 more
openaire +1 more source