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Aerosol Optical Thickness

Assessment of two aerosol optical thickness retrieval algorithms applied to MODIS Aqua and Terra measurements in Europe

Assessment of two aerosol optical thickness retrieval algorithms applied to MODIS Aqua and Terra measurements in Europe

... (aerosol optical thickness) and ˚ Angstr¨om exponent (α), ob- tained from MODIS (MODerate resolution Imaging Spec- troradiometer) Aqua and Terra calibrated level 1 data (1 km horizontal resolution at ...

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Analysis of linear long-term trend of aerosol optical thickness derived from SeaWiFS using BAER over Europe and South China

Analysis of linear long-term trend of aerosol optical thickness derived from SeaWiFS using BAER over Europe and South China

... retrievals. The second effect leads (on average) to an underestimated AOT due to the removal of pixels dominated by heavy aerosol loading. This underestimation could not easily be quantified in previous ...

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Characterization of aerosol pollution events in France using  ground-based and POLDER-2 satellite data

Characterization of aerosol pollution events in France using ground-based and POLDER-2 satellite data

... the aerosol load (Kaufman et ...different aerosol species, from anthropogenic aerosols (Tanr´e et ...of aerosol influence on global climate change through the impact on the Earth-atmosphere radiation ...

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Seasonal distribution of aerosol properties over Europe and their impact on UV irradiance

Seasonal distribution of aerosol properties over Europe and their impact on UV irradiance

... aerosol optical thickness and Angstrom parameter in remote Atlantic area during the ...continental aerosol in Atlantic ocean. The in- crease of these aerosol parameters near the ...

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UV variability in Moscow according to long-term UV measurements and reconstruction model

UV variability in Moscow according to long-term UV measurements and reconstruction model

... DU, aerosol optical thickness at 380 nm (AOT380) of ...cloud optical thickness of 0–60) this approach was shown to give uncertainty less than ...

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Changes in atmospheric aerosol loading retrieved from space-based measurements during the past decade

Changes in atmospheric aerosol loading retrieved from space-based measurements during the past decade

... mospheric aerosol and its influence on the Earth’s radiation balance has a significant impact on the accuracy and error of current predictions of future climate ...mospheric aerosol derived from satellite ...

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Updated African biomass burning emission inventories in the framework of the AMMA-IDAF program, with an evaluation of combustion aerosols

Updated African biomass burning emission inventories in the framework of the AMMA-IDAF program, with an evaluation of combustion aerosols

... the aerosol optical depths in the PARASOL data are derived at ...of aerosol optical depths than those derived from sun-photometers ...the aerosol optical depth typical of biomass ...

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Injection of mineral dust into the free troposphere during fire events observed with polarization lidar at Limassol, Cyprus

Injection of mineral dust into the free troposphere during fire events observed with polarization lidar at Limassol, Cyprus

... The observed scatter in the data in Fig. 9 can be related to many reasons. First of all, there are uncertainties in the assignment of the fire events (after MODIS) to our lidar ob- servations by using uncertain backward ...

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Uncertainties in satellite remote sensing of aerosols and impact on monitoring its long-term trend: a review and perspective

Uncertainties in satellite remote sensing of aerosols and impact on monitoring its long-term trend: a review and perspective

... the aerosol model and treatment of surface re- ...realistic aerosol model based on the validation with the AERONET ...of aerosol size distribution, the power law and bi-lognormal functions to the ...

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Systematic variations of cloud top temperature and precipitation rate with aerosols over the global tropics

Systematic variations of cloud top temperature and precipitation rate with aerosols over the global tropics

... Cloud- Aerosol Lidar and Infrared Pathfinder Satellite Observations (CALIPSO) satellite over the tropical oceans, we identified two distinct correlations of clouds and precipitation with aerosol ...

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Measurement of Scleral Thickness in Humans Using Anterior Segment Optical Coherent Tomography.

Measurement of Scleral Thickness in Humans Using Anterior Segment Optical Coherent Tomography.

... segment optical coherent tomography (AS-OCT, Visante; Zeiss) is used to examine meridional variation in anterior scleral thickness (AST) and its association with refractive error, ethnicity and ...

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The Collection 6 MODIS aerosol products over land and ocean

The Collection 6 MODIS aerosol products over land and ocean

... This means that any area with complicated coastal or lakeshore structure, including the Arctic, there will be more pixels that are neither “ocean” nor “land”. To compensate for this, the aerosol retrieval code ...

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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

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

... requires aerosol characteristics such as spectral refractive indices, size distribution, and non- sphericity to describe nonspherical ...aforementioned aerosol properties, are ...

16

Estimation of aerosol water and chemical composition from AERONET Sun–sky radiometer measurements at Cabauw,  the Netherlands

Estimation of aerosol water and chemical composition from AERONET Sun–sky radiometer measurements at Cabauw, the Netherlands

... computed aerosol concentration is opposite to that of the surface ob- servations, with the former showing an increase and the lat- ter a decrease during the ...dry aerosol concentration during the afternoon ...

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Radiative forcing and climate response to projected 21st century aerosol decreases

Radiative forcing and climate response to projected 21st century aerosol decreases

... in aerosol optical depth (AOD), effective radiative forc- ing (RF), temperature (T ), precipitation (P ), liquid water path (LWP), and cloud droplet effective radius (R eff ) for ...to aerosol ...

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Utilization of O4 slant column density to derive aerosol layer height  from a space-borne UV–visible hyperspectral sensor: sensitivity and case  study

Utilization of O<sub>4</sub> slant column density to derive aerosol layer height from a space-borne UV–visible hyperspectral sensor: sensitivity and case study

... and aerosol types prior to the AEH re- ...the optical properties of the aerosol need to be quantified using a combination of ob- servation databases, such as MPLNET and ...

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Evaluation of spatio-temporal variability of Hamburg Aerosol Climatology against aerosol datasets from MODIS and CALIOP

Evaluation of spatio-temporal variability of Hamburg Aerosol Climatology against aerosol datasets from MODIS and CALIOP

... The CALIOP version 3 data, which are used here as refer- ence for the AOD vertical distribution, have matured through increasing validation against surface-based lidar measure- ments, e.g. EARLINET (European ...

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Complex experiment on stydying the microphysical, chemical, and optical propertires of aerosol particles and estimating the contribution of atmospheric aerosol to Earth radiation budget

Complex experiment on stydying the microphysical, chemical, and optical propertires of aerosol particles and estimating the contribution of atmospheric aerosol to Earth radiation budget

... 11 April 2013; radiosondes were launched in some days. Figure 11 shows two exam- ples of comparison of the aerosol spatial distribution and radiosonde data. Profiles of the backscattering coefficient in units of ...

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Aerosol optical properties and radiative forcing in the high Himalaya based on measurements at the Nepal Climate Observatory-Pyramid site (5079 m a.s.l.)

Aerosol optical properties and radiative forcing in the high Himalaya based on measurements at the Nepal Climate Observatory-Pyramid site (5079 m a.s.l.)

... pollution aerosol from India and Pakistan can be transported by moun- tain breezes up to the high altitude (Carrico et ...of aerosol chemical composition and aerosol optical depth in the Nepal ...

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Urban Visible/SWIR surface reflectance ratios from satellite and sun photometer measurements in Mexico City

Urban Visible/SWIR surface reflectance ratios from satellite and sun photometer measurements in Mexico City

... around 2240 m above see level. We used for each day an average of the sensor and solar geometry in the Mexico City area (less than one degree latitude and longitude). This is an approximation that does not significantly ...

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