[PDF] Top 20 Aerosol Optical Depth measurements in the Azores.
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Aerosol Optical Depth measurements in the Azores.
... •signal < night background (zero); •signal noise: std/ avg > 0.001 •night readings (za >90) should not be considered.. •10 minute AOD averages computed only with n >= 30 read[r] ... See full document
15
Modeling South America regional smoke plume: aerosol optical depth variability and shortwave surface forcing
... dominate the regional smoke plume intensive radiative properties (Reid et ...ered in the present study, it is worth to mention that CCATT-BRAMS system is able to treat distinct aerosol ...1). ... See full document
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Implications of MODIS bow-tie distortion on aerosol optical depth retrievals, and techniques for mitigation
... for the two bands at nominal ...terisation. The MODIS spatial response functions on a pixel level are not exactly square and have some slight blurring be- tween adjacent ...for the bands relevant to ... See full document
12
Validation of MODIS derived aerosol optical depth and an investigation on aerosol transport over the South East Arabian Sea during ARMEX-II
... Abstract. The influence of wind and humidity on aerosol optical depth (AOD) over the Arabian sea is being inves- tigated using MODIS (Moderate Resolution Imaging Spec- troradiometer) ... See full document
12
Assessment of the Level-3 MODIS daily aerosol optical depth in the context of surface solar radiation and numerical weather modeling
... to the Fourth Assessment Report of the Intergovern- mental Panel on Climate Change, in: Climate Change 2007: The Physical Science Basis, edited by: Solomon, ...R.: Aerosol-cloud-climate ... See full document
42
Comparison of MODIS 3 km and 10 km resolution aerosol optical depth retrievals over land with airborne sunphotometer measurements during ARCTAS summer 2008
... of the measured top of the atmosphere reflectance in three channels (centered at wavelengths, λ, of 466, 645, and 2113 nm) to retrieve total spectral AOD, “fine” model weighting parameter, and sur- ... See full document
24
Validating MODIS above-cloud aerosol optical depth retrieved from “color ratio” algorithm using direct measurements made by NASA's airborne AATS and 4STAR sensors
... ground-based measurements following a static spa- tiotemporal approach (Ichoku et ...cloud aerosol retrieval using airborne data poses different ...First, the airborne sensor is on a moving plat- ... See full document
10
Predicting ambient aerosol thermal–optical reflectance measurements from infrared spectra: elemental carbon
... health. The EC measured by thermal methods such as thermal–optical reflectance (TOR) is operationally defined as the carbon that volatilizes from quartz filter sam- ples at elevated temperatures ... See full document
11
Retrieval of aerosol optical depth in vicinity of broken clouds from reflectance ratios: case study
... for the retrieval of aerosol optical depth (AOD) is evaluated using extensive airborne and ground-based data sets collected during the Cloud and Land Surface Interac- tion Campaign ... See full document
17
Modeling the South American regional smoke plume: aerosol optical depth variability and surface shortwave flux perturbation
... explains the scarcity of clear sky conditions over a large period of ...with the experimen- tal stations assuming a window size of 90 × 90 km centered at each ...at the surface was calculated for Rio ... See full document
16
Measurements of UV aerosol optical depth in the French Southern Alps
... on the measurements of either GLO or DIF have been discussed by several authors (Bernhard and Seckmeyer, 1999; Hou¨et, 2003; Webb et ...of the uncertainty is due to the calibration itself, ... See full document
6
Intercomparison of spectroradiometers and Sun photometers for the determination of the aerosol optical depth during the VELETA-2002 field campaign
... performed in Armilla during 10 and 11 July including both global and direct ...irradiances. Measurements were taken from 0600 to 1800 UTC every 15 min, alternating global and direct irradiance ...of ... See full document
15
A decadal regional and global trend analysis of the aerosol optical depth using a data-assimilation grade over-water MODIS and Level 2 MISR aerosol products
... contribute the differences in Figs. 3 and 5. Therefore, we repeated the exercise in ...only the spatially and temporally col- located Terra MODIS and MISR AOD ...collocate, the ... See full document
15
Reconciling aerosol light extinction measurements from spaceborne lidar observations and in situ measurements in the Arctic
... of the spatial and seasonal distribu- tion of Arctic aerosols based on optical properties observed by CALIOP between 2006 and ...2012. The authors introduce an empirical correction that accounts for ... See full document
14
Interannual variation in the fine-mode MODIS aerosol optical depth and its relationship to the changes in sulfur dioxide emissions in China between 2000 and 2010
... monsoon. In general, CMAQ modeling was able to capture the spatial distribution, although it underestimated the AODf over the Yellow Sea and the northern part of ...by the CMAQ ... See full document
10
In situ measurements of aerosol optical properties and number size distributions in a coastal region of Norway during the summer of 2008
... within the framework of a larger intensive aerosol characterization campaign con- ducted at Andenes, a remote site located in northern Nor- way, during the summer of ...During the ... See full document
17
Aerosol absorption measurements at the ALOMAR subarctic station
... atmospheric aerosol is one of the key factors in regards to climate change and those ...Over the last 4 years a strong research work on aerosols properties characterization have been carried ... See full document
7
Assessment of two aerosol optical thickness retrieval algorithms applied to MODIS Aqua and Terra measurements in Europe
... Abstract. The aim of the present study is to validate AOT (aerosol optical thickness) and ˚ Angstr¨om exponent (α), ob- tained from MODIS (MODerate resolution Imaging Spec- troradiometer) Aqua ... See full document
14
Variations in optical properties of aerosols on monsoon seasonal change and estimation of aerosol optical depth using ground-based meteorological and air quality data
... Hsu, C. N., Sayer, A. M., Holben, B. N., Chu, Y.-C., Nguyen, X. A., Sopajaree, K., Chen, S.-J., Cheng, M.-T., Tsuang, B.-J., Tsai, C.-J., Peng, C.-M., Schnell, R. C., Conway, T., Chang, C.- T., Lin, K.-S., Tsai, Y. I., ... See full document
43
Improvements in AOD retrieval from geostationary measurements over Asia with aerosol optical properties derived from the DRAGON-Asia campaign
... while the MODIS product can provide only two images each day. The map of MI AOD in hourly intervals shows that the high concentration of aerosol was mostly observed over northern China ... See full document
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