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[PDF] Top 20 Retrieval of aerosol optical depth over land surfaces from AVHRR data

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Retrieval of aerosol optical depth over land surfaces from AVHRR data

Retrieval of aerosol optical depth over land surfaces from AVHRR data

... The AOD at 0.64 µm retrieved from AVHRR data over China, using the method pre- sented above, are shown in Fig. 6 for clear days on 8 and 9 June 2008. The AOD has values of 0.5 and ... See full document

25

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 data

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 data

... nm over land as calculated by AERONET and MODIS, but significant underestimation of AOD over the ocean from Aqua-MODIS in ...the land algorithm has been modified substantially to ... See full document

31

Evaluation of CALIOP 532 nm aerosol optical depth over opaque water clouds

Evaluation of CALIOP 532 nm aerosol optical depth over opaque water clouds

... for aerosol retrievals in cloudy skies. Validation of these retrievals is difficult, how- ever, as independent, collocated and co-temporal data sets are generally not ...CALIOP aerosol ... See full document

24

Retrieval of aerosol optical depth in vicinity of broken clouds from reflectance ratios: case study

Retrieval of aerosol optical depth in vicinity of broken clouds from reflectance ratios: case study

... 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 ... See full document

17

Assessment of the MODIS Collections C005 and C004 aerosol optical depth products over the Mediterranean basin

Assessment of the MODIS Collections C005 and C004 aerosol optical depth products over the Mediterranean basin

... AOD data averaged over 1 ◦ ×1 ◦ , (100×100 km) grid areas for comparisons against AERONET data can affect the statistics and the results due to the large spatial and temporal variability of ... See full document

13

Retrieval of aerosol optical depth in the visible range with a Brewer spectrophotometer in Athens

Retrieval of aerosol optical depth in the visible range with a Brewer spectrophotometer in Athens

... alignments of the wavelength scale, contamination of the ex- ternal optics and pointing ...sults of an intensive campaign, the Brewer, if carefully main- tained, is capable of high-quality AOD ... See full document

18

Estimates of aerosol absorption over India using multi-satellite retrieval

Estimates of aerosol absorption over India using multi-satellite retrieval

... Determining aerosol absorption is an important, but com- plex ...Presently aerosol absorption is poorly quanti- fied because aerosols vary widely depending on their compo- sition and ...between ... See full document

6

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

... means of improving the AOD retrieval appears to be the traditional approach of analyzing retrieval results in light of near-coincident ground-based and aircraft ...1998) data. ... See full document

16

Comparison of MODIS 3 km and 10 km resolution aerosol optical depth retrievals over land with airborne sunphotometer measurements during ARCTAS summer 2008

Comparison of MODIS 3 km and 10 km resolution aerosol optical depth retrievals over land with airborne sunphotometer measurements during ARCTAS summer 2008

... MODIS retrieval algorithm over land (both 10 km and 3 km) performs a simultaneous inversion of the measured top of the atmosphere reflectance in three channels (centered at wavelengths, ... See full document

24

An observationally constrained estimate of global dust aerosol optical depth

An observationally constrained estimate of global dust aerosol optical depth

... 3 data over land and QA = 1–3 data over ocean, where higher quality data are given commensurate ...frequency of high AOD and dust source location is actually improved when ... See full document

21

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

... variety of mechanisms with varying and con- tradicting ...ensemble of satellite data acquired by the Moderate Resolution Imaging Spec- troradiometer onboard the Earth Observing System’s Aqua ... See full document

8

Effect of wind speed on aerosol optical depth over remote oceans, based on data from the Maritime Aerosol Network

Effect of wind speed on aerosol optical depth over remote oceans, based on data from the Maritime Aerosol Network

... measurements from this ...local aerosol sources or satellite retrieval bi- ases, specific to each individual study’s ...paucity of data for high wind speeds, such that the determination ... See full document

12

Global and regional trends of aerosol optical depth over land and ocean using SeaWiFS measurements from 1997 to 2010

Global and regional trends of aerosol optical depth over land and ocean using SeaWiFS measurements from 1997 to 2010

... derived from the MODIS sensors aboard Terra and ...to AVHRR data during the overlapping ...trends over the Eastern US and Europe, possibly due to a corresponding decrease manmade air pollution ... See full document

37

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

... indices of “water solu- ble” and “water soluble with humidity” from the C005 aerosol models (Remer et ...indices of “dust-like type” and “wet sea salt type” are used for coarse-mode (AOD > ... See full document

16

An analysis of the collection 5 MODIS over-ocean aerosol optical depth product for its implication in aerosol assimilation

An analysis of the collection 5 MODIS over-ocean aerosol optical depth product for its implication in aerosol assimilation

... ground-based aerosol observations from the AErosol RObotic NETwork (AERONET) were used to validate MODIS satellite ...network of Sun photometers that provides ground-based aerosol opti- ... See full document

9

Aerosol optical properties derived from the DRAGON-NE Asia campaign,  and implications for a single-channel algorithm to retrieve aerosol optical  depth in spring from Meteorological Imager (MI) on-board the Communication,  Ocean, and Meteorological Satel

Aerosol optical properties derived from the DRAGON-NE Asia campaign, and implications for a single-channel algorithm to retrieve aerosol optical depth in spring from Meteorological Imager (MI) on-board the Communication, Ocean, and Meteorological Satel

... reflectance from RTM simulations is affected by the concentration, particle size/shape, and scat- tering properties of ...SSA of the particle correlates positively with TOA re- flectance for the same ... See full document

20

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

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

... stability of individual channels is measured via the Spectro-Radiometric Calibration Assembly (SRCA), a self calibrating system which uses a didymium glass with known transmission peaks (Montgomery et ...2007). ... See full document

15

Uncertainty characterization of AOD for the AATSR dual and single view retrieval algorithms

Uncertainty characterization of AOD for the AATSR dual and single view retrieval algorithms

... reference data. Some areas require further study for the enhancement of the ...use of external mixtures for aerosol particles), the used aerosol modelling is not flex- ible enough, or ... See full document

37

Measurement of aerosol optical depth and sub-visual cloud detection using the optical depth sensor (ODS)

Measurement of aerosol optical depth and sub-visual cloud detection using the optical depth sensor (ODS)

... of future flight to Mars, a Mars-like desert location was searched for validation pur- pose. ODS measurements were performed in Ouagadougou (12.4 ◦ N, 1.5 ◦ W) in Burk- ina Faso in West Africa, a sahelian region ... See full document

38

Improvements in AOD retrieval from geostationary measurements over Asia with aerosol optical properties derived from the DRAGON-Asia campaign

Improvements in AOD retrieval from geostationary measurements over Asia with aerosol optical properties derived from the DRAGON-Asia campaign

... map of MI AOD in hourly intervals shows that the high concentration of aerosol was mostly observed over northern China and the Yellow Sea before 03:00 UTC, with the dust plume extending to the ... See full document

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