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Benthic Habitat Mapping Using Multispectral High-Resolution Imagery: Evaluation of Shallow Water Atmospheric Correction Techniques

Francisco Eugenio, Javier Marcello, Javier Martin, Dionisio Rodríguez-Esparragón
2017 Sensors  
This strategy consisted of a relative evaluation, changing the input factors (parameters and models) in the configuration to identify how they affect in the estimation of the surface reflectivity.  ...  In the first group, image-based techniques, a number of methods have been developed to remove or reduce atmospheric effects and retrieve the surface spectral reflectance.  ...  As principal researchers: Francisco Eugenio, Javier Marcello and Javier Martín contributed to algorithm implementation, data preparation and results generation.  ... 
doi:10.3390/s17112639 pmid:29144444 pmcid:PMC5713018 fatcat:5oupvsqfcvfjfp46lubgcfbtqa

A Multi-Angle Method for Simultaneous Retrieval of Aerosol Optical Depth and Bidirectional Reflectance Over Case II Waters

Zeying Han, Zeying Han, Tianhai Cheng, Xingfa Gu, Xingfa Gu, Xingfa Gu, Shuaiyi Shi, Xiaoyang Li, Xiaoyang Li, Kaiyi Bi, Kaiyi Bi
2022 Frontiers in Environmental Science  
We present a simultaneous retrieval algorithm, coupled with a bidirectional reflectance distribution function (BRDF) model centered on the water's Inherent Optical Property (IOP), to retrieve AOD and bidirectional  ...  The algorithm was evaluated through retrievals performed in the proximity of four AERONET sites characterized by various water types.  ...  ACKNOWLEDGMENTS We would like to thank NASA for processing the MISR data and MODIS data, and we also thank NCEP for providing global atmospheric reanalysis products.  ... 
doi:10.3389/fenvs.2022.900694 doaj:2e12d1b3ea344dda84088c4c269ba3e3 fatcat:5lnpatwqq5ejlpztujkpraowfe

Land Surface Temperature from Landsat 5 TM images: comparison of different methods using airborne thermal data

M. B. Giannini, O. R. Belfiore, C. Parente, R. Santamaria
2015 Journal of Engineering Science and Technology Review  
such as for satellite data, acquired at 705 km from the Earth's surface.  ...  NDVI method takes into account that vegetation and soils are the main surface cover for the terrestrial component. This emissivity is used to compute the LST by the inversion of Planck function.  ...  Moreover, the obtained results show that the Method 1 is particularly efficient for the estimation of LST in rural areas.  ... 
doi:10.25103/jestr.083.12 fatcat:dn7htp5z6jc7romw5xopaquceu


Sam Wouthuyzen
2015 Marine Research in Indonesia  
Observations on oceanographic parameters using remote sensing techniques intensively have been done for more than 3 decades for estimating and mapping the sea surface temperature (SST) and the abundance  ...  SSS maps created from the satellite-retrieved ocean color identify features in the surface salinity distribution such as salinity front of > 32 psu that migrated in and out of the bay according to seasons  ...  We are deeply appreciate for the corrections and comments from two reviewers, Prof. Dr. Suharsono and Dr. Agus Santoso.  ... 
doi:10.14203/mri.v36i2.41 fatcat:zdcrgatjpjagraqur6fkyjlnyy

Global spectral properties and lithology of Mercury: the example of the Shakespeare (H‐03) quadrangle

N. Bott, A. Doressoundiram, F. Zambon, C. Carli, L. Guzzetta, D. Perna, F. Capaccioni
2019 Journal of Geophysical Research - Planets  
: for example, we identified a higher concentration of low reflectance material around three main craters of Shakespeare (Degas, Akutagawa, and Sholem Aleichem) and in the area to the south of Sobkou Planitia  ...  The MErcury Surface, Space ENvironment, GEochemistry and Ranging mission showed the surface of Mercury with an accuracy never reached before.  ...  Roush for having kindly provided the tools for the K-mean analysis. Lastly, the authors thank two anonymous reviewers for their careful and constructive reviews.  ... 
doi:10.1029/2019je005932 fatcat:krtlbkbzynharl3e3wzodudohq

Estimation of the vertical profile of sulfur dioxide injection into the atmosphere by a volcanic eruption using satellite column measurements and inverse transport modeling

S. Eckhardt, A. J. Prata, P. Seibert, K. Stebel, A. Stohl
2008 Atmospheric Chemistry and Physics Discussions  
An analytical inversion method has been developed to estimate the vertical profile of SO 2 emissions from volcanic eruptions.  ...  Even when using only SEVIRI data from the first 15 h after the eruption, the emission profile was reasonably well estimated. The method is computationally very fast.  ...  Bey for supplying us with OH fields from GEOS-CHEM. CALIOP data were obtained from the NASA Langley Research Center Atmospheric Science Data Center.  ... 
doi:10.5194/acpd-8-3761-2008 fatcat:5vaqf4z72ncmblep252qlia67i

Estimation of the vertical profile of sulfur dioxide injection into the atmosphere by a volcanic eruption using satellite column measurements and inverse transport modeling

S. Eckhardt, A. J. Prata, P. Seibert, K. Stebel, A. Stohl
2008 Atmospheric Chemistry and Physics  
An analytical inversion method has been developed to estimate the vertical profile of SO 2 emissions from volcanic eruptions.  ...  Even when using only SEVIRI data from the first 15 h after the eruption, the emission profile was reasonably well estimated. The method is computationally very fast.  ...  We thank the two anonymous reviewers for their helpful comments. We thank I. Bey for supplying us with OH fields from GEOS-CHEM.  ... 
doi:10.5194/acp-8-3881-2008 fatcat:as3i7py3bfbdlcx4w2yq7oeqnq

Mixed pixel classification in remote sensing

P. Bosdogianni, Maria Petrou, Josef Kittler, Jacky Desachy
1994 Image and Signal Processing for Remote Sensing  
but we may say th a t for a conservative estim ate of the error in the parameters we shall take all these ranges of the reflectances of the pure classes to be equal to the largest one.  ...  Careful investigation of already existing algorithms has been performed and new efficient algorithms to overcome known limitations have been suggested.  ...  These algorithms make the following assumptions concerning the data: 1. A full representation of the scene can be done using a linear mixture model 2.  ... 
doi:10.1117/12.196750 fatcat:yjo7rcqbn5fxvatvqyufgkf4tm

Application Of Interferometry To The Study Of Cepheids And Dwarf Stars

Pierre Kervella
2007 Zenodo  
Interferometry allows to apply a refined version of the Baade-Wesselink method to estimate the distance to nearby Cepheids, and therefore calibrate the P-L relations.  ...  Optical interferometry is a powerful technique for the study of stars in exquisite details, by enabling the spatial resolution of their disks.  ...  Berio for having provided the χ 2 minimization algorithm and for useful discussions. A. Fokin acknowledges the Observatoire de la Côte d'Azur for financial support. Acknowledgements.  ... 
doi:10.5281/zenodo.801578 fatcat:4acagyjfozaufmzoba76tgnyim

Estimating the influence of the secondary organic aerosols on present climate using ECHAM5-HAM

D. O'Donnell, K. Tsigaridis, J. Feichter
2011 Atmospheric Chemistry and Physics Discussions  
For year 2000 conditions, we estimate a global annual mean shortwave (SW) aerosol direct effect due to SOA of −0.3 W m −2 .  ...  The model predicts a positive SW indirect effect due to SOA amounting to +0.23 W m −2 , 20 arising from enlargement of particles due to condensation of SOA, together with an enhanced coagulation sink for  ...  For this reason, Fig. 11 has been subject to a 9-point smoothing algorithm.  ... 
doi:10.5194/acpd-11-2407-2011 fatcat:ntsx2upoebdnnlb7lktakiv73e

Wavelet Based Multifractal Formalism: Applications to DNA Sequences, Satellite Images of the Cloud Structure, and Stock Market Data [chapter]

Alain Arneodo, Benjamin Audit, Nicolas Decoster, Jean-Francois Muzy, Cedric Vaillant
2002 The Science of Disasters  
Ciliberto for the permission to use their experimental data.  ...  [232] for synthetic multifractal rough surfaces, an accurate estimate of the exponents τ (q) for q −3 requires more than 32 (1024 × 1024) images.  ...  This decoupling is numerically retrieved in Fig. 15f, where, for two different scales, the pdf of M, when conditioned by the argument A, is shown to be shape invariant.  ... 
doi:10.1007/978-3-642-56257-0_2 fatcat:cfufd4eu7rc3vdi73kju3e3qvu

On-Line Chemistry Within WRF: Description and Evaluation of a State-of-the-Art Multiscale Air Quality and Weather Prediction Model [chapter]

Georg Grell, Jerome Fast, William I. Gustafson, Steven E. Peckham, Stuart McKeen, Marc Salzmann, Saulo Freitas
2010 Integrated Systems of Meso-Meteorological and Chemical Transport Models  
Sudo, and all others responsible for the development of the WRF/Chem and CHASER models. We also thank those responsible for observations at air quality monitoring stations.  ...  Thanks are due to Steve Ghan and Richard Easter at PNNL and Mark Jacobson at Stanford University for helpful discussions for MIRAGE/CAM3 and GATOR-GCMOM, respectively. Fast, J.D., W.I.  ...  Other systems use interface modules implementing surface and boundary layer parametrizations to estimate dispersion parameters.  ... 
doi:10.1007/978-3-642-13980-2_3 fatcat:wwygpb4jnngvthp33ana5ps6li

Mapping invasive Phragmites australis in the coastal Great Lakes with ALOS PALSAR satellite imagery for decision support

Laura L. Bourgeau-Chavez, Kurt P. Kowalski, Martha L. Carlson Mazur, Kirk A. Scarbrough, Richard B. Powell, Colin N. Brooks, Brian Huberty, Liza K. Jenkins, Elizabeth C. Banda, David M. Galbraith, Zachary M. Laubach, Kevin Riordan
2013 Journal of Great Lakes research  
This means that one or more parameters of the model continue to change over time.  ...  My study investigated an assumption associated with current models: that all parameters remain constant over time.  ...  Utilities such as JAVA GIS and Google Earth® allow interactive retrieval of physical parameters such as surface temperature, ice cover, and surface winds at a given location.  ... 
doi:10.1016/j.jglr.2012.11.001 fatcat:nkzrhb6i4fdp7eje2qd5qsahwu

Satellite remote sensing οf atmospheric species:

Ειρήνη Χρ. Ζυριχίδου
scale for missi [...]  ...  Further, higher resolution (10x10km2) model tropospheric NO2 simulations, weighted by retrieval Averaging Kernels were evaluated using retrievals from the satellite instrument with the highest pixel resolution  ...  Cloud parameters are taken from the Fast Retrieval Scheme for Clouds from the Oxygen A band (FRESCO) algorithm (Koelemeijer et al., 2001).  ... 
doi:10.26262/ fatcat:heh6scjsi5ftncubwbznkrhj7i

Assessment of the solar energy potential in Greece using ground-based measurements, satellite observations and numerical simulations of radiative transfer models

Παναγιώτης Γ. Κοσμόπουλος
The whole approach of this PhD thesis aims to be a step forward for the solar energy forecasting, the operationally feasible energy planning of solar power plants, the efficient exploitation of solar energy  ...  Subsequently, the impact of aerosols on surface solar radiation focusing on an extreme dust event was assessed, demonstrating great solar energy losses of the order of 80 and 50% for concentrated solar  ...  The DT algorithm is used over vegetated/dark land surfaces which are characterized by low reflectance and additionally over ocean, while the DB algorithm provides AOD retrievals over bright and arid land  ... 
doi:10.26262/ fatcat:43jgtso77re3zm3j4zbw3ddpqu
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