Search Results - "Prata, A.J."

Retrieval of volcanic ash particle size, mass and optical depth from a ground-based thermal infrared camera by Prata, A.J., Bernardo, C.

“…Volcanoes can emit fine-sized ash particles (1–10 μm radii) into the atmosphere and if they reach the upper troposphere or lower stratosphere, these particles…”
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Development of an ultra-violet digital camera for volcanic SO2 imaging by BLUTH, G. J. S, SHANNON, J. M, WATSON, I. M, PRATA, A. J, REALMUTO, V. J

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Multi-decadal satellite measurements of global volcanic degassing by Carn, S.A., Clarisse, L., Prata, A.J.

“…Satellite instruments have been providing measurements of global volcanic emissions of sulfur dioxide (SO2) since 1978, based on observations in the…”
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Estimation of dispersion coefficient in the troposphere from satellite images of volcanic plumes: Application to Mt. Etna, Italy by Tiesi, A., Villani, M.G., D’Isidoro, M., Prata, A.J., Maurizi, A., Tampieri, F.

“…The lateral dispersion of volcanic plumes in the troposphere is investigated using satellite images. Two plume images have been selected from the Mount Etna…”
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An Assessment of the Accuracy of Land Surface Temperature Determination from the GMS-5 VISSR by Prata, A.J., Cechet, R.P.

“…The Japanese Geostationary Meterological Satellite 5 (GMS-5) carries the Visible and Infrared Spin Scan Radiometer (VISSR), which has two thermal infrared…”
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Anak Krakatau triggers volcanic freezer in the upper troposphere by Prata, A. T., Folch, A., Prata, A. J., Biondi, R., Brenot, H., Cimarelli, C., Corradini, S., Lapierre, J., Costa, A.

“…Volcanic activity occurring in tropical moist atmospheres can promote deep convection and trigger volcanic thunderstorms. These phenomena, however, are rarely…”
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The infrared spectral signature of volcanic ash determined from high-spectral resolution satellite measurements by Gangale, G., Prata, A.J., Clarisse, L.

“…High-spectral resolution infrared spectra of the earth's atmosphere and surface are routinely available from satellite sensors, such as the Atmospheric…”
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Volcanic plume characteristics determined using an infrared imaging camera by Lopez, T., Thomas, H.E., Prata, A.J., Amigo, A., Fee, D., Moriano, D.

“…Measurements of volcanic emissions (ash and SO2) from small-sized eruptions at three geographically dispersed volcanoes are presented from a novel,…”
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First estimates of fumarolic SO2 fluxes from Putana volcano, Chile, using an ultraviolet imaging camera by Stebel, K., Amigo, A., Thomas, H., Prata, A.J.

“…Putana is a stratovolcano in the central Andes volcanic zone in northern Chile on the border with Bolivia. Fumarolic activiy has been visible at its summit…”
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First estimates of fumarolic SO 2 fluxes from Putana volcano, Chile, using an ultraviolet imaging camera by Stebel, K., Amigo, A., Thomas, H., Prata, A.J.

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Tracking and quantifying volcanic SO2 with IASI, the September 2007 eruption at Jebel at Tair by Clarisse, Lieven, Coheur, Pierre-François, Prata, A.J., Hurtmans, Daniel, Razavi, A., Phulpin, Tanguy, Hadji-Lazaro, Juliette, Clerbaux, Cathy

“…In this paper we demonstrate the potential of the infrared Fourier transform spectrometer IASI in analysing volcanic eruptions, using the September 2007…”
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Thermal infrared remote sensing of volcanic emissions using the moderate resolution imaging spectroradiometer by Watson, I.M, Realmuto, V.J, Rose, W.I, Prata, A.J, Bluth, G.J.S, Gu, Y, Bader, C.E, Yu, T

“…The volcanological community has a powerful new tool in the spaceborne moderate resolution imaging spectroradiometer (MODIS), which, from its synoptic…”
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Development of an ultra-violet digital camera for volcanic SO 2 imaging by Bluth, G.J.S., Shannon, J.M., Watson, I.M., Prata, A.J., Realmuto, V.J.

“…In an effort to improve monitoring of passive volcano degassing, we have constructed and tested a digital camera for quantifying the sulfur dioxide (SO 2)…”
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Cloud-top height determination using ATSR data by Prata, A.J., Turner, P.J.

“…A method for computing cloud-top heights using multiangle satellite data has been developed. By exploiting the dual-angle capability of the ERS-1 Along Track…”
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Difficulties Associated with the Application of Covariance–Variance Techniques to Retrieval of Atmospheric Water Vapor from Satellite Imagery by Barton, I.J., Prata, A.J.

“…Arecent article by Ottlé et al. (1997) has discussed the use of covariance–variance techniques for the determination of atmospheric water vapor content from…”
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Satellite derived sea surface temperature data sets for climate applications by Barton, I.J., Prata, A.J.

“…Over the last few years there have been significant advances in the quality of data available from meteorological satellites. This has been especially true in…”
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SO2 and ash plume retrievals using MSG-SEVIRI measurements. Test case: 24 November 2006 Mt. Etna eruption by Corradini, S., Merucci, L., Silvestri, M., Musacchio, M., Spinetti, C., Piscini, A., Buongiorno, M.F., Prata, A.J.

“…In this work the Thermal InfraRed (TIR) measurements of the Spin Enhanced Visible and Infrared Imager (SEVIRI)on board the Meteosat Second Generation (MSG)…”
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Angular effect on surface temperature estimation from AATSR data by Sobrino, J.A., Soria, G., Cuenca, J., Jimenez-Munoz, J.C., Gomez, M., El-Kharraz, J., Prata, A.J.

“…The estimation of sea and land surface temperature using multi-angular algorithms with Advanced Along Track Scanning Radiometer (AATSR) data require an…”
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A continental instrumented ground site network (CIGSN, Australia): a prerequisite for the detection, interpretation and quantification of global change by Graetz, R.D., Wilson, M.A., Prata, A.J., Barton, I.J., Mitchell, R.M.

“…It is recognised that one of the steps limiting the development of an improved understanding of both physical and biological processes at the land surface is…”
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The effects of scale on predictions of land surface temperature from a variety of remote sensing platforms by McCabe, M.F., Prata, A.J., Kalma, J.D.

“…Remotely sensed measurements have the potential to provide information on the land surface at a variety of spatial and temporal scales. However, the temporal…”
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