Search Results - "LEME, N. P"

Drake Antarctic Agile Meteor Radar first results: Configuration and comparison of mean and tidal wind and gravity wave momentum flux measurements with Southern Argentina Agile Meteor Radar by Fritts, D. C., Janches, D., Iimura, H., Hocking, W. K., Bageston, J. V., Leme, N. M. P.

“…A new generation meteor radar was installed at the Brazilian Antarctic Comandante Ferraz Base (62.1°S) in March 2010. This paper describes the motivations for…”
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Validation of Aura Microwave Limb Sounder Ozone by ozonesonde and lidar measurements by Jiang, Y. B., Froidevaux, L., Lambert, A., Livesey, N. J., Read, W. G., Waters, J. W., Bojkov, B., Leblanc, T., McDermid, I. S., Godin-Beekmann, S., Filipiak, M. J., Harwood, R. S., Fuller, R. A., Daffer, W. H., Drouin, B. J., Cofield, R. E., Cuddy, D. T., Jarnot, R. F., Knosp, B. W., Perun, V. S., Schwartz, M. J., Snyder, W. V., Stek, P. C., Thurstans, R. P., Wagner, P. A., Allaart, M., Andersen, S. B., Bodeker, G., Calpini, B., Claude, H., Coetzee, G., Davies, J., De Backer, H., Dier, H., Fujiwara, M., Johnson, B., Kelder, H., Leme, N. P., König-Langlo, G., Kyro, E., Laneve, G., Fook, L. S., Merrill, J., Morris, G., Newchurch, M., Oltmans, S., Parrondos, M. C., Posny, F., Schmidlin, F., Skrivankova, P., Stubi, R., Tarasick, D., Thompson, A., Thouret, V., Viatte, P., Vömel, H., von Der Gathen, P., Yela, M., Zablocki, G.

“…We present validation studies of MLS version 2.2 upper tropospheric and stratospheric ozone profiles using ozonesonde and lidar data as well as climatological…”
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UV-B optical thickness observations of the atmosphere by Kirchhoff, V. W. J. H., Silva, A. A., Costa, C. A., Leme, N. Paes, Pavão, H. G., Zaratti, F.

“…The optical thickness of the atmosphere, τ, was deduced from measurements of narrowband direct solar UV‐B radiation. A measurement campaign was organized to…”
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A major event of Antarctic ozone hole influence in southern Brazil in October 2016: an analysis of tropospheric and stratospheric dynamics by Bittencourt, Gabriela Dornelles, Bresciani, Caroline, Kirsch Pinheiro, Damaris, Bageston, José Valentin, Schuch, Nelson Jorge, Bencherif, Hassan, Leme, Neusa Paes, Vaz Peres, Lucas

“…The Antarctic ozone hole is a cyclical phenomenon that occurs during the austral spring where there is a large decrease in ozone content in the Antarctic…”
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Report of a large depletion in the ozone layer over southern Brazil and Uruguay by using multi-instrumental data by Bresciani, Caroline, Bittencourt, Gabriela Dornelles, Bageston, José Valentin, Pinheiro, Damaris Kirsch, Schuch, Nelson Jorge, Bencherif, Hassan, Leme, Neusa Paes, Peres, Lucas Vaz

“…Ozone is one of the chemical compounds that form part of the atmosphere. It plays a key role in the stratosphere where the “ozone layer” is located and absorbs…”
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A study of the solar cycle signal on total ozone over low-latitude Brazilian observation stations by Echer, E., Kirchhoff, V.W.J.H., Sahai, Y., Paes Leme, N.

“…Observations of total ozone at low latitudes in Brazil have been made using Dobson spectrophotometers since 1974 for Cachoeira Paulista (23.1° S, 45° W) and…”
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Ozone trends on equatorial and tropical regions of South America using Dobson spectrophotometer, TOMS and OMI satellites instruments by Sousa, C.T., Leme, N.M.P., Martins, M.P.P., Silva, F.R., Penha, T.L.B., Rodrigues, N.L., Silva, E.L., Hoelzemann, J.J.

“…The ozone layer filters solar ultraviolet radiation and is affected by several photochemical and dynamical processes in the atmosphere. Stratospheric ozone…”
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Validation of Aura Microwave Limb Sounder Ozone by ozonesonde and lidar measurements : Aura Validation by JIANG, Y. B, FROIDEVAUX, L, FILIPIAK, M. J, HARWOOD, R. S, FULLER, R. A, DAFFER, W. H, DROUIN, B. J, COFIELD, R. E, CUDDY, D. T, JAMOT, R. F, KNOSP, B. W, PERUN, V. S, LAMBERT, A, SCHWARTZ, M. J, SNYDER, W. V, STEK, P. C, THURSTANS, R. P, WAGNER, P. A, ALLAART, M, ANDERSEN, S. B, BODEKER, G, CALPINI, B, CLAUDE, H, LIVESEY, N. J, COETZEE, G, DAVIES, J, BACKER, H. De, DIER, H, FUJIWARA, M, JOHNSON, B, KELDER, H, LEME, N. P, KÖNIG-LANGLO, G, KYRO, E, READ, W. G, LANEVE, G, FOOK, L. S, MERRILL, J, MORRIS, G, NEWCHURCH, M, OLTMANS, S, PARRONDOS, M. C, POSNY, F, SCHMIDLIN, F, SKRIVANKOVA, P, WATERS, J. W, STUBI, R, TARASICK, D, THOMPSON, A, THOURET, V, VIATTE, P, VÖMEL, H, VON DER GATHEN, P, YELA, M, ZABLOCKI, G, BOJKOV, B, LEBLANC, T, MCDERMID, I. S, GODIN-BEEKMANN, S

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ESTUDO DA VARIABILIDADE DA COLUNA DE ÁGUA PRECIPITÁVEL (PWC) NO SEMIÁRIDO BRASILEIRO PARA CALIBRAÇÃO DE FOTÔMETRO SOLAR/VARIABILITY STUDY OF THE PRECIPITABLE WATER COLUMN (PWC) IN SEMI-ARID BRAZILIAN REGION FOR SUN PHOTOMETER CALIBRATION by Cerqueira, J G, Fernandez, J H, Hoelzemann, J J, Leme, N M P, Sousa, C T

“…Water is present in the atmosphere as vapor, from ground level to stratosphere. As a major component of the hydrological cycle, water quantity variation over a…”
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