Search Results - "Demissie, T. D."

Characteristics and sources of gravity waves observed in noctilucent cloud over Norway by Demissie, T. D, Espy, P. J, Kleinknecht, N. H, Hatlen, M, Kaifler, N, Baumgarten, G

“…Four years of noctilucent cloud (NLC) images from an automated digital camera in Trondheim and results from a ray-tracing model are used to extend the…”
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Quasi-16-day period oscillations observed in middle atmospheric ozone and temperature in Antarctica by Demissie, T. D., Kleinknecht, N. H., Hibbins, R. E., Espy, P. J., Straub, C.

“…Nightly averaged mesospheric temperature derived from the hydroxyl nightglow at Rothera station (67°34' S, 68°08' W) and nightly midnight measurements of ozone…”
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Drivers of Subseasonal Forecast Errors of the East African Short Rains by Kolstad, E. W., MacLeod, D., Demissie, T. D.

“…The ‘short rains’ in East Africa from October to December have significant year‐to‐year variability. Their abundance or deficiency is often associated with…”
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Results from the intercalibration of optical low light calibration sources 2011 by Brändström, B. U. E., Enell, C.-F., Widell, O., Hansson, T., Whiter, D., Mäkinen, S., Mikhaylova, D., Axelsson, K., Sigernes, F., Gulbrandsen, N., Schlatter, N. M., Gjendem, A. G., Cai, L., Reistad, J. P., Daae, M., Demissie, T. D., Andalsvik, Y. L., Roberts, O., Poluyanov, S., Chernouss, S.

“…Following the 38th Annual European Meeting on Atmospheric Studies by Optical Methods in Siuntio in Finland, an intercalibration workshop for optical low light…”
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A double ITCZ phenomenology of wind errors in the equatorial Atlantic in seasonal forecasts with ECMWF models by Shonk, Jonathan K. P, Demissie, Teferi D, Toniazzo, Thomas

“…Modern coupled general circulation models produce systematic biases in the tropical Atlantic that hamper the reliability of long-range predictions. This study…”
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Planetary wave oscillations observed in ozone and PMSE data from Antarctica by Demissie, T.D., Hosokawa, K., Kleinknecht, N.H., Espy, P.J., Hibbins, R.E.

“…The effect of temperature variations caused by planetary waves on the occurrence of Polar Mesospheric Summer Echoes (PMSE) has been a subject of recent…”
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Results from the intercalibration of optical low light calibration sources 2011 by Brändström, B. U. E, Enell, C.-F, Widell, O, Hansson, T, Whiter, D, Mäkinen, S, Mikhaylova, D, Axelsson, K, Sigernes, F, Gulbrandsen, N, Schlatter, N. M, Gjendem, A. G, Cai, L, Reistad, J. P, Daae, M, Demissie, T. D, Andalsvik, Y. L, Roberts, O, Poluyanov, S, Chernouss, S

“…Following the 38th Annual European Meeting on Atmospheric Studies by Optical Methods in Siuntio in Finland, an intercalibration workshop for optical low light…”
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