Zobrazeno 1 - 10
of 57
pro vyhledávání: '"D. Künkel"'
Autor:
L. F. Millán, P. Hoor, M. I. Hegglin, G. L. Manney, H. Boenisch, P. Jeffery, D. Kunkel, I. Petropavlovskikh, H. Ye, T. Leblanc, K. Walker
Publikováno v:
Atmospheric Chemistry and Physics, Vol 24, Pp 7927-7959 (2024)
Ozone trends in the upper troposphere and lower stratosphere (UTLS) remain highly uncertain because of sharp spatial gradients and high variability caused by competing transport, chemical, and mixing processes near the upper-tropospheric jets and ext
Externí odkaz:
https://doaj.org/article/f1a17b84f18a4e32916ac8fdf4d61aee
Autor:
P. Joppe, J. Schneider, K. Kaiser, H. Fischer, P. Hoor, D. Kunkel, H.-C. Lachnitt, A. Marsing, L. Röder, H. Schlager, L. Tomsche, C. Voigt, A. Zahn, S. Borrmann
Publikováno v:
Atmospheric Chemistry and Physics, Vol 24, Pp 7499-7522 (2024)
The chemical composition of the upper troposphere/lower stratosphere region (UTLS) is influenced by horizontal transport of air masses, vertical transport within convective systems and warm conveyor belts, rapid turbulent mixing, as well as photochem
Externí odkaz:
https://doaj.org/article/c7a3d4adaa6d4f268111eff17166e058
Autor:
T. J. Schuck, J. Degen, E. Hintsa, P. Hoor, M. Jesswein, T. Keber, D. Kunkel, F. Moore, F. Obersteiner, M. Rigby, T. Wagenhäuser, L. M. Western, A. Zahn, A. Engel
Publikováno v:
Atmospheric Chemistry and Physics, Vol 24, Pp 689-705 (2024)
Anthropogenic trace gases often exhibit interhemispheric gradients because of larger emissions in the Northern Hemisphere. Depending on a tracer's emission pattern and sink processes, trace gas observations can thus be used to investigate interhemisp
Externí odkaz:
https://doaj.org/article/75a7946e31f44e37a4b7c625722a7c6f
Autor:
L. F. Millán, G. L. Manney, H. Boenisch, M. I. Hegglin, P. Hoor, D. Kunkel, T. Leblanc, I. Petropavlovskikh, K. Walker, K. Wargan, A. Zahn
Publikováno v:
Atmospheric Measurement Techniques, Vol 16, Pp 2957-2988 (2023)
Ozone trend estimates have shown large uncertainties in the upper troposphere–lower stratosphere (UTLS) region despite multi-decadal observations available from ground-based, balloon, aircraft, and satellite platforms. These uncertainties arise fro
Externí odkaz:
https://doaj.org/article/8de7bc1f2316465baf9aa9f267486acb
Autor:
H.-C. Lachnitt, P. Hoor, D. Kunkel, M. Bramberger, A. Dörnbrack, S. Müller, P. Reutter, A. Giez, T. Kaluza, M. Rapp
Publikováno v:
Atmospheric Chemistry and Physics, Vol 23, Pp 355-373 (2023)
Orographic gravity waves (i.e., mountain waves) can potentially lead to cross-isentropic fluxes of trace gases via the generation of turbulence. During the DEEPWAVE (Deep Propagating Gravity Wave Experiment) campaign in July 2014, we performed tracer
Externí odkaz:
https://doaj.org/article/044fc9f99fd94ed883022edf435457eb
Publikováno v:
Acta Endoscopica. 25:163-168
Les auteurs rapportent une observation de cancer gastrique microcellulaire bifocal fundique associe a des localisations cerebrales et pulmonaires peripheriques. Ils discutent sa nature primitive ou metastatique selon les donnees de la litterature.
Publikováno v:
Acta Endoscopica. 25:175-178
Les auteurs rapportent un cas de pseudolipomatose muqueuse rectosigmoidienne decouvert lors de l’inventaire etiologique d’une diarrhee chronique chez un homme de 31 ans. A propose de cette observation et des donnees de la litterature, ils discute
Publikováno v:
Weather and Climate Dynamics, Vol 2, Pp 631-651 (2021)
A climatology of the occurrence of strong wind shear in the upper troposphere–lower stratosphere (UTLS) is presented, which gives rise to defining a tropopause shear layer (TSL). Strong wind shear in the tropopause region is of interest because it
Externí odkaz:
https://doaj.org/article/4b280f5ea74e4ae581706adca5e97c45
Autor:
F. Köllner, J. Schneider, M. D. Willis, H. Schulz, D. Kunkel, H. Bozem, P. Hoor, T. Klimach, F. Helleis, J. Burkart, W. R. Leaitch, A. A. Aliabadi, J. P. D. Abbatt, A. B. Herber, S. Borrmann
Publikováno v:
Atmospheric Chemistry and Physics, Vol 21, Pp 6509-6539 (2021)
Aerosol particles impact the Arctic climate system both directly and indirectly by modifying cloud properties, yet our understanding of their vertical distribution, chemical composition, mixing state, and sources in the summertime Arctic is incomplet
Externí odkaz:
https://doaj.org/article/6406924080c649d9a2688ac372c9bf23
Publikováno v:
Gastroenterologie clinique et biologique. 20(1)
Portal vein thrombosis complicating a trauma is rare. We report a case of portal vein thrombosis associated with esophageal rupture after a blast injury due to the explosion of a pressurized nitrogen bottle. Portal vein thrombosis was discovered duri