Zobrazeno 1 - 10
of 336
pro vyhledávání: '"Althausen Dietrich"'
Implementation of mineralogy in COSMO5.05–MUSCAT and model dust loading comparison with measurements
Autor:
Gómez Maqueo Anaya Sofía, Althausen Dietrich, Faust Matthias, Baars Holger, Heinold Bernd, Hofer Julian, Tegen Ina, Ansmann Albert, Engelmann Ronny, Skupin Annett, Heese Birgit, Schepanski Kerstin
Publikováno v:
E3S Web of Conferences, Vol 575, p 02007 (2024)
A mineralogical database is included in the simulation of mineral dust atmospheric life cycle for the chemistry and transport model COSMO5.05-MUSCAT. Evaluation of the ability of the model to reproduce the atmospheric drivers and the spatial-temporal
Externí odkaz:
https://doaj.org/article/1365157960a34423a6f09026f2098a2f
Autor:
Hofer Julian, Althausen Dietrich, Ansmann Albert, Abdullaev Sabur F., Makhmudov Abduvosit N., Lipken Friederike, Jimenez Cristofer, Baars Holger, Engelmann Ronny, Radenz Martin
Publikováno v:
E3S Web of Conferences, Vol 575, p 02003 (2024)
First ever lidar observation in Tajikistan were conducted during the Central Asian Dust Experiment 2015–2016 (CADEX) in Dushanbe. Analysis of layer-mean optical properties revealed frequently low lidar ratios at enhanced depolarization ratios. Thes
Externí odkaz:
https://doaj.org/article/a5cef618196043229571da1b1a772adb
Autor:
Fomba Khanneh Wadinga, Faboya Oluwabamise Lekan, Deabji Nabil, Müller Konrad, Hofer Julian, Makhmudov Abduvosit N., Althausen Dietrich, Abdullaev Sabur F., Herrmann Hartmut
Publikováno v:
E3S Web of Conferences, Vol 575, p 03001 (2024)
In the Central Asian region, susceptibility to dust storms and escalating anthropogenic emissions poses challenges for air quality as well as environmental health. This study explores the temporal and seasonal dynamics of oxygenated polycyclic aromat
Externí odkaz:
https://doaj.org/article/b3bb9e5c754c4879a8537b1e95823fe7
Autor:
Lipken Friederike, Hofer Julian, Jimenez Cristofer, Althausen Dietrich, Radenz Martin, Engelmann Ronny, Baars Holger, Abdullaev Sabur F.
Publikováno v:
E3S Web of Conferences, Vol 575, p 05002 (2024)
Focusing on Tajikistan, a region facing critical environmental challenges, this extended abstract provides insights into the relationship between aerosols and clouds in Central Asia by means of lidar observations. Since 2019, a novel Dual-Field-of-Vi
Externí odkaz:
https://doaj.org/article/6e2ddcafa7bb4dbcbf7c5ae71ffbe595
Autor:
Haarig Moritz, Baars Holger, Ansmann Albert, Engelmann Ronny, Ohneiser Kevin, Jimenez Cristofer, Althausen Dietrich, Bühl Johannes, Seifert Patric, Mamouri Rodanthi, Nisantzi Argyro
Publikováno v:
EPJ Web of Conferences, Vol 237, p 02036 (2020)
Canadian wildfire smoke was detected in the troposphere and lower stratosphere over Europe in August and September 2017. Lidar measurements from various stations of the European Aerosol Research Lidar Network (EARLINET) observed the stratospheric smo
Externí odkaz:
https://doaj.org/article/5e5e9ba2ffbf4bc99f3af578a08df178
Publikováno v:
EPJ Web of Conferences, Vol 237, p 02016 (2020)
We present a new method to determine the hygroscopic growth of atmospheric particles. This method combines lidar measurements with high temporal resolution of the particle backscatter coefficient and water vapor mixing ratio with temperature measurem
Externí odkaz:
https://doaj.org/article/65511b3b95e249e7a34f9585a50c7fa7
Autor:
Chaikovsky Anatoli, Bril Andrey, Dubovik Oleg, Fedarenka Anton, Goloub Philippe, Hu Qiaoyun, Lopatin Anton, Lapyonok Tatyana, Miatselskaya Natallia, Torres Benjamin, Fuertes David, Peshcharankou Vladislau, Podvin Thierry, Popovici Ioana, Liu Dong, Li Zhengqiang, Soupiona Ourania, Mylonaki Maria, Mona Lucia, Giunta Aldo, Papagiannopoulos Nikolaos, Perrone Maria Rita, Romano Salvatore, Balis Dimitris, Siomos Nikolaos, Voudouri Kalliopi-Artemis, Belegante Livio, Nicolae Doina, Ene Dragos, Ajtai Nicolae, Stefanie Horatiu, Amiridis Vassilis, Tsekeri Alexandra, Bortoli Daniele, Costa Maria Joao, Mattis Ina, Rocadenbosch Francesc, Rodríguez-Gomez Alejandro, Sicard Michael, Fernandez Alfonso J., Molero Francisco, Althausen Dietrich, Baars Holger, Rascado Juan Luis Guerrero, Ortiz-Amezcua Pablo, Oltra José Antonio Benavent, Bedoya-Velásquez Andrés Esteban, Román Roberto, Alados-Arboledas Lucas, Balin Yurii, Kokhanenko Grigorii, Penner Ivan, Chen Boris, Sverdlik Leonid, Milinevsky Genadi, Sugimoto Nobuo, Shimizu Atsushi, Nishizawa Tomoaki, Kudo Rei, Sano Itaru, Yasunari Teppei J., Irie Hitoshi, Takemura Toshihiko, Kim Sang-Woo, Anh Nguyen Xuan, Thanh Pham Xuan, Pietruczuk Aleksander, Stachlewska Iwona S., Sannino Alessia, Wang Xuan, Boselli Antonela
Publikováno v:
EPJ Web of Conferences, Vol 237, p 02035 (2020)
The paper presents the preliminary results of the lidar&radiometer measurement campaign (LRMC-2017), estimation of statistical relations between aerosol mode concentrations retrieved from CALIOP and ground-based lidar stations and case study of fire
Externí odkaz:
https://doaj.org/article/15a8e4212fda4abeb19f7ee2fac090cc
Autor:
Hofer Julian, Althausen Dietrich, Abdullaev Sabur F., Makhmudov Abduvosit N., Nazarov Bakhron I., Baars Holger, Engelmann Ronny, Ansmann Albert
Publikováno v:
EPJ Web of Conferences, Vol 237, p 02027 (2020)
Tajikistan is often affected by atmospheric mineral dust originating from various surrounding deserts. The direct and indirect radiative effects of that dust play a sensitive role in the Central Asian climate system and therefore need to be quantifie
Externí odkaz:
https://doaj.org/article/d01c2d70cf8243b9a0b28fd24809fd37
Autor:
Haarig Moritz, Ansmann Albert, Walser Adrian, Baars Holger, Urbanneck Claudia, Weinzierl Bernadett, Schöberl Manuel, Dollner Maximilian, Mamouri Rodanthi, Althausen Dietrich
Publikováno v:
E3S Web of Conferences, Vol 99, p 04002 (2019)
Vertical profiles of number concentrations of dust particles relevant for ice nucleation in clouds are derived from lidar measurements. The results are compared to coincidental airborne in-situ measurements of particle number and surface area concent
Externí odkaz:
https://doaj.org/article/d505891e8c7846d68f728edde33d0211
Autor:
Engelmann Ronny, Hofer Julian, Makhmudov Abduvosit N., Baars Holger, Hanbuch Karsten, Ansmann Albert, Abdullaev Sabur F., Macke Andreas, Althausen Dietrich
Publikováno v:
E3S Web of Conferences, Vol 99, p 02010 (2019)
During the 18-month Central Asian Dust Experiment we conducted continuous lidar measurements at the Physical Technical Institute of the Academy of Sciences of Tajikistan in Dushanbe between 2015 and 2016. Mineral dust plumes from various source regio
Externí odkaz:
https://doaj.org/article/6f2bd4c39ccd478db59d24165ca51f1f