Search Results - "Tsekeri, Alexandra"

Three-dimensional evolution of Saharan dust transport towards Europe based on a 9-year EARLINET-optimized CALIPSO dataset by Marinou, Eleni, Amiridis, Vassilis, Binietoglou, Ioannis, Tsikerdekis, Athanasios, Solomos, Stavros, Proestakis, Emannouil, Konsta, Dimitra, Papagiannopoulos, Nikolaos, Tsekeri, Alexandra, Vlastou, Georgia, Zanis, Prodromos, Balis, Dimitrios, Wandinger, Ulla, Ansmann, Albert

“…In this study we use a new dust product developed using CALIPSO (Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observation) observations and EARLINET…”
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ModIs Dust AeroSol (MIDAS): a global fine-resolution dust optical depth data set by Gkikas, Antonis, Proestakis, Emmanouil, Amiridis, Vassilis, Kazadzis, Stelios, Di Tomaso, Enza, Tsekeri, Alexandra, Marinou, Eleni, Hatzianastassiou, Nikos, Pérez García-Pando, Carlos

“…Monitoring and describing the spatiotemporal variability in dust aerosols is crucial for understanding their multiple effects, related feedbacks, and impacts…”
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A First Case Study of CCN Concentrations from Spaceborne Lidar Observations by Georgoulias, Aristeidis K., Marinou, Eleni, Tsekeri, Alexandra, Proestakis, Emmanouil, Akritidis, Dimitris, Alexandri, Georgia, Zanis, Prodromos, Balis, Dimitris, Marenco, Franco, Tesche, Matthias, Amiridis, Vassilis

“…We present here the first cloud condensation nuclei (CCN) concentration profiles derived from measurements with the Cloud-Aerosol Lidar with Orthogonal…”
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Geometrical and Microphysical Properties of Clouds Formed in the Presence of Dust above the Eastern Mediterranean by Marinou, Eleni, Voudouri, Kalliopi Artemis, Tsikoudi, Ioanna, Drakaki, Eleni, Tsekeri, Alexandra, Rosoldi, Marco, Ene, Dragos, Baars, Holger, O’Connor, Ewan, Amiridis, Vassilis, Meleti, Charikleia

“…In this work, collocated lidar–radar observations are used to retrieve the vertical profiles of cloud properties above the Eastern Mediterranean. Measurements…”
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From Tropospheric Folding to Khamsin and Foehn Winds: How Atmospheric Dynamics Advanced a Record-Breaking Dust Episode in Crete by Solomos, Stavros, Kalivitis, Nikos, Mihalopoulos, Nikos, Amiridis, Vassilis, Kouvarakis, Giorgos, Gkikas, Antonis, Binietoglou, Ioannis, Tsekeri, Alexandra, Kazadzis, Stelios, Kottas, Michael, Pradhan, Yaswant, Proestakis, Emmanouil, Nastos, Panagiotis, Marenco, Franco

“…A record-breaking dust episode took place in Crete on 22 March 2018. The event was characterized by surface concentrations exceeding 1 mg m−3 for a period of…”
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Vertical profiles of aerosol mass concentration derived by unmanned airborne in situ and remote sensing instruments during dust events by Mamali, Dimitra, Marinou, Eleni, Sciare, Jean, Pikridas, Michael, Kokkalis, Panagiotis, Kottas, Michael, Binietoglou, Ioannis, Tsekeri, Alexandra, Keleshis, Christos, Engelmann, Ronny, Baars, Holger, Ansmann, Albert, Amiridis, Vassilis, Russchenberg, Herman, Biskos, George

“…In situ measurements using unmanned aerial vehicles (UAVs) and remote sensing observations can independently provide dense vertically resolved measurements of…”
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Assessing Sea-State Effects on Sea-Salt Aerosol Modeling in the Lower Atmosphere Using Lidar and In-Situ Measurements by Varlas, George, Marinou, Eleni, Gialitaki, Anna, Siomos, Nikolaos, Tsarpalis, Konstantinos, Kalivitis, Nikolaos, Solomos, Stavros, Tsekeri, Alexandra, Spyrou, Christos, Tsichla, Maria, Kampouri, Anna, Vervatis, Vassilis, Giannakaki, Elina, Amiridis, Vassilis, Mihalopoulos, Nikolaos, Papadopoulos, Anastasios, Katsafados, Petros

“…Atmospheric-chemical coupled models usually parameterize sea-salt aerosol (SSA) emissions using whitecap fraction estimated considering only wind speed and…”
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The Potential of GRASP/GARRLiC Retrievals for Dust Aerosol Model Evaluation: Case Study during the PreTECT Campaign by Konsta, Dimitra, Tsekeri, Alexandra, Solomos, Stavros, Siomos, Nikolaos, Gialitaki, Anna, Tetoni, Eleni, Lopatin, Anton, Goloub, Philippe, Dubovik, Oleg, Amiridis, Vassilis, Nastos, Panagiotis

“…We use the Generalized Retrieval of Aerosol Surface Properties algorithm (GRASP) to compare with dust concentration profiles derived from the NMME-DREAM model…”
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Using the Physical Optics Approximation for Estimating the Light Scattering Properties of Large Dust Particles for Lidar Applications by Konoshonkin, Alexander, Kustova, Natalia, Borovoi, Anatoli, Tsekeri, Alexandra, Gasteiger, Josef

“…The physical optics approximation was used to solve the light scattering problem of large dust particles with irregular shape. The comparison between the…”
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Natural Aerosols, Gaseous Precursors and Their Impacts in Greece: A Review from the Remote Sensing Perspective by Amiridis, Vassilis, Kazadzis, Stelios, Gkikas, Antonis, Voudouri, Kalliopi Artemis, Kouklaki, Dimitra, Koukouli, Maria-Elissavet, Garane, Katerina, Georgoulias, Aristeidis K., Solomos, Stavros, Varlas, George, Kampouri, Anna, Founda, Dimitra, Psiloglou, Basil E., Katsafados, Petros, Papachristopoulou, Kyriakoula, Fountoulakis, Ilias, Raptis, Panagiotis-Ioannis, Georgiou, Thanasis, Gialitaki, Anna, Proestakis, Emmanouil, Tsekeri, Alexandra, Drakaki, Eleni, Marinou, Eleni, Giannakaki, Elina, Misios, Stergios, Kapsomenakis, John, Eleftheratos, Kostas, Hatzianastassiou, Nikos, Kalabokas, Pavlos, Zanis, Prodromos, Vrekoussis, Mihalis, Papayannis, Alexandros, Kazantzidis, Andreas, Kourtidis, Konstantinos, Balis, Dimitris, Bais, Alkiviadis F., Zerefos, Christos

“…The Mediterranean, and particularly its Eastern basin, is a crossroad of air masses advected from Europe, Asia and Africa. Anthropogenic emissions from its…”
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Calculations of Light Scattering Matrix of Dust Aerosols for Problems of Lidar Remote Sensing by Kustova, Natalia, Konoshonkin, Alexander, Borovoi, Anatoli, Wang, Zhenzhu, Liu, Dong, Xie, Chenbo, Tsekeri, Alexandra, Gasteiger, Josef

“…The light scattering matrix is calculated for large dust particles with irregular shape and refractive index of 1.3116+ i 0.0. The scattering matrix in the…”
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Is Near-Spherical Shape “the New Black” for Smoke ? by Gialitaki, Anna, Tsekeri, Alexandra, Amiridis, Vassilis, Ceolato, Romain, Paulien, Lucas, Proestakis, Emmanouil, Marinou, Eleni, Haarig, Moritz, Baars, Holger, Balis, Dimitris

“…We present smoke lidar measurements from the Canadian fires of 2017. The advected smoke layers over Europe are detected at both tropospheric and stratospheric…”
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Polarization Lidar for Detecting Dust Orientation by Tsekeri, Alexandra, Freudenthaler, Volker, Doxastakis, George, Gasteiger, Josef, Louridas, Alexandros, Georgoussis, George, Binietoglou, Ioannis, Georgiou, Thanasis, Ulanowski, Zbigniew, Amiridis, Vassilis

“…We present the preliminary design of a polarization lidar system for detecting oriented dust particles. The system emits linearly- and circularly-polarized…”
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The ESA-EVE Polarization Lidar for Assessing the Aeolus Aerosol Product Perfomance by Paschou, Peristera, Proestakis, Emmanouil, Tsekeri, Alexandra, Siomos, Nikos, Gkikas, Antonis, Gialitaki, Anna, Marinou, Eleni, Binietoglou, Ioannis, Meleti, Charikleia, Freudenthaler, Volker, Georgoussis, George, Doxastakis, George, Louri-das, Alexandros, Von Bismarck, Jonas, Amiridis, Vassilis

“…We present the EVE lidar concept, a combined linear/circular polarization system, tailored to evaluate the spaceborne ALADIN Doppler lidar system aerosol…”
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Studies on mineral dust using airborne lidar, ground-based remote sensing, and in situ instrumentation by Marenco, Franco, Ryder, Claire, Estellés, Victor, Segura, Sara, Amiridis, Vassilis, Proestakis, Emmanouil, Marinou, Eleni, Tsekeri, Alexandra, Smith, Helen, Ulanowski, Zbigniew, O’Sullivan, Debbie, Brooke, Jennifer, Pradhan, Yaswant, Buxmann, Joelle

“…In August 2015, the AER-D campaign made use of the FAAM research aircraft based in Cape Verde, and targeted mineral dust. First results will be shown here. The…”
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Aerosol absorption profiling from the synergy of lidar and sun-photometry: the ACTRIS-2 campaigns in Germany, Greece and Cyprus by Tsekeri, Alexandra, Amiridis, Vassilis, Lopatin, Anton, Marinou, Eleni, Giannakaki, Eleni, Pikridas, Michael, Sciare, Jean, Liakakou, Eleni, Gerasopoulos, Evangelos, Duesing, Sebastian, Corbin, Joel C., Gysel, Martin, Bukowiecki, Nicolas, Baars, Holger, Engelmann, Ronny, Wehner, Birgit, Kottas, Michael, Mamali, Dimitra, Kokkalis, Panagiotis, Raptis, Panagiotis I., Stavroulas, Iasonas, Keleshis, Christos, Müller, Detlef, Solomos, Stavros, Binietoglou, Ioannis, Mihalopoulos, Nikolaos, Papayannis, Alexandros, Stachlewska, Iwona S., Igloffstein, Julia, Wandinger, Ulla, Ansmann, Albert, Dubovik, Oleg, Goloub, Philippe

“…Aerosol absorption profiling is crucial for radiative transfer calculations and climate modelling. Here, we utilize the synergy of lidar with sun-photometer…”
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Lidar Ice nuclei estimates and how they relate with airborne in-situ measurements by Marinou, Eleni, Amiridis, Vassilis, Ansmann, Albert, Nenes, Athanasios, Balis, Dimitris, Schrod, Jann, Binietoglou, Ioannis, Solomos, Stavros, Mamali, Dimitra, Engelmann, Ronny, Baars, Holger, Kottas, Michael, Tsekeri, Alexandra, Proestakis, Emmanouil, Kokkalis, Panagiotis, Goloub, Philippe, Cvetkovic, Bojan, Nichovic, Slobodan, Mamouri, Rodanthi, Pikridas, Michael, Stavroulas, Iasonas, Keleshis, Christos, Sciare, Jean

“…By means of available ice nucleating particle (INP) parameterization schemes we compute profiles of dust INP number concentration utilizing Polly-XT and…”
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3D Structure of Saharan Dust Transport Towards Europe as Seen by CALIPSO by Marinou, Eleni, Amiridis, Vassilis, Tsekeri, Alexandra, Solomos, Stavros, Kokkalis, Panos, Proestakis, Emmanouil, Kottas, Michael, Binietoglou, Ioannis, Zanis, Prodromos, Kazadzis, Stelios, Wandinger, Ulla, Ansmann, Albert

“…We present a 3D multi-year monthly mean climatology of Saharan dust advection over Europe using an area-optimized pure dust CALIPSO product. The product has…”
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Application of the Garrlic Algorithm for the Characterization of Dust and Marine Particles Utilizing the Lidar-Sunphotometer Synergy by Tsekeri, Alexandra, Amiridis, Vassilis, Lopatin, Anton, Marinou, Eleni, Kokkalis, Panos, Solomos, Stavros, Engelmann, Ronny, Baars, Holger, Wandinger, Ulla, Ansmann, Albert, Schüttemeyer, Dirk, Dubovik, Oleg

“…The importance of studying the vertical distribution of aerosol plumes is prominent in regional and climate studies. The new Generalized Aerosol Retrieval from…”
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Utilizing The Synergy of Airborne Backscatter Lidar and In-Situ Measurements for Evaluating CALIPSO by Tsekeri, Alexandra, Amiridis, Vassilis, Marenco, Franco, Marinou, Eleni, Rosenberg, Phil, Solomos, Stavros, Trembath, Jamie, Allan, James, Bacak, Asan, Nenes, Athanasios

“…Airborne campaigns dedicated to satellite validation are crucial for the effective global aerosol monitoring. CALIPSO is currently the only active remote…”
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