Today’s first long mission flight of HALO for the ASCCI mission went well. Landing was approx. 18:41 local and thus almost 9:40 hours flight time practically as planned. No major instrument problems were reported in the de-briefing. We will now continue with three ground days as planned and the transfer to Kiruna as a longer measurement flight […]
Successful first mission flight for ASCCI mission Weiterlesen »
An international group of researchers, with the participation of Brazilians in particular, has succeeded for the first time in unraveling the physiochemical mechanism that explains the complex system of rain formation in the Amazon, which influences the global climate. It involves the production of aerosol nanoparticles, electrical discharges and chemical reactions at high altitudes that
Trees emit isoprene, which reacts with other molecules and increases the production of cloud condensation nuclei 100-fold A defense mechanism that has emerged and disappeared several times over the evolutionary history of different lines of plants, particularly trees in hot environments, plays a crucial role in Amazonia in one of the most important land climate
Gas in the Amazon rainforest accelerates cloud formation Weiterlesen »
Preparations for the next HALO mission are on the way. During the ASCCI campaign, scientists aim at improving their understanding of: 1. Inter-annual variability of Arctic lower stratospheric ozone depletion and the implications for radiative forcing and surface climate impacts of ozone recovery2. High latitude stratosphere-troposphere exchange and the structure of the high latitude tropopause3.
HALO mission integration ongoing Weiterlesen »
Emissões da floresta amazônica e descargas elétricas produzem partículas de chuva Estudo demonstra mecanismo que faz isopreno – gás liberado pela vegetação – gerar grandes quantidades de aerossóis, capazes de formar núcleos de condensação Um grupo internacional de pesquisadores, com destaque para a participação de brasileiros, conseguiu pela primeira vez desvendar o mecanismo físico-químico que
Emissions from the Amazon rainforest and electrical discharges produce rain particles Weiterlesen »
Complexo sistema de chuvas da Amazônia é desvendado Pesquisadores de diversos países, inclusive do Brasil, investigaram produção de nanopartículas de aerossóis, descargas elétricas e reações químicas em altitudes elevadas, ocorridas entre a noite e o dia Um grupo internacional de pesquisadores, com destaque para a participação de brasileiros, conseguiu desvendar o mecanismo físico-químico que explica o
Complex rainfall system in the Amazon is unveiled Weiterlesen »
Over a period of more than three months, scientists have collected data on cloud formation in the Atlantic with the HALO research aircraft, and repeatedly performed flights underneath the EarthCARE satellite for joint measurements. This campaign, called PERCUSION, was led by the Max Planck Institute for Meteorology and the German Aerospace Center and has now
Above the Clouds: HALO Measurement Campaign Successfully Completed Weiterlesen »
Nachdem die ersten beiden Teile der groß angelegten Messkampagne PERCUSION/ORCESTRA unter Leitung des MPI in Hamburg und des DLR in Oberpfaffenhofen, auf Kap Verde und auf Barbados erfolgreich durchgeführt wurden, sammeln sich die Wissenschaftler erneut für den dritten und letzten Teil der Kampagne. Mit dem Blick voraus auf den noch verbleibenden Kampagnenteil mit der intensivierten EarthCARE Validation können die Wissenschaftler bereits einige Highlights verbuchen.
EarthCARE Validation im vollen Gange! Weiterlesen »
From the beginning of August to the end of September the Meteorological Institute contributed to the HALO aircraft campaign PERCUSION. The cloud systems of the intertropical convergence zone were studied using the German research aircraft HALO from Cape Verde and Barbados islands, i.e. from both sides of the Atlantic, and with the new ESA satellite
The HALO research aircraft from the German Aerospace Center (Deutsches Zentrum für Luft- und Raumfahrt; DLR) has successfully completed the first phase of its most challenging mission to date, in terms of flying and science, over Cabo Verde. Since the beginning of August 2024, HALO (the High Altitude and Long Range research aircraft) has been