Clouds and the 2002 LBA Field Campaign Alexandre A. Costa Universidade Estadual do Ceará / UECE.
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Transcript of Clouds and the 2002 LBA Field Campaign Alexandre A. Costa Universidade Estadual do Ceará / UECE.
Clouds and the2002 LBA Field Campaign
Alexandre A. CostaAlexandre A. Costa
Universidade Estadual do Ceará / UECEUniversidade Estadual do Ceará / UECE
Questions
What’s Amazon clouds microstructure?What’s Amazon clouds microstructure? What are the differences in the What are the differences in the
microstructure of dry and wet season microstructure of dry and wet season clouds? clouds?
How do such differences influence the How do such differences influence the larger scales?larger scales?
Enhanced Enhanced surface surface fluxesfluxes
Tropical clouds and climate
Clouds Clouds greenhouse greenhouse effecteffect
Blocking ofBlocking of Solar RadiationSolar Radiation Release Release
of latent of latent heatheat
Conceptual model
Polluted cloudsPolluted clouds Too many dropletsToo many droplets Low precipitation Low precipitation
efficiencyefficiency Need of ice-phase to Need of ice-phase to
produce rainproduce rain
Wet season cloudsWet season clouds Fewer dropletsFewer droplets Relatively large Relatively large
precipitation efficiencyprecipitation efficiency Development of Development of
warm rainwarm rain
Platform
UECE’s instrumented aircraftUECE’s instrumented aircraft
Pressure, temperature and humidity sensors
FSSP and Csiro-KingOAP 200X and 200Y
CCN counter
Global Positioning System
Data Acquisition System
Instrumentation
Campaign Summary (Flight Legs)72 flight hours:72 flight hours:
20020921-1, 20020921-2,20020921-3, 20020921-4 (transit from Fortaleza to Ji-20020921-1, 20020921-2,20020921-3, 20020921-4 (transit from Fortaleza to Ji-Paraná)Paraná)
20020923-1, 20020924-1, 20020926-1, 20020927-1, 20020928-1 (cloud base 20020923-1, 20020924-1, 20020926-1, 20020927-1, 20020928-1 (cloud base sampling, cloud vertical profiles, aerosol sampling, aerosol instrumentation sampling, cloud vertical profiles, aerosol sampling, aerosol instrumentation intercomparison, from Ji-Paraná – very smoky)intercomparison, from Ji-Paraná – very smoky)
20020930-1, 20020930-2, 20021001-1, 20021001-2 (cloud base studies, cloud 20020930-1, 20020930-2, 20021001-1, 20021001-2 (cloud base studies, cloud vertical profiles from Vilhena and Alta Floresta)vertical profiles from Vilhena and Alta Floresta)
20021004-1, 20021004-2, 20021004-3, 20021005-1, 20021005-2, 20021006-1, 20021004-1, 20021004-2, 20021004-3, 20021005-1, 20021005-2, 20021006-1, 20021006-2 (cloud vertical profiles, cloud base studies from Ji-Paraná to the 20021006-2 (cloud vertical profiles, cloud base studies from Ji-Paraná to the north of Cruzeiro do Sul)north of Cruzeiro do Sul)
20021008-1, 20021009-1, 20021011-1, 20021011-2, 20021012-1, 20021013-1, 20021008-1, 20021009-1, 20021011-1, 20021011-2, 20021012-1, 20021013-1, 20021014-1 (cloud vertical profiles, cloud base studies from Ji-Paraná – cleaner)20021014-1 (cloud vertical profiles, cloud base studies from Ji-Paraná – cleaner)
200215-1. 200215-2, 200216-1, 200216-2 (return to Fortaleza)200215-1. 200215-2, 200216-1, 200216-2 (return to Fortaleza)
200218-1 (CCN sampling, cloud base studies, cloud vertical profiles from 200218-1 (CCN sampling, cloud base studies, cloud vertical profiles from Fortaleza)Fortaleza)
Preliminary Results
Preliminary Results
Preliminary Results