Dust vertical distribution in the Caribbean during the Puerto Rico Dust Experiment

Details Dust vertical distribution in the Caribbean during the Puerto Rico Dust Experiment Dust vertical distribution in the Caribbean during the Puerto Rico Dust Experiment

Apr 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002georl..29g..55r&link_type=abstract

Geophysical Research Letters, Volume 29, Issue 7, pp. 55-1, CiteID 1151, DOI 10.1029/2001GL014092

Physics

13

Atmospheric Composition And Structure: Aerosols And Particles (0345, 4801), Atmospheric Composition And Structure: Geochemical Cycles, Atmospheric Composition And Structure: Transmission And Scattering Of Radiation, Atmospheric Composition And Structure: Troposphere-Constituent Transport And Chemistry

Scientific paper

As part of Puerto Rico Dust Experiment (PRIDE), a Piper Navajo research aircraft, equipped with particle probes and an airborne Sun photometer, was deployed to Puerto Rico in July 2000. During the study, mid-visible optical depths in Puerto Rico due to dust reached 0.5. In the middle of the summer transport season, the vertical distributions of dust were similar to that commonly assumed in the region with dust concentrated in the Saharan Air Layer (SAL) aloft. However, during the first half of the study period, dust had the highest concentrations in the marine and convective boundary layers, with lower dust concentrations above the trade inversion despite the presence of a strong SAL. Supporting meteorology suggests that the state of the monsoon on the coast of Africa influences the nature of the vertical distribution of dust in the Caribbean.

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