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Changes in Atmospheric Constituents and in Radiative Forcing. Chapter 2
Contributing Authors: G. Bodeker (New Zealand), O. Boucher (UK, France), W.D. Collins (USA), T.J. Conway (USA), E. Dlugokencky (USA), J.W. Elkins (USA), D. Etheridge (Australia), P. Foukal (USA), P.
Clouds and Aerosols
Smoking Rain Clouds over the Amazon
TLDR
Heavy smoke from forest fires in the Amazon was observed to reduce cloud droplet size and so delay the onset of precipitation, which affects the water cycle, the pollution burden of the atmosphere, and the dynamics of atmospheric circulation.
Formation of Secondary Organic Aerosols Through Photooxidation of Isoprene
TLDR
Detailed organic analysis of natural aerosols from the Amazonian rain forest showed considerable quantities of previously unobserved polar organic compounds, which were identified as a mixture of two diastereoisomeric 2-methyltetrols: 2-methylthreitol and 2- methylerythritol, which can be explained by OH radical–initiated photooxidation of isoprene.
Optical properties of humic-like substances (HULIS) in biomass-burning aerosols
We present here the optical properties of humic-like substances (HULIS) isolated from the fine fraction of biomass-burning aerosol collected in the Amazon basin during the LBA-SMOCC (Large scale
A simplified description of the evolution of organic aerosol composition in the atmosphere
[1] Organic aerosol (OA) in the atmosphere consists of a multitude of organic species which are either directly emitted or the products of a variety of chemical reactions. This complexity challenges
The Amazon basin in transition
TLDR
Signs of a transition to a disturbance-dominated regime include changing energy and water cycles in the southern and eastern portions of the Amazon basin.
Fire in the Earth System
TLDR
What is known and what is needed to develop a holistic understanding of the role of fire in the Earth system are reviewed, particularly in view of the pervasive impact of fires and the likelihood that they will become increasingly difficult to control as climate changes.
Effects of black carbon content, particle size, and mixing on light absorption by aerosols from biomass burning in Brazil
Black carbon mass absorption efficiencies of smoke particles were measured for various types of biomass fires during the Smoke, Clouds, and Radiation-Brazil (SCAR-B) experiment using thermal
Water‐soluble organic compounds in biomass burning aerosols over Amazonia 1. Characterization by NMR and GC‐MS
[1] As part of the European contribution to the Large-Scale Atmosphere-Biosphere Experiment in Amazonia (LBA-EUSTACH), aerosols were sampled at representative pasture and primary rainforest sites in
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