<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Chen, Qi</style></author><author><style face="normal" font="default" size="100%">Heald, Colette L.</style></author><author><style face="normal" font="default" size="100%">Jimenez, Jose L.</style></author><author><style face="normal" font="default" size="100%">Canagaratna, Manjula R.</style></author><author><style face="normal" font="default" size="100%">Qi Zhang</style></author><author><style face="normal" font="default" size="100%">He, Ling-Yan</style></author><author><style face="normal" font="default" size="100%">Huang, Xiao-Feng</style></author><author><style face="normal" font="default" size="100%">Campuzano-Jost, Pedro</style></author><author><style face="normal" font="default" size="100%">Palm, Brett B.</style></author><author><style face="normal" font="default" size="100%">Poulain, Laurent</style></author><author><style face="normal" font="default" size="100%">Kuwata, Mikinori</style></author><author><style face="normal" font="default" size="100%">Martin, Scot T.</style></author><author><style face="normal" font="default" size="100%">Abbatt, Jonathan P. D.</style></author><author><style face="normal" font="default" size="100%">Lee, Alex K. Y.</style></author><author><style face="normal" font="default" size="100%">Liggio, John</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Elemental composition of organic aerosol: The gap between ambient and laboratory measurements</style></title><secondary-title><style face="normal" font="default" size="100%">Geophysical Research Letters</style></secondary-title><short-title><style face="normal" font="default" size="100%">Geophys. Res. Lett.</style></short-title></titles><dates><year><style  face="normal" font="default" size="100%">2015</style></year><pub-dates><date><style  face="normal" font="default" size="100%">May 28</style></date></pub-dates></dates><number><style face="normal" font="default" size="100%">10</style></number><volume><style face="normal" font="default" size="100%">42</style></volume><pages><style face="normal" font="default" size="100%">4182-4189</style></pages><isbn><style face="normal" font="default" size="100%">0094-8276</style></isbn><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">&lt;p&gt;&lt;span&gt;A large data set including surface, aircraft, and &lt;/span&gt;&lt;span class=&quot;hitHilite&quot;&gt;laboratory&lt;/span&gt;&lt;span&gt; observations &lt;/span&gt;&lt;span class=&quot;hitHilite&quot;&gt;of&lt;/span&gt;&lt;span&gt; &lt;/span&gt;&lt;span class=&quot;hitHilite&quot;&gt;the&lt;/span&gt;&lt;span&gt; atomic oxygen-to-carbon (O:C) and hydrogen-to-carbon (H:C) ratios &lt;/span&gt;&lt;span class=&quot;hitHilite&quot;&gt;of&lt;/span&gt;&lt;span&gt; &lt;/span&gt;&lt;span class=&quot;hitHilite&quot;&gt;organic&lt;/span&gt;&lt;span&gt; &lt;/span&gt;&lt;span class=&quot;hitHilite&quot;&gt;aerosol&lt;/span&gt;&lt;span&gt; (OA) is synthesized and corrected using a recently reported method. &lt;/span&gt;&lt;span class=&quot;hitHilite&quot;&gt;The&lt;/span&gt;&lt;span&gt; whole data set indicates a wide range &lt;/span&gt;&lt;span class=&quot;hitHilite&quot;&gt;of&lt;/span&gt;&lt;span&gt; OA oxidation and a trajectory in &lt;/span&gt;&lt;span class=&quot;hitHilite&quot;&gt;the&lt;/span&gt;&lt;span&gt; Van Krevelen diagram, characterized by a slope &lt;/span&gt;&lt;span class=&quot;hitHilite&quot;&gt;of&lt;/span&gt;&lt;span&gt; -0.6, with variation across campaigns. We show that &lt;/span&gt;&lt;span class=&quot;hitHilite&quot;&gt;laboratory&lt;/span&gt;&lt;span&gt; OA including both source and aged types explains some &lt;/span&gt;&lt;span class=&quot;hitHilite&quot;&gt;of&lt;/span&gt;&lt;span&gt; &lt;/span&gt;&lt;span class=&quot;hitHilite&quot;&gt;the&lt;/span&gt;&lt;span&gt; key differences in OA observed across different environments. However, &lt;/span&gt;&lt;span class=&quot;hitHilite&quot;&gt;the&lt;/span&gt;&lt;span&gt; &lt;/span&gt;&lt;span class=&quot;hitHilite&quot;&gt;laboratory&lt;/span&gt;&lt;span&gt; data typically fall below &lt;/span&gt;&lt;span class=&quot;hitHilite&quot;&gt;the&lt;/span&gt;&lt;span&gt; mean line defined by &lt;/span&gt;&lt;span class=&quot;hitHilite&quot;&gt;ambient&lt;/span&gt;&lt;span&gt; observations, and little &lt;/span&gt;&lt;span class=&quot;hitHilite&quot;&gt;laboratory&lt;/span&gt;&lt;span&gt; data extend to &lt;/span&gt;&lt;span class=&quot;hitHilite&quot;&gt;the&lt;/span&gt;&lt;span&gt; highest O:C ratios commonly observed in remote conditions. OA having both high O:C and high H:C are required to bridge &lt;/span&gt;&lt;span class=&quot;hitHilite&quot;&gt;the&lt;/span&gt;&lt;span&gt; gaps. Aqueous-phase oxidation may produce such OA, but experiments under realistic &lt;/span&gt;&lt;span class=&quot;hitHilite&quot;&gt;ambient&lt;/span&gt;&lt;span&gt; conditions are needed to constrain &lt;/span&gt;&lt;span class=&quot;hitHilite&quot;&gt;the&lt;/span&gt;&lt;span&gt; relative importance &lt;/span&gt;&lt;span class=&quot;hitHilite&quot;&gt;of&lt;/span&gt;&lt;span&gt; this pathway.&lt;/span&gt;&lt;/p&gt;</style></abstract><accession-num><style face="normal" font="default" size="100%">WOS:000356631300069</style></accession-num><notes><style face="normal" font="default" size="100%">&lt;p&gt;Times Cited: 0&lt;/p&gt;</style></notes></record></records></xml>