Chromophoric signatures of microbial by‐products in the dark ocean

10 pages, 3 figures, 1 table, supporting information https://dx.doi.org/10.1002/2016GL069878.-- The data used are listed in Table 1, and the “Chromophores Toolbox” to estimate the UV and Visible chromophores is available at the Web page “http://ecologia.ugr.es/pages/herramientas/toolbox-matlab?lang=en”