“Copernicus Publications is committed to the open-access model of publishing. This ensures free web access to the results of research and maximum visibility for published papers. Authors retain copyright and works are distributed under the CC BY License. However, it requires the author or a supporting institution to pay the publisher’s costs of the administration of the review process, typesetting, image processing, language copy-editing, web publication, dissemination, and long-term archiving (via Portico and CLOCKSS) in the form of article processing charges (APCs). Copernicus Publications provides all its services in-house. The current page prices for the individual journals can be found at our APC overview page….
Most of the journals we publish are owned by learned societies and other scientific institutions. These journal owners can decide whether they want to subsidize their journal(s) by covering the costs of our services entirely or partly (no APCs for authors or APCs smaller than the costs of our services); they can forward the costs of our services to the authors and thereby break even (APCs = costs of our service); or they can decide to generate some income for their own community activities by adding an amount x to the amount of our service fee (APCs for authors higher than the costs of our services)….
The following APC breakdown represents an average of all journals we publish: …”