A fair use statement regarding the full text of the request

Your requested [安图红松树轮稳定碳同位素记录的低云量信息] is currently limited to Institute of Geochemistry,Chinese Academy of Sciences internal sharing.

To solicit author authorization, you need to provide the following information: name, organization, personal e-mail, reason for request. The information you provide will be reviewed and you are committed to the truth of the information provided. The personal information you provide will be protected according to law.