Privacy Policy

When You Visit Our Website

We do not collect personally identifiable information (for example, name, address, phone number, email address) from users, regardless of age, unless you provide it to us (See “Data Contributions, Downloads, and Direct Communication” below). This Privacy Policy applies to your use of sites under the domains,, and This Privacy Policy does not apply to your use of any other sites operated by Columbia University or affiliated or unaffiliated third-party sites to which the Site may link.

Web Statistics

As part of standard internet practice, we collect the standard web log information such as IP address, date/time of access, type of browser and operating system when you visit our site. We use IP addresses to analyze trends, track usage of system features and tools, and gather broad demographic information for aggregate use for reporting and sponsorship purposes. IP addresses are not linked to personally identifiable information.


We will share aggregated demographic information with our sponsors. This is not linked to any personal information that can identify any individual person. We only share this information so that we can secure funding to continue providing this site free of charge.


This Website contains links to other sites. Please be aware that the Interdisciplinary Earth Data Alliance does not claim any responsibility for the privacy practices of such other sites.

Use of Cookies

A small number of programs on our web pages use session cookies. Cookies are used for your convenience to maintain “state” between pages and to coordinate search results from multiple programs within a session. The cookies disappear from your machine (expire) after your session ends. We do not maintain a historical database of cookies, nor does it use any other tracking method to profile users.

Data Contributions, Contributions, and Direct Communication

Email Sent to our Help Desk

When you send an electronic mail message to our Help Desk, you may be sending personal information. In these cases, we retain the information only to respond to your request. We do not share this information with any other organization or entity.

Data Contributions

If you use a webform to contribute data to our repositories or if you contact us directly for data submission, we capture the contact information you provide and use it to respond to your comments, requests, and inquiries, to request additional information regarding your submission if needed, and to notify you when your data are accessioned. This information will be maintained for future communications and is not provided to any other organization or entity.

Data Downloads

When you download data from some of our systems, we may ask you to provide your email address. We may occasionally use this information to send you newsletters, service updates, and requests for user surveys. We do not share this information with any other organization or entity. If you wish to opt out of notification, please contact us.

Notification and Correspondence

We notify Data Contributors via email when data are accessioned on our Website. We also provide reports on data usage to data contributors and investigators. We may contact you to send you newsletters, service updates, and occasional requests for user surveys. If you wish to opt out of notification, please contact us. To subscribe to or unsubscribe from our mailing list (, please click here. To subscribe, you must provide your email address and, optionally, your name. We do not share this information with any other organization or entity.