| 2010-03-01 Search for people under Advanced Search was improved. Lists can be downloaded as .csv files directly. |
| 2010-02-15 NDACC is now fully integrated, and metadata on NDACC observations are updated weekly. |
| 2009-11-20 GAWSIS made a first attempt to provide a global picture on AOD measurements. Check the 'List stations by affiliated network' drop-down. |
| 2009-05-12 Contact information can be directly downloaded as vCard for use with Outlook, PDAs, etc. |
| 2009-02-21 GAWSIS reports of stations affiliated with networks that are associated with GAW now link back to information provided by these networks. |
| 2009-01-15 The climate zones assigned to each station have been updated, using a gridded data set. Please look at the FAQs and Glossary to find out more. |
| 2008-12-01 GAWSIS is being reviewed systematically, and contacts are approached with the request to update information. For inquiries, please get in touch with Roman Hüppi. |
| 2008-05-27 GAWSIS now lists stations also by affiliated programme. The list is not yet complete and will be extended ... |
| 2008-04-15 Metadata intake from WDCGG re-established. Search and retrieve data archived at WDCGG while knowing what else is going on at a station. |
| 2008-03-20 WRDC metadata fully reflected in GAWSIS. Links still point to WRDC home page only (we're working on this...) |
| 2007-10-19 Under >Edit/Add Information<, GAWSIS users can choose Bibliographic References and provide a list of references to technical reports, scientific papers, etc. |
| 2007-08-15 The WDCGG database has been re-organized. The links from GAWSIS to WDCGG still point to the old database, but will be updated ASAP. We are sorry for the inconvenience. |
| 2006-10-27 GAWSIS now offers an alternative way of browsing information: GoogleEarth - Fasten your seat belts... |
| 2006-06-13 A substantial portion of the metadata in WDCGG have been mirrored. Hyperlinks in station reports lead directly to the relevant WDCGG entry. |
| 2006-05-24 Use QuickFind>Contact Information to get to a hyperlinked list of stations for which a contact is registered. |
| 2005-11-07 Registered users of GAWSIS can click on Edit/Add Information to request their password and have it sent to their registered e-mail address. |
| 2005-03-09 GAWSIS synchronized with WRDC (as of 2004-10-09) and WDCGG (as of 2004-10-19). As a result, some duplicate data series exist for now. Note: Not all entries could be synchronized due to ambiguities. |
| 2005-01-03 QuickFind now takes you directly to country lists of stations. About explains the rationale for GAWSIS. |
| 2004-08-03 Automatic metadata exchange with WOUDC implemented. Maps of all parameters submitted to WOUDC now complete and up-to-date. |
| 2004-04-29 Minor bug fixes and a new feature: Click on Find Information to produce lists of people involved in GAW. |
| 2003-12-26 New Release of GAWSIS. The most obvious improvement is the addition of an inter-active map as an alternative navigation tool and to produce presentation graphics. Also, many of the forms used for editing/adding information have been updated. Please provide feed-back and report errors you may encounter. |
| 2002-10-28 The tasks of the World Data Centre for Surface Ozone have been transferred to the World Data Centre for Greenhouse Gases (WDCGG) as of October, 2002. WDCGG has started to accept data and submission of quality-controlled data is strongly encouraged. |
| 2001-12-14 Web-interface to GAWSIS released. |