The Arctic System Reanalysis (ASR)

Funded by:

- NASA (since June 2015) to complete ASRv2 2000-2012

- The National Science Foundation as an International Polar Year (IPY) project


Latest News on ASR (2017/06/05):

ASRv2 15-km has been completed for 2000-2012 and is available at NCAR CISL RDA. Expedited completion was facilitated by the Ohio Supercomputer Center providing enhanced access to their new Owens cluster. A full description of ASRv2 has been submitted to Bulletin of the American Meteorological Society (Manuscript, PDF), currently under review.

Our next task is to extend ASRv2 15-km through the end of 2016 with a target completion date of mid-2017.

Rather than rerun the ASRv2 assimilation again at 30-km resolution, we will subset ASRv2 15-km to 30-km and probably 60-km resolutions to simplify analysis.

We are seeking funding from NSF to undertake a new version of ASR (v3) for 1979-2020. Upgrades to the atmospheric data assimilation approach and land surface modeling are proposed.

ASRv1 30-km (formerly ASR final version) is complete for January 1, 2000 - December 31, 2012. ASRv1 30-km is available at the NCAR CISL RDA.

Based on ASRv1 30-km results from Bromwich et al. (2016), the following changes have been made for ASRv2 15-km: