AN ENHANCED ARCHIVE FACILITATING CLIMATE IMPACTS AND ADAPTATION ANALYSIS

We describe the expansion of a publicly available archive of downscaled climate and hydrology projections for the United States. Those studying or planning to adapt to future climate impacts demand downscaled climate model output for local or regional use. The archive we describe attempts to fulfill...

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Bibliographic Details
Published in:Bulletin of the American Meteorological Society 2014-07, Vol.95 (7), p.1011-1020
Main Authors: Maurer, E. P., Brekke, L., Pruitt, T., Thrasher, B., Long, J., Duffy, P., Dettinger, M., Cayan, D., Arnold, J.
Format: Article
Language:English
Subjects:
Agricultural production
Analysis
Archives
Archives & records
Climate action
Climate change
Climate change adaptation
Climate models
Climatic zones
Climatology
Environmental policy
Global climate
Global climate models
Hydrology
Long-term planning
Meteorology
Modeling
National Environmental Policy Act
Precipitation
Precipitation (Meteorology)
Reclamation
Studies
Water shortages
Water supply
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Description
Summary:We describe the expansion of a publicly available archive of downscaled climate and hydrology projections for the United States. Those studying or planning to adapt to future climate impacts demand downscaled climate model output for local or regional use. The archive we describe attempts to fulfill this need by providing data in several formats, selectable to meet user needs. Our archive has served as a resource for climate impacts modelers, water managers, educators, and others. Over 1,400 individuals have transferred more than 50 TB of data from the archive. In response to user demands, the archive has expanded from monthly downscaled data to include daily data to facilitate investigations of phenomena sensitive to daily to monthly temperature and precipitation, including extremes in these quantities. New developments include downscaled output from the new Coupled Model Intercomparison Project phase 5 (CMIP5) climate model simulations at both the monthly and daily time scales, as well as simulations of surface hydrologi- cal variables. The web interface allows the extraction of individual projections or ensemble statistics for user-defined regions, promoting the rapid assessment of model consensus and uncertainty for future projections of precipitation, temperature, and hydrology. The archive is accessible online (http://gdo-dcp.ucllnl.org/downscaled_cmip_projections).
ISSN:0003-0007
1520-0477
DOI:10.1175/BAMS-D-13-00126.1