|  |  | NSF OPP Collaborative Project: Fresh water and heat fluxes to the Arctic Ocean modeled with tree-ring proxies Learn more (UNH)... Learn more (UA)... |  | 
| TRISH - Tree Ring Integrated System for Hydrology | |
| Starting Regions for the Climatic Reconstruction System The tool use process is done in two steps: 
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|   Sub-Arctic Region Presently, 143 sites |   European Region Presently, No sites | 
|   Southwestern US Region Presently, 31 sites |   Southeastern Asia Region Presently, No sites | 
| View Hydrologic and Climate Driver Maps Used in the Climatic Reconstruction System | |
|   Global Extent Presently, 3 sets of hydrological and climate drivers | |