{"thcode":61,"term":{"code":503,"name":"dendrochronological analysis","parent":502,"scope":"absolute dating method based on counting the annual growth rings in a sampled tree trunk; often used to date climatological events that affected the rate of growth in the tree."},"uf":[{"name":"tree ring analysis","usewith":false}],"bt":[{"code":502,"name":"absolute dating (geologic)","parent":501,"scope":"used for all geologic dating methods yielding numerical ages"},{"code":501,"name":"geologic dating","parent":486,"scope":"used for all methods of dating geologic (or archaeologic) materials, including both absolute dating methods (yielding numerical ages) relative dating methods (for determining the relative order of geologic events)."},{"code":486,"name":"laboratory methods","parent":398,"scope":"used for all laboratory procedures in support of scientific investigations."},{"code":398,"name":"research method","parent":1,"scope":null},{"code":1,"name":"Marine Realms Information Bank (MRIB) keyword categories","parent":null,"scope":null}],"nt":[],"rt":[{"code":655,"name":"dendrochronology","parent":651,"scope":"analysis of the annual growth rings in a tree trunk to 1) date the tree and 2) establish a chronology of climatic events that affected the tree's rate of growth."}]}