NOAA/WDS Paleoclimatology - Holmes - St. John Mountain - PIPO - ITRDB CA082
收藏NOAA National Centers for Environmental Information2002-01-01 更新2026-04-23 收录
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https://www.ncei.noaa.gov/metadata/geoportal/rest/metadata/item/noaa-tree-3554/html
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资源简介：
Tree ring data from the International Tree Ring Data Bank and World Data Center for Paleoclimatology archives. Most data sets include raw treering measurements (most are annual ring width, with some collections of earlywood or latewood width or wood density), plus chronologies (standardized growth indices for a site compiled from multiple treering samples). Reconstructions of climate variables are included with some of these data sets. Each data type is stored in a separate data file; the data type is coded into the file name. For details please see: http://www.ncdc.noaa.gov/paleo/treeinfo.htmll
本数据集采自国际树木年轮数据银行（International Tree Ring Data Bank）及世界古气候学数据中心（World Data Center for Paleoclimatology）的档案库。多数数据集包含原始树木年轮测量数据：绝大多数为逐年年轮宽度，另有部分采集项涵盖早材宽度、晚材宽度或木材密度；同时还附带年表——即由多组树木年轮样本整合得到的站点标准化生长指数。部分此类数据集包含气候变量重建结果。各类数据均存储于独立的数据文件中，数据类型编码内嵌于文件名。详细说明请参阅：http://www.ncdc.noaa.gov/paleo/treeinfo.htmll
创建时间：
2002-01-01
