Tanana River Yearly Ice Break Up Observed at Nenana, AK (1917 - Present)

This is a Yearly observation of when the ice on the Tanana River breaks up.
This data is hosted originally by the National snow and ice data enter(http://nsidc.org/). The data is located at http://nsidc.org/data/docs/daac/nsidc0064_nenana.gd.html.

本数据集为塔纳纳河（Tanana River）河道冰面消融解冻时间的年度观测记录。该数据集最初由国家冰雪数据中心（National Snow and Ice Data Center，NSIDC）托管，其官方网站为 http://nsidc.org，数据集详情访问地址为 http://nsidc.org/data/docs/daac/nsidc0064_nenana.gd.html。