白洋淀流域地下水更新速率
袁瑞强, 龙西亭, 王鹏, 王仕琴, 宋献方

Renewal rate of groundwater in the Baiyangdian Lake Basin
Ruiqiang YUAN, Xiting LONG, Peng WANG, Shiqin WANG, Xianfang SONG
图5 保定降水氚含量的估计数据(Ottawa站数据来自IAEA网站:http://nds121.iaea.org/wiser/index.php)
Fig.5 Calculated annual content of tritium in precipitation of Baoding (data of Ottawa from IAEA website: http://nds121.iaea.org/wiser/index.php)