青藏高原西部、南部和东北部边界地区天然水的水化学性质及其成因
田原,余成群,查欣洁,高星,于明寨

Hydrochemical characteristics and factors controlling of natural water in the western, southern, and northeastern border areas of the Qinghai-Tibet Plateau
TIAN Yuan,YU Chengqun,ZHA Xinjie,GAO Xing,YU Mingzhai
图7 青藏高原不同边界地区天然水水样中硝酸盐浓度的箱形图
Fig. 7 Box and whisker plot of natural water nitrate concentrations in different border areas of QT