松嫩平原土壤盐碱化地表基质成因研究
马敏, 左震, 韩燕东, 邱野, 乔牡冬

Origin of surface substrate for soil salinization and alkalization in the Songnen Plain
MA Min, ZUO Zhen, HAN Yandong, QIU Ye, QIAO Mudong
图7 地表水和地下水盐分离子Gibbs图
Fig.7 Gibbs diagram of the surface and underground water