Spatial variation characteristics and environmental significance in different water bodies, Lijiang, China

Different water samples were collected in the Yulong Snow Mountain in Lijiang city, Yunnan Province from July 22 to July 28 in 2005. Characteristics of soluble ions had been analyzed to study the intrinsic mechanism of human-geosphere-atmosphere-hydrosphere in the study area. The results showed us obvious differences of soluble ion in these different water bodies, Lake water and groundwater in low altitude have larger concentration of soluble ions and the glacier melting water and melt water runoff in high altitude have lower concentration. The major soluble ions are HCO₃^-, Ca²⁺, Mg²⁺, SO₄^2-, Na⁺, K⁺ and Cl^-; The concentration of soluble ions of altitude higher than 4270m showed high level under the influence of local lithology. Because of Sedimentation of melt water and no fully dissolve the ions which from local lithology, 4270-3180m were showed low level; HCO₃^-, Mg²⁺, Ca²+, K⁺ and Na⁺ showed high level in under the influence of the content of soluble mineral in 3046-2400m. NO₃^-, SO₄^2-, K⁺ was showed high concentration because of monsoon transport and human active.