汉江上游水体沉积物污染状况分析与评价

杨婵, 吴娟娟, 车旭曦, 岳思羽, 刘智峰, 宋凤敏

Pollution analysis and assessment of sediments in the upper reaches of the Hanjiang River

YANG Chan, WU Juan-Juan, CHE Xu-Xi, YUE Si-Yu, LIU Zhi-Feng, SONG Feng-Min

表4 沉积物的理化性质

Table 4 Physical and chemical properties of sediments

样点 pH 总磷TP/ 10-3 铵态氮NH3-N/ 10-6 S1 7.24 0.28 2.38 S2 7.42 0.24 1.93 S3 7.50 0.25 2.10 S4 6.93 0.91 0.96 S5 7.66 0.25 2.16 S6 7.53 0.24 1.54 S7 7.39 0.25 2.89 S8 6.78 0.25 3.03 S9 7.60 0.90 1.51 S10 7.49 0.74 1.56 S11 7.35 1.44 2.24 S12 6.99 0.31 1.63 S13 7.85 0.59 0.82 S14 7.23 0.25 0.02 S15 7.22 0.67 1.11 S16 7.26 0.25 2.21 S17 7.35 0.29 1.73 均值 7.34 0.48 1.75