鲁西南黄河冲积平原地下水氟碘特征及成因分析

doi:10.19741/j.issn.1673-4831.2019.0274

摘要/Abstract

摘要： 为探明鲁西南黄河冲积平原地下水氟碘化合物浓度、地理分布及其成因，在鲁西南黄河冲积平原的主要核心区域菏泽市境内采集208个水样进行分析。结果表明，该地区深层地下水样品氟化物含量全部超过GB/T 14848-2017《地下水质量标准》中Ⅲ类标准限值1.0 mg·L^-1，浅层地下水样品有60.3%超标。61.8%的深层地下水和56.3%的浅层地下水样品碘化物浓度高于世界卫生组织（WHO）的推荐标准值（≤ 0.15 mg·L^-1）。井深对地下水氟化物、碘化物浓度影响明显，其中浅井水氟化物浓度随水层深度的增加而增大，碘化物严重超标率随水层深度的增加而下降，且严重超标的水层主要集中在30 m以内，深井水氟化物、碘化物超标严重的水层则集中在400 m以下。

关键词: 鲁西南, 氟碘特征, 地下水, 成因

Abstract: 208 groundwater samples were collected within Heze, the key representative region in the Yellow River alluvial plain over the southwest of Shandong Province, to investigate the compound concentration, geographical distribution and physical causes of groundwater fluoride and iodide. Results of the analyses show that the fluoride concentrations for all the deep groundwater samples exceed the threshold limit of class Ⅲ (1.0 mg·L^-1) of "Standard for Groundwater Quality" (GB/T 14848-2017), and 60.3% of the shallow groundwater samples exceed the threshold limit of fluoride concentration. Moreover, 61.8% and 56.3% of the deep and shallow groundwater samples, respectively, exceed the recommended standard value of iodide concentration (≤ 0.15 mg·L^-1) derived from World Health Organization. In addition, well depth plays a significant role on the fluoride and iodide concentrations. In shallow well, fluoride concentration increased with the increase of water depth, while the severe over-standard rate of iodide concentration declined with the increase of water depth, and the water samples that were seriously exceeding the standard value mainly concentrated within 30 m of water depth. In deep well, the water samples with the fluoride and iodide concentrations seriously exceeding the standard value were principally concentrated below 400 m of water depth.

Key words: southwest of Shandong Province, characteristics of fluoride and iodide, groundwater, forming cause

中图分类号:

X826

徐雄, 肖培平, 孙艳亭, 李敏, 董应尚, 高尚赞, 刘文信. 鲁西南黄河冲积平原地下水氟碘特征及成因分析[J]. 生态与农村环境学报, 2020, 36(2): 186-192.

XU Xiong, XIAO Pei-ping, SUN Yan-ting, LI Min, DONG Ying-shang, GAO Shang-zan, LIU Wen-xin. Study on the Characteristics and Physical Causes of Groundwater Fluoride and Iodide Over the Yellow River Alluvial Plain in the Southwest of Shandong Province[J]. Journal of Ecology and Rural Environment, 2020, 36(2): 186-192.

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