研究论文
梁涛,陶澍,刘广君,何鸿波.伊春河河水水溶性腐殖酸内源释放模型[J].环境科学学报,1997,17(2):136-140
伊春河河水水溶性腐殖酸内源释放模型
- AUTOCHTHONOUS RELEASE MODELLING OF DISSOLVED HUMIC SUBSTANCES IN YICHUN RIVER
- 基金项目：国家杰出青年基金, 国家自然科学基金
- 作者
- 单位
- 梁涛
- 北京大学城市与环境学系, 北京 100871
- 陶澍
- 北京大学城市与环境学系, 北京 100871
- 刘广君
- 伊春市环境监测站, 伊春 152300
- 何鸿波
- 伊春市环境监测站, 伊春 152300
- 摘要：以水溶性腐殖酸含量很高的伊春河为例，利用冬季冰封无外源输入的条件，在有关室内模拟研究的基础上，通过现场采样及测定，建立了伊春河河水水溶性腐殖酸的内源释放模型。根据同期采集样品进行的验证表明，该模型能够准确地反映河流沉积物中水溶性腐殖酸向河水中释放的速率以及该速率与流速等条件的定量关系.
- Abstract：The autochthonous release of dissolved humic substances was modelled for Yichun River during winter when allochthonous inputs were totally cut off. The model was developed based on the results of laboratory simulation experiments using sediment samples from the same river. Data on concentrations of humic substances, river channel formation, sediment properties, and flow rate collected in the field were employed for parameter identification and model verification. The effect of flow velocity on the release kinetics was discussed as well.
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