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首页> 外文会议>Status and perspectives of hydrology in small basins >Trend assessment of deposition, throughfall and runoff water chemistry at the ICP-IM station Kosetice, Czech Republic
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Trend assessment of deposition, throughfall and runoff water chemistry at the ICP-IM station Kosetice, Czech Republic

机译：捷克共和国ICP-IM站Kosetice的沉积，贯通和径流水化学趋势评估

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摘要

Long-term monitoring and research activities in a small forested catchment are a part of the integrated monitoring programme of Kosetice Observatory (Czech Hydrometeorological Institute). The Observatory was established as a station specializing in problems of regional environmental quality in 1988 and is involved in several long-term international programmes (ICP-IM, EMEP, GAW, EUSAAR). The results show that reducing sulphur emissions in the Czech Republic has entailed a decrease in the background sulphur deposition. A distinct reduction of sulphur input was reflected in the sulphur balance of the catchment. In the beginning of the 1990s retention predominated, but since 2000 leaching has been found. The level of pH in precipitation water increased continuously during the period 1990-2003. The upward tendency was stopped after 2003. In the rest of the period under review the pH values varied between 4.5 and 5 and the differences between measurements in open areas and under the canopy were smaller.
机译：在一个小森林流域的长期监测和研究活动是科塞蒂斯天文台（捷克水文气象研究所）综合监测计划的一部分。天文台成立于1988年，专门研究区域环境质量问题，并参与了多个长期国际计划（ICP-IM，EMEP，GAW和EUSAAR）。结果表明，减少捷克共和国的硫排放量会减少背景硫的沉积。流域的硫平衡反映了硫输入的明显减少。在1990年代初，保留率占优势，但从2000年起发现了浸出。在1990-2003年期间，沉淀水中的pH值持续增加。 2003年以后停止了上升趋势。在本报告所述期间的其余时间内，pH值在4.5到5之间变化，并且在开放区域和树冠下的测量值之间的差异较小。

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