Evolution Characteristics of Surface Water Quality Due to Climate Change and LUCC under Scenario Simulations: A Case Study in the Luanhe River Basin

机译：情景模拟下气候变化和LUCC引起的地表水水质演变特征-以the河流域为例

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摘要

It is of great significance to study the effects and mechanisms of the key driving forces of surface water quality deterioration—climate change and LUCC (land use and land cover change). The Luanhe River Basin (LRB) in north-eastern China was examined for qualitatively and quantitatively assessing the responses of total nitrogen (TN) and total phosphorus (TP) loads on different climate scenarios and LUCC scenarios. The results show that from 1963 to 2017, the TN and TP loads basically presented a negative correlation with the temperature change (except for winter), while showing a significant positive correlation with the precipitation change. The incidence of TN pollution is sensitive to temperature increase. From 2020 to 2050, the annual average loads of TN and TP were slightly lower than from 1963 to 2017. The contribution of rising temperature was more significant on nutrient loads. Also, the incidence of TN pollution is sensitive to the future climate change. Under LUCC scenarios, the TN and TP loads and pollution incidence increased correspondingly with the decrease of natural land. The evolution characteristics analysis can provide support for the effect and adaptation-strategies study of climate change and LUCC on surface water quality.

机译：研究地表水水质恶化的关键驱动力的作用和机理-气候变化和LUCC（土地利用和土地覆盖变化）具有重要意义。对中国东北的he河流域（LRB）进行了定性和定量评估，以评估不同气候情景和LUCC情景下总氮（TN）和总磷（TP）的响应。结果表明，从1963年到2017年，TN和TP负荷基本上与温度变化呈负相关（冬季除外），而与降水变化呈显着正相关。 TN污染的发生对温度升高很敏感。从2020年到2050年，TN和TP的年均负荷量略低于1963年至2017年。温度升高对养分负荷的贡献更大。另外，TN污染的发生对未来的气候变化很敏感。在LUCC情景下，TN和TP负荷以及污染发生率随着自然土地的减少而相应增加。演变特征分析可以为气候变化和土地利用变化对地表水水质的影响和适应策略研究提供支持。

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期刊名称 International Journal of Environmental Research and Public Health
作者
Wuxia Bi; Baisha Weng; Zhe Yuan; Mao Ye; Cheng Zhang; Yu Zhao; Dengming Yan; Ting Xu;
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作者单位

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年(卷),期 2018(15),8
年度 2018
页码 1724
总页数 18
原文格式 PDF
正文语种
中图分类公共卫生工程;
关键词
surface water quality climate change LUCC model simulation Luanhe River Basin (LRB);

机译：地表水水质;气候变化;LUCC;模型模拟;Lu河流域（LRB）;

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6. Evolution of Drought–Flood Abrupt Alternation and Its Impacts on Surface Water Quality from 2020 to 2050 in the Luanhe River Basin [O] . Wuxia Bi, Baisha Weng, Zhe Yuan, 2019

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Evolution Characteristics of Surface Water Quality Due to Climate Change and LUCC under Scenario Simulations: A Case Study in the Luanhe River Basin

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