气候变暖对湖泊热力及溶解氧分层影响研究进展

张运林

doi:10.14042/j.cnki.32.1309.2015.01.017

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气候变暖对湖泊热力及溶解氧分层影响研究进展

张运林

文章导航 > 水科学进展 > 2015 > 26(1): 130-139

张运林. 气候变暖对湖泊热力及溶解氧分层影响研究进展[J]. 水科学进展, 2015, 26(1): 130-139. doi: 10.14042/j.cnki.32.1309.2015.01.017

引用本文:

张运林. 气候变暖对湖泊热力及溶解氧分层影响研究进展[J]. 水科学进展, 2015, 26(1): 130-139. doi: 10.14042/j.cnki.32.1309.2015.01.017

ZHANG Yunlin. Effect of climate warming on lake thermal and dissolved oxygen stratifications: A review[J]. Advances in Water Science, 2015, 26(1): 130-139. doi: 10.14042/j.cnki.32.1309.2015.01.017

Citation:

ZHANG Yunlin. Effect of climate warming on lake thermal and dissolved oxygen stratifications: A review[J]. Advances in Water Science, 2015, 26(1): 130-139. doi: 10.14042/j.cnki.32.1309.2015.01.017

气候变暖对湖泊热力及溶解氧分层影响研究进展

doi: 10.14042/j.cnki.32.1309.2015.01.017

张运林

中国科学院南京地理与湖泊研究所湖泊与环境国家重点实验室, 江苏南京 210008

基金项目: 中国科学院南京地理与湖泊研究所"一三五"重点布局项目(NIGLAS2012135003);国家自然科学基金资助项目(41325001)

详细信息

作者简介:
张运林(1976-),男,湖南邵阳人,研究员,博士,主要从事物理湖泊学与水色遥感研究。E-mail: ylzhang@niglas.ac.cn

中图分类号: P343.3;G353.11

Effect of climate warming on lake thermal and dissolved oxygen stratifications: A review

ZHANG Yunlin

State Key Laboratory of Lake Science and Environment, Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing 210008, China

Funds: The study is financially supported by the Key Program of Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences (No.NIGLAS2012135003) and the National Natural Science Foundation of China(No.41325001).

摘要: 气候变暖对湖泊物理、化学、生物和生态系统有着复杂而深刻的直接和间接影响,而具体影响随研究区域和水体表现不尽相同。气候变暖通过改变湖泊热力和溶解氧分层进而影响湖泊生物过程和生态系统结构与功能。从全球湖泊变暖趋势、长期缓慢气温上升、极端高温事件以及气候情景模拟等方面详细综述了气候变暖对湖泊热力及溶解氧分层影响的研究进展。研究表明,全球不同区域湖泊均存在不同程度的变暖趋势;长期缓慢气温上升和短期极端高温均会造成湖泊热力分层提前,分层结束推迟,分层时间延长,混合层和温跃层深度下降,以及热稳定性增加;相伴随的是溶解氧扩散深度和氧跃层深度明显下降,加剧了湖泊底部好氧和厌氧环境。除了这种直接影响外,气候变暖引起的流域降水、入湖物质的变化以及风速的变化也会对湖泊热力和溶解氧分层产生许多间接的影响,因此未来仍然需要更多的实验证据、经验和数值模型来验证和预测气候变暖对湖泊热力及溶解氧分层的影响。
- 气候变暖 /
- 热力分层 /
- 热稳定性 /
- 溶解氧分层 /
- 极端高温
Abstract: Climate warming has many complex, profound direct and indirect effects on lake physical, chemical, biological processes, and ecosystem. Overall, the response of individual lake to climate change can be very different and shows a great regional difference. Climate warming alters lake thermal and dissolved oxygen stratifications to further affect lake biological processes, and the structure and function of lake ecosystem. This study detailedly reviews the study progresses of this field including lake warming trend, the effects of the long-term slowly rising air temperatures and the extreme heat wave on lake thermal and dissolved oxygen stratifications, and the projected climate scenarios. Many studies show the lake warming with the different slopes is recorded for the globally different regions lakes. The long-term slowly rising air temperatures and the extreme heat wave will result in the earlier onset of stratification, the late mixing and an increase in the length of the thermal stratification duration. In addition, lake warming will cause the descreases of mixing depth and thermocline depth, and the increase of lake thermal stability. Correspondingly, the diffusion depth of dissolved oxygen and oxycline depth significantly decrease, which will aggravate the hypoxic and anoxic environment of lake bottom. In addition, climate warming has some indirect effects on lake thermal and dissolved oxygen stratifications through changing the rainfall, input substances of the catchment, and wind speed. Therefore, much work is needed in many research areas including experimental data evidence, empirical and numerical model to validate and predict the potential effects of climate warming on lake thermal and dissolved oxygen stratifications.
- climate warming /
- thermal stratification /
- thermal stability /
- dissolved oxygen stratification /
- heat wave

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气候变暖对湖泊热力及溶解氧分层影响研究进展

doi: 10.14042/j.cnki.32.1309.2015.01.017

张运林

中国科学院南京地理与湖泊研究所湖泊与环境国家重点实验室, 江苏南京 210008

基金项目: 中国科学院南京地理与湖泊研究所"一三五"重点布局项目(NIGLAS2012135003);国家自然科学基金资助项目(41325001)

作者简介:
张运林(1976-),男,湖南邵阳人,研究员,博士,主要从事物理湖泊学与水色遥感研究。E-mail: ylzhang@niglas.ac.cn

收稿日期: 2014-07-01
刊出日期: 2015-01-25

中图分类号: P343.3;G353.11

关键词:

摘要: 气候变暖对湖泊物理、化学、生物和生态系统有着复杂而深刻的直接和间接影响,而具体影响随研究区域和水体表现不尽相同。气候变暖通过改变湖泊热力和溶解氧分层进而影响湖泊生物过程和生态系统结构与功能。从全球湖泊变暖趋势、长期缓慢气温上升、极端高温事件以及气候情景模拟等方面详细综述了气候变暖对湖泊热力及溶解氧分层影响的研究进展。研究表明,全球不同区域湖泊均存在不同程度的变暖趋势;长期缓慢气温上升和短期极端高温均会造成湖泊热力分层提前,分层结束推迟,分层时间延长,混合层和温跃层深度下降,以及热稳定性增加;相伴随的是溶解氧扩散深度和氧跃层深度明显下降,加剧了湖泊底部好氧和厌氧环境。除了这种直接影响外,气候变暖引起的流域降水、入湖物质的变化以及风速的变化也会对湖泊热力和溶解氧分层产生许多间接的影响,因此未来仍然需要更多的实验证据、经验和数值模型来验证和预测气候变暖对湖泊热力及溶解氧分层的影响。

English Abstract

Effect of climate warming on lake thermal and dissolved oxygen stratifications: A review

ZHANG Yunlin

State Key Laboratory of Lake Science and Environment, Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing 210008, China

Received Date: 2014-07-01
Publish Date: 2015-01-25

Keywords:

Abstract: Climate warming has many complex, profound direct and indirect effects on lake physical, chemical, biological processes, and ecosystem. Overall, the response of individual lake to climate change can be very different and shows a great regional difference. Climate warming alters lake thermal and dissolved oxygen stratifications to further affect lake biological processes, and the structure and function of lake ecosystem. This study detailedly reviews the study progresses of this field including lake warming trend, the effects of the long-term slowly rising air temperatures and the extreme heat wave on lake thermal and dissolved oxygen stratifications, and the projected climate scenarios. Many studies show the lake warming with the different slopes is recorded for the globally different regions lakes. The long-term slowly rising air temperatures and the extreme heat wave will result in the earlier onset of stratification, the late mixing and an increase in the length of the thermal stratification duration. In addition, lake warming will cause the descreases of mixing depth and thermocline depth, and the increase of lake thermal stability. Correspondingly, the diffusion depth of dissolved oxygen and oxycline depth significantly decrease, which will aggravate the hypoxic and anoxic environment of lake bottom. In addition, climate warming has some indirect effects on lake thermal and dissolved oxygen stratifications through changing the rainfall, input substances of the catchment, and wind speed. Therefore, much work is needed in many research areas including experimental data evidence, empirical and numerical model to validate and predict the potential effects of climate warming on lake thermal and dissolved oxygen stratifications.

张运林. 气候变暖对湖泊热力及溶解氧分层影响研究进展[J]. 水科学进展, 2015, 26(1): 130-139. doi: 10.14042/j.cnki.32.1309.2015.01.017

引用本文:

张运林. 气候变暖对湖泊热力及溶解氧分层影响研究进展[J]. 水科学进展, 2015, 26(1): 130-139. doi: 10.14042/j.cnki.32.1309.2015.01.017

ZHANG Yunlin. Effect of climate warming on lake thermal and dissolved oxygen stratifications: A review[J]. Advances in Water Science, 2015, 26(1): 130-139. doi: 10.14042/j.cnki.32.1309.2015.01.017

Citation:

ZHANG Yunlin. Effect of climate warming on lake thermal and dissolved oxygen stratifications: A review[J]. Advances in Water Science, 2015, 26(1): 130-139. doi: 10.14042/j.cnki.32.1309.2015.01.017