乌梁素海湖泊冰生长过程中总氮的迁移规律

张岩; 李畅游; SHEN Hung Tao; 史小红; 乔玲敏

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乌梁素海湖泊冰生长过程中总氮的迁移规律

张岩, 李畅游, SHEN Hung Tao, 史小红, 乔玲敏

文章导航 > 水科学进展 > 2013 > 24(5): 728-735

张岩, 李畅游, SHEN Hung Tao, 史小红, 乔玲敏. 乌梁素海湖泊冰生长过程中总氮的迁移规律[J]. 水科学进展, 2013, 24(5): 728-735.

引用本文:

张岩, 李畅游, SHEN Hung Tao, 史小红, 乔玲敏. 乌梁素海湖泊冰生长过程中总氮的迁移规律[J]. 水科学进展, 2013, 24(5): 728-735.

ZHANG Yan, LI Changyou, SHEN Hung Tao, SHI Xiaohong, QIAO Lingmin. Total nitrogen migration in Wuliangsuhai Lake during ice growth process[J]. Advances in Water Science, 2013, 24(5): 728-735.

Citation:

ZHANG Yan, LI Changyou, SHEN Hung Tao, SHI Xiaohong, QIAO Lingmin. Total nitrogen migration in Wuliangsuhai Lake during ice growth process[J]. Advances in Water Science, 2013, 24(5): 728-735.

乌梁素海湖泊冰生长过程中总氮的迁移规律

1.
烟台大学土木工程学院, 山东烟台 264005;
2.
内蒙古农业大学水利与土木建筑工程学院, 内蒙古呼和浩特 010018;
3.
Department of Civil and Environmental Engineering, Clarkson University, PotsdamNew York 13699-5710, USA

基金项目: 国家自然科学基金资助项目(50969005;40901262)

详细信息

作者简介:
张岩(1984- ),男,山东平度人,博士,主要从事水资源保护和水污染控制方面研究。E-mail:zhangyan@ytu.edu.cn

中图分类号: X524

Total nitrogen migration in Wuliangsuhai Lake during ice growth process

1.
Civil Engineering College, Yantai University, Yantai 264005, China;
2.
Water Conservancy and Civil Engineering College, Inner Mongolia Agricultural University, Huhhot 010018, China;
3.
Department of Civil and Environmental Engineering, Clarkson University, Potsdam 13699-5710, USA

Funds: The study is financially supported by the National Natural Science Foundation of China (No.50969005; No.40901262).

摘要: 为研究湖泊冰封期总氮的污染特征,测定了冰厚分别为0 cm、2.5 cm、9.5 cm、21 cm、31 cm、41 cm、50 cm和 59 cm时总氮在冰体和水体中的垂向分布,阐明湖泊冰生长过程中总氮在冰-水-沉积物体系的迁移规律。结果表明:冰生长过程中总氮由冰体向冰下水体迁移,水体的总氮含量随着冰厚的增加而升高,冰厚为59 cm时其含量为冰体的2.85倍,冰生长速率决定总氮在冰-水界面处的迁移通量;总氮在冰层内的迁移主要发生在冰体形成初期(0~21 cm),之后几乎不再迁移而与冰内气泡融合并转化为独立于冰体的稳定氮胞;冰下水体总氮的实测值小于其计算值,表明冰生长过程中总氮由水体向沉积物迁移。
- 总氮 /
- 迁移规律 /
- 冰生长速率 /
- 冰生长过程 /
- 乌梁素海湖泊
Abstract: To study the characteristics of total nitrogen (TN) during the period of lake ice freeze-up, vertical measurements of TN are made at ice thicknesses of 0 cm, 2.5 cm, 9.5 cm, 21 cm, 31 cm, 41cm, 50 cm and 59 cm. The regularity of TN migration in Wuliangsuhai Lake during ice growth process is examined. Results show that TN migrates from ice to water during the whole growth period of ice, which gives a rise of TN in under-ice water as the ice is getting thicker. TN of water is 2.85 times more than that of ice at an ice thickness of 59 cm. The rate of ice growth determines the flux of TN migration between ice and water. Within the ice layer, the TN migration mostly occurs during the initial stage of ice formation (0-21cm), and then TN is transformed into the steady nitrogen cell with bubbles in ice. The difference in measured and calculated TN in under-ice water indicates that TN still migrates from lake water to sediment during ice growth process. The study provides a reference for controlling eutrophication pollution during the period of lake ice freeze-up.
- total nitrogen /
- migration law /
- rate of ice growth /
- ice growth process /
- Wuliangsuhai Lake

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乌梁素海湖泊冰生长过程中总氮的迁移规律

1. 烟台大学土木工程学院, 山东烟台 264005;

2. 内蒙古农业大学水利与土木建筑工程学院, 内蒙古呼和浩特 010018;

3. Department of Civil and Environmental Engineering, Clarkson University, PotsdamNew York 13699-5710, USA

基金项目: 国家自然科学基金资助项目(50969005;40901262)

作者简介:
张岩(1984- ),男,山东平度人,博士,主要从事水资源保护和水污染控制方面研究。E-mail:zhangyan@ytu.edu.cn

收稿日期: 2013-01-09
刊出日期: 2013-09-27

中图分类号: X524

关键词:

总氮 /

摘要: 为研究湖泊冰封期总氮的污染特征,测定了冰厚分别为0 cm、2.5 cm、9.5 cm、21 cm、31 cm、41 cm、50 cm和 59 cm时总氮在冰体和水体中的垂向分布,阐明湖泊冰生长过程中总氮在冰-水-沉积物体系的迁移规律。结果表明:冰生长过程中总氮由冰体向冰下水体迁移,水体的总氮含量随着冰厚的增加而升高,冰厚为59 cm时其含量为冰体的2.85倍,冰生长速率决定总氮在冰-水界面处的迁移通量;总氮在冰层内的迁移主要发生在冰体形成初期(0~21 cm),之后几乎不再迁移而与冰内气泡融合并转化为独立于冰体的稳定氮胞;冰下水体总氮的实测值小于其计算值,表明冰生长过程中总氮由水体向沉积物迁移。

English Abstract

Total nitrogen migration in Wuliangsuhai Lake during ice growth process

1. Civil Engineering College, Yantai University, Yantai 264005, China;

2. Water Conservancy and Civil Engineering College, Inner Mongolia Agricultural University, Huhhot 010018, China;

3. Department of Civil and Environmental Engineering, Clarkson University, Potsdam 13699-5710, USA

Funds: The study is financially supported by the National Natural Science Foundation of China (No.50969005; No.40901262).

Received Date: 2013-01-09
Publish Date: 2013-09-27

Keywords:

Abstract: To study the characteristics of total nitrogen (TN) during the period of lake ice freeze-up, vertical measurements of TN are made at ice thicknesses of 0 cm, 2.5 cm, 9.5 cm, 21 cm, 31 cm, 41cm, 50 cm and 59 cm. The regularity of TN migration in Wuliangsuhai Lake during ice growth process is examined. Results show that TN migrates from ice to water during the whole growth period of ice, which gives a rise of TN in under-ice water as the ice is getting thicker. TN of water is 2.85 times more than that of ice at an ice thickness of 59 cm. The rate of ice growth determines the flux of TN migration between ice and water. Within the ice layer, the TN migration mostly occurs during the initial stage of ice formation (0-21cm), and then TN is transformed into the steady nitrogen cell with bubbles in ice. The difference in measured and calculated TN in under-ice water indicates that TN still migrates from lake water to sediment during ice growth process. The study provides a reference for controlling eutrophication pollution during the period of lake ice freeze-up.

张岩, 李畅游, SHEN Hung Tao, 史小红, 乔玲敏. 乌梁素海湖泊冰生长过程中总氮的迁移规律[J]. 水科学进展, 2013, 24(5): 728-735.

引用本文:

张岩, 李畅游, SHEN Hung Tao, 史小红, 乔玲敏. 乌梁素海湖泊冰生长过程中总氮的迁移规律[J]. 水科学进展, 2013, 24(5): 728-735.

ZHANG Yan, LI Changyou, SHEN Hung Tao, SHI Xiaohong, QIAO Lingmin. Total nitrogen migration in Wuliangsuhai Lake during ice growth process[J]. Advances in Water Science, 2013, 24(5): 728-735.

Citation:

ZHANG Yan, LI Changyou, SHEN Hung Tao, SHI Xiaohong, QIAO Lingmin. Total nitrogen migration in Wuliangsuhai Lake during ice growth process[J]. Advances in Water Science, 2013, 24(5): 728-735.

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乌梁素海湖泊冰生长过程中总氮的迁移规律

作者简介: 张岩(1984- ),男,山东平度人,博士,主要从事水资源保护和水污染控制方面研究。E-mail:zhangyan@ytu.edu.cn

Total nitrogen migration in Wuliangsuhai Lake during ice growth process

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乌梁素海湖泊冰生长过程中总氮的迁移规律

1. 烟台大学土木工程学院, 山东烟台 264005; 2. 内蒙古农业大学水利与土木建筑工程学院, 内蒙古呼和浩特 010018; 3. Department of Civil and Environmental Engineering, Clarkson University, PotsdamNew York 13699-5710, USA

作者简介: 张岩(1984- ),男,山东平度人,博士,主要从事水资源保护和水污染控制方面研究。E-mail:zhangyan@ytu.edu.cn

English Abstract

Total nitrogen migration in Wuliangsuhai Lake during ice growth process

1. Civil Engineering College, Yantai University, Yantai 264005, China; 2. Water Conservancy and Civil Engineering College, Inner Mongolia Agricultural University, Huhhot 010018, China; 3. Department of Civil and Environmental Engineering, Clarkson University, Potsdam 13699-5710, USA

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作者简介:
张岩(1984- ),男,山东平度人,博士,主要从事水资源保护和水污染控制方面研究。E-mail:zhangyan@ytu.edu.cn

1. 烟台大学土木工程学院, 山东烟台 264005;

2. 内蒙古农业大学水利与土木建筑工程学院, 内蒙古呼和浩特 010018;

3. Department of Civil and Environmental Engineering, Clarkson University, PotsdamNew York 13699-5710, USA

作者简介:
张岩(1984- ),男,山东平度人,博士,主要从事水资源保护和水污染控制方面研究。E-mail:zhangyan@ytu.edu.cn

1. Civil Engineering College, Yantai University, Yantai 264005, China;

2. Water Conservancy and Civil Engineering College, Inner Mongolia Agricultural University, Huhhot 010018, China;

3. Department of Civil and Environmental Engineering, Clarkson University, Potsdam 13699-5710, USA