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氮输入影响滨海湿地碳循环过程的模拟研究:进展与展望

陈雅文 韩广轩 蔡延江

陈雅文, 韩广轩, 蔡延江. 氮输入影响滨海湿地碳循环过程的模拟研究:进展与展望[J]. 浙江农林大学学报. doi: 10.11833/j.issn.2095-0756.20210118
引用本文: 陈雅文, 韩广轩, 蔡延江. 氮输入影响滨海湿地碳循环过程的模拟研究:进展与展望[J]. 浙江农林大学学报. doi: 10.11833/j.issn.2095-0756.20210118
CHEN Yawen, HAN Guangxuan, CAI Yanjiang. Simulation research on the effects of nitrogen input on carbon cycle process in a coastal wetland: review and prospects[J]. Journal of Zhejiang A&F University. doi: 10.11833/j.issn.2095-0756.20210118
Citation: CHEN Yawen, HAN Guangxuan, CAI Yanjiang. Simulation research on the effects of nitrogen input on carbon cycle process in a coastal wetland: review and prospects[J]. Journal of Zhejiang A&F University. doi: 10.11833/j.issn.2095-0756.20210118

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氮输入影响滨海湿地碳循环过程的模拟研究:进展与展望

doi: 10.11833/j.issn.2095-0756.20210118
基金项目: 国家自然科学基金资助项目(42071126);美丽中国项目(XDA23050202);中国科学院国际科学合作计划项目(121311KYSB20190029)
详细信息
    作者简介: 陈雅文(ORCID: 0000-0003-2071-9760),从事滨海湿地碳交换关键过程研究。E-mail: ywchen@yic.ac.cn
    通信作者: 韩广轩(ORCID: 0000-0003-2651-8599),研究员,博士,博士生导师,从事滨海湿地生态学、碳循环与碳收支、滨海湿地生态系统演变与生态修复等研究。E-mail: gxhan@yic.ac.cn
  • 中图分类号: S153

Simulation research on the effects of nitrogen input on carbon cycle process in a coastal wetland: review and prospects

  • 摘要: 滨海湿地碳循环是控制全球碳储量的关键过程之一,受近岸水体富营养化引起的氮输入影响显著。然而氮输入影响滨海湿地碳循环的过程复杂,利用碳循环模型是研究这些过程的有效手段,在全球气候变化下,评估滨海湿地碳储蓄功能具有重要意义。本研究介绍了滨海湿地碳组分在大气-植被-水体-土壤不同界面间的迁移和转化,总结了氮输入影响碳循环各阶段的规律,发现碳储蓄和碳通量对氮输入的响应受多个因素的共同作用。在此基础上,阐述了目前发展比较成熟且同时具有碳、氮、水相关模块的碳循环主流模型,以及模型为适应湿地而做出的改进及其在湿地的应用情况,为利用模型模拟氮输入影响滨海湿地生态系统碳循环的相关过程提供参考。探讨了将模型应用于湿地,应注意潮汐过程对氮输入影响等相关发展方向,同时就如何减少模型模拟的不准确性等问题展开讨论,对未来的研究方向提出展望。图1表1参126
  • 图  1  滨海湿地大气-植被-水体-土壤间的碳循环关键过程

    Figure  1  Key processe of carbon cycle among atmosphere, vegetation, water and soil in coastal wetlands

    表  1  碳循环模型的开发及其在氮输入影响中的应用

    Table  1.   Development and application in wetland of carbon cycle models

    模型名称模型类型模型概述建立年份时间步长适用范围应用案例
    Biome-BGC[85]过程模型(生物地球化学模型)模拟生态系统中植被、凋落物、土壤碳、氮、水的储量和通量,模拟木本植物、C3/C4草本植物的碳、氮、水的循环过程与交互影响19881 d常绿/落叶、针叶/阔叶林、C3/C4草本植物和灌木林,点位、区域和全球尺度增加了地下水、苔藓植被、土壤营养物质分解、土壤水分压力指数等作用机理的描述。应用于加拿大森林湿地、红壤丘陵区湿地、千烟洲人工湿地、中国南海湿地红树林等湿地生态系统净初级生产力(NPP)、生物量和土壤碳积累的模拟研究[86-89]
    CENTURY[90]过程模型(生物地球化学模型)基于土壤的结构功能,模拟碳、氮和磷的生物地球化学循环过程,同时结合气温、降水量等气候驱动因子,模拟生态系统生产力198830 d森林、草原生态系统通过调整厌氧参数,用于泥炭湿地碳动态模拟[91]
    DNDC[92]过程模型(生物地球化学模型)增加了苔藓及草本植物的生长参数,开发了地下水位动态变化、厌氧条件下土壤生物地球化学过程等算法[93]19921 d森林、农田、草地、湿地生态系统,点位和区域尺度最初建立用于描述农业生态系统,现可应用于水稻田、湿地、泥炭地等生态系统的碳氮循环研究[94-97]
    AVIM[98]过程耦合模型(大气-植被耦合模型)陆面物理-植被生理生态的有机耦合,包含植被-土壤-大气间热量和水分的交换以及植物光合-呼吸等CO2的交换,实现了大气和包括根圈在内的植物圈之间的动态相互作用19951 h森林、草地、农田、冰川、湿地、湖泊等生态系统添加土壤碳氮动态模块[99],再与其他模块相结合,已应用于研究湿地覆被类型对模拟结果的影响[100]
    TECO[101]过程模型(生物地球化学模型)具有与目前大多数生物地球化学模型相似的碳池结构和参数。经过改进和完善,可用于模拟陆地生态系统中的碳、氮和水文循环2008冠层光合作用和土壤水分动态子模型:1 h;植物生长和土壤碳转移子模型:1 d陆地生态系统调节植物和生态系统对CO2升高、变暖和降水变化的交互响应的关键过程,已应用于Duke森林应对CO2升高的固碳过程的若干研究中[102-103]以及SPRUCE泥炭地的碳动力和土壤动力学的研究中[104]
    PEATBOG[105]过程模型(生物地球化学模型)强调了土壤固、水、气相与植被之间的物质流动,土壤组分的高空间分辨率,对碳、氮通量的化学计量控制,以及对植被和土壤中碳、氮反应活性的持续概念化20131 d泥炭地碳氮耦合循环的模拟已应用于研究长期施氮对泥炭沼泽碳循环的影响分析,并模拟预测了未来80 a间各碳组分的动态趋势,以确定氮肥的潜在影响和影响模型行为的主要因素[106]
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出版历程
  • 收稿日期:  2021-01-18
  • 修回日期:  2021-05-28

氮输入影响滨海湿地碳循环过程的模拟研究:进展与展望

doi: 10.11833/j.issn.2095-0756.20210118
    基金项目:  国家自然科学基金资助项目(42071126);美丽中国项目(XDA23050202);中国科学院国际科学合作计划项目(121311KYSB20190029)
    作者简介:

    陈雅文(ORCID: 0000-0003-2071-9760),从事滨海湿地碳交换关键过程研究。E-mail: ywchen@yic.ac.cn

    通信作者: 韩广轩(ORCID: 0000-0003-2651-8599),研究员,博士,博士生导师,从事滨海湿地生态学、碳循环与碳收支、滨海湿地生态系统演变与生态修复等研究。E-mail: gxhan@yic.ac.cn
  • 中图分类号: S153

摘要: 滨海湿地碳循环是控制全球碳储量的关键过程之一,受近岸水体富营养化引起的氮输入影响显著。然而氮输入影响滨海湿地碳循环的过程复杂,利用碳循环模型是研究这些过程的有效手段,在全球气候变化下,评估滨海湿地碳储蓄功能具有重要意义。本研究介绍了滨海湿地碳组分在大气-植被-水体-土壤不同界面间的迁移和转化,总结了氮输入影响碳循环各阶段的规律,发现碳储蓄和碳通量对氮输入的响应受多个因素的共同作用。在此基础上,阐述了目前发展比较成熟且同时具有碳、氮、水相关模块的碳循环主流模型,以及模型为适应湿地而做出的改进及其在湿地的应用情况,为利用模型模拟氮输入影响滨海湿地生态系统碳循环的相关过程提供参考。探讨了将模型应用于湿地,应注意潮汐过程对氮输入影响等相关发展方向,同时就如何减少模型模拟的不准确性等问题展开讨论,对未来的研究方向提出展望。图1表1参126

English Abstract

陈雅文, 韩广轩, 蔡延江. 氮输入影响滨海湿地碳循环过程的模拟研究:进展与展望[J]. 浙江农林大学学报. doi: 10.11833/j.issn.2095-0756.20210118
引用本文: 陈雅文, 韩广轩, 蔡延江. 氮输入影响滨海湿地碳循环过程的模拟研究:进展与展望[J]. 浙江农林大学学报. doi: 10.11833/j.issn.2095-0756.20210118
CHEN Yawen, HAN Guangxuan, CAI Yanjiang. Simulation research on the effects of nitrogen input on carbon cycle process in a coastal wetland: review and prospects[J]. Journal of Zhejiang A&F University. doi: 10.11833/j.issn.2095-0756.20210118
Citation: CHEN Yawen, HAN Guangxuan, CAI Yanjiang. Simulation research on the effects of nitrogen input on carbon cycle process in a coastal wetland: review and prospects[J]. Journal of Zhejiang A&F University. doi: 10.11833/j.issn.2095-0756.20210118

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