Land use and water management effects on soil N2O emissions in the Hai He river basin, China

中国海河流域土地利用和水资源管理对土壤氧化亚氮排放的影响

• 批准号: 188033281
• 负责人: Professor Dr. Klaus Butterbach-Bahl
• 金额: --
• 依托单位: Universitätsrechenzentrum
• 依托单位国家: 德国
• 项目类别: Research Grants
• 财政年份: 2011
• 资助国家: 德国
• 起止时间: 2010-12-31 至 2015-12-31
• 项目状态: 已结题
• 来源: https://gepris.dfg.de/gepris/projekt/188033281?language=en
• 关键词: Land; use; water; management; effects

The project aims at the quantification of impacts of on-going and projected changes in land use (LU), management and environmental conditions on the dynamic exchange of carbon and nitrogen (C & N) components between the terrestrial ecosystem, atmosphere and hydrosphere. Model development will be based on the quantification of spatial variability of N2O (as well as CH4 and CO2) fluxes at field scale obtained from eddy covariance (EC) quantum cascade laser (QCL) and static chamber measurements. Assessment of impacts of LU and management on exchange processes will be obtained by analyzing long-term retrospective as well as prognostic model runs for past, present and future conditions. For quantification of greenhouse gas (GHG) emissions and N-leaching on landscape scale, impacts of regional hydrology processes (e.g. water table dynamics and nutrient dispersion by/ with irrigation) on the biogeochemical cycling of C & N have to be accounted for. To address this complexity, we will couple Mobile2D (the regional version of MOBILE-DNDC) with a regional hydrological model. Mobile2D as well as the coupled system will be used to assess the impact of changes in predicted LU/ management and climate conditions on C & N stocks, the net GHG exchange (NGE), water availability and quality (N-leaching). Simulations driven by a GIS database holding information on LU, soil & vegetation properties and climate will create GHG inventories and sources strengths assessments on field and regional (Hal He basin) scales for a series of actual and potential cropping systems under different development pathways, management practices and climate change scenarios.

该项目的目的是量化土地利用、管理和环境条件方面正在发生和预计发生的变化对陆地生态系统、大气和水圈之间碳和氮成分动态交换的影响。模型开发将基于从涡度协方差（EC）量子级联激光（QCL）和静态室测量获得的现场尺度的N2 O（以及CH 4和CO2）通量的空间变异性的量化。LU和管理对交换过程的影响的评估将通过分析长期回顾以及预测模型运行的过去，现在和未来的条件。为了量化景观尺度上的温室气体（GHG）排放和氮素淋溶，必须考虑区域水文过程（如地下水位动态和灌溉引起的养分扩散）对C & N生态地球化学循环的影响。为了解决这一复杂性，我们将Mobile 2D（MOBILE-DNDC的区域版本）与区域水文模型相结合。Mobile 2D以及耦合系统将用于评估预测的LU/管理和气候条件变化对C & N库存，净温室气体交换（NGE），水可用性和质量（N-沥滤）的影响。由GIS数据库驱动的模拟将在不同的发展途径、管理实践和气候变化情景下，为一系列实际和潜在的种植系统创建温室气体清单和田间和区域（哈尔河流域）尺度的源强度评估。

项目成果

Parallel Multiphysics Simulations Using OpenPALM with Application to Hydro-Biogeochemistry Coupling

使用 OpenPALM 进行并行多物理场仿真并应用于水生生物地球化学耦合

• DOI: 10.1007/978-3-319-67168-0_22
• 发表时间: 2015
• 作者: M. Wlotzka

A parallel solution scheme for multiphysics evolution problems using OpenPALM

使用 OpenPALM 的多物理场演化问题并行求解方案

• DOI: 10.11588/emclpp.2014.01.13758
• 发表时间: 2014
• 作者: M. Wlotzka;V. Heuveline
• 通讯作者: V. Heuveline

Parameter-Induced Uncertainty Quantification of Regional N 2 O Emissions and NO 3 Leaching using the Biogeochemical Model LandscapeDNDC

使用生物地球化学模型景观对区域 N 2 O 排放和 NO 3 浸出进行参数诱导的不确定性量化DNDC

• DOI: 10.2134/advagricsystmodel6.2013.0001
• 发表时间: 2015
• 作者: S. Klatt;D. Kraus;K.-H. Rahn;C. Werner;R. Kiese;K. Butterbach-Bahl;E. Haas
• 通讯作者: E. Haas

Dynamic Simulation of Land Management Effects on Soil N2O Emissions using a coupled Hydrology-Ecosystem Model

使用水文-生态系统耦合模型动态模拟土地管理对土壤 N2O 排放的影响

• DOI: 10.11588/emclpp.2013.03.11824
• 发表时间: 2013
• 作者: M. Wlotzka;V. Heuveline;E. Haas;S. Klatt;D. Kraus;K. Butterbach-Bahl;P. Kraft;L. Breuer
• 通讯作者: L. Breuer

Exploring impacts of vegetated buffer strips on nitrogen cycling using a spatially explicit hydro-biogeochemical modeling approach

使用空间明确的水文生物地球化学建模方法探索植被缓冲带对氮循环的影响

• DOI: 10.1016/j.envsoft.2016.12.002
• 发表时间: 2017
• 期刊: Environ. Model. Softw.
• 作者: S. Klatt;D. Kraus;P. Kraft;L. Breuer;M. Wlotzka;V. Heuveline;E. Haas;R. Kiese;K. Butterbach-Bahl
• 通讯作者: K. Butterbach-Bahl