From subsurface structures to functions and texture - linking virtual realities and experiments at the plot and hillslope scales

从地下结构到功能和纹理——在地块和山坡尺度上连接虚拟现实和实验

• 批准号: 200781144
• 负责人: Professor Dr.-Ing. Erwin Zehe
• 金额: --
• 依托单位: Helmholtz-Zentrum Potsdam - Deutsches GeoForschungsZentrum (GFZ)
• 依托单位国家: 德国
• 项目类别: Research Units
• 财政年份: 2011
• 资助国家: 德国
• 起止时间: 2010-12-31 至 2014-12-31
• 项目状态: 已结题
• 来源: https://gepris.dfg.de/gepris/projekt/200781144?language=en
• 关键词: subsurface; structures; functions; texture; linking

This project will explore the interplay between soil water, tracer and soil heat budgets depending on the prevailing context and develop advanced approaches for their coupled treatment within the subsurface domains of an EFU (the least entity of the CAOS model). Based on an improved understanding of the fingerprints of vertical preferential flow in the water, mass and heat transport in the unsaturated zone we will derive suitable closure relations that account for these fingerprints in the unsaturated subsurface domain of an EFU during rainfall driven conditions. We will furthermore derive descriptions for water, mass and heat budgets in the unsaturated subsurface domain during energy driven conditions and derive the necessary constitutive relations that account for the effect of soil heterogeneity on storage of water, mass and energy based on virtual experiments. Next we will explore coupled water and heat transport in the saturated subsurface domain with special emphasis on groundwater surface water exchange and derive process descriptions of minimum adequate complexity. Furthermore we will contribute to an optimal combination of soil physical and geophysical methods for exploring near subsurface lateral structures at the hillslope scale in joined work task with Project F.

该项目将探索土壤水，示踪剂和土壤热预算之间的相互作用，具体取决于现行的环境，并为其在EFU的地下域（CAOS模型的最小实体）中开发出高级方法。基于对不饱和区域中水，质量和热传输中垂直优先流动的指纹的深入了解，我们将得出适当的闭合关系，在降雨驱动的条件下，在EFU的不饱和地下域中解释了这些指纹。我们将在能源驱动条件下对不饱和地下域中的水，质量和热预算的描述得出描述，并得出必要的本构关系，这些关系是基于虚拟实验的土壤异质性对水，质量和能量存储的影响。接下来，我们将在饱和地下域中探索耦合的水和热传输，并特别强调地下水地表水交换，并得出了最小足够复杂性的过程描述。此外，我们将有助于土壤物理和地球物理方法的最佳组合，以探索与Project F的“山坡尺度上的地下侧面结构”。

项目成果

Ecohydrological particle model based on representative domains

基于代表域的生态水文粒子模型

• DOI: 10.5194/hess-22-3639-2018
• 发表时间: 2018
• 期刊: Hydrology and Earth System Sciences
• 影响因子: 6.3
• 作者: Jackisch

Unravelling abiotic and biotic controls on the seasonal water balance using data-driven dimensionless diagnostics

• DOI: 10.5194/hess-21-2817-2017
• 发表时间: 2017-06
• 期刊: Hydrology and Earth System Sciences
• 影响因子: 6.3
• 作者: S. P. Seibert;C. Jackisch;U. Ehret;L. Pfister;E. Zehe

Impact of Temporal Macropore Dynamics on Infiltration: Field Experiments and Model Simulations

时间大孔隙动力学对渗透的影响：现场实验和模型模拟

• DOI: 10.2136/vzj2017.08.0147
• 发表时间: 2018
• 期刊: Vadose Zone Journal
• 影响因子: 2.8
• 作者: Jackisch;Hohenbrink;Schröder;Zangerlé;van Schaik
• 通讯作者: van Schaik

A Lagrangian model for soil water dynamics during rainfall-driven conditions

降雨驱动条件下土壤水动态的拉格朗日模型

• DOI: 10.5194/hess-20-3511-2016
• 发表时间: 2016
• 期刊: Hydrology and Earth System Sciences
• 影响因子: 6.3
• 作者: C. Jackisch

Simulation of reactive solute transport in the critical zone: a Lagrangian model for transient flow and preferential transport

临界区反应性溶质输运模拟：瞬态流动和优先输运的拉格朗日模型

• DOI: 10.5194/hess-25-1483-2021
• 发表时间: 2021
• 期刊: Hydrology and Earth System Sciences
• 影响因子: 6.3
• 作者: Sternagel;Loritz;Berkowitz
• 通讯作者: Berkowitz