ICON-Land: Tile-based representation of lateral exchange processes

Modified ICON-Land code (based on ICON release-2025.04-public) including the T-REX module (T-REX: Tile-based representation of lateral exchange processes). The code can be used under the permissive open source license BSD-3C. Further included are showcase simulations with the modified ICON-Land parametrizations. More specifically, ICON-Land-standalone simulations driven by climate forcing from the Global Soil Wetness Project Phase 3 (GSWP3; Dirmeyer et al., 2006; Kim, 2017), covering the period 1979-2018. These simulations target the lateral tarnsport of water (prefix H2O), with all transport processes exluded (NOTRANS), only the macro- (MACROTRANS) or micro-scale (MICROTRANS) transport included and all transport proceses active in the model (FULLTRANS). Further included are simulations targeting the lateral heat transport in patterened ground (prefix HEAT), in which the lateral transport is excluded (NOTRANS) or included (TRANS). Here, sufixes refer to the tiling setup, that is the assumed spatial scale (a 1-m- (1M), a 10-m- (10M) or a 100-m-circle (100M)) and the micro-scale topography (a high-centered structure (HCP), a low-centered structure (LCP) or an even surface (no suffix)). The primary data is subject to the terms of the Creative Commons Attribution 4.0 International license (CC BY 4.0).本数据集基于ICON版本release-2025.04-public修改的ICON-Land代码，集成了T-REX模块（T-REX：基于瓦片的侧向交换过程表征方法），该代码遵循宽松开源许可协议BSD-3C条款。数据集包含基于修改后ICON-Land参数化方案的示范模拟试验：其一为独立运行版ICON-Land模拟试验，由全球土壤湿度项目第三阶段（Global Soil Wetness Project Phase 3, GSWP3；Dirmeyer等，2006；Kim，2017）的气候强迫数据驱动，模拟时段为1979-2018年，该类试验以水的侧向输送为研究目标，设置四种工况——关闭所有输送过程（NOTRANS）、仅开启大尺度输送（MACROTRANS）、仅开启微尺度输送（MICROTRANS），以及开启模型内所有输送过程（FULLTRANS），所有工况以“H2O”作为前缀标识；其二为图案化地表侧向热输送模拟试验（前缀为HEAT），该类试验设置关闭侧向输送（NOTRANS）与开启侧向输送（TRANS）两种工况，此处的后缀用于标识瓦片设置方案，包括预设空间尺度（1米尺度(1M)、10米尺度(10M)或100米圆形区域(100M)）以及微尺度地形类型：高中心结构（HCP）、低中心结构（LCP），以及平坦地表（无后缀）；本数据集的核心数据遵循知识共享署名4.0国际许可协议（CC BY 4.0）。