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第一次验证Sim2D球体模型能够预测不同欧洲生态系统的土地表面相互作用的参数的时空变化

Christina Lekka¹, George P Petropoulos¹, Spyridon E Detsikas¹

¹Department of Geography, Harokopio University of Athens, El. Venizelou St., 70, 17671 Athens, Greece.

Sensors (Basel, Switzerland)

|March 17, 2025

概括

这项研究验证了Sim2DSphere模型对陆地和大气相互作用的验证,在模拟各种生态系统的能量流中发现了有希望的准确性. 该模型显示了草原的高精度,证明了其对LSI研究的潜力.

科学领域:

地球系统科学地球系统科学
生态系统动力学生态系统动力学
气候建模气候模型

背景情况:

陆地 - 大气相互作用 (LSIs) 对能量和物质交换至关重要,影响生态系统和气候动态.
生态系统对LSI的反应因环境特征和反效应而异.

研究的目的:

进行对Sim2DSphere模型进行第一个广泛的验证,以研究LSI.
评估模型在各种生物体和气候区域的连贯性和实用性.

主要方法:

在12天内,分析了来自10个旋共变点点的水和能量流.
将地球观测 (EO) 数据与地面观测数据集成,以运行Sim2DSphere模型.
模拟的日间能量流动动力学与地面测量的比较.

主要成果:

该Sim2DSphere模型显示了草原地区的高精度 (R2>0.85;RMSE <68.50 Wm-2).
该模型对森林区域的准确性略低 (R2>0.80;RMSE<75.0 Wm-2).
与地面测量相比,日间能量流动的动态被准确地捕获.

结论:

Sim2DSphere模型显示了在各种时空分辨率上研究LSI的有希望的潜力.
最初的验证结果支持该模型在各种环境中的一致性和适用性.
进一步的研究可以利用这种验证的模型进行先进的LSI研究.

关键词:

这就是FLUXNET.在SVAT和SVAT之间.在Sim2DSphere中,使用的是SIM2DSphere.地球观测地球观测土地表面的相互作用.表面异质性的异质性

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