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A new model of rock weathering: design and validation on a small granitic catchment

机译：一种新的岩石风化模型：小花岗岩集水区的设计与验证

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摘要

A new process-oriented model of rock weathering and soil chemistry is presented. As a first validation test, this model is applied to a small granitic catchment, the Strengbach watershed located in the Vosges mountains, France. A long record of meteorological, hydrological and chemical data is available for this site. The vegetation is composed of spruce over two-thirds of the watershed and a mixed beech and fir forest over the remaining third. Daily soil CO_2 fluxes and water runoff are calculated with the ASPECTS model (Rasse et al. 2000). The weathering model can calculate the budget of the major ions in the soil solution in a fully transient mode from rain composition data and dissolution kinetics for a wide set of primary minerals. In the experiments performed over the Strengbach watershed, the model is run to steady state. Preliminary results of this experiment are compared to some available data.
机译：提出了一种新的过程导向的岩石风化和土壤化学模型。作为第一个验证测试，该模型适用于小型花岗岩流域，Strengbach流域位于法国孚日省山区。该网站可获得气象，水文和化学数据的长期记录。植被由三分之二的流域云杉和剩下的三分之一的混合山毛榉和冷杉林组成。每日土壤CO_2助焊剂和水径流由各个方面的模型计算（Rasse等，2000）。风化模型可以从雨量成分数据和溶出动力学进行全部瞬态模式计算土壤溶液中的主要离子预算。在对Strengbach流域进行的实验中，模型运行到稳态。将该实验的初步结果与一些可用数据进行比较。

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