Interactive comment on “Sensitivity of North Patagonian temperate rainforests to changes in rainfall regimes: a process-based, dynamic forest

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L9-: Did not you compare the model results with field measurements at OG? L19: What are “changes in climatic parameters”? Each paragraph in this paper tends to be too long. Please reconsider the structure of the text throughout the paper. P6298L1-: Please show important equations in the model and schematic representation of the model structure. P6299, equation (2) is wrong. This should be changed to theta=s*n. P6300: Could be values of alpha and f obtained by observations? P6301L8: What is “the soil hydraulic conductivity of the given soil at field capacity”? Unclear. P6301, equation (8): How did you obtain the value of WUE? This information is critical in this paper, and just showing the reference is insufficient. WUE is a constant in this model? If so, please show reasons why that assumption is OK. How did you obtain Ad? P6302, equation (10) is a Penman-Monteith expression in case of “aerodynamic conductance” (relatively) « “canopy conductance” or just “equilibrium evaporation”. equation (11) need not to be described (this is a common sense). P6303L1: Theta_fc did not appear in equation (12). P6303L12-: According to equation (8), Td cannot be directly controlled by soil moisture. Show how Td is controlled by soil moisture. P6303L3: “the mean amount of daily rainfall” is incorrect. P6303L5-: Please give a description about the validity of the generated climatic factors.

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Interactive comment on “Sensitivity of North Patagonian temperate rainforests to changes in rainfall regimes: a process-based, dynamic forest

This paper examined the impact of rainfall regimes shifts on some hydrologic factors and forest growth in North Patagonian temperate rainforests using a dynamic forest model and a rainfall time series generator. My feeling is that the paper is potentially interesting and the authors made a reasonable effort but insufficient descriptions of the model and its validation caused something like unre...

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Interactive comment on “Sensitivity of North Patagonian temperate rainforests to changes in rainfall regimes: a process-based, dynamic forest

This manuscript describes a modeling study of forest water fluxes and biomass changes under different rainfall regimes. The model was developed based on FORMIND with a new extension of forest hydrological cycle added. They run the model for both a young and an old-growth stands of temperate rainforest under current and future climate scenarios and compared the modeling results with measurements...

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Interactive comment on “Sensitivity of North Patagonian temperate rainforests to changes in rainfall regimes: a process-based, dynamic forest

This manuscript describes a modeling study of forest water fluxes and biomass changes under different rainfall regimes. The model was developed based on FORMIND with a new extension of forest hydrological cycle added. They run the model for both a young and an old-growth stands of temperate rainforest under current and future climate scenarios and compared the modeling results with measurements...

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Interactive comment on “Sensitivity of North Patagonian temperate rainforests to changes in rainfall regimes: a process-based, dynamic forest

Soil moisture.The main conceptual problem to conduct the quantitative validation asked by the referee is the different spatial scales of the model and empirical data. The empirical data presented in the MS are the best available, representing a highly intensive data collection but for a small spatial scale (400 m2) and few points in this space. They are only available for one complete year (200...

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Interactive comment on “Sensitivity of North Patagonian temperate rainforests to changes in rainfall regimes: a process-based, dynamic forest

behind this result are 1) the different biomass production among stands (indicated in 6311 L22) due to a higher Ad (canopy photosynthetic rate) of larger trees found in OG, and 2) our assumption of the same water-use efficiency of stands. Accordingly, the amount of water needed to produce the potential biomass is much higher in OG than YS, and cannot be covered by the water supply under strong ...

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تاریخ انتشار 2012