A conceptual model of catchment water balance: 1. Formulation and calibration

Poncea, V.M.; Shetty, Ampar

doi:10.1016/0022-1694(95)02739-c

Cited by 65 publications

(109 citation statements)

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“…The role of the canopy in the redistribution of precipitation inputs to the forest soil has been well studied in both temperate and tropical ecosystems ([1, 2, 16,20,21,22,24,32,37,38,41], and many other studies). Most of these papers emphasize the importance of throughfall as the major water flow on aboveground vegetated surfaces in the canopy.…”

mentioning

confidence: 99%

Stemflow and throughfall determination in a resprouted Mediterranean holm-oak forest

Bellot

Escarré

1998

Ann. For. Sci.

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mentioning

confidence: 99%

Stemflow and throughfall determination in a resprouted Mediterranean holm-oak forest

Bellot

Escarré

1998

Ann. For. Sci.

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“…When averaged over a long period, deep percolation (recharge) and change in soil moisture storage is often only 5% to 10% of the annual water balance, and therefore the change in catchment water storage (ΔS) can be neglected [41,42]. Precipitation and actual evapotranspiration constitute the most important variables to influence runoff change at the watershed scale.…”

Section: Simple Water Balancementioning

confidence: 99%

Quantifying the Relative Contributions of Forest Change and Climatic Variability to Hydrology in Large Watersheds: A Critical Review of Research Methods

Wei

Liu

Zhou

2013

Water

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Forest change and climatic variability are two major drivers for influencing change in watershed hydrology in forest-dominated watersheds. Quantifying their relative contributions is important to fully understand their individual effects. This review paper summarizes the progress on quantifying the relative contributions of forest or land cover change and climatic variability to hydrology in large watersheds using available case studies. It compared pros and cons of various research methods, identified research challenges and proposed future research priorities. Our synthesis shows that the relative hydrological effects of forest changes and climatic variability are largely dependent on their own change magnitudes and watershed characteristics. In some severely disturbed watersheds, impacts of forest changes or land use changes can be as important as those from climatic variability. This paper provides a brief review on eight selected research methods for this type of research. Because each method or technique has its own strengths and weaknesses, combining two or more methods is a more robust approach than using any single method alone. Future research priorities include conducting more case studies, refining research methods, and considering mechanism-based research using landscape ecology and geochemistry approaches. OPEN ACCESSWater 2013, 5 729

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“…Furthermore, the low model fitting is due to temporary effects, such as temporary storage, as well as macroclimate conditions, which are reflected by means of the estimated model's parameter in Equation (5). The marked symmetry between RP and NP exhibits climate variability among basins and over years [6,16], suggesting that the observed trend will carry on in different regions and that applying the same model with the previously-calibrated parameters is feasible [15].…”

Section: Baseflow Spatial Patterns and Model Parameterizationmentioning

confidence: 99%

“…For instance, the precipitation-runoff relations on a monthly and an annual basis tend to display non-linear behaviors, varying only in magnitude, as shown by Ponce and Shetty [15]. These studies describe a space-time dependence that can be labeled as symmetry, where observations from different regions can be utilized for the construction of a generalized model with invariance principles [16,17].…”

Section: Introductionmentioning

confidence: 99%

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Regional Patterns of Baseflow Variability in Mexican Subwatersheds

Aguilar

Macedo-Cruz

Paz

et al. 2016

Water

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Abstract:One of the challenges faced by subwatershed hydrology is the discovery of patterns associated with climate and landscape variability with the available data. This study has three objectives: (1) to evaluate the annual recession curves; (2) to relate the recession parameter (RP) with physiographic characteristics of 21 Mexican subwatersheds in different climate regions; and (3) to formulate a Baseflow (BF) model based on a top-down approach. The RP was calibrated utilizing the largest magnitude curves. The RP was related to topographical, climate and soil variables. A non-linear model was employed to separate the baseflow which considers RP as a recharge rate. Our results show that RP increases with longitude and decreases with latitude. RP displayed a sustained non-linear behavior determined by precipitation rate and evapotranspiration ( P E ) over years and subwatersheds. The model was fit to a parameter concurrent with invariance and space-time symmetry conditions. The dispersion of our model was associated with the product of ( P E ) by the aquifer's transmissivity. We put forward a generalized baseflow model, which made the discrimination of baseflow from direct flow in subwatersheds possible. The proposed model involves the recharge-storage-discharge relation and could be implemented in basins where there are no suitable ground-based data.

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A conceptual model of catchment water balance: 1. Formulation and calibration

Cited by 65 publications

References 2 publications

Stemflow and throughfall determination in a resprouted Mediterranean holm-oak forest

Stemflow and throughfall determination in a resprouted Mediterranean holm-oak forest

Quantifying the Relative Contributions of Forest Change and Climatic Variability to Hydrology in Large Watersheds: A Critical Review of Research Methods

Regional Patterns of Baseflow Variability in Mexican Subwatersheds

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