Temporal and spatial patterns of soil moisture in semiarid badlands of SE Spain

Cantón, Yolanda; Solé‐Benet, Albert; Domingo, Francisco

doi:10.1016/j.jhydrol.2003.08.018

Cited by 196 publications

(150 citation statements)

References 45 publications

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“…The technical characteristics of SBIB probes, their calibration as well as successful results with replicates of the same prototype used in different soils, are detailed in different publications (Puigdefábregas et al, , 1998Vidal et al, 1996;Domingo et al, 1999Domingo et al, , 2001Cantón et al, 2001Cantón et al, , 2004. Beginning in July 2003, six probes were installed in a 10 Â 10 m area the eddy tower at a depth of 0.06 m. Moreover, at the end of 2003, six additional y probes were installed in the same place at two depths (three at a depth of 0.06 m and three more at 0.25 m depth), such that y data at two depths are available only from 12 February 2004 to 31 August 2005.…”

Section: Field Measurementsmentioning

confidence: 99%

Temporal dynamics of soil water balance components in a karst range in southeastern Spain: estimation of potential recharge

Cantón

Villagarcı́a

Moro

et al. 2010

Hydrological Sciences Journal

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This paper analyses the temporal dynamics of soil water balance components in a representative recharge area of the Sierra de Gádor (Almeria, southeastern Spain) in two hydrological years. Two approaches are used to estimate daily potential recharge (PR): Approach 1 based on deriving PR from the water balance as the difference between measurements of rainfall (P) and actual evapotranspiration (E) obtained by eddy covariance; and Approach 2 with PR obtained from the dynamic pattern of the soil moisture (y) recorded at two depths in the site's thin soil (average 0.35 m thickess). For the hydrological year 2003/04, which was slightly drier than the 30-year average, E accounted for 64% of rainfall and occurred mainly in late spring and early summer. The PR estimated by Approach 1 was 181 AE 18 mm year -1 (36% of rainfall), suggesting an effective groundwater recharge in the study area. In the unusually dry hydrological year 2004/05, E was about 215 mm year -1 , close to the annual rainfall input, and allowing very little (8 AE 12 mm year -1 ) PR according to Approach 1. Estimation of PR based on Approach 2 resulted in PR rates lower than those found by Approach 1, because Approach 2 does not take into account the recharge that occurs through preferential flow pathways (cracks, joints and fissures) which were not monitored with the y probes. Moreover, using Approach 2, the PR estimates differed widely depending on the time scale considered: with daily mean y data, PR estimation was lower, especially in late spring, while y data at 30 min resolution yielded a more reliable prediction of the fraction of total PR resulting from the downward movement of soil water by gravity.Key words potential recharge; evapotranspiration; soil moisture; soil water balance; Mediterranean; Sierra de Gádor Dynamique temporelle des composantes du bilan hydrique du sol dans une chaine karstique du sud-est de l'Espagne: estimation de la recharge potentielle Résumé Ce travail analyse la dynamique temporelle des composantes du bilan hydrique du sol dans une zone de recharge représentative de la Sierra de Gador (Almeria, SE de l'Espagne) pendant deux années hydrologiques. Deux approches ont été utilisées pour estimer la recharge potentielle journalière (RP): dans l'approche 1, RP est calculée à partir de la différence entre les mesures de pluie (P) et d'évapotranspiration réelle (E) obtenues par la méthode de la covariance turbulente; dans l'approche 2, RP est obtenue à partir de l'humidité du sol (y) mesurée à deux profondeurs dans les sols peu profonds du site (épaisseur moyenne de 0.35 m). Pendant l'année hydrologique

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Section: Field Measurementsmentioning

confidence: 99%

Temporal dynamics of soil water balance components in a karst range in southeastern Spain: estimation of potential recharge

Cantón

Villagarcı́a

Moro

et al. 2010

Hydrological Sciences Journal

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“…This redistribution inevitably affects the spatial variation in soil moisture (Legates et al, 2011;Meerveld and McDonnell, 2006). For example, the topographic wetness index (TWI), which is based on topographic factors (upslope contributing areas and slope gradient), can represent soil moisture conditions under the influence of topographic factors well (Ali et al, 2010;Cantón et al, 2004;Western et al, 2004). However, soil moisture at different depths may have a different response to influencing factors in afforested land (Venkatesh et al, 2011).…”

Section: Introductionmentioning

confidence: 99%

Effects of vegetation restoration on the spatial distribution of soil moisture at the hillslope scale in semi-arid regions

Yang

Chen

Wei

2015

CATENA

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“…Soil moisture is highly and nonlinearly variable in both time and space due to heterogeneity of climate and soil across different scales (Heathman et al, 2012). Studies have identified important spatiotemporal variability characteristics of SWC from different aspects, such as the spatio-temporal patterns of SWC (Cantón et al, 2004;Brocca et al, 2007), the relationship between the heterogeneity and its mean values (Hupet and Vanclooster, 2002;Choi and Jacobs, 2007), the spatial scaling of SWC (Western and Blöschl, 1999;Gao and Shao, 2012a), and the controlling factors of spatio-temporal patterns (Gómez-Plaza et al, 2001;Zhao et al, 2010).…”

Section: Introductionmentioning

confidence: 99%

Spatio-temporal variability and temporal stability of water contents distributed within soil profiles at a hillslope scale

Gao

Shao

Peng

et al. 2015

CATENA

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a b s t r a c t a r t i c l e i n f oInformation about soil water content (SWC) within soil profiles in terms of its spatio-temporal variability and temporal stability is crucial when selecting appropriate soil water management practices. However, detailed profile distribution features for related indices are not clear on the Chinese Loess Plateau. This study aimed to investigate the depth dependency of spatio-temporal variability and temporal stability of SWC at the hillslope scale using an intensive sampling strategy for both horizontal and vertical directions as well as over time. The SWCs at 20 depths within 0-300 cm soil profiles were measured on 20 occasions between July 2008 and October 2010 at 91 locations on a hillslope on the Loess Plateau, China. Results showed that although the profile distributions of investigated statistical parameters differed greatly, they were all depth dependent. Based on both the spatio-temporal variability and the temporal stability characteristics using eight indices, the studied soil profile (0-300 cm) could be divided into three soil layers, i.e., 0-60, 60-160 and 160-300 cm, with a characteristic feature of "irregularly changing", "regularly changing", and "relatively constant", respectively. The deepest rainwater replenishment depth was approximately 160 cm. Therefore, choosing 200 cm as the sampling depth would be sufficient in similar areas. Such findings are useful for designing an optimal strategy for sampling and management of profile soil moisture.

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Temporal and spatial patterns of soil moisture in semiarid badlands of SE Spain

Cited by 196 publications

References 45 publications

Temporal dynamics of soil water balance components in a karst range in southeastern Spain: estimation of potential recharge

Temporal dynamics of soil water balance components in a karst range in southeastern Spain: estimation of potential recharge

Effects of vegetation restoration on the spatial distribution of soil moisture at the hillslope scale in semi-arid regions

Spatio-temporal variability and temporal stability of water contents distributed within soil profiles at a hillslope scale

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