Evapotranspiration components determined by sap flow and microlysimetry techniques of a vineyard in northwest China: Dynamics and influential factors

Zhang, Yanqun; Kang, Shaozhong; Ward, Eric J.; Ding, Risheng; Zhang, Xin; Zheng, Rui

doi:10.1016/j.agwat.2011.03.006

Cited by 113 publications

(57 citation statements)

References 34 publications

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“…Other studies (e.g., Yunusa et al, 1997;Trambouze and Voltz, 2001;Fandiño et al, 2012;Shapland et al, 2012) showed average daily ET C varying between 2 and 2.2 mm/day. However, average daily ET C rates similar to our study (in I 4 treatment) have been reported by Zhang et al (2010) and Zhang et al (2011) under surface drip irrigation. These studies show that the site specific variability in plant water uptake reflects numerous climate, soil, irrigation, and plant parameters, which have tremendous impact on water uptake patterns of wine grape.…”

Section: Actual Et Components Simulated By Hydrus-2dmentioning

confidence: 32%

“…Cancela et al (2012) reported similar K cbactmid (0.25) for vine under SDI, while other studies (Intrigliolo and Castel, 2009;Zhang et al, 2011) reported much higher K cbactmid (0.47-0.5) under surface drip irrigation. Similarly, our K cbactend was lower than the values reported by the above studies.…”

Section: Crop Coefficientsmentioning

confidence: 75%

“…A wide range of methods and techniques have been used for estimating vineyard ET and water use, including lysimeter (Williams and Ayars, 2005;Netzer et al, 2009), sap flow (Lascano et al, 1992;Yunusa et al, 1997Yunusa et al, , 2000Yunusa et al, , 2004Ferreira et al, 2012), Bowen ratio (Yunusa et al, 2004;Zhang et al, 2011), surface energy balance (Castellví and Snyder, 2010;Moratiel and Martínez-Cob, 2012), eddy covariance Rodríguez et al, 2010), soil water balance (Singleton and Maudsley, 1996;Fooladmand and Sepaskhah, 2009), and a combination of field measurements (Trambouze et al, 1998;Cancela et al, 2012;Styles et al, 2015). However, intensive field measurements of these agro-hydrological fluxes require large investment in sensors, labour, and time.…”

Section: Introductionmentioning

confidence: 99%

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Evaluation of crop coefficients, water productivity, and water balance components for wine grapes irrigated at different deficit levels by a sub-surface drip

Phogat

Skewes

McCarthy

et al. 2017

Agricultural Water Management

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a b s t r a c tAccurate estimation of evapotranspiration (ET) and its partitioning into transpiration and evaporation is fundamental for improving water management practices in water-limited environments and under deficit irrigation conditions. This investigation was conducted to estimate the water balance and ET components of subsurface drip (SDI) irrigated Chardonnay wine grapes for two seasons (2010-2011 and 2011-2012) using a numerical model (HYDRUS-2D). Treatments involved the application of different volumes [51% (I 1 ), 64% (I 2 ), 77% (I 3 ), and 92% (I 4 ) of normal application] of water for irrigation. A modified version of the FAO-56 dual crop coefficient approach was used to generate daily transpiration and evaporation as inputs to the HYDRUS-2D model. The calibrated and validated model produced estimates of actual evapotranspiration (ET Cact ), actual transpiration (T pact ), and actual evaporation (E sact ), and deep percolation under varied irrigation applications. The model-simulated values were then used to estimate actual crop coefficients (K cact and K cbact ), and water productivity of wine grape under different deficit irrigation conditions. Seasonal ET Cact simulated by HYDRUS-2D for different treatments varied between 239 and 382 mm. However, seasonal evaporation accounted for 44-59% of seasonal ET Cact losses in different treatments. The modelled daily transpiration rate in I 4 treatment (T p4act ) varied from 0.11-2.74 mm/day. Deep percolation accounted for 35-40% of the total water applied by rainfall and irrigation. The mean value of actual crop coefficient (K cact ) estimated by HYDRUS-2D simulated ET C act over the two seasons was 0.27, which matched with other investigations. Similarly, values of K cbact for initial, mid and end stages were 0.13, 0.27 and 0.14, respectively. Monthly values of evaporation coefficient (K e ) ranged from 0.1 to 0.32, with a mean value of 0.18. Water productivity with respect to ET losses (WPET C ) ranged from 5.9 to 6.2 kg/m 3 of water use. However, water productivity for transpiration (WPT C ) almost doubled as compared to WPET C in all treatments. The impact of deficit irrigation on berry juice composition (Brix, pH and titratable acidity) was lower than the inter-seasonal variability. These results can help develop better irrigation management strategies for SDI irrigated wine grapes under water scarce conditions.

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Section: Actual Et Components Simulated By Hydrus-2dmentioning

confidence: 32%

Section: Crop Coefficientsmentioning

confidence: 75%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Evaluation of crop coefficients, water productivity, and water balance components for wine grapes irrigated at different deficit levels by a sub-surface drip

Phogat

Skewes

McCarthy

et al. 2017

Agricultural Water Management

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“…There was a co-linearity between daily sap-flow T and net radiation, as indicated by the strong correlation (R 2 = 0.83). Similar responses of T to radiation have been reported by Zhang et al (2011), where daily sap-flow T was found to increase linearly with solar radiation in a vineyard.…”

Section: Transpirationsupporting

confidence: 68%

Partitioning Evaporation and Transpiration in a Maize Field Using Heat-Pulse Sensors for Evaporation Measurement

2016

Trans. ASABE

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ABSTRACT. Evapotranspiration (ET) is the sum of soil water evaporation (E) and plant transpiration (T). E and T occur simultaneously in many systems vs. E+T and 0.77 for ET vs. E+T), with the values of individually measured E+T close to crop ET c but larger than eddy covariance ET during the measurement period. Disparities in measurements were likely due to variations in measurement scale, which did not reflect the full range of field variability for individually measured E and T, and differences in response to declining soil moisture among the three approaches. Overall, the results support the need for individual measurement of each term (E, T, and ET) when attempting to interpret ET partitioning and suggest that soil heat-pulse sensors provide a viable complement to previously tested approaches for continuously determining E for ET partitioning during wetting-drying periods.

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“…Several studies were based either on measurements from weighing lysimeters [6,12,13], or on surface energy balance such as the Eddy Covariance and Bowen ratio methods [14][15][16][17][18]. Overall, these studies indicate significant variation on water requirements and more generally do not provide spatial trends of evapotranspiration, since the measured values are mostly restricted and influenced by a small footprint area [19].…”

Section: Introductionmentioning

confidence: 99%

Estimation of Evapotranspiration and Crop Coefficients of Tendone Vineyards Using Multi-Sensor Remote Sensing Data in a Mediterranean Environment

et al. 2015

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Abstract:The sustainable management of water resources plays a key role in Mediterranean viticulture, characterized by scarcity and competition of available water. This study focuses on estimating the evapotranspiration and crop coefficients of table grapes vineyards trained on overhead "tendone" systems in the Apulia region (Italy). evapotranspiration derived from remotely-sensed data could be helpful for downscaling to the field the local weather conditions and agronomic practices and thus may be the basis for supporting grape growers and irrigation managers.

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Evapotranspiration components determined by sap flow and microlysimetry techniques of a vineyard in northwest China: Dynamics and influential factors

Cited by 113 publications

References 34 publications

Evaluation of crop coefficients, water productivity, and water balance components for wine grapes irrigated at different deficit levels by a sub-surface drip

Evaluation of crop coefficients, water productivity, and water balance components for wine grapes irrigated at different deficit levels by a sub-surface drip

Partitioning Evaporation and Transpiration in a Maize Field Using Heat-Pulse Sensors for Evaporation Measurement

Estimation of Evapotranspiration and Crop Coefficients of Tendone Vineyards Using Multi-Sensor Remote Sensing Data in a Mediterranean Environment

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