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Article
Gaseous losses of nitrogen by ammonia volatilization and nitrous oxide emissions from rice paddies with different irrigation management
To reveal the influence of non-flooding controlled irrigation (NFI) on gaseous nitrogen (N) losses in forms of ammonia volatilization (AV) and nitrous oxide (N2O) emissions from high N inputs rice paddies, lysime...
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Article
Effects of lateral flushing on emitter clogging and biofilm components in drip irrigation systems with reclaimed water
Emitter clogging has become one of the main restrictions in the development of drip irrigation with reclaimed water. Numerous studies have found that emitter clogging is closely related to the formation and gr...
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Article
Lateral flushing regime for managing emitter clogging under drip irrigation with saline groundwater
Water scarcity forces saline water to be used in the Bohai Rim Region, China. However, emitter clogging is a persistent and widespread problem in drip irrigation systems when irrigating with saline water. To f...
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Article
Effect of optimization forms of flow path on emitter hydraulic and anti-clogging performance in drip irrigation system
This study aims to solve the problem of emitter clogging by optimizing the flow path boundary and making it self-cleaning, thereby reducing cost of drip irrigation project to promote water-saving irrigation te...
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Article
Formation mechanism for emitter composite-clogging in drip irrigation system
Revealing the mechanism and influential path of emitter clogging in drip irrigation is the basis to control this issue. Eight commonly used flat emitters were tested to analyze the effects of emitter flow path...
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Article
Composite clogging characteristics of emitters in drip irrigation systems
This study investigated the characteristics of emitter clogging substance in 16 kinds of drip irrigation emitters using 3 kinds of water sources that could typically induce composite clogging in the Yellow Riv...
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Article
A multi-year intercomparison of micrometeorological observations at adjacent vineyards in California’s Central Valley during GRAPEX
California is among the largest wine-producing regions in the world. It is also a region with limited water resources. To ensure that scarce water resources are used effectively, the ongoing Grape Remote sensi...
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Article
Influence of wind direction on the surface roughness of vineyards
Remote sensing-based models are the most viable means of collecting the high-resolution spatially distributed estimates of evaporative water loss needed to manage irrigation and ensure the effective use of lim...
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Article
Determining a robust indirect measurement of leaf area index in California vineyards for validating remote sensing-based retrievals
Accurate ground-based measurements of leaf area index (LAI) are needed for validation of remote sensing-based retrievals used in models estimating plant water use, stress, carbon assimilation and other land su...
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Article
Evaluation of TSEB turbulent fluxes using different methods for the retrieval of soil and canopy component temperatures from UAV thermal and multispectral imagery
The thermal-based Two-Source Energy Balance (TSEB) model partitions the evapotranspiration (ET) and energy fluxes from vegetation and soil components providing the capability for estimating soil evaporation (E...
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Article
Evapotranspiration estimates derived using thermal-based satellite remote sensing and data fusion for irrigation management in California vineyards
Irrigation in the Central Valley of California is essential for successful wine grape production. With reductions in water availability in much of California due to drought and competing water-use interests, i...
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Article
Impact of different within-canopy wind attenuation formulations on modelling sensible heat flux using TSEB
The unique vertical canopy structure and clumped plant distribution/row structure of vineyards and orchards creates an environment that is likely to cause the wind profile inside the canopy air space to deviat...
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Article
Irrigation and fertilization management to optimize rice yield, water productivity and nitrogen recovery efficiency
Increasing water scarcity and environmental contamination with excess chemical nitrogen fertilizer use necessitate the development of water-nitrogen conservation technology in rice production. Therefore, a 2-y...
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Article
LAI estimation across California vineyards using sUAS multi-seasonal multi-spectral, thermal, and elevation information and machine learning
In agriculture, leaf area index (LAI) is an important variable that describes occurring biomass and relates to the distribution of energy fluxes and evapotranspiration components. Current LAI estimation method...
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Article
Open AccessEvaluating different metrics from the thermal-based two-source energy balance model for monitoring grapevine water stress
Precision irrigation management requires operational monitoring of crop water status. However, there is still some controversy on how to account for crop water stress. To address this question, several physiol...
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Article
Time-series clustering of remote sensing retrievals for defining management zones in a vineyard
Management zones (MZs) are efficient for applying site-specific management in agricultural fields. This study proposes an approach for generating MZs using time-series clustering (TSC) to also enable time-spec...
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Open AccessEvaluation of satellite Leaf Area Index in California vineyards for improving water use estimation
Remote sensing estimation of evapotranspiration (ET) directly quantifies plant water consumption and provides essential information for irrigation scheduling, which is a pressing need for California vineyards ...
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Article
Influence of modeling domain and meteorological forcing data on daily evapotranspiration estimates from a Shuttleworth–Wallace model using Sentinel-2 surface reflectance data
Sustainable use of available water resources in viticulture can be aided by frequent high-resolution information on vineyard water status. Recently, a new Shuttleworth–Wallace evapotranspiration (ET) model, wh...
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Article
Application of the vineyard data assimilation (VIDA) system to vineyard root-zone soil moisture monitoring in the California Central Valley
Efforts to apply gridded root-zone soil moisture (RZSM) products for irrigation decision-support in vineyards are currently hampered by the difficulty of obtaining RZSM products that meet required accuracy, re...
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Article
Performance of Sentinel-2 SAFER ET model for daily and seasonal estimation of grapevine water consumption
Assessment of water consumption is a crucial task for irrigation management in grapevines, especially in areas with limited water resources, which is the case of California Central Valley. This study evaluated...