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Article
Combining Spatial Downscaling Techniques and Diurnal Temperature Cycle Modelling to Estimate Diurnal Patterns of Land Surface Temperature at Field Scale
Land surface Temperature (LST) at high spatial resolution and at sub-daily scale is highly useful for monitoring evaporative stress in plants, heatwave events, and droughts. Spatial downscaling methods are oft...
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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
The vertical turbulent structure within the surface boundary layer above a Vineyard in California’s Central Valley during GRAPEX
Water is already a limited resource in California, and meeting the competing water needs, there will be only more challenges in the coming decades. Thus, sustaining the production of wine grapes, which are amo...
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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...
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Article
Open AccessApplication of a remote-sensing three-source energy balance model to improve evapotranspiration partitioning in vineyards
Improved accuracy of evapotranspiration (ET) estimation, including its partitioning between transpiration (T) and surface evaporation (E), is key to monitor agricultural water use in vineyards, especially to e...
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Article
Open AccessImproving the spatiotemporal resolution of remotely sensed ET information for water management through Landsat, Sentinel-2, ECOSTRESS and VIIRS data fusion
Robust information on consumptive water use (evapotranspiration, ET) derived from remote sensing can significantly benefit water decision-making in agriculture, informing irrigation schedules and water managem...
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Article
Impact of advection on two-source energy balance (TSEB) canopy transpiration parameterization for vineyards in the California Central Valley
Water conservation efforts for California’s agricultural industry are critical to its sustainability through severe droughts like the current one and others experienced over the last two decades. This is most ...
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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
Crop Water Stress Index of an irrigated vineyard in the Central Valley of California
Water-limiting conditions in many California vineyards necessitate assessment of vine water stress to aid irrigation management strategies and decisions. This study was designed to evaluate the utility of a Cr...
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Article
Multi-Year Measurements of Field-Scale Metolachlor Volatilization
Volatilization is a critical pathway for herbicide loss from agricultural fields, and subsequently deposited downwind from the edge of the field. To better understand the volatilization process, field-scale tu...
