Landscape and climatic influences on actual evapotranspiration and available water using the Operational Simplified Surface Energy Balance (SSEBop) Model in eastern Bernalillo County, New Mexico, 2015

Douglas-Mankin, Kyle R.; McCutcheon, Ryan J.; Mitchell, Aurelia C.; Senay, Gabriel B.

doi:10.3133/sir20205095

Cited by 3 publications

(3 citation statements)

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“…Precipitation is a driving factor in determining water availability. For example, the difference between P and ETa has been used as an indicator of available water (Douglas- Mankin et al, 2020), which strongly influences soil water storage, streamflow, groundwater recharge, and ecosystem function (Amatya et al, 2016). In the Hondo and Cerro Grande prefire periods (fig.…”

Section: Resultsmentioning

confidence: 99%

Wildfire Burn Severity Affects Postfire Shifts in Evapotranspiration in Subalpine Forests

Mankin,

Patel

2023

Journal of Natural Resources and Agricultural Ecosystems

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Highlights After wildfire, actual evapotranspiration (ETa) in four subalpine areas decreased proportionally to burn severity. High-severity burn areas maintained the highest ETa before fire and the lowest ETa after fire. After fire, ETa decreased more in areas that had higher prefire ETa. ETa was a useful system-level measure of susceptibility to fire and impact after fire. Abstract. The ecohydrologic response to fire is complex, with devastating consequences for source-water hydrology. Postfire canopy structure, leaf area, infiltration, and soil-water storage all may act to reduce evapotranspiration (ET), a key hydrologic variable and indicator of ecohydrologic function. This study explored the use of 30-m resolution Landsat-based SSEBop-model estimates of actual ET (ETa) to assess the effects of fire in the Upper Rio Grande Basin (2002 Million Fire, CO; 1996 Hondo Fire, NM; 2002 Montoya Fire, NM; 2000 Cerro Grande Fire, NM). SSEBop ETa data from 1985-2019 were analyzed to better understand postfire response and recovery in several sub-alpine burned areas. Results show step reductions in ETa after fire across all burn severities in all four fire areas. Prior to the fire, ETa was generally higher in high-severity burn areas, indicative of higher fuel loads, although high variability indicated the influence of additional factors. All areas had a greater response (decreased ETa) to fire in high-severity areas and a lesser response as burn severity decreased. The decrease in ETa after high-severity fire ranged from 42% to 63%, compared to the decrease after low-severity fire, which ranged from 24% to 44%. None of the four burn areas demonstrated postfire ETa recovery after 17 to 23 years. This study demonstrates the clear utility for remote-sensing ETa estimates as a system-level measure of susceptibility to fire, impact of fire, and, potentially, recovery after fire. However, additional research is needed to account for the covariate effects of other fuel, topographic, weather, and climate factors. Keywords: Ecohydrology, Postfire recovery, Remote sensing, Upper Rio Grande Basin.

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Section: Resultsmentioning

confidence: 99%

Wildfire Burn Severity Affects Postfire Shifts in Evapotranspiration in Subalpine Forests

Mankin,

Patel

2023

Journal of Natural Resources and Agricultural Ecosystems

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“…Crop phenology strongly in uences crop yield, biomass accumulation, and other plant processes, such as the magnitude and timing of evapotranspiration (ET), in agricultural ecosystems. Crop yield is a key element of farm pro t. ET is the primary hydrologic out ow from croplands and controls the fraction of precipitation and irrigation in ows that is available to contribute to soil water storage, stream ow, aquifer recharge, and ecosystem function [1][2]. Crop growth and development interacts with management, water availability, and local conditions to in uence yields and hydrologic responses [3].…”

Section: Introductionmentioning

confidence: 99%

“…On fully irrigated plots (Wet), surface drip irrigation was applied to minimize water stress (maintaining soil water > 75%); dryland plots (Dry) received no irrigation. Fall planting operations consisted of disking (10-cm depth), fertilizer application (per soil test), roller harrowing, planting(2…”

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confidence: 99%

Crop Models Improve Growth Simulation by Including Phenological Response to Water Stress

Mankin

Edmunds

McMaster

et al. 2022

Preprint

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Crop models can provide insights into the impacts of climate and management on crop growth and yield, but most currently are limited by overly simplistic assumptions about phenological development and response to water stress. We assessed winter wheat growth and yield performance of three crop models with lineage to the EPIC crop submodel. SWAT adopted the EPIC approach with few modifications, WEPS added new biomass accumulation, partitioning, and canopy approaches linked to key phenological development stages, and UPGM added to WEPS a detailed phenology component simulating responses to water stress. The models were evaluated with default parameters and compared to experimental data for winter wheat (Triticum aestivum L.) from two sites and a range of water-stress conditions for yield, aboveground biomass, biomass partitioning, canopy height, harvest index, and leaf area index. All models simulated yield very well (index of agreement [d] ≥ 0.93), but differences in model performance were increasingly evident for biomass (d = 0.91 [WEPS] to 0.86 [SWAT]), final canopy height (d = 0.68 [UPGM] to 0.44 [SWAT]), and harvest index (d = 0.61 [WEPS] to 0.43 [SWAT]). Errors in biomass simulation were most evident in the grain-filling period late in the growing season. Both WEPS and UPGM exhibited improved simulation of biomass and other response variables by including more explicit simulation of phenological response to water stress. The consistent improvement in winter wheat growth and yield simulation achieved with detailed phenology simulation provides an incentive to develop and test detailed phenology simulation components for other crops: currently 11 crops are simulated in UPGM, although the phenological parameters are uncalibrated. Better modeling linkages of water-stressed phenological development with other physiological processes will be critical to inform crop production where water stress and irrigation limitation are concerns.

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Winter Wheat Crop Models Improve Growth Simulation by Including Phenological Response to Water-Deficit Stress

Mankin,

Edmunds,

McMaster

et al. 2023

Environ Model Assess

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Crop models can provide insights into the impacts of climate and management on crop growth and yield, but most currently are limited by overly simplistic assumptions about phenological development and response to water stress. We assessed winter wheat growth and yield performance of three crop models with lineage to the EPIC crop submodel. SWAT adopted the EPIC approach with few modifications, WEPS added new biomass accumulation, partitioning, and canopy approaches linked to key phenological development stages, and UPGM added to WEPS a detailed phenology component simulating responses to water-deficit stress. The models were evaluated with default parameters and compared to experimental data for winter wheat (Triticum aestivum L.) from two sites and a range of water-stress conditions for yield, aboveground biomass, biomass partitioning, canopy height, harvest index, and leaf area index. All models simulated yield very well (index of agreement [d] ≥ 0.93), but differences in model performance were increasingly evident for biomass (d = 0.91 [WEPS] to 0.86 [SWAT]), final canopy height (d = 0.68 [UPGM] to 0.44 [SWAT]), and harvest index (d = 0.61 [WEPS] to 0.43 [SWAT]). Errors in biomass simulation were most evident in the grain-filling period late in the growing season. Both WEPS and UPGM exhibited improved simulation of biomass and other response variables by including more explicit simulation of phenological response to water stress. The consistent improvement in winter wheat growth and yield simulation achieved with detailed phenology simulation provides an incentive to develop and test detailed phenology simulation components for other crops: currently 11 crops are simulated in UPGM, although the phenological parameters are uncalibrated. Better modeling linkages of water-stressed phenological development with other physiological processes will be critical to inform crop production where water stress and irrigation limitation are concerns.

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Landscape and climatic influences on actual evapotranspiration and available water using the Operational Simplified Surface Energy Balance (SSEBop) Model in eastern Bernalillo County, New Mexico, 2015

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Cited by 3 publications

References 8 publications

Wildfire Burn Severity Affects Postfire Shifts in Evapotranspiration in Subalpine Forests

Wildfire Burn Severity Affects Postfire Shifts in Evapotranspiration in Subalpine Forests

Crop Models Improve Growth Simulation by Including Phenological Response to Water Stress

Winter Wheat Crop Models Improve Growth Simulation by Including Phenological Response to Water-Deficit Stress

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