Evaluation of variation in radiative and turbulent fluxes over winter wheat ecosystem along Indo-Gangetic region

Pokhariyal, Shweta; Patel, N. R.

doi:10.1007/s12517-021-08320-8

Cited by 2 publications

(2 citation statements)

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“…This condition can be applied when the surface is uniform, keeping in mind that the vertical gradient that comprises the meteorological elements is far greater than the horizontal gradient. As such, these terms are ignored in building Equation (1) [30,31].…”

Section: Surface Energy Balance Methodsmentioning

confidence: 99%

“…Among the methods used to determine turbulent flux, the Bowen ratio indirectly quantifies the latent heat flux (LE) using net radiation (R n ), soil heat flux (G) and the air temperature and humidity gradients [29,30]. In addition to being a low-cost method compared to the eddy covariance and weighing lysimeter methods, the Bowen ratio method uses simple sensors and is preferred in ET studies in agricultural ecosystems [28,31,32].…”

Section: Introductionmentioning

confidence: 99%

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Monitoring Energy Balance, Turbulent Flux Partitioning, Evapotranspiration and Biophysical Parameters of Nopalea cochenillifera (Cactaceae) in the Brazilian Semi-Arid Environment

Jardim

Morais

Souza

et al. 2023

Plants

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The in-situ quantification of turbulent flux and evapotranspiration (ET) is necessary to monitor crop performance in stressful environments. Although cacti can withstand stressful conditions, plant responses and plant–environment interactions remain unclear. Hence, the objective of our study was to investigate the interannual and seasonal behaviour of components of the surface energy balance, environmental conditions, morphophysiological parameters, biomass yield and water relations in a crop of Nopalea cochenillifera in the semi-arid region of Brazil. The data were collected from a micrometeorological tower between 2015 and 2017. The results demonstrate that net radiation was significantly higher during the wet season. Latent heat flux was not significant between the wet season and dry season. During the dry-wet transition season in particular, sensible heat flux was higher than during the other seasons. We observed a large decline in soil heat flux during the wet season. There was no difference in ET during the wet or dry seasons; however, there was a 40% reduction during the dry-wet transition. The wet seasons and wet-dry transition showed the lowest Evaporative Stress Index. The plants showed high cladode water content and biomass during the evaluation period. In conclusion, these findings indicate high rates of growth, high biomass and a high cladode water content and explain the response of the cactus regarding energy partitioning and ET.

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Section: Surface Energy Balance Methodsmentioning

confidence: 99%