Lysimeter soil water balance evaluation for an experiment developed in the Southern Brazilian Atlantic Forest region

Feltrin, Rafael Matias; Paiva, João Batista Dias de; Paiva, Eloiza; Beling, Fábio Alex

doi:10.1002/hyp.7971

Cited by 14 publications

(9 citation statements)

References 17 publications

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“…In native grass, the soil water storage varied between 94.48 and 244.30 mm, having an average of 155.57 mm. These results are in accordance with those published by Feltrin andPaiva (2009) and, Feltrin et al 2011, which were obtained in tensiometers that were installed at depths of 0.10, 0.30 and 0.70 m inside of a drainage lysimeter, and at the same place where the behavior of the soil water content, for grass native field was monitored.…”

Section: Resultssupporting

confidence: 92%

Effect of vegetation and seasons on the water content of soil climatic conditions of the Atlantic Forest in Southern Brazil

Feltrin¹,

Paiva²,

Paiva³

et al. 2012

21st Century Watershed Technology: Improving Water Quality and Environment Conference Proceedings, May 27-June 1, 2012, Bari, I

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The objetive of this work was monitoring of the soil water content behavior, for grass native field and native forest vegetation cover, in an area characteristic of Atlantic Forest in Southern Brazil. To obtain the soil water content, some electronics tensiometers with pressure transducer were utilized and were placed 0.10, 0.30 and 0.70 m below the soil surface, from October 2010 to May 2011. The values of matric potential, measured by tensiometers, were transformed into soil water content values based on a soil water retention curve for each depth. The obtained results showed that in native fields and native forests, the greatest variations of tension, water content, and water storage in the soil happened at a depth of 0.10 and 0.30 m. At a depth of 0.70 m these variables presented less variations, mainly in native field soil cover. The soil water content was greater in the forested land cover than in the native field. Different seasons throughout the year directly influenced the behavior of analyzed variables. In the summer, the values of soil water tension observed in the forested land cover were higher than those observed in the native field. In the winter season, there was a change in that behavior at depths of 0.30 and 0.70 m and the values of soil water tension became smaller than the forested land cover. Great variations in the soil water tension were observed from October to April (summer), and became steady after May (in the beginning of winter). In the grass native field, most of the time, the greatest soil water content was observed at a depth of 0.10 m followed by depths of 0.70 and 0.30 m, respectively. During dry periods, the greatest soil water content was observed at a depth of 0.70 m, followed by depths of 0.10 and 0.30 m, respectively. In the forest, except for rainy periods, the greatest content of the soil water occurred at a depth of 0.70 m. For the conditions of this study, the total storage of water in the soil was 31.05% greater in the native forest than in the native field.

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Section: Resultssupporting

confidence: 92%

Effect of vegetation and seasons on the water content of soil climatic conditions of the Atlantic Forest in Southern Brazil

Feltrin¹,

Paiva²,

Paiva³

et al. 2012

21st Century Watershed Technology: Improving Water Quality and Environment Conference Proceedings, May 27-June 1, 2012, Bari, I

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Section: Hydrus-1d Modelmentioning

confidence: 99%

“…HYDRUS-1D (version 4.17) was used by Feltrin et al (2013) to simulate the dynamic of water in the soil, in an area under vegetation cover in a native field. Feltrin et al (2013) compared the simulated results with results obtained in field measurements; they concluded that the results presented by the program are compatible with the drainage obtained in a lysimeter. Zhang et al (2017) applied the SINMAP model to Zhouqu County, successfully identifying areas susceptible to landslides, and determined the saturated hydraulic conductivity for use in the model, using the HYDRUS-1D software.…”

Section: Hydrus-1d Modelmentioning

confidence: 99%

Combined analysis of landslide susceptibility and soil water dynamics in a metropolitan area, northeast Brazil

Melo¹,

Guedes²,

Amorim³

et al. 2021

S&R

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Landslide susceptibility and water balance in the soil, in the community of Lagoa Encantada, Recife Metropolitan Area, Brazil, were assessed using the computational models SINMAP and HYDRUS-1D. The SINMAP input parameters were the physical and hydrodynamic characteristics of the soil, evidence of landslides and the DEM; and for the HYDRUS-1D model, the hydraulic parameters of the soil. For both programs, simulations were also carried out, based on the rain recorded in the area. The soil was classified using the Unified Soil Classification System (USCS). To assess infiltration processes that cause landslides, HYDRUS-1D was used, under the same scenarios simulated by the SINMAP model and also in the evaluation of the infiltrated volume, in real landslides. The SINMAP results (susceptibility maps) show a 71% increase in the susceptible area (SI < 1; SI = stability index) between the two precipitation scenarios, and are consistent with evidence of landslides. The HYDRUS-1D results complement SINMAP results and suggest that infiltration values for simulated scenarios were similar to those of real landslides. It is concluded that it is possible to map areas of greater instability and to predict possible landslides in different precipitation scenarios, by quantitatively assessing the infiltrated volume that contributes to the destabilization of the soil.

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“…In order to achieve the optimal irrigation application and to maximize its efficiency, it is necessary to know the precise amount of water required by the crop for its specific development conditions [4,8]. These water requirements can be estimated accurately through a water balance, which quantifies the input and output flows of the soil profile in the crop root zone [8][9][10]; in addition, a water balance helps to reduce water losses and to diagnose the irrigation method itself [11].…”

Section: Introductionmentioning

confidence: 99%

Estimation of the Evapotranspiration and Crop Coefficients of Bell Pepper Using a Removable Weighing Lysimeter: A Case Study in the Southeast of Spain

et al. 2021

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Water use efficiency is essential in semiarid regions of Spain, and it can be achieved through a precise knowledge of the real crop water requirements (CWR). The Food and Agriculture Organization of the United Nations (FAO) offers standardized crop coefficients to establish the CWR. However, these coefficients can change due to different conditions, such as climatic variations and cultivation practices. In this work, the evapotranspiration (ETClys) and crop coefficients (KClys) of bell pepper were obtained with a compact removable weighing lysimeter between February and August for two crop seasons (2019 and 2020). ETClys was determined from the water balance, and the KClys values were determined as the ratio of the crop evapotranspiration, measured on the removable weighing lysimeter, and the reference evapotranspiration. The KClys average values for the bell pepper in the initial, middle, and final stages were 0.57, 1.06, and 0.80, respectively. KC regression models were obtained as a function of the fraction thermal units, achieving a maximum correlation of 0.67 (R2). In general, the KC values obtained in this research work were lower in the initial and in the final stages and larger in the middle stage in comparison with the FAO-56 values and other research works values in semiarid conditions. The bell pepper yield increased by 7.72% in 2019 and by 3.49% in 2020 compared to the yield reported by the Ministry of the Environment and Rural and Marine Areas of the Spanish Government in 2019 and with a minimum water loss through drainage. The results in this work can help farmers to determine the crop water requirements and to improve the system efficiency in semiarid locations with similar conditions to those in the study.

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Lysimeter soil water balance evaluation for an experiment developed in the Southern Brazilian Atlantic Forest region

Cited by 14 publications

References 17 publications

Effect of vegetation and seasons on the water content of soil climatic conditions of the Atlantic Forest in Southern Brazil

Effect of vegetation and seasons on the water content of soil climatic conditions of the Atlantic Forest in Southern Brazil

Combined analysis of landslide susceptibility and soil water dynamics in a metropolitan area, northeast Brazil

Estimation of the Evapotranspiration and Crop Coefficients of Bell Pepper Using a Removable Weighing Lysimeter: A Case Study in the Southeast of Spain

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