Spatio-temporal patterns of energy exchange and evapotranspiration during an intense drought for drylands in Brazil

Santos, Carlos Antônio Costa dos; Mariano, Denis; Nascimento, Francisco das Chagas Araújo do; Dantas, Fabiane Regina da Cunha; Oliveira, Gabriel de; Silva, Madson Tavares; Silva, Lindenberg L. da; Silva, Bernardo Barbosa da; Bezerra, Bergson Guedes; Safa, Babak; Medeiros, Salomão de Sousa; Neale, Christopher M. U.

doi:10.1016/j.jag.2019.101982

Cited by 31 publications

(33 citation statements)

References 60 publications

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“…Several models are dedicated to estimate the downwelling longwave radiation; Allen et al (2007), Allen et al (2011), andSantos et al (2020) recommend the expression employed in Bastiaanssen et al (1998). Silva et al (2015) evaluated nine models of downwelling longwave radiation at the Mogi Guaçu watershed (a subtropical Brazilian basin), and found that the model of Duarte et al (2006) presented the best performance on the basis of mean errors.…”

Section: Introductionmentioning

confidence: 99%

The use of remote sensing for reliable estimation of net radiation and its components: a case study for contrasting land covers in an agricultural hotspot of the Brazilian semiarid region

Ferreira

Silva

Moura

et al. 2020

Agricultural and Forest Meteorology

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Section: Introductionmentioning

confidence: 99%

The use of remote sensing for reliable estimation of net radiation and its components: a case study for contrasting land covers in an agricultural hotspot of the Brazilian semiarid region

Ferreira

Silva

Moura

et al. 2020

Agricultural and Forest Meteorology

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“…In temperate forest regions, for example, ET returns 71% of the precipitation to the atmosphere (Miralles et al, 2011). Using ET data derived from remote sensing or modeling, studies have been exploring the consequences of climate and LULC change on the dynamics of ET (Dias et al, 2015;Spera et al, 2016;Poon and Kinoshita, 2018;Paca et al, 2019;Qu and Zhuang, 2019;dos Santos et al, 2020). Wang et al (2019) analyzed the spatiotemporal variability of ET over a Chinese catchment that has experienced strong climate and LULC changes.…”

Section: Introductionmentioning

confidence: 99%

Evapotranspiration Intensification Over Unchanged Temperate Vegetation in the Baltic Countries Is Being Driven by Climate Shifts

Montibeller¹,

Jaagus²,

Mander³

et al. 2021

Front. For. Glob. Change

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Shifts in climate driven by anthropogenic land use and land cover change are expected to alter various land–atmosphere interactions. Evapotranspiration (ET) is one of these processes and plays a fundamental role in the hydrologic cycle. Using gridded reanalysis and remote sensing data, we investigated the spatiotemporal trends of precipitation, temperature, and ET for areas in the Baltic countries Lithuania, Latvia and Estonia where the land cover type had not changed from 2000 to 2018. We focused on ET but investigated the spatiotemporal trends for the three variables at monthly, seasonal, and annual time scales during this period to quantify trade-offs among months and seasons. We used the Mann-Kendall test and Sen’s slope to calculate the trends and rate of change for the three variables. Although precipitation showed fewer statistically significant increasing and decreasing trends due to its high variability, temperature showed only increasing trends. The trends were concentrated in late spring (May, +0.14°C annually), summer (June and August, +0.10°C), and early autumn (September, +0.13°C). For unchanged forest and cropland areas, we found no statistically significant ET trends. However, Sen’s slope indicated increasing ET in April, May, June, and September for forest areas and in May and June for cropland. Our results indicate that during the study period, the temperature changes may have lengthened the growing season, which affected the ET patterns of forest and cropland areas. The results also provide important insights into the regional water balance and complement the findings of other studies.

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“…Growing water scarcity can be defined as the imbalance between high demand due to population growth and economic development and low availability of water that can occur due to the effects of climate change (Santana et al, 2019;Benites-Lazaro et al, 2020). The Brazilian semiarid region undergoes constant changes in land use due to deforestation and high seasonality of water, represented among other variables by the decline in soil moisture content (Queiroz et al, 2020;Santos et al, 2020).…”

Section: Introductionmentioning

confidence: 99%

Variations in soil water replacement levels promote changes in forage cactus mineral composition and biomass productivity

et al. 2020

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Population growth and the need to exploit natural resources to produce food and guarantee food sovereignty reduce water availability, which can influence nutrient absorption capacity and production of plants. This study evaluated whether variations in soil water replacement levels promote changes in the mineral composition and biomass productivity of forage cactus varieties. A field experiment was conducted in a randomized block design with five levels of reference evapotranspiration replacement (25, 50, 75, 100 and 125% ETo) and three replicates. Contents of the macronutrients N, P, K, Ca, Mg and S; micronutrients Cu, Fe, Mn, Zn, Cl, Na and B; and biomass productivity were quantified in two varieties of forage cactus (‘Orelha de Elefante Mexicana’ and ‘Miúda’). The data were subjected to principal component and multivariate variance analysis. The mineral composition of the forage cactus varieties ‘Miúda’ and ‘Orelha de Elefante Mexicana’ can be optimized from soil water management, so as to obtain adequate nutritional balance for higher yield. The replacement level of 75% ETo promoted greater balance between nutrients in the cladodes of the forage cactus variety ‘Miúda’, while ‘Orelha de Elefante Mexicana’ had better nutritional balance with the replacement levels of 100 and 125% ETo. Soil water replacement levels of 100 and 125% ETo promote high accumulation of Na+ and Cl- ions in the cladodes of the forage cactus varieties studied. Highest biomass productivity of the varieties ‘Orelha de Elefante Mexicana’ and ‘Miúda’ was obtained with 75 and 100% ETo replacement levels, respectively. Among the varieties, ‘Orelha de Elefante Mexicana’ had a higher capacity for nutrient accumulation and biomass productivity, followed by ‘Miúda’, under the edaphoclimatic conditions of the Brazilian semiarid region.

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Spatio-temporal patterns of energy exchange and evapotranspiration during an intense drought for drylands in Brazil

Cited by 31 publications

References 60 publications

The use of remote sensing for reliable estimation of net radiation and its components: a case study for contrasting land covers in an agricultural hotspot of the Brazilian semiarid region

The use of remote sensing for reliable estimation of net radiation and its components: a case study for contrasting land covers in an agricultural hotspot of the Brazilian semiarid region

Evapotranspiration Intensification Over Unchanged Temperate Vegetation in the Baltic Countries Is Being Driven by Climate Shifts

Variations in soil water replacement levels promote changes in forage cactus mineral composition and biomass productivity

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