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References50
Newest
Published on Apr 26, 2018in Water 2.52
Paula Paredes18
Estimated H-index: 18
,
G. Rodrigues1
Estimated H-index: 1
+ 3 AuthorsLuis S. Pereira51
Estimated H-index: 51
This study aims to model the impacts of the frequency of cuttings of Tifton 85 bermudagrass on the dynamics of evapotranspiration (ETc) and to derive crop coefficients appropriate for grass water management. Two seasons of experimentation were used with four different cutting treatments which provided field data for calibration and validation of the soil water balance model SIMDualKc for all treatments. Cuttings were performed after the cumulative growth degree days (CGDD) attained 124 °C, 248 °...
3 Citations Source Cite
Published on Dec 1, 2017in Grass and Forage Science 1.81
Anna Carolina Cerato Confortin5
Estimated H-index: 5
,
Fernando Luiz Ferreira de Quadros11
Estimated H-index: 11
(UFSM: Universidade Federal de Santa Maria)
+ 3 AuthorsB. S. R. Ribeiro1
Estimated H-index: 1
(UFSM: Universidade Federal de Santa Maria)
Leaf tissue fluxes of five Pampa biome grasses (Andropogon lateralis, Aristida laevis, Axonopus affinis, Paspalum notatum and Paspalum plicatulum) were evaluated in a natural pasture under rotational stocking with heifers in the spring and summer from October 2010 to April 2011. The experimental design was completely randomized, with two grazing intervals, defined by thermal sums of 375 and 750 degree-days, and the five grass species. The evaluated species had a higher growth flux and balance be...
1 Citations Source Cite
Published on Jun 16, 2017in Journal of Geophysical Research 3.23
Justin E. Bagley8
Estimated H-index: 8
(LBNL: Lawrence Berkeley National Laboratory),
Lara M. Kueppers20
Estimated H-index: 20
(University of California, Berkeley)
+ 3 AuthorsMargaret S. Torn54
Estimated H-index: 54
(University of California, Berkeley)
Author(s): Bagley, JE; Kueppers, LM; Billesbach, DP; Williams, IN; Biraud, SC; Torn, MS | Abstract: © 2017. American Geophysical Union. All Rights Reserved. Land-atmosphere interactions are important to climate prediction, but the underlying effects of surface forcing of the atmosphere are not well understood. In the U.S. Southern Great Plains, grassland/pasture and winter wheat are the dominant land covers but have distinct growing periods that may differently influence land-atmosphere coupling...
8 Citations Source Cite
Published on Oct 1, 2016in Agricultural and Forest Meteorology 4.19
Aikaterini Trepekli1
Estimated H-index: 1
(DUTH: Democritus University of Thrace),
G. Loupa9
Estimated H-index: 9
(DUTH: Democritus University of Thrace),
S. Rapsomanikis15
Estimated H-index: 15
(DUTH: Democritus University of Thrace)
Abstract A hydrological year of evapotranspiration ( ET ) and energy exchanges, for a coastal grassland in the Mediterranean-climate of Greece, are reported. Throughout the growing season, available energy ( R net -G ) was transformed to latent heat flux by 67% while during the senescence period the turbulent exchange was dominated by sensible heat flux accounting for 80.42% of ( R net -G ). Evapotranspiration reached maxima of 8.2 mm d −1 in July while it was negligible during winter. The annua...
9 Citations Source Cite
Published on Oct 1, 2016in Boundary-Layer Meteorology 3.15
Luca Mortarini8
Estimated H-index: 8
,
Michel Baptistella Stefanello3
Estimated H-index: 3
(UFSM: Universidade Federal de Santa Maria)
+ 3 AuthorsD. Anfossi20
Estimated H-index: 20
Investigation of low-wind cases observed during the Urban Turbulent Project campaign (Torino, Italy) and at the Santa Maria meteorological station (Santa Maria, Brazil) provides insight into the wind-meandering phenomenon, i.e. large, non-turbulent oscillations of horizontal wind speed and temperature. Meandering and non-meandering cases are identified through analysis of the Eulerian autocorrelation functions of the horizontal wind-velocity components and temperature. When all three autocorrela...
14 Citations Source Cite
Published on Apr 30, 2016in Hydrological Processes 3.19
Giulia Zuecco9
Estimated H-index: 9
(UNIPD: University of Padua),
Daniele Penna17
Estimated H-index: 17
(Free University of Bozen-Bolzano)
+ 1 AuthorsH J van Meerveld12
Estimated H-index: 12
(UZH: University of Zurich)
This study presents a versatile index for the quantification of hysteretic loops between hydrological variables at the runoff event timescale. The conceptual development of the index is based on a normalization of the input data and the computation of definite integrals at fixed intervals of the independent variable. The sum, the minimum and the maximum of the differences between integrals computed for the rising and the falling curves provide information on the direction, the shape and the exte...
21 Citations Source Cite
Published on Dec 1, 2015in Agricultural and Forest Meteorology 4.19
Yan Bai1
Estimated H-index: 1
(Lanzhou University),
Gaofeng Zhu14
Estimated H-index: 14
(Lanzhou University)
+ 6 AuthorsLili Feng1
Estimated H-index: 1
(Lanzhou University)
Canopy conductance (g(c)) is a key parameter that determines plant transpiration rate, and it is sensitive to multiple environmental variables. The relationships between g(c), and micrometeorological variables still need to be investigated across a wide range of biomes and climatic conditions. In this study, sap flow, micrometeorological and biological factors for a vineyard at an oasis in Northwest China were measured from July to September in 2013 and 2014. Values of g(c) were calculated from ...
12 Citations Source Cite
Published on Nov 1, 2015in Rangeland Ecology & Management 1.95
Leandro Bittencourt de Oliveira4
Estimated H-index: 4
(UFSM: Universidade Federal de Santa Maria),
Émerson Mendes Soares3
Estimated H-index: 3
(UFSM: Universidade Federal de Santa Maria)
+ 5 AuthorsFernando Luiz Ferreira de Quadros11
Estimated H-index: 11
(UFSM: Universidade Federal de Santa Maria)
Abstract Fertilization can affect vegetation dynamics and natural grassland diversity. This study evaluated the vegetation dynamics of a natural grassland 16 years after the initial fertilization, discussing the long-term effects of addition of triple superphosphate (TP) or Gafsa rock phosphate (RP) sources, as well as the effect of exotic species introduction on the inter seasonal dynamic of floristic composition. Phosphate (P) was applied in 1997, 1998, 2002, 2010, and 2012 at the quantities o...
3 Citations Source Cite
Published on Oct 1, 2015in Ecohydrology 2.56
Nithya Rajan13
Estimated H-index: 13
(A&M: Texas A&M University),
Stephan J. Maas19
Estimated H-index: 19
(TTU: Texas Tech University),
Song Cui6
Estimated H-index: 6
(MT: Middle Tennessee State University)
We investigated the impact of the 2011 severe drought on summer evapotranspiration (ET) and energy partitioning of a managed Old World bluestem grassland in the Southern Great Plains and compared the results with those from 2010, a hydrologically wet year. Measurements of CO2, latent heat (LE), and sensible heat (H) fluxes were made using an eddy covariance flux tower. In 2010, the total precipitation received during the summer months (June–August) was 82% above the 9-year average precipitation,...
9 Citations Source Cite
Published on Sep 1, 2015in Journal of Hydrology: Regional Studies
O. M. R. Cabral17
Estimated H-index: 17
(Empresa Brasileira de Pesquisa Agropecuária),
Humberto Ribeiro da Rocha29
Estimated H-index: 29
(USP: University of São Paulo)
+ 2 AuthorsM. A. V. Ligo8
Estimated H-index: 8
(Empresa Brasileira de Pesquisa Agropecuária)
Abstract Study region The area of woodland savanna (cerrado) is located in southeast Brazil (21°36′ to 44′ S, 47°34′ to 41′ W). Study focus The cerrado sensu-stricto savanna evapotranspiration was observed using the eddy-covariance method over three years. New hydrological insights for the region The first year total rainfall ( R = 1664 mm) was 11% above the long-term rainfall (1498 mm) and the total evapotranspiration (ET = 1242 mm) and water equivalent of available energy ( A v = 1835 mm) were...
12 Citations Source Cite
Cited By1
Newest
Published on Jun 12, 2019in Water 2.52
M.R. Cameira11
Estimated H-index: 11
,
Luis S. Pereira51
Estimated H-index: 51
The main challenge faced by agriculture is to produce enough food for a continued increase in population, however in the context of ever-growing competition for water and land, climate change, droughts and anthropic water scarcity, and less-participatory water governance. Such a context implies innovative issues in agricultural water management and practices, at both the field and the system or the basin scales, mainly in irrigation to cope with water scarcity, environmental friendliness, and ru...
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