Results 41 to 50 of about 10,379 (196)

Estimation of crop water requirements: extending the one-step approach to dual crop coefficients [PDF]

Hydrology and Earth System Sciences, 2015
Crop water requirements are commonly estimated with the FAO-56 methodology based upon a two-step approach: first a reference evapotranspiration (ET0) is calculated from weather variables with the Penman–Monteith equation, then ET0 is multiplied by a ...
J. P. Lhomme, N. Boudhina, M. M. Masmoudi, A. Chehbouni   +3 more
doaj   +1 more source

Métodos de estimativa da evapotranspiração de referência diária para a microrregião de Garanhuns, PE. [PDF]

, 2017
Para o manejo da irrigação com alta frequência e com base em dados climáticos, é desejável que a estimava da evapotranspiração de referência seja feita para pequenos intervalos de tempo.
ANDRADE, C. L. T., ANJOS, R. J., BORGES JÚNIOR, J. C. F., LIMA, J. R. S., SILVA, T. J. A.   +4 more
core   +1 more source

АДАПТАЦІЯ МЕТОДУ «PENMAN – MONTEITH» ЗА КРАПЛИННОГО ЗРОШЕННЯ ЯБЛУНІ НА ПІДЩЕПІ М-9 В УМОВАХ СТЕПУ УКРАЇНИ

Меліорація і водне господарство, 2019
Оптимізація режимів краплинного зрошення інтенсивних яблуневих садів є основою агротехнології їх вирощування з урожайністю плодів понад 50 т/га. Існує багато різнопланових методів керування режимами зрошення сільськогосподарських культур, які дають змогу
F. A. Minza, A. P. Shatkovskyi, O. V. Zhuravlov   +2 more
doaj   +1 more source

PERFORMANCE OF ESTIMATIVE MODELS FOR DAILY REFERENCE EVAPOTRANSPIRATION IN THE CITY OF CASSILÂNDIA, BRAZIL [PDF]

Engenharia Agrícola, 2017
Before choosing the method of the estimate of reference evapotranspiraton (ET0) in a region, it is important to evaluate the degree of precision of the model.
Fernando F. da Cunha, Fernando F. Magalhães, Marco A. de Castro, Epitácio J. de Souza   +3 more
doaj   +2 more sources

Simple daily ET0 estimation techniques [PDF]

, 2008
A reliable estimation of the reference evapotranspiration (ET0) is of critical importance for irrigation systems' design. The goals of this research are: firstly, comparison of the evaporation methods, and secondly, analysis whether the evaporation of a ...
Stojnić Vladimir, Trajković Slaviša
core   +1 more source

Post‐Processed CMIP6 Climate Projections for Hydro‐Environmental Risk Assessment in the Middle East and Central Asia

International Journal of Climatology, EarlyView.
Estimating water resources is important for regional climate impact analysis and risk estimation. The Middle East and Central Asia have largely reached the limit of sustainably usable water across their river basins and ecosystems. Strategies designed to mitigate environmental risks require a reliable estimation of water availability trends.
Paolo Reggiani, Amal Talbi, Oleksiy Boyko, Poolad Karimi, Ezio Todini   +4 more
wiley   +1 more source

Evaluation of Valiantzas’ Simplified Forms of the FAO-56 Penman-Monteith Reference Evapotranspiration Model in a Humid Climate

Journal of Irrigation and Drainage Engineering, 2017
AbstractThe unavailability of some meteorological variables, especially solar radiation and wind speed, is the main constraint for reference evapotranspiration (ETo) estimation using the standard U...
Djaman, Koffi, Rudnick, Daran, Mel, Valere C., Mutiibwa, Denis, Diop, Lamine, Sall, Mamadou, Kabenge, Isa, Bodian, Ansoumana, Tabari, Hossein, Irmak, Suat   +9 more
openaire   +3 more sources

The coordination of dehydration tolerance and avoidance in oaks is mediated by leaf habit across a precipitation gradient

Functional Ecology, EarlyView.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Forests worldwide are increasingly impacted by drought due to climate change, prompting plants to adapt through dehydration tolerance (DT) and avoidance (DA), two distinct physiological strategies.
Xingyun Liang, Bo Cui, Xiaoyi Wang, Hui Liu, Pengcheng He, Deyi Yin, Weize Tang, Yangsiding Wang, Liangning Liao, Qiang Xia, Guilin Wu, Qing Ye   +11 more
wiley   +1 more source

Evaluating the performance of reference evapotranspiration equations with scintillometer measurements under Mediterranean climate and effects on olive grove actual evapotranspiration estimated with FAO-56 water balance model [PDF]

, 2014
The concept of reference potranspiration is widely used to support water resource management in agriculture and for irrigation scheduling, especially under arid and semi-arid conditions.
Cammalleri, C, CIRAOLO, Giuseppe, MINACAPILLI, Mario, PROVENZANO, Giuseppe, RALLO, Giovanni   +4 more
core  

Reference crop evapotranspiration derived from geo-stationary satellite imagery: a case study for the Fogera flood plain, NW-Ethiopia and the Jordan Valley, Jordan [PDF]

First results are shown of a project aiming to estimate daily values of reference crop evapotranspiration ET0 from geo-stationary satellite imagery. In particular, for Woreta, a site in the Ethiopian highland at an elevation of about 1800 m, we tested a ...
Bruin, H.A.R., de, Enku, N.T., Gieske, A.S.M., Jitan, M.A., Tol, C., van der, Trigo, I.F.   +5 more
core   +1 more source