Results 51 to 60 of about 12,619 (208)

Calibration of alternative equations to estimate the reference evapotranspiration in Nova Venécia, Espírito Santo, Brazil

Agronomía Colombiana, 2023
The estimation of the reference evapotranspiration is fundamental in defining irrigation projects. However, an estimation using the standard equation requires climate variables that are difficult to measure and are not very accessible.
Gabriel Fornaciari, Rodrigo Amaro de Salles, Evandro Chaves de Oliveira, Mylena da Silva Gomes, Edinei José Armani Borghi, Marta Cristina Teixeira Leite, Ramon Amaro de Sales, Robson Prucoli Posse   +7 more
doaj   +1 more source

Estimation of Evapotranspiration ill a Rice Irrigation Scheme in Peninsular Malaysia [PDF]

, 2005
The correct estimation of ET in the water balance equation allows for improved water management in rice cultivation. Eight evapotranspiration estimation methods (Penman, Penman-Monteith, Pan Evaporation, Kimberly-Penman, Priestley-Taylor, Hargreaves ...
Haque, Md. Aminul, Huang, Yuk Feng, Lee, Teang Shui, Mohamed Najim, Mohamed Mujithaba   +3 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

Prediction of Evapotranspiration from Grape Vines in Suwon with the FAO Penman-Monteith Equation [PDF]

Korean Journal of Agricultural and Forest Meteorology, 2009
Food and Agricultural Organization (FAO) Penman-Monteith (PM) equation is one of the most widely used equations for predicting evapotranspiration (ET) of crops. The ET rate and the base crop coefficients (Kcb) of the two different grape vines (i.e., Campbell Early and Kyoho) cultivated in Suwon were calculated by using the FAO PM equation.
Seok-Kyu Yun, Seung-Oh Hur, Seung-Heui Kim, Seo-Jun Park, Jeong-Bae Kim, In-Myung Choi   +5 more
openaire   +1 more source

Towards Water, Food and Energy Security: The Global Challenges and Possible Solutions for a Holistic Vision of Sustainability

Irrigation and Drainage, EarlyView.
ABSTRACT This invited paper gives an overview of the challenges the world is facing and offers a possible solution for water and food security within the holistic integrated concept of the water–energy–food (WEF) nexus. The paper summarizes the experience the author gained through working on various research projects at national and international ...
Ragab Ragab
wiley   +1 more source

Modelling Canopy Actual Transpiration in the Boreal Forest with Reduced Error Propagation

Atmosphere, 2020
The authors have developed a scaling approach to aggregate tree sap flux with reduced error propagation in modeled estimates of actual transpiration () of three boreal species.
M. Rebeca Quiñonez-Piñón, Caterina Valeo   +1 more
doaj   +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

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

Effect of local calibration on the performance of the Hargreaves reference crop evapotranspiration equation

Journal of Water and Climate Change, 2021
Obtaining accurate estimates of reference crop evapotranspiration (ET0) using limited climatic inputs is essential in data-short situations where the preferred FAO-56 Penman–Monteith (PM) equation cannot be implemented.
S. Niranjan, Lakshman Nandagiri
doaj   +1 more source

Clearing the Air: How Fine Particulate Matter Regulations Reshape Farmland Values in U.S. Corn and Soybean Regions

Journal of Agricultural Economics, EarlyView.
ABSTRACT We investigate the impact of air quality regulations targeting fine particulate matter (PM2.5) on farmland values in corn and soybean producing counties in the United States over the period 1997–2022. Using self‐reported farmland value data from the Agricultural Census and county‐level pollution classifications provided by the Environmental ...
Cécile Couharde, Rémi Generoso
wiley   +1 more source