Results 61 to 70 of about 77,578 (312)

Evapotranspiration and Crop Coefficient for Haricot Bean (Phaseolus vulgaris L.) Using Nonweighing Lysimeter Under Semiarid Climate of Melkassa, Ethiopia

Advances in Meteorology
The primary objective of irrigated agriculture is to produce crops with the help of irrigation. This field study was conducted during the 2017 and 2018 cropping seasons at the experimental farmland of Melkassa Agricultural Research Center, Ethiopia.
Tatek Wondimu Negash, Gobena Dirirsa Bayisa, Abera Tesfaye Tefera   +2 more
doaj   +1 more source

Relationship between crop coefficient and soil evaporation in forage grassland under sprinkler irrigation in Lhasa Valley

Guan'gai paishui xuebao
【Objective】 Crop coefficient and soil evaporation are two important parameters for calculating evapotranspiration in terrestrial ecosystems but they are dependent on many factors.
XU Bing, LI Xiang, ZHANG Zisen, REN Jie, LI Zekun   +4 more
doaj   +1 more source

Hydrological Alteration Index as an Indicator of the Calibration Complexity of Water Quantity and Quality Modeling in the Context of Global Change [PDF]

, 2019
Modeling is a useful way to understand human and climate change impacts on the water resources of agricultural watersheds. Calibration and validation methodologies are crucial in forecasting assessments.
Bodoque, José María, Cakir, Roxelane, Grusson, Youen, Gómiz Pascual, Juan Jesús, Lechuga-Crespo, Juan Luis, Meaurio, Maite, Navarro, Enrique, Paredes-Arquiola, Javier, Raimonet, Mélanie, Roset, Laure, Sauvage, Sabine, Sevilla-Callejo, Miguel, Sánchez-Pérez, José Miguel   +12 more
core   +6 more sources

Intensification of Flash and Long‐Term Droughts in the Danube River Basin: A Multi‐Scale Analysis Using Satellite‐Derived Evaporative Stress Index and Soil Water Index

International Journal of Climatology, EarlyView.
Analysed drought intensification in the Danube using Evaporative Stress Index (ESI) and Soil Water Index (SWI). Flesh drought detection: developed thresholds for rapid drought detection using ESI‐4Wk and SWI‐40. Multi‐layer analysis: combined atmospheric stress and soil moisture to assess drought impacts.
Vera Potopová, Tudor Trifan
wiley   +1 more source

Studies on Evapotranspiration from Crops

Journal of Agricultural Meteorology, 1987
The problems are whether evapotranspiration (ET) from paddy field would be affected by growth stage and by rice varieties, and whether the radiation method and Priestley-Taylor method for estimating ET would be applicable to paddy field.ET was measured with microlysimeter (Tomar and O'Toole, 1980A) at the eight test plots (N1-N8) in which cultivar ...
openaire   +2 more sources

The green, blue and grey water footprint of crops and derived crop products [PDF]

, 2010
This study quantifies the green, blue and grey water footprint of global crop production in a spatially-explicit way for the period 1996–2005. The assessment improves upon earlier research by taking a high-resolution approach, estimating the water ...
Hoekstra, A.Y., Mekonnen, M.M.
core   +4 more sources

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

Estimation of maize evapotraspiration under drought stress - A case study of Huaibei Plain, China.

PLoS ONE, 2019
Given the importance and complexity of crop evapotranspiration estimation under drought stress, an experiment tailored for maize under drought stress was completed using six sets of large-scale weighing lysimeters at the Xinmaqiao Comprehensive ...
Hongwei Yuan, Yi Cui, Shaowei Ning, Shangming Jiang, Xianjiang Yuan, Guangmin Tang   +5 more
doaj   +1 more source

Evaluation of crop water demand for sustainable crop production using geospatial tools in a canal command of West Bengal

Journal of Agrometeorology, 2019
The agricultural sector is the primary consumer of water resources around the world, and the need for additional food production for growing population further exerts more pressure on water resources.
Laishram Kanta Singh, Madan K. Jha, V.M. Chowdary, Srikanta Sannigrahi   +3 more
doaj   +1 more source

Compound Hot‐Dry Days (CHDDs) and Their Implications on Maize Yields in the Free State Province, South Africa

International Journal of Climatology, EarlyView.
Compound hot‐dry events occurring during the maize growing period are increasing significantly (p < 0.05) with time, with the median values ranging from 93 to 120 days. El Niño Southern Oscillation (ENSO) influences the variability of compound hot‐dry events with high significance (p < 0.05) positive Pearson correlation.
Mokhele Moeletsi, Mitsuru Tsubo
wiley   +1 more source