Results 261 to 270 of about 977,162 (304)

Drought Risk in Mango and Avocado Orchards: Insights Into Plant Water Relations and Irrigation‐Related Agronomic Solutions

Irrigation and Drainage, EarlyView.
ABSTRACT Climate change is making water availability more uncertain, with growing consequences for the productivity and long‐term sustainability of tropical and subtropical fruit orchards. Mangifera indica L. and Persea americana Mill. both require large amounts of water to sustain growth and productivity.
Eleonora Cataldo
wiley   +1 more source

A Holistic Assessment of Water Footprint and Irrigation Performance Indicators With Respect to Agricultural Water Productivity

Irrigation and Drainage, EarlyView.
ABSTRACT Global warming has intensified prolonged droughts in many regions, including Türkiye, resulting in growing pressure on already limited water resources. Agriculture, as the largest water‐consuming sector, faces critical challenges in sustaining productivity under increasing water scarcity. In this context, assessing water use efficiency through
Elifnaz Torun, Belgin Çakmak
wiley   +1 more source

Another Extreme Drought Hits the Amazon

, 2010
openaire   +1 more source

A Coupled AquaCrop–Richards Model for Improved Crop Yield Prediction Through Physically Based Soil Water Dynamics

Irrigation and Drainage, EarlyView.
ABSTRACT Crop modelling is essential for agricultural water management but often relies on simplified water balance routines that limit representation of soil moisture dynamics. To address this limitation, we developed a coupled model that integrates the 1‐D Richards equation, solved using a finite difference method into the FAO AquaCrop.
Krishna Panthi, Vidya Samadi, Carlos Toxtli   +2 more
wiley   +1 more source

On‐Farm Demonstration and Economic Evaluation of an IoT Sensing System for Irrigation Management in South Carolina

Irrigation and Drainage, EarlyView.
ABSTRACT Irrigation can strongly influence agricultural productivity and sustainability. While sensor‐based irrigation has the potential to improve yield, reduce input costs and enhance resource‐use efficiency, its adoption in commercial agriculture remains limited.
J. O. Payero, U. Sekaran, D. B. Turner, S. Selvalakshmi, M. W. Marshall, N. Smith, J. Croft, A. S. Hill, R. Hitchcock‐Davis   +8 more
wiley   +1 more source

Remote Sensing for Irrigation Water Management—The State of the Art and Prospects for Near‐Future Operations

Irrigation and Drainage, EarlyView.
ABSTRACT A recent UN report describes many regions as facing ‘water bankruptcy,’ a condition in which available water resources can no longer meet existing demands. In practice, this means irrigation will likely bear the greatest burden of future water‐use reductions, a complicated and fraught decision to make given its critical role in food security ...
Wim G. M. Bastiaanssen, Chris Perry, Royce Dalby, Yasir Mohamed, Xueliang Cai, Poolad Karimi, IJsbrand de Jong, Pasquale Steduto, Marat Beksultanov, Christopher C. M. Neale, David Molden, Waqas Awan, Laarousi Mohamed, Jippe Hoogeveen, Jeff Davids, Nutchanart Sriwongsitanon, P. S. Rao, Roula Bachour, Palitha Bandara, Sophea Chhim, Richard Evans, Tom Lahad, D. Nagesh Kumar, Zakaria Adawy, Devendra Singh Bundela, Kawa Hakzi, Isaya Kisekka, Nicolas Puelma, Alejandro A. Pannunzio, Benjamin Koetz, Mukhiddin Ibragimov   +30 more
wiley   +1 more source

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A joint extreme index for compound droughts and hot extremes

Theoretical and Applied Climatology, 2020
The past decades have witnessed a surge in the study of compound droughts and hot extremes, which are among the most stressful weather and climate extremes with disastrous impacts. A suitable tool for tracking properties of compound droughts and hot extremes taking into account their dependence is desirable.
Zengchao Hao, Fanghua Hao, Vijay P. Singh, Wei Ouyang, Xuan Zhang, Silong Zhang   +5 more
openaire   +1 more source

A stochastic analysis of extreme droughts

Water Resources Research, 1975
A stochastic analysis is performed on the extreme drought duration defined to be the maximum dry interval for a point rainfall process. The assumptions underlying previous analyses are generalized to those of a nonhomogeneous Poisson process. Analytical results, which seem intractable in general, are derived for two particular forms of the intensity ...
Vijay K. Gupta, Lucien Duckstein
openaire   +1 more source

Extreme drought deactivates ABA biosynthesis

2022
The phytohormone abscisic acid (ABA) is synthesized by plants during drought to close stomata and regulate desiccation tolerance pathways. In conifers and a few angiosperms with embolism resistant xylem a peaking-type (p-type) response in ABA levels has been observed, in which ABA levels increase early in drought then decrease as ...
Joel A. Mercado-Reyes, Scott McAdam
openaire   +1 more source

On the Extreme Streamflow Drought Analysis

Water Resources Management, 2002
A procedure, based on the distribution of the largest streamflowdrought deficit and on the composite hydrograph recession curve, is proposed for the derivation of the n-year streamflow drought,for the cases for which the assumption of identical deficit and duration frequencies is not valid, for a given river at a given location.The present article is a
openaire   +1 more source