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Water
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More Holistic and Adaptive Decisions to Mitigate Climate Change Effects...
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More Holistic and Adaptive Decisions to Mitigate Climate Change Effects in Agricultural Water Resources Management

A special issue of Water (ISSN 2073-4441). This special issue belongs to the section "Water and Climate Change".

Deadline for manuscript submissions: 25 November 2024 | Viewed by 2428

Special Issue Editor

Dr. Nektarios N. Kourgialas

E-Mail Website
Guest Editor
Water Resources, Irrigation & Environmental Geoinformatics Lab, Institute for Olive Tree, Subtropical Plants and Viticulture, Directorate General of Agricultural Research, Hellenic Agricultural Organization “DIMITRA”, 73100 Chania, Greece
Interests: agricultural water management; climate-water effects; GIS/modelling approaches; hydrological extremes; precision agriculture
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Although agricultural water management is inherently challenging in a varying and uncertain natural and social environment, we now also have to deal with the effects of a rapidly changing climate.

Climate change affects many different components of our daily lives, putting pressure on our health and ability to grow food. Conditions such as rising sea levels and saltwater intrusion into coastal agricultural areas, prolonged droughts, or severe flooding have progressed to the point where entire communities have had to relocate and lose their farmland, putting people at risk of starvation. In the future, the number of climate refugees as well as the abandonment of agricultural land due to the effects of climate change on water resources will certainly increase.

This Special Issue seeks holistic and innovative planning as well adaptive examples of how to address these challenges. The aim is to bring together cases of applied original research in managing the challenges posed by climate change to agricultural water resources in terms of both quantity and quality.

Also, our intension is to contribute to the dialogue on how agricultural water resource managers can manage water more efficiently and sustainably in the face of expected changes in the hydrological cycle and their ecological/environmental and social-economic consequences.

Dr. Nektarios N. Kourgialas
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Water is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • droughts, floods, and water/soil erosion risk management
  • agricultural water adaptive practices
  • smart water supply systems
  • unconventional water sources and desalination
  • agricultural water–energy–food nexus
  • integrated management of water resources
  • communication for improving water management
  • geoinformatics in soil and water resources management

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Published Papers (2 papers)

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Research

14 pages, 5955 KiB  
Communication
A Holistic Irrigation Advisory Policy Scheme by the Hellenic Agricultural Organization: An Example of a Successful Implementation in Crete, Greece
by Nektarios N. Kourgialas
Water 2024, 16(19), 2769; https://doi.org/10.3390/w16192769 - 28 Sep 2024
Viewed by 786
Abstract
The aim of this communication article is to present a successful irrigation advisory scheme on the island of Crete (Greece) provided by the Hellenic Agricultural Organization (ELGO DIMITRA), which is well adapted to the different needs of farmers and water management agencies. The [...] Read more.
The aim of this communication article is to present a successful irrigation advisory scheme on the island of Crete (Greece) provided by the Hellenic Agricultural Organization (ELGO DIMITRA), which is well adapted to the different needs of farmers and water management agencies. The motivation to create this advisory scheme stems from the need to save water resources while ensuring optimal production in a region like Crete where droughts seem to occur more and more frequently in recent years. This scheme/approach has three different levels of implementation (components) depending on the spatial level and end-users’ needs. The first level concerns the weekly irrigation bulletins in the main agricultural areas of the island with the aim of informing farmers and local water managers about crop irrigation needs. The second level concerns an innovative digital web-based platform for the precise determination of the irrigation needs of Crete’s crops at a parcel level as well as optimal adaptation strategies in the context of climate change. In this platform, important features such as real-time meteorological information, spatial data on the cultivation type of parcels, validated algorithms for calculating crop irrigation needs, an accurate soil texture map derived from satellite images, and appropriate agronomic practices to conserve water based on cultivation and the geomorphology of a farm are considered. The third level of the proposed management approach includes an open-source Internet of Things (IoT) intelligent irrigation system for optimal individual parcel irrigation scheduling. This IoT system includes soil moisture and atmospheric sensors installed on the field, as well as the corresponding laboratory soil hydraulic characterization service. This third-level advisory approach provides farmers with specialized information on the automated irrigation system and optimization of irrigation water use. All the above irrigation advisory approaches have been implemented and evaluated by end-users with a very high degree of satisfaction in terms of effectiveness and usability. Full article
(This article belongs to the Special Issue More Holistic and Adaptive Decisions to Mitigate Climate Change Effects in Agricultural Water Resources Management)
►▼ Show Figures

Figure 1

Figure 1
<p>The four prefectures of Crete as well as the agricultural areas at parcel scale (1:250.000 scale).</p> Full article ">Figure 2
<p>The flow chart of the proposed irrigation advisory policy approach.</p> Full article ">Figure 3
<p>A demonstration example of a weekly informative irrigation bulletin (first component of the proposed framework).</p> Full article ">Figure 4
<p>A schematic representation of the free access digital irrigation management web platform at parcel scale: <a href="https://www.irrigation-crete.gr/" target="_blank">https://www.irrigation-crete.gr/</a> (accessed on 2 September 2024) (second component of the proposed framework).</p> Full article ">Figure 5
<p>The open-source Things Board IoT platform for data visualization.</p> Full article ">Figure 6
<p>(<b>A</b>): The installation of the IoT intelligent irrigation system in the field. <b>B</b>(<b>1</b>–<b>4</b>): The accompanied devices for laboratory analysis service to determine the critical hydraulic properties of the soils [(<b>B1</b>): undisturbed–saturated soil sample; (<b>B2</b>): KSAT device; (<b>B3</b>): HYPROP 2 device; and (<b>B4</b>): WP4c device] (third component of the proposed framework).</p> Full article ">
14 pages, 869 KiB  
Article
Managing Agricultural Water Resources in the Southern Region: Perspectives of Crop Growers
by Megan Donovan, Christina Chanes, Drew Gholson, Davie M. Kadyampakeni, Marilyn E. Swisher and Tiffany Connor
Water 2024, 16(13), 1841; https://doi.org/10.3390/w16131841 - 28 Jun 2024
Viewed by 1004
Abstract
The sustainability of agricultural commodities produced in the Southern U.S. under irrigation is increasingly at risk due to erratic rainfall patterns, inadequate water supplies and compromised water quality. This study assessed the needs of crop growers in the United States Department of Agriculture [...] Read more.
The sustainability of agricultural commodities produced in the Southern U.S. under irrigation is increasingly at risk due to erratic rainfall patterns, inadequate water supplies and compromised water quality. This study assessed the needs of crop growers in the United States Department of Agriculture (USDA) Southern Region. The purpose was to identify growers’ critical water resource management concerns to identify research priorities from the perspective of growers in this region. To obtain this information, a questionnaire was developed and distributed to growers throughout the Southern Region in 2020. The final sample included 111 crop (row and specialty) production growers from the Southern Region. Overall, respondents named the water available to irrigate as the greatest water resource management priority. Within all the water availability priorities asked, respondents’ first choice was declining water supply in the future. Declining water supply and the cost of irrigating presently were the next most frequently named water availability priorities. Growers named both increasing the efficiency of irrigation and development of farming practices to improve soil moisture retention as the primary and secondary focus of future irrigation research, respectively. These results will aid in strengthening existing and developing new initiatives for water research and Extension in this region. Full article
(This article belongs to the Special Issue More Holistic and Adaptive Decisions to Mitigate Climate Change Effects in Agricultural Water Resources Management)
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Figure 1

Figure 1
<p>Quantile map of irrigated acreage in the conterminous U.S. Southern Region states by county from the 2017 Census of Agriculture.</p> Full article ">Figure 2
<p>Irrigated acreage from respondents in the U.S. Southern Region states.</p> Full article ">
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