Sustainable Water Resources Management under Climate Change: A Case Study with Potato Irrigation in an Insular Mediterranean Environment

IF 3.1 Q2 WATER RESOURCES

Hydrology Pub Date : 2023-11-21 DOI:10.3390/hydrology10120218

V. Litskas, P. Vourlioti, Theano Mamouka, Stylianos Kotsopoulos, Charalampos Paraskevas

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Abstract

Potato cultivation is a significant agricultural activity worldwide. As a staple food in many countries, potatoes provide essential nutrients and are a significant source of income for farmers. This paper investigates current and future net irrigation requirements for potatoes in combination with LCA (life cycle assessment) to assess the GHG emissions due to irrigation. Potato cultivation in Cyprus is used as a model for insular environments, which are often neglected from such studies. The models suggest that an increase in net irrigation requirements is expected but there is a large variability among locations and between years. The increase in rainfall that some of the models predict does not mean that this water will be effectively stored in the soil (and reduce irrigation requirements). The GHG emissions due to potato irrigation in Cyprus are estimated to be 1369.41 tons CO2eq and expected to decrease after 2030 by 35%, mainly due to changes in the electricity mix (from heavy fuel to renewable energy). Further research including other important (irrigated) crops in the island will support the development of strategies towards sustainable resources management under climate change.

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气候变化下的可持续水资源管理：地中海内陆环境马铃薯灌溉案例研究

马铃薯种植是全世界一项重要的农业活动。作为许多国家的主食，马铃薯提供了必需的营养物质，也是农民收入的重要来源。本文结合生命周期评估（LCA）研究了马铃薯当前和未来的净灌溉需求，以评估灌溉导致的温室气体排放。塞浦路斯的马铃薯种植被用作海岛环境的模型，而此类研究通常忽略海岛环境。模型表明，净灌溉需求预计会增加，但不同地区和不同年份之间的差异很大。一些模型预测的降雨量增加并不意味着这些水将有效地储存在土壤中（并减少灌溉需求）。据估计，塞浦路斯马铃薯灌溉产生的温室气体排放量为 1369.41 吨二氧化碳当量，预计 2030 年后将减少 35%，这主要归因于电力结构的变化（从重油到可再生能源）。包括该岛其他重要（灌溉）作物在内的进一步研究将为制定气候变化下的可持续资源管理战略提供支持。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Hydrology Earth and Planetary Sciences-Earth-Surface Processes

CiteScore

4.90

自引率

21.90%

发文量

192

审稿时长

6 weeks

期刊介绍： Journal of Hydrology publishes original research papers and comprehensive reviews in all the subfields of the hydrological sciences, including water based management and policy issues that impact on economics and society. These comprise, but are not limited to the physical, chemical, biogeochemical, stochastic and systems aspects of surface and groundwater hydrology, hydrometeorology, hydrogeology and hydrogeophysics. Relevant topics incorporating the insights and methodologies of disciplines such as climatology, water resource systems, ecohydrology, geomorphology, soil science, instrumentation and remote sensing, data and information sciences, civil and environmental engineering are within scope. Social science perspectives on hydrological problems such as resource and ecological economics, sociology, psychology and behavioural science, management and policy analysis are also invited. Multi-and interdisciplinary analyses of hydrological problems are within scope. The science published in the Journal of Hydrology is relevant to catchment scales rather than exclusively to a local scale or site. Studies focused on urban hydrological issues are included.