A 2022-es aszály agrometeorológiai elemzése

Molnár, Zsófia Erdődiné; Kovács, Attila Viktor

doi:10.56474/legkor.2023.1.3

Cited by 1 publication

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“…Soil with reduced water-holding capacity dries out to the point where the soil can no longer provide the near-ground moisture needed to support thunderstorms in the very early stages of drought. In the historical context, however, the drought of 2022 is not unprecedented but very rare [3,[65][66][67].…”

Section: Drought Of 2022 In Eastern Hungarymentioning

confidence: 99%

A Step from Vulnerability to Resilience: Restoring the Landscape Water-Storage Capacity of the Great Hungarian Plain—An Assessment and a Proposal

Timár,

Jakab,

Székely

2024

Land

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The extreme drought in Europe in 2022 also hit hard the Great Hungarian Plain. In this short overview article, we summarize the natural environmental conditions of the region and the impact of river control works on the water-retention capacity of the landscape. In this respect, we also review the impact of intensive agricultural cultivation on soil structure and on soil moisture in light of the meteorological elements of the 2022 drought. The most important change is that the soil stores much less moisture than in the natural state; therefore, under the meteorological conditions of summer 2022, the evapotranspiration capacity was reduced. As a result, the low humidity in the air layers above the ground is not sufficient to trigger summer showers and thunderstorms associated with weather fronts and local heat convection anymore. Our proposed solution is to restore about one-fifth of the area to the original land types and usage before large-field agriculture. Low-lying areas should be transformed into a mosaic-like landscape with good water supply and evapotranspiration capacity to humidify the lower air layers. Furthermore, the unfavorable soil structure that has resulted from intensive agriculture should also be converted into more permeable soil to enhance infiltration.

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Section: Drought Of 2022 In Eastern Hungarymentioning

confidence: 99%