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Southern Romania: "The Oltenian Sahara" and the aridization of the Danube Plain

The south of the country has become ground zero for climate change in the Balkan region, recording record thermal deviations from historical averages.

The desertification phenomenon: over 100,000 hectares in the south of Dolj County are already covered by shifting sands, a process advancing by approximately 1,000 hectares per year.

Tropical nights: In Bucharest and major southern cities, the number of “tropical nights” (where the temperature does not drop below 20°C), generating massive thermal stress on vulnerable populations.

Depletion of water resources: the level of the Danube and the groundwater tables in the Romanian Plain reached historical lows in the summers of 2025 and early 2026, directly affecting irrigation systems.

 

Comparison with the rest of the country: Muntenia vs. Transylvania and Maramureș

The differences in temperature and precipitation between the north and south of the Carpathian Mountains have become much more pronounced, creating “two Romanias” from a meteorological standpoint.

Thermal contrast: While in the south (e.g., Bechet or Zimnicea) temperatures of 42-44°C became frequent in July, in Transylvania and Maramureș averages remain 5-8°C lower, benefiting from the influences of oceanic air masses.

Precipitation regime: the south suffers from extreme pedological drought, while the center and west of the country face the opposite phenomenon: torrential rains and flash floods caused by heightened atmospheric instability.

Biodiversity: exotic plants (figs, dates, kiwi) have begun to be successfully cultivated in Oltenia, while in the north, coniferous forests suffer from pest attacks favored by excessively mild winters.

Adaptation or abandonment?

Southern Romania is in a race against time. If the challenge in the rest of the country is managing extreme weather phenomena (storms, floods), in the south, the problem is the very survival of agriculture and rural communities. Without massive reforestation (The Southern Green Barrier) and a radical reform of water management, the region risks becoming an area of economic exclusion.

This regional discrepancy forces authorities to devise differentiated strategies: flood protection in the north and west, and a desperate fight against desertification in the south. Romania must accept that its climatic map has shifted irreversibly, and the south is the front line of this new reality.

 

Article written by Denisa Dobrin, highschool student.

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