South America · ERA5 + GLDAS · 0.25° grid

HydroGeo-Twin v0.1

Groundwater conditions across South America from the latest satellite composites. Each fact represents the domain-wide signal for the most recent complete month.

Groundwater states

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Use the timeline below to navigate. Latest available data: Dec 2025.

Dec 2025

Temperature anomaly · SA

Peak ERA5 t2m departure from the 2004–2020 baseline — hottest cell in the domain. Beyond +2 σ is exceptional.

Methods & data →

+2.96 °C

Severely dry area · SA

Share of SA grid cells with tp_pct_normal < 20 % in Dec 2025 — severely dry relative to the 2004–2020 baseline.

Methods & data →

5 %

GW storage anomaly
Dec 2025

Groundwater state

Recharge

Precipitation

Opacity 60%

Methodology & data notes

Data: ESA ERA5 (t2m, tp) and NASA GLDAS-CLSM (gws, tws) monthly composites · Anomalies computed against 2004–2020 climatology · 0.25° unweighted area mean over the South-America domain (56°S–13°N, 82°W–34°W).