Category: Δ27 Variable 9-Arctic sea ice extent/thickness
Climate Signals (58) Δ27 Variable 2 – Global mean surface temperature anomaly (2) Δ27 Variable 3 – Atmospheric CO₂e concentration (CO₂ + CH₄ + N₂O) (6) Δ27 Variable 5 – Marine heatwaves (14) Δ27 Variable 6-Marine biomass & deoxygenation (3) Δ27 Variable 7 – Greenland Ice Sheet stability (3) Δ27 Variable 8_West Antarctic Ice Sheet stability (4) Δ27 Variable 9-Arctic sea ice extent/thickness (6) Δ27 Variable 10 – Permafrost thaw & carbon emissions (1) Δ27 Variable 12 – Boreal biome shift (net) (1) Δ27 Variable 13 – Freshwater stress & groundwater depletion (2) Δ27 Variable 14-AMOC strength (3) Δ27 Variable 15-Monsoon systems stability (3) Δ27 Variable 16-Wildfire burned area / fire weather index (2) Δ27 Variable 17 – Global staple crop yields & stocks-to-use (3) Δ27 Variable 20 – Energy system reliability & EROEI / grid stability (2) Δ27 Variable 22 Insurance retreat & financial climate risk (1) Δ27 Variable 23 – Extreme-heat exposure (wet-bulb population-days) (3) Δ27 Variable 24 – Public-health capacity incl. AMR & pandemic emergence (1) Δ27 Variable 25 – Mass displacement (forced migration volume) (1) Δ27 Variable 27 – Epistemic resilience (mis/disinformation & media capture) (4) ⚙️ Energy, Infrastructure & Material Flow (3) 🌊 Oceanic Equilibrium & Acidification (17) 🌍 Atmospheric Forcing & Planetary Energy Balance (8) 🌪 Atmospheric Circulation & Regional Climate Stability (8) 🌱 Carbon & Hydrological Feedback Loops (3) 🌾 Food, Water & Resource Security (4) 🧊 Cryosphere Integrity & Sea-Level Commitment (8) 🧠 Knowledge Integrity & Governance Resilience (4) 🧬 Human Stability & Adaptive Capacity (5)
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Could geoengineering ‘ice arches’ help preserve Arctic sea ice?
Researchers are investigating whether artificially thickening ice blockages between Canada and Greenland could prevent huge amounts of sea ice from flowing south to melt
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Arctic Report Card: A Close Watch on a Warming Region
Sea Ice Today services reduced Beginning October 15, 2025, NSIDC’s Sea Ice Today services will be reduced because of non-renewed funding. This means no new monthly…
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Arctic sea ice record low maximum strikes again
Sea Ice Today services reduced Beginning October 15, 2025, NSIDC’s Sea Ice Today services will be reduced because of non-renewed funding. This means no new monthly…
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Navigating a changing Arctic: NSIDC data support safer seas
Sea Ice Today services reduced Beginning October 15, 2025, NSIDC’s Sea Ice Today services will be reduced because of non-renewed funding. This means no new monthly…
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An Arctic ‘beyond recognition’ by 2100
Sea Ice Today services reduced Beginning October 15, 2025, NSIDC’s Sea Ice Today services will be reduced because of non-renewed funding. This means no new monthly…