AT-0286

A global environmental crisis 42,000 years ago

DOI · Academic research

verifiedRetraction / correction review1 usage record

Source record

This is one canonical bibliographic record with topic-scoped research-use entries. It does not reproduce the paper, book, text, dataset, image, or manuscript and does not imply that full text was reviewed.

Canonical source ID: AT-0286
Accepted usage IDs: AT-0286
Types: DOI
Roles: Academic research
Verification: verified
Archive state: unavailable-through-registered-public-or-tdm-routes
Access: unavailable-through-registered-public-or-tdm-routes
Rights: not identified; not cleared
Public reproduction: Not cleared; citation and link only.
Correction / retraction: no retraction flag in checked Crossref/OpenAlex metadata

Recorded research uses

AT-0286

Laschamp Event

Why Connected Atlas uses this citation here

Direct origin of the modern ‘Adams Event’ global-environmental-crisis interpretation; evidence for that claim’s genealogy, not settled consensus.

What this usage does not establish

Bibliographic verification does not by itself establish that the full text was read.

Topics citing it and claims using it

Topic citing this source

Laschamp Event

Supporting citation for public claim

Volcanic, sedimentary, and isotope evidence supports a short-lived global geomagnetic disturbance accompanied by increased cosmogenic-isotope production.

The Laschamp Event should be treated as one of the strongest real events in the catastrophe-adjacent section of the map. It happened, it weakened Earth's magnetic field, and it increased cosmogenic isotope production.

Open claim topic

Supporting citation for public claim

The magnitude and causality of environmental and biological effects attributed to the Laschamp excursion remain disputed.

The Laschamp Event should be treated as one of the strongest real events in the catastrophe-adjacent section of the map. It happened, it weakened Earth's magnetic field, and it increased cosmogenic isotope production.

Open claim topic

Supporting citation for public claim

A 2021 Science paper argued that the Laschamp Event, combined with low solar activity, may have triggered major environmental stress.

The Laschamp Event should be treated as one of the strongest real events in the catastrophe-adjacent section of the map. It happened, it weakened Earth's magnetic field, and it increased cosmogenic isotope production.

Open claim topic

Supporting citation for public claim

The 2021 global-environmental-crisis interpretation is a published hypothesis rather than settled consensus.

The Laschamp Event should be treated as one of the strongest real events in the catastrophe-adjacent section of the map. It happened, it weakened Earth's magnetic field, and it increased cosmogenic isotope production.

Open claim topic

Supporting citation for public claim

The listed literature proposes geomagnetic weakening as a possible environmental stressor, but does not establish the Laschamp event as the cause of Neanderthal decline.

Answer / theory: It may have added environmental stress, but it is not proven as the cause. What supports it: Timing overlap with the Late Pleistocene transition and possible radiation / ozone effects. What is weak or disputed: Neanderthal decline involved climate, population structure, competition, admixture, and regional complexity. Evidence level: Mixed Evidence to Weak Evidence.

Open claim topic

Supporting citation for public claim

A causal link between the Laschamp event and increased cave use or cave art remains speculative in the listed evidence.

Answer / theory: This is speculative. What supports it: The event could have changed radiation and auroral exposure. What is weak or disputed: Cave art and cave use have multiple explanations and do not require a radiation crisis. Evidence level: Mostly Speculative.

Open claim topic

Supporting citation for public claim

Cooper et al. proposed a global environmental crisis near the Laschamp event, but the listed model and review literature do not establish that it transformed human and animal history.

Claim extracted from the installed dossier scorecard.

Open claim topic

Access and actions

A global environmental crisis 42,000 years ago