Little ice age as recorded in the stratigraphy of the tropical quelccaya ice cap

Journal Article · Fri Oct 17 04:00:00 EDT 1986 · Science (Washington, D.C.); (United States)

DOI:https://doi.org/10.1126/science.234.4774.361· OSTI ID:6896744

Thompson, L G; Mosley-Thompson, E; Dansgaard, W; Grootes, P M

The analyses of two ice cores from a southern tropical ice cap provide a record of climatic conditions over 1000 years for a region where other proxy records are nearly absent. Annual variations in visible dust layers, oxygen isotopes, microparticle concentrations, conductivity, and identification of the historical (A.D. 1600) Huaynaputina ash permit accurate dating and time-scale verification. The fact that the Little Ice Age (about A.D. 1500 to 1900) stands out as a significant climatic event in the oxygen isotope and electrical condutivity records confirms the worldwide character of this event.

• Research Organization: Ohio State Univ., Columbus
• OSTI ID: 6896744
• Journal Information: Science (Washington, D.C.); (United States), Journal Name: Science (Washington, D.C.); (United States) Vol. 234; ISSN SCIEA
• Country of Publication: United States
• Language: English

Related Subjects

58 GEOSCIENCES
580100* -- Geology & Hydrology-- (-1989)
AGE ESTIMATION
ANNUAL VARIATIONS
CLIMATES
DEVELOPING COUNTRIES
DRILL CORES
DUSTS
EVEN-EVEN NUCLEI
GEOLOGY
ICE
ICE CAPS
INDICATORS
ISOTOPE DATING
ISOTOPES
LATIN AMERICA
LIGHT NUCLEI
MAPPING
NUCLEI
OXYGEN 18
OXYGEN ISOTOPES
PERU
SOUTH AMERICA
STABLE ISOTOPES
STRATIGRAPHY
VARIATIONS