Paleoenvironmental proxy records from Lake Hovsgol, Mongolia, and a synthesis of Holocene climate change in the Lake Baikal watershed
Datos Bibliográficos
| ID | 24088296 |
|---|---|
| Autores | Alexander A Prokopenko (0000-0001-8722-4418, University of South Carolina, autor de correspondencia), Galina K Khursevich (National Academy of Sciences of Belarus), E V Bezrukova (0000-0001-7370-105X, Vinogradov Institute of Geochemistry), M I Kuzmin (0000-0001-6265-9052, Vinogradov Institute of Geochemistry), Xavier Boës (0000-0002-1349-3735, Royal Observatory of Belgium), Douglas F Williams (0000-0002-0399-4261, University of South Carolina), Svetlana A Fedenya, Н В Кулагина (Institute of the Earth’s Crust), Nataliya V Kulagina, Polina P Letunova, Anna A Abzaeva |
| Año | 2007 |
| Volumen | 68 |
| Número | 1 |
| Páginas | 2-17 |
| Fecha de publicación | 2007-07-01 |
| Peer Reviewed | Sí |
| Open Access | Sí |
| Tipo | ARTICLE |
| Revista | Quaternary Research (JOURNAL) |
| Identificadores de la revista | ISSN: 0033-5894 • E-ISSN: 1096-0287 |
| Editorial | Cambridge University Press (CUP) (PUBLISHER) |
| DOI | 10.1016/j.yqres.2007.03.008 |
| OpenAlex | W2000994950 |
| Idioma | EN |
| Citas recibidas | 38 |
| Referencias citadas | 36 |
Here we discuss paleoenvironmental evolution in the Baikal region during the Holocene using new records of aquatic (diatom) and terrestrial vegetation changes from Hovsgol, Mongolia's largest and deepest lake. We reconcile previous contradictory Baikal timescales by constraining reservoir corrections of AMS dates on bulk sedimentary organic carbon. Synthesis of the Holocene records in the Baikal watershed reveals a northward progression in landscape/vegetation changes and an anti-phase behavior of diatom and biogenic silica proxies in neighboring rift lakes. In Lake Baikal, these proxies appear to be responsive to annual temperature increases after 6 ka, whereas in Lake Hovsgol they respond to higher precipitation/runoff from 11 to 7 ka. Unlike around Lake Baikal, warmer summers between 6 and 3.5 ka resulted in the decline, not expansion, of forest vegetation around Lake Hovsgol, apparently as a result of higher soil temperatures and lower moisture availability. The regional climatic proxy data are consistent with a series of 500-yr time slice Holocene GCM simulations for continental Eurasia. Our results allow reevaluation of the concepts of ‘the Holocene optimum’ and a ‘maximum of the Asian summer monsoon’, as applied to paleoclimate records from continental Asia.
Biogenic silica · Climate change · Diatom · Geography · Holocene · Holocene climatic optimum · Paleoclimatology · Physical geography · Geology · Geology and Paleoclimatology Research · Oceanography · Pleistocene-Era Hominins and Archaeology · Tree-ring climate responses
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Response of phytoplankton productivity to climate change recorded by sedimentary photosynthetic pigments in Lake Hovsgol (Mongolia) for the last 23,000 years
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| Obras citantes distintas | 38 |
|---|---|
| Citas por año | 2,11 |
| Intervalo de citas | 2008 - 2025 (18) |
| Velocidad de citación | recent |
| Altamente citado | No |
| Tipos de cita | Neutras: 35 |