کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1046028 | 944852 | 2008 | 10 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Age constraints on the late Quaternary evolution of Qinghai Lake, Tibetan Plateau
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
علوم زمین و سیارات
زمین شناسی
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Age constraints on the late Quaternary evolution of Qinghai Lake, Tibetan Plateau Age constraints on the late Quaternary evolution of Qinghai Lake, Tibetan Plateau](/preview/png/1046028.png)
چکیده انگلیسی
Dating and geomorphology of shoreline features in the Qinghai Lake basin of northwestern China suggest that, contrary to previous interpretations, the lake likely did not reach levels 66–140 m above modern within the past ∼ 90,000 yr. Maximum highstands of ∼ 20–66 m above modern probably date to Marine Isotope Stage (MIS) 5. MIS 3 highstands are undated and uncertain but may have been at or below post-glacial highs. The lake probably reached ∼ 3202–3206 m (+ 8–12 m) during the early Holocene but stayed below ∼ 3202 m after ∼ 8.4 ka. This shoreline history implies significantly different hydrologic balances in the Qinghai Lake basin before ∼ 90 ka and after ∼ 45 ka, possibly the result of a more expansive Asian monsoon in MIS 5.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Quaternary Research - Volume 69, Issue 2, March 2008, Pages 316–325
Journal: Quaternary Research - Volume 69, Issue 2, March 2008, Pages 316–325
نویسندگان
David B. Madsen, Ma Haizhou, David Rhode, P. Jeffrey Brantingham, Steven L. Forman,