کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
9490598 | 1629579 | 2005 | 11 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Application of cosmogenic 10Be to dating soils on the raised coral reef terraces of Kikai Island, southwest Japan
دانلود مقاله + سفارش ترجمه
دانلود مقاله ISI انگلیسی
رایگان برای ایرانیان
کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
علوم زمین و سیارات
فرآیندهای سطح زمین
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
10Be concentrations of six soils on the raised coral reef terraces of Kikai Island, southwest Japan range from 0.80 to 7.17Ã109 atoms gâ1. The annual deposition rate of 10Be from the atmosphere to Kikai Island from 2000 to 2002 ranges from 2.0 to 3.5Ã106 atoms cmâ2 yearâ1, with a mean of 2.8±0.7Ã106 atoms cmâ2 yearâ1. Minimum absolute ages, calculated from the inventory of meteoric 10Be in the soils and the annual deposition rate of 10Be, are: Initial Rendzina-like soil, â¥8 ka; Rendzina-like soil, â¥18 ka; Brown Rendzina-like soil, â¥56 ka; Terra fusca-like soil, â¥127 ka; Terra rossa-like soil, â¥136 ka; and Intergrade between Terra rossa-like and Red-Yellow soil, â¥102 ka. Therefore, it was concluded that soil formation during the first â¼60,000 years would be as Rendzina-like soils and more than â¼100,000 years would be required for Red-Yellow soils to develop on raised coral reef terraces under subtropical humid climatic conditions.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Geoderma - Volume 126, Issues 3â4, June 2005, Pages 389-399
Journal: Geoderma - Volume 126, Issues 3â4, June 2005, Pages 389-399
نویسندگان
Y. Maejima, H. Matsuzaki, T. Higashi,