Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1029/2020GL088162 |
Identifying Characteristic and Anomalous Mantle From the Complex Relationship Between Abyssal Hill Roughness and Spreading Rates | |
Goff, John A. | |
2020-05-16 | |
发表期刊 | GEOPHYSICAL RESEARCH LETTERS |
ISSN | 0094-8276 |
EISSN | 1944-8007 |
出版年 | 2020 |
卷号 | 47期号:11 |
文章类型 | Article |
语种 | 英语 |
国家 | USA |
英文摘要 | The dependence of abyssal hill roughness on mid-ocean ridge (MOR) spreading rate is an important indicator for faulting and volcanism. I reanalyze this relationship using a global gravity-based prediction of root-mean-square (RMS) heights, enabling dense sampling of RMS/spreading rate space and thus a far more detailed examination than possible with bathymetric data. RMS histograms are multimodal, indicating previously unrecognized complexity in roughness versus spreading rate that cannot be characterized by a single trend. Modal peaks are used to define four different types of abyssal hills, three of which can be associated with axial valley, transitional, and axial high MOR morphology. The most abundant type at any one spreading rate bin is used to define a "characteristic" trend that transitions abruptly from axial valley to axial high types across half rates of similar to 20 to 30 mm/yr. Abyssal hills outside this trend are associated geographically with anomalously "hot" and "cold" mantle regions. |
英文关键词 | mid-ocean ridges axial high axial valley faulting |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000543387400060 |
WOS关键词 | SOUTHEAST INDIAN RIDGE ; SEA-FLOOR MORPHOLOGY ; QUANTITATIVE-ANALYSIS ; STOCHASTIC-ANALYSIS ; CRUSTAL THICKNESS ; DEPENDENCE ; OCEAN ; DEFORMATION ; ACCRETION ; FLANKS |
WOS类目 | Geosciences, Multidisciplinary |
WOS研究方向 | Geology |
URL | 查看原文 |
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文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/267580 |
专题 | 气候变化 |
作者单位 | Univ Texas Austin, Jackson Sch Geosci, Inst Geophys, Austin, TX 78712 USA |
推荐引用方式 GB/T 7714 | Goff, John A.. Identifying Characteristic and Anomalous Mantle From the Complex Relationship Between Abyssal Hill Roughness and Spreading Rates[J]. GEOPHYSICAL RESEARCH LETTERS,2020,47(11). |
APA | Goff, John A..(2020).Identifying Characteristic and Anomalous Mantle From the Complex Relationship Between Abyssal Hill Roughness and Spreading Rates.GEOPHYSICAL RESEARCH LETTERS,47(11). |
MLA | Goff, John A.."Identifying Characteristic and Anomalous Mantle From the Complex Relationship Between Abyssal Hill Roughness and Spreading Rates".GEOPHYSICAL RESEARCH LETTERS 47.11(2020). |
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