The ratio of the thickness of the sedimentary cycles corresponds with the ratio of Milankovitch cycles.
利用频谱分析法 ,以鄂尔多斯盆地陇东地区延安组延二段为例 ,对发育泥炭沼泽河流体系的自然伽马测井曲线进行分析 ,得出地层中保存着厚度稳定的地层旋回 ,其厚度比值与米兰科维奇旋回比值之间有很好的一致性。
In this paper, the authors use frequency spectral analysis method to analyze the gamma-ray curves of liminetic facies of Yan an Formation in Longdong area, Ordos Basin and find out that the strata conserve well Milankovitch cycles and the main sedimentary cycles are 123, 46.
采用频谱分析对鄂尔多斯盆地陇东地区延安组湖沼相自然伽马测井曲线进行反演,可以得出地层中很好地保存了高频的米兰科维奇旋回,认为研究区延安组地层中的沉积旋回主要受古气候变化的控制,其中偏心率周期引起的地层旋回厚度变化范围为7。
The analysis result of the balanced section and Milankovitch cycle indicates that the Mesozoic sequences above third-order in the Suibin Depression are mainly.
平衡剖面和米兰科维奇旋回分析结果表明,绥滨坳陷中生界三级以上层序主要受构造控制,米兰科维奇旋回只对高频层序(体系域)有控制作用。
The sequence stratigraphy of Dongying Formation in Taoyuan-Dapingfang area in the east of Liaohe depression,has been studied through the combination of the logging and seismic data,and Milankovitch cycle,and can be pided into three tertiary sequences as follows Sq1,Sq2 and Sq3.
采用测井和地震资料及米兰科维奇旋回相结合的方法,对辽河盆地东部凹陷桃园—大平房地区东营组层序地层进行研究,把该区东营组划分为3个三级层序(Sq1、Sq2、Sq3)。
According to the study on the high-resolution base-level cycle and the spectrum analysis of logging curves,it is held that the sedimentary cycles in the Yanchang Formation in east Gansu,Ordos Basin is uniform with Milankovitch cycles.
通过高分辨率基准面旋回和测井曲线的频谱分析研究,认为在鄂尔多斯盆地陇东地区延长组湖相碎屑岩地层中,沉积旋回的周期变化可以反映米兰科维奇旋回。
Milankovitch theory holds that climatic changes of the Pleistocene have been forced by cyclic variations in summer insolation around 65°N of the northern hemisphere.
米兰科维奇理论认为,北半球高纬夏季太阳辐射变化是驱动第四纪冰期旋回的主因。
In this paper,we reviewed the development process of the Milankovitch theory and its progresses in some detail,and discussed several scientific is.
米兰科维奇理论是从全球尺度上研究日射量与地球气候之间关系的天文理论(以下简称为“米氏理论”)。
It is generally considered that the occurrence of glaciation-interglaciation gyrations can be explained with Milankovitch theory.
冰期-间冰期旋回发生的原因一般认为可以用米兰科维奇理论来解释,但是米兰科维奇理论也留下了一系列至今未解的难题。