A paleosol classification with the inclusion of ancient arctic and subarctic region soils

来源 :Chinese Science Bulletin | 被引量 : 0次 | 上传用户:abchkiesh
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
Paleosol identification is simplified by considering soil as a natural body withinternal organization and a history of formation. This definition assumes that we accept paleosolsas soils. In a paleosol classification, inclusion of the cold region paleosols at the suborder levelplaces temperature (climate) in balance with the other soil forming factors. Because ancienttemperatures were not recorded, we use soil and parent material properties as proxies to identifyancient soils from Arctic and Subarctic regions. The properties include permafrost andcryoturbation features as well as those resulting from glacial processes. These features generallypersist through later cycles of soil formation as climate has changed. Examples both within andbeyond the glacial borders in Wyoming, Illinois, and Indiana, USA are presented and classifiedusing an arctic paleosol suborder modifier, the formative element. Paleosol identification is simplified by considering soil as a natural body withinternal organization and a history of formation. This definition is that we accept paleosolsas soils. In a paleosol classification, inclusion of the cold region paleosols at the suborder levelplaces temperature (climate) in balance with the other soil forming factors. Because ancienttemperatures were not recorded, we use soil and parent material properties as proxies to identifyancient soils from Arctic and Subarctic regions. The properties include permafrost andcryoturbation features as well as those resulting from glacial processes. These features generallypersist through later cycles of soil formation as climate has changed. Examples both within and beyond the glacial borders in Wyoming, Illinois, and Indiana, USA are presented and classifiedusing an arctic paleosol suborder modifier, the formative element.
其他文献
We made comparison of magnetic property between two loess/paleosol sediments from theBeiyuan section, Linxia and the Shajinping section, Lanzhou. The two secti
在2014年“挑战杯——彩虹人生”全国职业学校创新创效创业大赛决赛中,我院团委卫进东、陈思丹和刘义龙老师指导的《沧州红枣特色产业发展问题及对策研究》、计算机应用工程
THE fine disseminated gold deposits in Yunnan-Guizhou-Guangxi triangle area in S. China occur in thesedimentary rocks and are not relative to magmatism in spac
鄂尔多斯盆地蕴藏2万亿t煤炭由陕西煤田地质局牵头研究“鄂尔多斯盆地聚煤规律及煤炭资源评价”项目,1997年2月6日获1997年国家级科学技术进步二等共。鄂尔多斯盆地聚煤规律及
1IntroductionTheatentionofstudyingHPandUHPmetamorphismforthepastdecadehasbeenpaidtoUHPmetamorphicmineralsandtheirparagenesi... 1  Introduction of the study of the HP and methotrexateHPmetamor -phismforthepastdecadehasbeenpaidtoUHPmetamorphicmineralsan
期刊
Four distinct lithe-tectonic belts (zones) in the Yinshan area, North China, were identified by pressure-temperature contours and litho-tectonic features, such
矿物学 一种新的变色效应97一2新南威尔士东部某些显生宙金刚石起源的俯冲成因模式镁橄榄石电场梯度张量的重新计算···……矿物光学几何定量测定图像分析仪的应用97一397
恶性肿瘤已成为威胁人类健康的常见病、多发病。胃癌在我国已占各部位恶性肿瘤死因的第一位[1 ] 。人们希望寻找胃癌发生发展过中改变的癌基因标记 ,建立简便可行的诊断和预
THERE are four submarine hydrothermal activity areas in the Middle Okinawa Trough. They are Izena hole(127°05’E, 27°16’N), Iheya Deep (126°58’E, 27°33’
THE alkali-rich subvolcanic complex of Tongshi and the associated gold mineralization are located at thesouth boundary of Pinyi Mesozoic volcanic depression in