paleoenvironment meaning in English
古环境
Examples
- Paleoenvironment changes since mid - holocene revealed by a palynological sequence from sihenan profile in luoyang , henan province
河南洛阳寺河南剖面中全新世以来的孢粉分析及环境变化 - The alternative changes of paleoenvironment favored the formation and imbedding of brine , which is the source of salt - water intrusion ; and the paleochannel that formed during regressive of sea level is the path of salt - water intrusion
海进时期，大面积的滨海平原被淹没，在近海平原洼地滞留的海水经过蒸发、浓缩变为卤水，成为咸水入侵的物源；海退后陆源碎屑在滨海地区沉积形成了巨厚的古河道砂层。 - It is important to study salawusu stratum using paleomagnetism method , to give some magnetic proof in age range , stratum correlation , paleoenvironment and paleoclimate , to test former research result . this paper has done systemic paleomagnetism investigation , at dishaogouwan section its magnetic character is : susceptibility value is relatively high and its curve fluctuates little , magnetic mineral is mainly magnetites . the susceptibility ams ellipse is oblate
随着古地磁学及其分支学科的发展和成熟，以及在一些古人类遗址研究中的成功运用，对萨拉乌苏地层进行系统的地磁学研究，从磁学的角度提供一些年代归属、地层划分与对比、古环境、古气候方面的成果，对近年来的研究成果进行印证或检验，为研究的焦点问题提供古地磁学依据很有必要。 - The global change study is one of the most spectacular and interesting environment scientific questions in the 1990 s . the message of global change stores in tree rings , ice core , loess , underground water , lake sediment and deep sea sediment , all these proxies record the information of global change . with the advances in stable isotope techniques , the isotopic tracer records the message of climatic variation and becomes a powerful tool that can understand paleoenvironment reconstruction and modern environment changing
全球变化研究是90年代以来最为引人注目和关切的环境科学问题之一。全球环境变化的信息储存于树轮湖泊冰芯黄土地下水和海洋沉积物等载体中，随着稳定同位素技术的发展，同位素示踪剂指示环境变化的信息，成为了解古环境再造和现代环境信息变化的一个强有力的工具。